Lenovo ThinkPad 360 Hardware Maintenance Manual Download

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Model 370C

Feature

Description

Processor

IntelDX4 75MHz on the system board

Bus
Architecture

AT Bus

VESA Local Bus for video subsystem

Memory
(Standard)

4MB (on the system board)

Memory
(Option)

2, 4, 8, 16MB, Basic IC DRAM card
(max. 16 MB)

4, 8, 16MB, DIMM card (max. 32 MB)

DIMM card adapter

CMOS RAM

128 Bytes

VGA Video

10.4-inch (diagonally), 256/256K
colors TFT LCD color

Diskette Drive
(Removable)

0.720, 1.2, 1.44MB (3-mode),
3.5-inch

Hard Disk
Drive
(Removable)

340MB, 2.5-inch

540MB, 2.5-inch

810MB, 2.5-inch

Audio Card

Standard in Japan and European
countries.

PCMCIA

One Type-III or two Type II

Model 750x

Feature

Description

Processor

750x

–

486SL 33MHz, solder-mounted
on the system board

750Ce

–

SL Enhanced 486DX2 50MHz
on the processor card

Bus
Architecture

AT Bus

VESA Local Bus for video subsystem
(750Ce)

Memory
(Standard)

4MB (on the system board)

Memory
(Maximum)

2, 4, 8, 16MB, IC DRAM card (max.
20 MB

CMOS RAM

750x
–

256 Bytes

750Ce
–

128 Bytes

ThinkPad 355x, 360x, 370C, 750x, 755C, 755Cs

233

Summary of Contents for ThinkPad 360

Page 1: ...ad 360x 2620 ThinkPad 370x 9545 ThinkPad 700x 9552 ThinkPad 701x 2630 ThinkPad 720x 9552 ThinkPad 750x 9545 ThinkPad 755x 9545 S82G 1502 03 IBM Mobile Systems Hardware Maintenance Manual Volume 2 ThinkPad Computers April 1995 We Want Your Comments Please see page 491 ...

Page 2: ......

Page 3: ...S82G 1502 03 IBM Mobile Systems Hardware Maintenance Manual Volume 2 ThinkPad Computers April 1995 We Want Your Comments Please see page 491 IBM ...

Page 4: ...ormation herein these changes will be incorporated in new editions of the publication IBM may make improvements and or changes in the product s and or the program s described in this publication at any time This publication was developed for products and services offered in the United States of America IBM may not offer the products services or features discussed in this document in other countrie...

Page 5: ...pecific parts information The Common Devices Checkout section provides procedures for testing the devices that are commonly attached to ThinkPad computers The Miscellaneous Information section contains information about acronyms abbreviations terms and a telephone number listing Important This manual is intended for trained servicers who are familiar with ThinkPad products Use this manual along wi...

Page 6: ...MS 42G2022 S42G 2022 ThinkPad 700C 9552 HMR 42G2021 S42G 2021 ThinkPad 720 720C 9552 HMS 61G1193 S61G 1193 ThinkPad 720 720C 9552 HMR 61G1187 S61G 1187 ThinkPad 730T 2524 HMM 82G5497 S82G 5497 ThinkPad Exp Crtg 3550 HMS 42G2338 S42G 2338 ThinkPad Exp Crtg 3550 HMR 42G2339 S42G 2339 PS 2 FaxConcentrator HMS 15F2262 S15F 2262 PS 2 FaxConcentrator HMR 84F8541 S84F 8541 PS 2 Comm Cartridge I HMS 10G59...

Page 7: ...nostics Diskette A211000 GA21 1000 ThinkPad 500 2603 Adv Diagnostics Diskette 71G3702 S71G 3702 ThinkPad 510 2604 Adv Diagnostics Diskette 83G8095 S83G 8095 ThinkPad 700 9552 Reference Diskette 42G2017 S42G 2017 ThinkPad 700C 9552 Reference Diskette 42G2023 S42G 2023 ThinkPad 720 720C 9552 Reference Diskette 61G1194 S61G 1194 ThinkPad 750Ce 9545 Hardware Maintenance for all Models 355x 360x 750x a...

Page 8: ...vi IBM Mobile Systems HMM ...

Page 9: ...ated Service Procedures 94 Product Overview 102 FRU Removals and Replacements 104 Locations 110 Parts Listing 700 115 Parts Listing 720 720C 118 ThinkPad 701C 701CS 2630 125 Checkout Guide 127 Symptom to FRU Index 141 Related Service Procedures 154 Product Overview 159 FRU Removals and Replacements 161 Locations 181 Parts Listing 190 ThinkPad 355x 360x 370C 750x 755C 755Cs 195 Read This First 197 ...

Page 10: ...arts Listing 460 Common Devices Checkout 469 External Diskette Drive Test 470 External Display Self Test 470 External Keyboard Auxiliary Input Device Checkout 471 Fax Modem Checkout 472 Printer Checkout 474 Port Replicator Checkout 475 TrackPoint II Checkout 476 TV Tuner 477 Common Parts Listing 483 Miscellaneous Information 489 Acronyms Abbreviations and Terms 489 Send Us Your Comments 491 Do You...

Page 11: ...or Messages 6 How to Read POST Error Messages 6 Safety Notices Multi lingual Translations 7 Safety Information 14 General Safety 14 Electrical Safety 15 Safety Inspection Guide 16 Handling Electrostatic Discharge Sensitive Devices 18 Grounding Requirements 18 Laser Compliance Statement 19 Screw Size Chart 20 Copyright IBM Corp 1995 1 ...

Page 12: ...5 4M 20M 250M ThinkPad 355 2619 486SX 33 4M 16M 125M ThinkPad 355C 2619 486SX 33 4M 16M 125M 2619 486SX 33 4M 16M 250M ThinkPad 355Cs 2619 486SX 33 2M 16M 170M 2619 486SX 33 2M 16M 250M ThinkPad 360 2620 486SX 33 4M 16M 170M 2620 486SX 33 4M 16M 340M ThinkPad 360C 2620 486SX 33 4M 16M 170M 2620 486SX 33 4M 16M 340M ThinkPad 360Cs 2620 486SX 33 4M 16M 170M 2620 486SX 33 4M 16M 340M ThinkPad 360Ce 2...

Page 13: ...L 33 4M 20M 340M ThinkPad 750P 9545 40C 486SL 33 4M 20M 170M 9545 40E 486SL 33 4M 20M 340M ThinkPad 755C 9545 486DX4 50 25 4M 32M 170M 9545 486DX4 50 25 4M 32M 340M 9545 486DX4 50 25 4M 32M 540M 9545 486DX4 75 25 4M 32M 170M 9545 486DX4 75 25 4M 32M 340M 9545 486DX4 75 25 4M 32M 540M ThinkPad 755CD 9545 486DX4 100 338M 32M 540M 9545 486DX4 100 338M 32M 810M ThinkPad 755CDV 9545 486DX4 100 338M 32M...

Page 14: ...skette drives Diskette Capacity 1 44MB Drive 2 88MB Drive 1 0MB Read Write Read Write 2 0MB Read Write Read Write 4 0MB Not Compatible Read Write Diskette Drive Identifying Mark 5 25 Inch 360KB External Asterisk on bezel 5 25 Inch 1 2MB Internal 1 2 on the eject button The following table provides compatibility information for 5 25 inch diskettes and 5 25 inch diskette drives Note A 360KB diskette...

Page 15: ...nt and service expense If you are instructed to replace a FRU and that does not correct the problem reinstall the original FRU before you continue Some computers have both a processor board and a system board If you are instructed to replace either the processor board or the system board and the first board that you replaced does not correct the problem reinstall the original board then replace th...

Page 16: ...eing displayed If no error code is displayed see if the error symptom is listed in the Symptom to FRU Index for the computer you are servicing How to Read POST Error Messages POST error messages are displayed on the screen as three four five or eight digits The error messages that can be displayed as shorter POST messages are highlighted in this index Some digits will represent different informati...

Page 17: ...pourraient causer un court circuit Bevor nach einem FRU Austausch der Computer wieder angeschlossen wird muß sichergestellt werden daß keine Schrauben Federn oder andere Kleinteile fehlen oder im Gehäuse vergessen wurden Der Computer muß geschüttelt und auf Klappergeräusche geprüft werden Metallteile oder splitter können Kurzschlüsse erzeugen Prima di accendere l elaboratore dopo che é stata effet...

Page 18: ...aden kurzgeschlossen oder Feuer oder Wasser ausgesetzt werden Die Batterie kann schwere Verbrennungen oder Verätzungen verursachen Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Bereitschafts oder Systembatterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen ...

Page 19: ...oder Wasser ausgesetzt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung oder Explosion führen La batteria contiene piccole quantità di nichel Non smontarla gettarla nel fuoco o nell acqua né cortocircuitarla Smaltirla se...

Page 20: ...ber 100 C erhitzt oder verbrannt werden Auch darf ihr Inhalt nicht mit Wasser in Verbindung gebracht oder der zur richtigen Polung angebrachte Verbindungsstecker entfernt werden Bei der Entsorgung die örtlichen Bestimmungen für Sondermüll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatzteilliste aufgeführt ist Der Einsatz falscher Batterien kann zu Entzündung ...

Page 21: ...und kann zerbrechen wenn er unsachgemäß behandelt wird oder der Computer auf den Boden fällt Wenn der Bildschirm beschädigt ist und die darin befindliche Flüssigkeit in Kontakt mit Haut und Augen gerät sollten die betroffenen Stellen mindestens 15 Minuten mit Wasser abgespült und bei Beschwerden anschließend ein Arzt aufgesucht werden Nel caso che caso l LCD si dovesse rompere ed il liquido in ess...

Page 22: ...ombustible materials or personnel Bien que le voltage des batteries principales soit peu élevé le court circuit ou la mise à la masse d une batterie peut produire suffisamment de courant pour brûler des matériaux combustibles ou causer des brûlures corporelles graves Obwohl Hauptbatterien eine niedrige Spannung haben können sie doch bei Kurzschluß oder Erdung genug Strom abgeben um brennbare Mater...

Page 23: ...cordons d interface Die Stromzufuhr muß abgeschaltet alle Stromkabel aus der Steckdose gezogen der Akku entfernt und alle Verbindungskabel abgenommen sein bevor eine FRU entfernt wird Prima di rimuovere qualsiasi FRU spegnere il sistema scollegare dalle prese elettriche tutti i cavi di alimentazione rimuovere la batteria e poi scollegare i cavi di interconnessione Antes de quitar una FRU apague el...

Page 24: ...customer s personnel are not in a hazardous position Place removed covers and other parts in a safe place away from all personnel while you are servicing the machine Keep your tool case away from walk areas so that other people will not trip over it Do not wear loose clothing that can be trapped in the moving parts of a machine Ensure that your sleeves are fastened or rolled up above your elbows I...

Page 25: ... you cannot unplug it ask the customer to power off the wall box that supplies power to the machine and to lock the wall box in the off position If you need to work on a machine that has exposed electrical circuits observe the following precautions Ensure that another person familiar with the power off controls is near you Remember Another person must be there to switch off the power if necessary ...

Page 26: ...cident occurs Use caution do not become a victim yourself Switch off power Send another person to get medical aid Safety Inspection Guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products Each machine as it was designed and built had required safety items installed to protect users and service personnel from injury This guide addres...

Page 27: ... between the external ground pin and frame ground b The power cord should be the appropriate type as specified in the parts listings c Insulation must not be frayed or worn 4 Remove the cover 5 Check for any obvious non IBM alterations Use good judgment as to the safety of any non IBM alterations 6 Check inside the unit for any obvious unsafe conditions such as metal filings contamination water or...

Page 28: ...the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use the black side of a grounded work mat to provide a static free work surface The mat is especially useful when handling ESD sensitive devices Select a grounding system such as those listed below to provide protection that meets the specific service requirement Note The u...

Page 29: ...HS 21 CFR Subchapter J for Class 1 laser products In other countries the drive is certified to conform to the requirements of EN60825 CAUTION Do not open the drive no user adjustments or serviceable parts are inside Class 1 laser products are not considered to be hazardous The CD ROM drive has an internal Class I 1 0 5 milliwatt aluminum gallium arsenide laser that operates at a wavelength of 760 ...

Page 30: ...ow to match the size and shape of the screws used in the computer you are servicing A H C K E D L F N B J G M P Q Silver Black Silver Brass Black Black Black Brass Silver Brass Silver Silver Silver Black Brass 20 IBM Mobile Systems HMM ...

Page 31: ... chart below to match the size and shape of the screws used in the computer you are servicing R Y T V U W S X Brass Black Brass Black Black Black Brass Brass AA BB DD Z CC EE FF Silver Black Black Black Brass Brass Brass Introduction 21 ...

Page 32: ...w to match the size and shape of the screws used in the computer you are servicing GG QQ JJ SS KK TT MM WW HH RR LL UU NN XX PP Silver Silver Silver Silver Black Black Black Black Brass Brass Brass Brass Brass Brass Brass 22 IBM Mobile Systems HMM ...

Page 33: ...tent Problems 42 Undetermined Problems 42 Related Service Procedures 43 Status Indicators 44 How to Run the Diagnostics 45 Error Log 45 Reset Pushbutton 46 Checking the Installed Devices List 46 How to Run the Low Level Format 46 PC Test Card LED 46 Fn Key Combinations 47 How To Run the Keyboard Diagnostics 47 Product Overview 48 FRU Removals and Replacements 49 1010 Rear Connector Door 50 1020 Ba...

Page 34: ...Indicator Card 61 Parts Listing 62 Option Parts List 65 24 IBM Mobile Systems HMM ...

Page 35: ... failure The power indicator does not go on or stay on Power Systems Checkout on page 29 POST does not complete No beeps error code are indicated Symptom to FRU Index on page 34 and then use the No Beep Symptoms table POST beeps but no error codes are displayed Symptom to FRU Index on page 34 and then use the Beep Symptoms table POST detected an error and displayed numeric error codes Symptom to F...

Page 36: ... the memory size then test the memory If an error appears replace the IC DRAM card If memory problems occur intermittently use the loop option to repeat the test When the test detects an error an error log is printed on the printer connected to the parallel port See Error Log on page 45 for more information System Programs in Flash Memory System setup programs and diagnostic tests are stored in Fl...

Page 37: ...extending from the keyboard are correctly seated in the connectors on the system board If the keyboard cable connection is correct run the Keyboard Test by doing the following 1 Go to advanced diagnostic menu screen by pressing Ctrl A in the basic diagnostic menu 2 Press Ctrl K a layout of the keyboard appears on the screen 3 Check that when each key is pressed the key position on the keyboard lay...

Page 38: ...ecause the temperature has exceeded its normal operating range This symptom does not indicate a hardware problem No service actions are necessary if the pointer movement stops in a short period of time If a click button problem or pointing stick problem occurs do the following 1 Go to the Easy Setup screen 2 Select an item with the pointing stick 3 Press either the left or right click button 4 Ver...

Page 39: ...follows 1 Remove the battery pack 2 Connect the AC Adapter and check that power is supplied 3 Disconnect the AC Adapter and install the charged battery pack then check that power is supplied by battery pack If you suspect a power problem see the appropriate power supply check listed below Checking the AC Adapter Checking the Battery Pack on page 30 Checking the Backup Battery on page 31 Checking t...

Page 40: ...y discharged and initialized 3 Plug the AC Adapter cable into the ac power outlet 4 Measure the output voltage of the AC Adapter 5 If the voltage is still not correct replace the AC Adapter Note An audible noise from the AC Adapter does not always indicate a defective adapter Checking the Battery Pack 1 Power off the computer 2 Remove the battery pack and measure the voltage between battery termin...

Page 41: ...board 5 To check the charging circuit do the following Plug in the AC Adapter with the battery pack removed then power on the computer 6 Measure the charging voltage between terminals 1 and 4 on the computer 7 If the voltage is less then 10 0 Vdc replace the system board If the voltage is more than 10 0 Vdc the charging circuit is working correctly replace the battery pack Checking the Backup Batt...

Page 42: ...wer off the computer and unplug the AC Adapter from the computer 2 Remove the standby battery 3 Measure the voltage of the standby battery If the voltage between red and black is 3 5 V dc or greater the voltage is correct Go to Step 9 on page 33 to verify standby battery operation If the voltage is less than 3 5 V dc go to the next step 4 Plug the AC Adapter into the computer and power on the comp...

Page 43: ...tery pack during suspend mode Note Removing and installing the battery pack during suspend mode should be done within one minute The resume operation must start If the resume operation does not work switching of power from the battery pack to standby battery will not be correct Replace the system board Pin Voltage V dc 4 0 Ground Power Management Features Two power management modes are provided by...

Page 44: ... serial mouse or other pointing device are selected in the Config menu of Easy Setup Symptom to FRU Index The Symptom to FRU Index lists the symptoms errors and possible causes It can be used to help you decide which FRUs to have available when servicing the computer The most likely cause is listed first Perform the FRU replacement or actions in the sequence shown in the FRU Action column If a FRU...

Page 45: ... OK in the error screen then set time and date 2 Backup Battery 3 System Board 174 Perform Checking the Installed Devices List on page 46 before changing any FRUs 1 Check Device Configuration 2 System Board 3 Diskette Drive Assembly 4 Hard Disk Drive Assembly 184 POP check sum error 1 Reset the POP in Easy Setup 190 A depleted battery pack was installed when the power was on 1 Go to Checking the B...

Page 46: ... Go to Diskette Drive Test on page 28 2 Diskette Drive Assembly 3 System Board 11XX 1 Serial Device First 2 Communication Cable 3 System Board 12XX 1 Serial Device Second 2 Communication Cable 3 System Board 17XX 1 Hard Disk Drive 2 System Board 24XX 1 System Board 808X 1 PCMCIA Slot Assembly 2 PCMCIA Device 3 System Board 860X Pointing device error when TrackPoint II or III is disabled 1 External...

Page 47: ...er FRU code is filled with zeros See the referenced page before replacing the FRU Note The device ID and error codes are used to indicate the detail portion of the FRU which caused the error If replacing a FRU does not correct a problem see the Device ID or error code from the previous failure If they have changed the cause might be because the new FRU is defective or that the FRU was incorrectly ...

Page 48: ...stall a fully charged battery One long and one short beep 1 System Board One beep every second System is shutting down due to low battery voltage 1 Connect the AC Adapter or install a fully charged battery allows the system to completely shutdown before the battery is charged Two short beeps with error codes 1 POST error See Numeric Error Codes on page 35 Two short beeps with blank screen 1 System...

Page 49: ...e immediate surrounding area or appear as a stain Symptom Error FRU Action Flicker 1 Do not replace any FRUs In certain brightness contrast settings screen flicker can be seen because of technical limitations No beep power on indicator on and a blank LCD during POST 1 System Board LCD backlight not working LCD too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted 1 Reseat the ...

Page 50: ...e TrackPoint II and III Checkout on page 28 Indicator Related Symptoms Symptom Error FRU Action Indicator incorrectly remains off or on but system runs correctly 1 Reseat the indicator card 2 Indicator Card 3 System Board Battery power status indicator blinks from green yellow to orange 1 Check that a correct battery is installed 2 Battery Pack 3 System Board Power Related Symptoms Symptom Error F...

Page 51: ...asy Setup screen and press Fn 4 If the computer enters suspend mode suspect that the application program is defective 3 System Board Battery Fuel Gauge does not go higher than 90 1 Go to Checking the Battery Pack on page 30 and see the note Modem problems If installed 1 Run the Internal Modem Test 2 Check that the port is set to enable in Easy Setup 3 Check that the port power is switched on by PS...

Page 52: ...re errors FRUs replacement should only be considered when a recurring problems exists When analyzing the intermittent problem do the following 1 Run the advanced diagnostic test for the system board in loop mode at least 10 times 2 If no error is detected do not replace any FRUs 3 If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist Unde...

Page 53: ... 5 Determine if the problem has changed 6 If the problem does not occur again reconnect the removed devices one at a time until you find the failing FRU 7 If the problem remains replace the following FRUs one at a time Do not replace a non defective FRU Modem card if installed LCD assembly System board Related Service Procedures This section provides information about the following Status Indicato...

Page 54: ...he indicator turns and stays green Orange Battery is low Blinking orange Battery is almost depleted Blinking yellow 340 Battery cannot be charged because of it s high temperature Note When the temperature drops to the acceptable range charging will start Off 340CSE The battery in not installed Orange Diskette drive is in use Orange Hard disk drive in use Green Keyboard is in Num Lock mode Green Ke...

Page 55: ...9 Select OK and press Enter if the selection is OK 10 Select a device and press Enter to start the tests 11 Select Test All to test all devices 12 Select Loop Test to loop tests A loop option menu appears in which a device loop or all loop can be selected Select a device and press the space key to select a device Repeat this step to select multiple devices Press Enter to start the diagnostic loop ...

Page 56: ...e because the icons represent subsystems of the system board and not attachment of the devices How to Run the Low Level Format Do the following to format the hard disk Before Formatting the Hard Disk Make sure that the address of the drive to be formatted is correct This procedure will erase all information on the disk 1 Power off the computer 2 Insert the ThinkPad 750Ce hardware maintenance diske...

Page 57: ...6 Audio volume UP F7 LCD CRT display switching F8 LCD normal reverse switching F9 Reserved F10 Reserved F11 Power management mode switching Toggles High power Medium Low F12 Reserved How To Run the Keyboard Diagnostics Do the following to run the keyboard test 1 Go to the advanced diagnostic screen menu by pressing Ctrl A in the Easy Setup menu 2 Go to the keyboard diagnostic test menu by pressing...

Page 58: ...ystem board Memory Option 2MB 4MB 8MB IC DRAM card 12MB is maximum CMOS RAM 128 Bytes VGA Video 340 9 4 inch 64 gray level DSTN LCD monochrome 340CSE 9 4 inch 256 color DSTN LCD color 10 4 inch 256 color DSTN LCD color Diskette Drive 0 720MB 1 44MB 2 mode 3 5 inch for U S and European countries 0 720MB 1 2MB 1 44MB 3 mode 3 5 inch for Japan Hard Disk Drive 340 125MB 2 5 inch 340CSE 200MB 2 5 inch ...

Page 59: ...a FRU reverse the removal procedure and follow any notes that pertain to replacement See Locations for internal cable connections and arrangement information When replacing a FRU use the correct screw size as shown in the table of each section Safety Notice 8 Translation on page 13 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack...

Page 60: ...1010 Rear Connector Door Remove the rear connector door by flexing it 1 1 1020 Battery Pack 1 1 2 2 50 IBM Mobile Systems HMM ...

Page 61: ...dby Battery Step 3 IC DRAM Card Step 4 Backup Battery Note The IC DRAM card is sensitive to physical shock Incorrect handling of the card can damage it Note When removing the backup battery or standby battery use the connector extractor P N 39G9977 1 1 2 2 3 3 4 4 ThinkPad 340x IBM 2610 51 ...

Page 62: ...1060 Top Cover Battery Pack 1020 1 1 2 2 3 3 4 4 Step Location Quantity Length 1 Base cover 3 12 mm Note Make sure you use the correct screw 52 IBM Mobile Systems HMM ...

Page 63: ...1070 Indicator Card Battery Pack 1020 Top Cover 1060 1 1 When Replacing Be careful to not break the pins of the indicator card connector ThinkPad 340x IBM 2610 53 ...

Page 64: ...tches 2 The keyboard has three cables be careful not to damage the cables when you open the keyboard and to remove them 1 1 2 2 1 2 2 2 1 1 When Replacing Check that the three keyboard cables are clean and inserted straight and fully into the connectors Slide both ends of each connector latch at the same time to make sure that each cable is correctly inserted Go to Keyboard Auxiliary Input Device ...

Page 65: ...oms from the fluid are present after washing Caring for the LCD When cleaning of the LCD becomes necessary gently wipe the LCD with a dry soft cloth Do not use alcohol or detergent to clean the LCD To avoid damage to the LCD do not scratch or apply any force to its surface Do not put anything on the surface of the LCD Do not pull the LCD cable The cable can be damaged if it is disconnected without...

Page 66: ...3 3 3 4 4 Use the following table for reference when replacing parts Step Location Quantity Length 1 LCD cable 1 6 mm 3 LCD hinge 4 8 mm Note Make sure you use the correct screw 56 IBM Mobile Systems HMM ...

Page 67: ...the system is operating or is in suspend mode Do not pull the hard disk cable The cable can be damaged if it is disconnected without releasing the latch Do not drop or apply any shock or extra force to the hard disk drive or diskette drive They are sensitive to physical shock 1 1 2 2 3 3 4 4 5 5 6 6 1 2 Use the following table for reference when replacing parts Step Location Quantity Length 1 Disk...

Page 68: ...Top Cover 1060 Indicator Card 1070 Keyboard Unit 1080 Diskette Drive 1100 Hard Disk Drive 1110 Step 1 2 3 4 System Board Step 4 5 Speaker 1 1 2 2 3 3 4 4 5 5 Step Location Quantity Length 1 I O connector 6 Hex head screws 2 Base cover 1 8 mm 3 Base cover 2 12 mm Note Make sure you use the correct screws 58 IBM Mobile Systems HMM ...

Page 69: ...D 2 Contrast Control 3 Brightness Control 4 Status Indicator 5 Keyboard 6 LCD and Keyboard Latch 7 Click Button 8 Diskette Eject Button 9 Diskette Drive 1ð Fn Key 11 TrackPoint II III 1 2 3 4 5 10 11 9 7 8 6 ThinkPad 340x IBM 2610 59 ...

Page 70: ...rial Connector 3 PCMCIA Slot 4 Serial Connector 5 Reset Pushbutton 6 Power Jack 7 External Input Device connector 1 5 6 7 2 3 4 System Interior View 1 Backup Battery 2 IC DRAM Card Slot 3 Standby Battery 4 Battery Pack 1 4 3 2 60 IBM Mobile Systems HMM ...

Page 71: ...l Input Device Connector 12 Keyboard Signal Connector 13 Hard Disk Drive Connector 14 Speaker Connector 340CSE only 15 Keyboard TrackPoint II III Connector 16 Battery Pack Terminal 17 POP Terminal 18 Standby Battery Connector 19 IC DRAM Card Connector 2ð Diskette Drive Interface 21 Backup Battery Connector 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 1 Indicator Card 1 Resume Suspend Switch...

Page 72: ...Parts Listing 1 2 3 4 5 6 7 8 10 9 12 11 13 14 17 16 15 62 IBM Mobile Systems HMM ...

Page 73: ...85G7608 8 Rear Connector Cover 84G6676 9 Base Cover Assembly 340 84G6656 For U S 84G6890 For Japan 84G6659 Base Cover Assembly 340CSE 85G7612 For U S Japan 85G7611 Note Base cover assembly includes coil spring insulator foot power switch knob holder latch buttons 10 Shield Case 84G6660 11 Battery Pack Nickel Cadmium 84G6672 For U S 84G6671 For Japan 84G6674 11 Battery Pack Nickel Metal Hydride 85G...

Page 74: ...or Japan 85G6669 DC Plug 85G6664 IC DRAM Card See options Arabic 84G6881 Belgium 84G6879 Canadian French 84G6887 Danish 84G6878 Dutch 84G6876 Finnish Swedish 84G6875 French 84G6872 German Black 84G6870 Greek 84G6885 Hebrew 84G6882 Italian 84G6874 Japanese 84G6888 Latin Spanish 84G6886 Norwegian 84G6880 Portuguese 84G6883 Spanish 84G6877 Swiss French 84G6873 Swiss German 84G6871 Turkish 84G6884 U K...

Page 75: ...ty 16MB 84G5726 Keyboard Mouse Cable 54G0444 Microphone 66G7871 PS 2 Miniature Mouse 95F5723 Belgian 95F5741 Canadian French 95F5466 Danish 95F5467 Dutch 95F5467 French 95F6313 German 95F6314 Greek 95F5467 Hebrew 95F5741 Icelandic 95F5467 Italian 95F6316 Japanese 79F6401 Norwegian 95F5467 Spanish 95F6315 Swedish Finnish 95F5468 Swiss French 95F5711 Swiss German 95F5715 Turkish 95F5467 U K English ...

Page 76: ...g Singapore U K 14F0033 25H2215 3 France Germany Spain 13F9979 25H2209 4 Italy 14F0069 25H2223 5 Australia New Zealand 13F9940 25H2205 6 Denmark 13F9997 25H2211 7 Israel 14F0087 25H2225 8 Bangladesh Pakistan 14F0015 25H2213 Sri Lanka South Africa 9 Switzerland 14F0051 25H2221 10 Thailand 1838574 25H2219 Note The 30 40W cord is 6 feet long the 35W cord is 6 inches 66 IBM Mobile Systems HMM ...

Page 77: ...rivileged Access Password PAP 97 Set Startup Sequence 98 Restore System Partition 98 Hard Disk Low Level Format 99 Replacing the Hard Disk Drive 99 System Diskettes Reference and Diagnostic 100 Making a System Partition Backup Copy 101 Japanese Model Diskette Drive and Diskette 102 173 and 11350 Error Combination 102 PCMCIA Card Removal Tip 102 Product Overview 102 FRU Removals and Replacements 10...

Page 78: ...ation A 2 0MB capacity diskette is required when testing the 1 2MB format 1 Power off the computer and all external devices 2 Check all cables and power cords for correct connection 3 Make sure that no diskettes are in the drives 4 Power on all external devices 5 Power on the computer If any error message appears on the screen go to Symptom to FRU Index on page 82 If no message appears on the scre...

Page 79: ... Installed Devices List on page 97 Power Problem Power Systems Checkout on page 71 Memory Problem Memory Checkout on page 70 TrackPoint II or Pointing Stick Problem TrackPoint II Checkout on page 476 ThinkPad 700C 720C Color LCD Problem LCD FRU Replacement Notice on page 124 ThinkPad 700 720 Mono Panel Problem 700 720 Mono LCD FRU Replacement on page 124 High Speed Modem Noise Problem High Speed M...

Page 80: ...stem program Press Ctrl A at the Main Menu DID THE ADVANCED DIAGNOSTIC MENU APPEAR Yes No 002 Replace the base memory card If the problem is not corrected go to Undetermined Problem on page 93 003 Run the memory tests Use the RUN TESTS ONE TIME option DID THE MEMORY TESTS END WITHOUT AN ERROR Yes No 004 Replace the base memory card 005 Install the IC DRAM card into slot 1 and run Automatic configu...

Page 81: ...ling FRU if the power supply problem is caused by a short circuit 2 Determine if one or all of the batteries have become discharged Replace any discharged battery with its spare if available The test procedures for each power supply are found on the following pages Checking the AC Adapter on page 72 Checking the Car Battery Adapter 700 only on page 73 Checking the Battery Pack on page 74 Checking ...

Page 82: ...ug the AC adapter cable from the computer and measure the output voltage at the plug of the AC adapter cable See the following figure 1 2 If the voltage is not correct go to the next step 4 Unplug the AC adapter cable from the ac power outlet and wait for a few minutes 5 Plug the AC adapter cable into the ac power outlet 6 Measure the output voltage of the AC adapter If the voltage is still not co...

Page 83: ...the car battery adapter is on all the time the car battery is working correctly Replace the voltage converter If the problem is not resolved when the voltage converter is replaced go to Checking the Voltage Converter 700 700C on page 77 or Checking the Voltage Converter 720 720C on page 78 If the voltage is outside the normal voltage range do one of the following Try the above test procedures usin...

Page 84: ...asure the resistance between battery terminals 2 T and 3 The resistance must be 4 to 30 kilohms If the resistance is not correct replace the battery pack If the resistance is correct go to the next step 4 Install the battery pack and plug the AC adapter cable into the computer to charge the battery pack If the battery power status indicator is blinking orange and battery charging indicator is on r...

Page 85: ...ective Checking the Standby Battery Note Make sure that the battery pack is removed from the computer before the standby battery is removed 1 Power off the computer and unplug the AC adapter cable from the computer 2 Remove the battery pack 3 Remove the indicator cover 4 Disconnect the standby battery connector from the voltage converter 5 Plug the AC adapter cable into the computer and power on t...

Page 86: ...ge of the standby battery If the voltage is less than 3 5 V dc replace the standby battery Checking the Quick Charger If a humming or buzzing sound is heard from the quick charger when it is operating replace the quick charger If the charger is operating at a normal quiet sound level do the following 1 Perform steps 1 through 3 of the Checking the Battery Pack to ensure the battery pack is operati...

Page 87: ...hem from the computer 3 Unplug the AC adapter cable and remove the battery pack from the computer 4 Carefully place the computer bottom side up and remove the bottom cover 5 Plug the AC adapter cable into the computer 6 Power on the computer Important Be careful not to actuate the suspend switch located between the Esc key and the LCD during the operation When you turn the computer upside down wit...

Page 88: ...er System board If there is no short circuit go to the next step 10 Check the output voltage of the AC adapter cable see Checking the AC Adapter on page 72 If the output voltage is correct go to the next step 11 Replace the following FRUs one at a time Voltage converter System board Checking the Voltage Converter 720 720C Use the following procedure to isolate a problem with the ThinkPad 720 720C ...

Page 89: ...y voltage is not correct go to step 9 If all voltages are correct the voltage converter is operating correctly If the power problem did no reoccur reconnect the devices removed in step 2 to isolate a device problem If all the voltages are correct and the power problem still exists replace the following FRUs one by one System board Processor card 9 Power off the computer and unplug the AC adapter c...

Page 90: ...1 If there is no short circuit replace the following FRUs one at a time Voltage converter System board FRU VA VG VB VA3 VB3 Voltage converter x x x x Processor card x x System board x x x x x Video card x x x x Base memory card x Keyboard control card x x Math coprocessor x x Diskette drive x Hard disk drive x LCD x Indicator assembly x x 80 IBM Mobile Systems HMM ...

Page 91: ...o off in the Set Advanced Features program The computer enters suspend mode when The LCD is closed the switch is located on the voltage converter card The specified time has elapsed from the last operation with the keyboard mouse hard disk drive parallel connector diskette drive and AC adapter is plugged in The time is specified by System suspend in the Set Advanced Features program When a battery...

Page 92: ...upply voltages before you replace the system board See Power Systems Checkout on page 71 5 If an error message is not listed there is a device installed that requires an additional diskette or service manual Refer to the diskette or service manual for that device How to Read POST Error Messages POST error messages are displayed on the screen as 3 4 5 or 8 digits The error messages that can be disp...

Page 93: ...emory Card 5 IC DRAM Card 000171XX 000172XX 1 System Board 00017300 700 700C Only Before replacing a FRU restore the system partition with the Reference Diskette Version 1 1 or later See Installing a New Version of the System Diskettes on page 100 1 See 173 and 11350 Error Combination on page 102 before replacing FRUs 2 See Checking the Backup Battery on page 75 3 Voltage Converter 00017400 If Aut...

Page 94: ...nverter 2 Keyboard Control Card 3 System Board 00019201 1 Voltage Converter 00019202 1 Run System Unit Diagnostic If this error message appears frequently replace the Processor Card 00019300 00019301 00019305 1 System Board 00019302 1 Hard Disk Drive 2 System Board 00019303 1 System Board 2 Diskette Drive 00019304 1 PC Card 2 System Board 00019306 1 Keyboard Control Card 2 Keyboard 3 Pointing Devi...

Page 95: ...30600 See 1080 Keyboard Unit on page 54 before replacing any FRUs 1 Keyboard 2 Numeric Keypad or Keyboard Mouse Cable or External Keyboard if attached 3 Keyboard Control Card 4 System Board 00030700 1 External Keyboard 2 Keyboard Mouse Cable 0004XXXX 1 System Board 2 Any Parallel Device 3 Communication Cable 000601XX 1 Diskette Drive 2 System Board 3 Diskette Drive Cable 000602XX 1 Defective Diske...

Page 96: ...XX 005032XX 005051XX 005062XX 1 Video Card 2 System Board 3 LCD 005009XX 005040XX 1 See External Display Self Test on page 470 before replacing any FRUs 2 External Display 3 Video Card 4 System Board 0080XXXX 1 System Board 2 PCMCIA Card Slot 0085XXXX 1 Do not replace any FRUs The installed Memory Expansion Adapter is not supported by IBM 00860100 00860200 See 1080 Keyboard Unit on page 54 before ...

Page 97: ...Stick 2 Keyboard TrackPoint 3 Keyboard Control Card 0086XX00 See 1080 Keyboard Unit on page 54 before replacing any FRUs 1 Keyboard Control Card 2 Keyboard 3 System Board 010103XX 010110XX 010116XX 010153XX 010171XX 1 See Fax Modem Checkout on page 472 010436XX 1 System Board 2 Hard Disk Drive 0104XXXX 1 Hard Disk Drive 2 System Board 0129XXXX 1 Run System Board diagnostics to clear the error log ...

Page 98: ... Board Repeating short beeps 1 See 1080 Keyboard Unit on page 54 before replacing any FRUs 2 Keyboard 3 Keyboard Control Card 4 System Board One long and one short beep 1 System Board One long and two short beeps 1 Video Card 2 System Board One short beep and a blank unreadable illegible or flashing display with no external display attached 1 LCD 2 Video Card 3 System Board 4 Voltage Converter One...

Page 99: ...y FRUs 2 Processor Card 3 System Board 4 Video Card 5 Hard Disk Drive 6 Base Memory Card 7 Any option or device 8 Power source in use when failure occurs 9 Voltage Converter 10 Speaker No beep with a blinking cursor 1 System Board 2 Processor Card 3 Any Option or Device No beep with a normal display during POST 1 Speaker 2 System Board 3 Keyboard Control Card 4 Voltage Converter No beep and the sy...

Page 100: ...lower half of the LCD with no beep or one short beep 1 LCD 2 Video Card 3 System Board System status indicator is incorrectly blinking or stays on 1 System Board 2 Related Device 3 Indicator Assembly System status indicator stays off but the POST ends without an error 1 System Board 2 Related Device 3 Indicator Assembly No keys on the keyboard work See 1080 Keyboard Unit on page 54 1 Keyboard Cont...

Page 101: ...System Board Incorrect memory size during POST 1 See Memory Checkout on page 70 before replacing any FRUs 2 Base Memory Card 3 IC DRAM Card System hang or Intermittent hang 1 See Undetermined Problem on page 93 before replacing any FRUs 2 System Board 3 Hard Disk Drive 4 Replace the last device being tested 5 Voltage Converter The system goes into suspend mode after the POST 1 System Board 2 Volta...

Page 102: ...l Adapter if attached 4 System Board Parallel or parallel port device problems 1 Device printer 2 Cable 3 Parallel Adapter if attached 4 System Board Internal Data Fax modem does not communicate with a remote modem or a facsimile machine 1 See Fax Modem Checkout on page 472 PS2 command cannot power off internal modem unless computer is powered off 1 Create new PS2 setup program using UINSTALL comm...

Page 103: ...of the following devices or adapter Do not isolate FRUs that are known to be good a Non IBM devices b Modem PC card printer mouse or other external devices c Battery pack d Hard disk drive removable disk drive e IC DRAM card f Any adapter or device Note Replacing the hard disk drive an IC DRAM card or any adapter or device might cause configuration errors 3 Power on the computer 4 If the problem i...

Page 104: ...sword PAP on page 97 Set Startup Sequence on page 98 Restore System Partition on page 98 Hard Disk Low Level Format on page 99 Replacing the Hard Disk Drive on page 99 System Diskettes Reference and Diagnostic on page 100 Making a System Partition Backup Copy on page 101 Japanese Model Diskette Drive and Diskette on page 102 173 and 11350 Error Combination on page 102 PCMCIA Card Removal Tip on pa...

Page 105: ...y discharged Battery pack is removed from computer Computer is off Computer is using external power car battery or AC power On Battery is charging Off Battery is full On PC Card is in use On Diskette drive is active On Hard disk drive is active On Keyboard is in Num Lock mode On Keyboard is in Caps Lock mode On Keyboard is in Scroll Lock mode On Computer is in Suspend Mode Blinking Computer is res...

Page 106: ...p screens guide you through the actions to take Error Storage The error log stores up to three unique errors for example three parity errors at three different addresses The multiple log counter on the screen displays the number of times each unique error occurred You can page forward by pressing F8 or backward by pressing F7 to view the stored error logs The date and time of the most recent occur...

Page 107: ...missing from the list is not recognized as a device or adapter The device missing from the list requires an additional diskette See the device service manual A power supply voltage is not correct see Power Systems Checkout on page 71 If the adapter is on the list run the adapter diagnostic tests If the list contains an adapter or device that is not installed go to Undetermined Problem on page 93 P...

Page 108: ...r off the computer 10 Power on the computer Note After the programs have been restored the Diskette and F1 prompts appear unless an operating system is present Restore System Partition If the above sequence does not correct the problem do the following 1 Power off the computer 2 Insert the backup copy of the Reference Diskette into the diskette drive 3 Power on the computer Note If the I99900X5 er...

Page 109: ...l of the system programs onto the replacement hard disk drive To recopy the programs 1 Start the system using the customer s backup copy of the system partition 2 Select Backup Restore system programs from the Main Menu 3 Run Restore the system partition to load the IML image the system programs and the diagnostic programs onto the hard disk drive just installed Notes a If there is not a backup co...

Page 110: ...ions on making a backup copy see Making a System Partition Backup Copy on page 101 2 From the original option diskettes Do the following for both methods 1 Insert the new version of the Reference Diskette into the diskette drive 2 Power off the computer then power it on After the cursor moves to the upper right corner of the screen press Ctrl Alt Insert Warning This process writes over all existin...

Page 111: ...ation files will be restored onto the system partition as files CMOS and NVRAM Warning Do not run Run automatic configuration now or you will write over the customized configuration 11 You are finished with the updating process Make a new backup copy of the system partition For information on making a backup copy see Making a System Partition Backup Copy Making a System Partition Backup Copy Note ...

Page 112: ...0017300 and 11350 appears and cannot be bypassed do the following before replacing any FRUs 1 Power off the computer 2 Remove the hard disk drive from the computer 3 Insert the Reference Diskette and power on the computer 4 Ignore any error messages press Esc F8 and Enter then run Automatic Configuration 5 Ignore the message An error occurred while updating config and power off the computer 6 Inst...

Page 113: ...icro Channel Memory Standard 4MB Memory Maximum 16MB IC DRAM CMOS RAM 8KB Video VGA Diskette Drive 3 5 inch Hard Drive 80MB 2 5 inch 120MB 2 5 inch 160MB 2 5 inch Audio Subsystem Yes Standard PCMCIA 720 720C only One Type III or Two Type II ThinkPad 700 700C 720 720C 9552 103 ...

Page 114: ... 3 Video Connector 4 Video Power 5 Hinge Covers Install with bevelled edge at front 6 Two Screws C One at each end 7 Four Screws S Two at each end 8 LED Indicator Assembly With connector and contact shield Lift LCD Assembly from computer Place computer bottom side up 9 Three Screws S On bottom cover two at front right one at rear of math coprocessor access door 1ð Two Memory Bracket Screws S 11 Fi...

Page 115: ...9 Five Frame Stiffener Screws S 2ð Frame Stiffener 21 Four Keyboard Screws S 22 Keyboard 23 One Screw S and Keyboard Control Card 24 Two Screws R and Voltage Converter with Suspend Resume Pin Set the lever on the voltage converter to the middle position before installation Be sure the suspend pin is installed correctly before installing the voltage converter ThinkPad 700 700C 720 720C 9552 105 ...

Page 116: ...ThinkPad 700 Exploded View 106 IBM Mobile Systems HMM ...

Page 117: ...ThinkPad 700 Exploded View continued ThinkPad 700 700C 720 720C 9552 107 ...

Page 118: ...ThinkPad 720 720C Exploded View 108 IBM Mobile Systems HMM ...

Page 119: ...ThinkPad 720 720C Exploded View continued ThinkPad 700 700C 720 720C 9552 109 ...

Page 120: ...tus Indicator 6 Power On Light green 7 External Input Device Connector 8 System Power Switch 9 Keyboard 1ð Reverse Video Switch 11 Hard Disk Drive 12 Integrated Pointing Stick 13 Battery Pack 14 Diskette Eject Button 15 Diskette Drive 16 Speaker Volume 17 Suspend Switch 110 IBM Mobile Systems HMM ...

Page 121: ...ctor 6 Password override connector 7 Base Memory Card Interface 8 Video Card Interface 9 Backup Battery Connector 1ð Processor Card Interface 11 Hard Disk Drive Connector 12 Speaker Connector 13 Voltage Converter Interface 14 System Status Indicator Connector 15 Keyboard Control Card Interface Front side Rear side ThinkPad 700 700C 720 720C 9552 111 ...

Page 122: ...ctor 6 PCMCIA Connector 7 Base Memory Card Interface 8 Video Card Interface 9 Backup Battery Connector 1ð Hard Disk Drive Connector 11 Processor Card Interface 12 Keyboard Control Card Interface 13 Speaker Connector 14 Voltage Converter Interface 15 Diskette Drive Interface 16 System Status Indicator Connector Front side Rear side 112 IBM Mobile Systems HMM ...

Page 123: ...CD Connector 3 System Board Connector 4 Communication Adapter Connector Keyboard Control Card Front side Rear side 1 Pointing Stick Connector 2 System Board Interface 3 Keyboard Connector 4 Keyboard Connector ThinkPad 700 700C 720 720C 9552 113 ...

Page 124: ...Voltage Converter Front side Rear side 1 Power Jack 2 Battery Pack Interface 3 System Board Interface 4 Standby Battery Connector 5 Suspend Resume Switch 114 IBM Mobile Systems HMM ...

Page 125: ...Parts Listing 700 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 ThinkPad 700 700C 720 720C 9552 115 ...

Page 126: ...7 8 System Board 700 44G3780 System Board 700C 49G1975 50MHz Upgrade System Board 700 54G1046 240 340MB Upgrade System Board 700 53G7822 50MHz 240 340MB Upgrade System Board 700 53G7824 50MHz Upgrade System Board 700C 54G1047 240 340MB Upgrade System Board 700C 53G7823 50MHz 240 340MB Upgrade System Board 700C 53G7825 Power Switch Knob Actuator 49G2140 For Germany Gray 49G2156 LED Flexible Plastic...

Page 127: ...ndicator Assembly 700C 48G8729 Standoff LED 700C 48G8731 26 Panel Groups include LED cover 2 2 5 x 8mm left and right hinge bracket supports left and right hinge cover end caps Panel Cover Group 700 44G3789 For Germany Gray 48G9320 Panel Cover Group 700C 48G8715 For Germany Gray 48G9908 For Japan 49G1982 Speaker 07G1229 Holder Speaker 44G3786 AC Adapter 25W 3 pin 700 44G3808 AC Adapter 40W 3 pin 7...

Page 128: ...Parts Listing 720 720C 13 14 1 2 3 4 5 6 7 8 9 11 12 10 15 16 17 18 19 20 21 22 23 24 25 26 2 See FRU Service Procedures on page 124 118 IBM Mobile Systems HMM ...

Page 129: ...Board 720 53G7826 8 System Board 720C 53G9205 8 240 340MB Upgrade System Board 720C 53G7827 Power Switch Knob Actuator 49G2140 For Germany Gray 49G2156 LED Junction 53G9208 9 Backup Battery Lithium 44G3778 10 Processor Card 54G1045 11 I O Connectors Cover Group 44G3769 For Germany Gray 48G9315 12 Bottom Cover Assembly 720 53G9217 For European Countries 53G9219 For Belgian and Dutch 53G9221 For Ger...

Page 130: ...cover end caps and hinge spacers 26 Panel Cover Group 720 53G9213 For Germany Gray 53G9195 Panel Cover Group 720C 53G9214 For Germany Gray 53G9196 PCMCIA Door 53G9199 For Germany Gray 53G9216 Speaker 07G1229 Holder Speaker 44G3786 Miscellaneous Parts Group 720 53G9197 Miscellaneous Parts Group 720C 53G9198 Parts Group includes Keyboard support bracket DC in holder battery terminal clip LCD cable c...

Page 131: ... Card 4MB 07G1415 IBM IC DRAM Memory Card 8MB 07G1416 Miniature Mouse 95F5723 NiMH Battery with Indicator 53G9166 Quick Charger 49G1110 Quick Charger for Japan 2 pin 49G1111 Arabic 48G9249 Belgian 48G9238 Canadian French 48G9230 Danish 48G9243 Dutch 48G9247 Finnish 48G9241 French AZERTY 48G9235 German Gray 48G9236 Greek 48G9252 Hebrew 48G9251 Icelandic 48G9250 Italian 48G9237 Japanese 44G3796 Norw...

Page 132: ...67 Hebrew 95F5741 Icelandic 95F5467 Italian 95F6316 Japan 79F6401 Norwegian 95F5467 Spanish 95F6315 Swedish Finnish 95F5468 Swiss French 95F5711 Swiss German 95F5715 Turkish 95F5467 U K English 95F5741 U S English 95F5741 Tri Connector Wrap Plug 72X8546 PC Test Card 35G4703 Audio Wrap Cable 66G5180 Screwdriver Kit 95F3598 122 IBM Mobile Systems HMM ...

Page 133: ...9 Japan 2 pin 6454377 Japan 3 pin 65F0031 2 Hong Kong Singapore U K 14F0033 3 France Germany Spain 13F9979 4 Italy 14F0069 5 Australia New Zealand 13F9940 6 Denmark 13F9997 7 Israel 14F0087 8 Bangladesh Pakistan 14F0015 Sri Lanka South Africa 9 Switzerland 14F0051 10 Thailand 1838574 ThinkPad 700 700C 720 720C 9552 123 ...

Page 134: ...r LCD are part of the FRU and are returned with the FRU 700 720 Mono LCD FRU Replacement Hinges are NOT part of the Model 700 or 720 mono LCD FRU do not return them with the FRU When replacing the Model 700 or 720 mono LCD remove the right and left hinge bracket supports and install them on the new LCD Return only the main FRU The left and right hinge bracket supports are included in the Mono Pane...

Page 135: ...ymptoms 151 Peripheral Device Related Symptoms 151 Other Symptoms 152 Intermittent Problems 152 Undetermined Problems 152 Related Service Procedures 154 Understanding Fn Key Combinations 154 Reading Status Indicators 155 Understanding the Power On Self Test 155 Removing the Power On Password 156 Running the Diagnostics 156 Printing and Displaying Error Logs 157 Checking Installed Devices 157 Runni...

Page 136: ...tem Board Top View 186 Bottom System Board Bottom View 187 Inverter Card Front View 188 Inverter Card Rear View 188 MultiPort II Front View 189 MultiPort II Rear View 189 Parts Listing 190 Common Option Parts List 192 126 IBM Mobile Systems HMM ...

Page 137: ...fore replacing any FRU see FRU Removals and Replacements on page 161 Symptom Go to Power failure The power indicator does not go on or stay on Power Systems Checkout on page 135 POST does not complete No beeps or error codes are indicated No Beep Symptoms on page 146 POST beeps but no error codes are displayed Beep Symptoms on page 145 POST detected an error and displayed numeric error codes Numer...

Page 138: ...p at the end of POST and the Easy Setup screen appears If this does not occur go to Symptom to FRU Index on page 141 6 Run the advanced diagnostics tests For information on how to run the diagnostics tests see Running the Diagnostics on page 156 For information on how to disable the password see Removing the Power On Password on page 156 7 Find your symptom in the table in Checkout Guide on page 1...

Page 139: ...on a system with 4MB base memory 7 808KB with an 8MB base memory replace the SO DIMM 5 If after replacing the SO DIMM an error above 3 712KB on a system with a 4MB base memory or 7 808KB with an 8MB base memory still appears replace the bottom system board 6 To exit from the test screen press Esc If memory problems occur intermittently use the loop option to repeat the test For more information on...

Page 140: ... sure that it is set to Smart or Conventional If it is set to Hard Disk change the setting to Smart or Conventional to set the system to boot from the update diskette in the following procedure If you change the user s setting make a note of the setting before changing it 2 Power off the computer 3 Connect the computer to Vac power and install a charged battery pack 4 Insert the Flash update diske...

Page 141: ...ics test 6 Press each key A shaded box appears in the corresponding key position on the keyboard layout on the screen Press the key again to remove the box Note The shaded box appears in Fn only during the first keyboard test of a diagnostics session 7 To exit from the test screen press Esc If the tests detect a keyboard problem perform the following tasks one at a time to correct the problem Note...

Page 142: ...ement stops in a short period of time However the TrackPoint III will not stabilize if you apply pressure to it If pointer movement occurs you can go into Suspend mode and then resume normal operation Resuming or turning the computer on both cause the TrackPoint III to be calibrated which may correct the problem If you see continual movement of the pointer the TrackPoint III is probably defective ...

Page 143: ...e 10 appears from this second test replace the top system board 9 If the controller test runs without errors select Tool from the advanced diagnostics screen See Running the Diagnostics on page 156 for instructions Select the FDD 1 icon and insert a scratch diskette to continue with the drive test 10 Select the FDD 1 icon from the advanced diagnostics screen and press Enter 11 If the drive test de...

Page 144: ...o install the wrap plugs on the ports See Running the Diagnostics on page 156 for instructions 10 Run the diagnostics tests on the parallel and serial ports on the computer and the MultiPort II To test the external display device select the Display icon Test results will be displayed under the icon for each selected device 11 If the diagnostics tests do not find errors suspect a problem with the p...

Page 145: ...g the Standby Battery on page 137 Checking the AC Adapter Check the AC adapter if the computer fails only when the AC adapter is used or if the battery does not charge when the AC adapter is attached and the computer is on or in suspend mode If the power problem occurs only when the MultiPort II is used replace the MultiPort II If the power on indicator does not turn on check the AC adapter for co...

Page 146: ...ing steps to check the battery Safety Notice 7 Translation on page 12 Though main batteries have low voltage a shorted or grounded battery can produce enough current to burn combustible materials or personnel 1 Remove the battery Note To remove the battery end external communications if you are not using an AC adapter Power off the computer and then close the lid Unlock the battery compartment doo...

Page 147: ...er from the computer 2 Remove the battery 3 Remove the top system board 4 Replace the standby battery from the bottom of the top system board 5 Reinstall the top system board 6 Plug the computer into ac power power on the computer and let the standby battery charge for 24 hours 7 To verify standby battery operation remove and reinstall the battery while the computer is in the suspend mode Note For...

Page 148: ... the remote device s window 6 Ensure that the windows on both systems are clean and unobstructed If the two systems still will not connect after you have followed the preceding steps and the remote system is another computer with a terminal program for example Windows Terminal or Procomm installed perform the following tests 1 Set up the terminal application on each system to communicate with the ...

Page 149: ...advanced diagnostics 5 Select Infrared and press Enter to run the test on the infrared transceiver Test results will be displayed under the Infrared icon 6 If no errors are detected the OK message appears 7 If an error is detected the FRU code and error description message appear Go to FRU Codes on page 144 and replace the FRU 8 To exit from the test screen press Esc PCMCIA Checkout For a more tho...

Page 150: ...ED does not turn on see Reading the PC Test Card LED on page 158 Test results will be displayed under the PCMCIA icon 7 If no errors are detected the OK message appears 8 If an error is detected the FRU code and error description message appear Go to FRU Codes on page 144 and replace the FRU 9 To exit from the test screen press Esc 140 IBM Mobile Systems HMM ...

Page 151: ...and bottom system boards try reseating the boards If reseating the boards does not correct the problem replace the boards 2 If possible install the latest level of BIOS available before replacing any FRU Before completely reassembling a computer that has been repaired try to reboot the computer to check the repairs that have been completed However when you reboot without the keyboard attached the ...

Page 152: ...lity and set the time and date 2 Top System Board 3 Bottom System Board 162 Check the Installed Devices list for a missing device 1 Set Configuration Press Fn F1 to enter the Configuration Utility and set your configuration 2 Any Missing Device 3 Top System Board 4 Bottom System Board 164 Memory size error 1 If a SO DIMM card has been removed press Fn F1 to enter the Configuration Utility and veri...

Page 153: ...computer 1 Remove attached external devices 2 Reseat cables 3 Keyboard 4 Top System Board 6XX 1 Go to Diskette Drive Checkout on page 133 2 Diskette 3 Diskette Drive Cable 4 Diskette Drive 5 Top System Board 09XX 10XX 1 Top System Board 11XX 1 Modem 2 Top System Board 3 Bottom System Board 17XX 1 Go to Hard Disk Drive Checkout on page 133 2 Hard Disk Drive 3 Bottom System Board 24XX For external d...

Page 154: ...3 2 Hard Disk Drive 3 Bottom System Board Other codes not listed above 1 Go to Undetermined Problems on page 152 FRU Codes If an error is detected by the diagnostics tests a four digit FRU code is displayed along with an error code The FRU code indicates two suspected FRUs Replace the FRU that is indicated by the two leftmost digits first and then replace the FRU indicated by the two rightmost dig...

Page 155: ...tte Drive FDD 2 55 1 Insert a correctly formatted 2 0MB diskette into the Diskette Drive 60 1 Reseat the Hard Disk Drive HDD 1 2 Hard Disk Drive HDD 1 61 1 Reseat the Hard Disk Drive HDD 2 on the docking station 2 Hard Disk Drive HDD 2 70 External PCMCIA 81 Internal Modem Card 91 If MultiPort II is installed 1 Reseat MultiPort II 2 MultiPort II If Dock II is installed 1 Reseat Dock II 2 Dock II Be...

Page 156: ...beep power on indicator not on and a blank LCD during POST 1 Go to Power Systems Checkout on page 135 2 Top System Board 3 Power sources No beep power on indicator on and a blank LCD during POST 1 Top System Board 2 Bottom System Board No beep power on indicator on and a blinking cursor only during POST 1 Top System Board 2 Bottom System Board No beep during POST but system runs correctly 1 Turn t...

Page 157: ... Bottom System Board LCD backlight not working or LCD too dark or LCD brightness cannot be adjusted 1 Reseat LCD connectors 2 Reseat inverter card 3 Inverter Card 4 LCD Assembly LCD contrast cannot be adjusted ThinkPad 701CS only 1 Reseat LCD connectors 2 Top System Board 3 LCD Assembly LCD screen unreadable or Characters missing pels or Screen abnormal or Wrong color displayed See important note ...

Page 158: ...he MultiPort II has been installed correctly Symptom Error FRU Action Devices connected to the MultiPort II do not work correctly 1 Check the device connectors to make sure that they are connected correctly 2 Check the cables to make sure they are not defective or damaged 3 Go to MultiPort II Checkout on page 134 Problems occur when the MultiPort II is connected or removed unlatched 1 Verify that ...

Page 159: ...her 2 Top System Board 3 Bottom System Board Battery status indicator does not turn on when battery fuel gauge is over 90 but less than 100 1 This is normal operation if charging continues Leave the computer charging and then recheck the battery fuel gauge a short time later to see whether the charge has increased Power Related Symptoms Symptom Error FRU Action Power shut down during operation 1 G...

Page 160: ...perational temperature range 5 Change the AC adapter 6 Replace the Battery Pack 7 Replace the Top System Board Function Related Symptoms Symptom Error FRU Action The system will not enter Suspend mode or resume by opening or closing the LCD 1 Check the Configuration Utility to ensure that the Suspend on Lid Close function is enabled 2 Check that the computer can enter Suspend mode by pressing Fn F...

Page 161: ...2 Attach an external microphone and check for recording If the external microphone works replace the internal microphone If the external microphone does not work replace the Top System Board Other audio problems 1 Replace the Top System Board Peripheral Device Related Symptoms Before testing or replacing any peripheral device go into the Configuration Utility and ensure that all of the configurati...

Page 162: ...o not replace any FRUs 3 If any error is detected replace the FRU shown by the FRU code Rerun the test to verify that no more errors exist Undetermined Problems Perform the following procedures to isolate the failing FRU if the diagnostics tests did not identify which adapter or device failed or whether the installed devices are incorrect a short circuit is suspected or the system is inoperative N...

Page 163: ...r that removing the hard disk drive a SO DIMM card or any adapter or device will cause configuration errors Error code 162 will occur 4 Power on the computer 5 Determine whether the problem has changed 6 If the problem does not occur again reconnect the removed devices one at a time until you find the failing FRU 7 If the problem remains replace the following FRUs one at a time Note Do not replace...

Page 164: ...andby mode F4 Enters Suspend mode F5 Mutes and unmutes speaker F6 Turns the hard disk off F7 Cycles through display options LCD CRT both F8 Reverses video display F9 Reserved F10 Reserved F11 Reserved F12 Enters Hibernate mode Insert Increases contrast This combination key does not provide this function on ThinkPad 701C as TFT screens do not require contrast adjustment Delete Decreases contrast Th...

Page 165: ... Self Test Each time you power on the computer the power on self test POST is initiated The POST takes up to 90 seconds to complete depending on the options installed The POST checks the following items system boards memory display keyboard diskette drive hard disk drive parallel port and serial port To start the POST power on the computer The following actions will happen 1 If a critical error oc...

Page 166: ...ears 3 Select Test and press Enter 4 Press Ctrl A to enter advanced diagnostics 5 Select Tool to install a test tool Select the test tool for a device and press the spacebar or click button to install it A mark appears for the selected device Repeat this step to install multiple devices Note A graphic message prompts you to attach the selected test tools 6 Select OK and press Enter if the selectio...

Page 167: ...he system board If needed adjust the contrast control to clearly distinguish the shades of the icon If a device that is not installed appears in a dark shade for example if HDD 2 appears in a dark shade when a second hard disk drive is not installed perform the following steps 1 Replace the first device such as HDD 1 2 If the problem persists replace the relevant system board The PCMCIA System Boa...

Page 168: ...Select the hard disk to be formatted and press Enter 8 A confirmation screen appears showing the number of cylinders heads and sectors on the hard disk 9 Press Esc to exit the low level format screen without formatting the hard disk 10 Press Enter to begin the low level format of the hard disk When the low level format is completed the advanced diagnostics screen is displayed 11 When you restart t...

Page 169: ... eject button located to the left of the PCMCIA card slot Note A Type III PCMCIA card occupies both PCMCIA slots To remove the card press the bottom eject button 2 Carefully slide the PCMCIA card out of the slot 3 If both PCMCIA slots are empty replace the filler plug and replace the outer cover over the PCMCIA slots Note Do not remove PCMCIA cards while the system is in Suspend or Hibernate mode ...

Page 170: ...ional Audio Built in speaker Built in microphone Microphone jack Speaker headphone jack Line in jack Supports SoundBlaster and SoundBlaster Pro applications Internal Modem Card Data Fax Voice Modem with 14 4 Kbps transmission rate and telephony support U S and Canada only PCMCIA Cards Accepts any of the following One or two Type I One or two Type II One Type I and one Type II One Type III Infrared...

Page 171: ...o replace FRUs Note exceptions and special instructions for replacement throughout the FRU removal procedure The letters in parentheses in the list indicate screw types Consult the following screw size chart to match the letters to the correct screw type and size before replacing each screw BA Nut M2 5 Silver BC M2 5 6 mm Black BD M2 5 8 4 mm Black BE M2 5 10 mm Black BF M1 3 mm Black BG M2 5 7 5 ...

Page 172: ... remove any attached devices including the diskette drive diskette drive cable and MultiPort II if they are attached Safety Notice 2 Translation on page 8 Some standby batteries contain a small amount of nickel and cadmium Do not disassemble it recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Use only the battery in t...

Page 173: ...d 701C 701CS The three exploded views show the parts of the computer that are removed at various stages of the disassembly process The numbered callouts in the figures correspond to steps in the procedure ThinkPad 701C 701CS Exploded View 6 2 9 5 1 7 4 10 10 10 10 10 BC BF BH BE BC BC BC BK ThinkPad 701C 701CS 2630 163 ...

Page 174: ...ThinkPad 701C 701CS Exploded View 3 9 15 12 13 18 11 17 16 8 14 BF BG BG BC 13 19 19 19 23 24 22 21 20 164 IBM Mobile Systems HMM ...

Page 175: ...ThinkPad 701C 701CS Exploded View 26 25 31 2 28 28 29 27 BC BJ BA BL 30 32 34 33 ThinkPad 701C 701CS 2630 165 ...

Page 176: ...led information 3 Remove the PCMCIA cover and filler plug shown in the figure on page 164 Remove any installed PCMCIA cards See Removing PCMCIA Cards on page 159 for more detailed information 4 Remove the parallel port cover shown in the figure on page 163 Warning Do not drop or apply any shock to the hard disk drive The hard disk drive is sensitive to physical shock Incorrect handling can damage ...

Page 177: ... screws be careful when tightening the middle screw toward the rear of the computer If you tighten the screw too much you can break the plastic base If you are using an electric screwdriver set it to a low or sensitive setting to prevent breakage 11 Remove the screw BC located below the right hinge Replacement When you replace the screws in the base and the keyboard shelf perform the steps in the ...

Page 178: ...ultaneously Replacement When you reinstall cables in ZIF connectors insert the cable connector end metal side facing up into the connector and then gently push in each sliding latch to secure the cable Do not twist the cables Warning Do not pull out the cable before releasing the sliding latch connector Separating the Display and Base Units 14 Detach the LCD cable shown in the figure on page 164 S...

Page 179: ... Inverter Card 21 Remove the top system board and the attached standby battery and inverter card shown in the figure on page 164 Reuse the rubber spacers Separate the metal spacers between the top and bottom system boards Gently pull up the front of the top system board and insert a tool at the slot located near the battery connector Press down with the tool and gently pry up to detach the top sys...

Page 180: ...r screw Safety Notice 4 Translation on page 10 The backup battery is a lithium battery and can cause a fire explosion or severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 degrees C 212 degrees F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use of an incorrect battery can result ...

Page 181: ...e speaker Be careful not to damage it with screwdrivers screws or other objects 32 Remove the speaker shown in the figure on page 165 After you have removed the speaker carefully remove any metal particles that might have flaked off 33 Remove the adhesive gasket shown in the figure on page 165 Replacement Follow these steps in order 1 Remove the old adhesive gasket and apply a new one to the base ...

Page 182: ...and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing 1 Remove the two bottom screws BH 2 Remove the left hinge cover cam 3 Remove the four bezel screws BD 172 IBM Mobile Systems HMM ...

Page 183: ... Replacement When replacing the latches place the latch in the bezel and then slide the spring over the post on the latch Compress the spring slightly and slip it into the recess in the bezel 11 Remove the two right hinge screws BI 12 Remove the right hinge The left hinge is part of the top cover assembly and should be replaced with it as a unit Note To clean the LCD use rubbing alcohol and a soft...

Page 184: ... and then the brown cable Do not allow the microphone cable to twist around the backlight cables 3 Slip the sleeve into place so that the flange is inside the computer lid toward the LCD 4 Insert the microphone into the space between the hinge and the LCD with the foam block against the right side of the space Press the block gently to ensure that it is completely inserted Make sure that the foam ...

Page 185: ...e computer lid all the way 180 and remove the tape from the the LCD cable 6 Slide the ferrite core over the end of the LCD cable pushing the core onto the cable just far enough to expose the two sets of silver contacts on the cable 7 Connect the LCD cable to the connectors on the bottom system board by inserting the flat ends of the cable Then push in the small sliding latch under each cable to se...

Page 186: ...s breakage To route the backlight cable follow these steps 1 Plug the LCD backlight cable into the inverter card Do not twist the wires 2 Position the brown wire behind the connector so that after it exits the connector housing it goes down between the inverter card and back wall of the base cover It must be outside of the inverter insulator 3 Loop the brown wire toward the LEDs and over the top o...

Page 187: ...e in the same manner as the brown wire Position the yellow wire beside the brown wire where it runs over the connector on the side toward the back of the computer Do not allow the wires to cross 5 Be careful to keep the cable in the correct position as you complete the assembly of the computer ThinkPad 701C 701CS 2630 177 ...

Page 188: ...w has a top and bottom Install the window with the long side with the partial cutout facing the top of the inverter card 5 Feed the speaker cable between the inverter card and the top system board to the right of the inverter card connector to the board 6 As you press lightly down on the top system board and the inverter card slip the bottom corners of the inverter card into the slots in the base ...

Page 189: ... off the computer 2 Remove the battery 3 Disconnect all cables and other devices including the AC adapter 4 Close the computer and turn it upside down 5 Remove the SO DIMM door 6 Locate the notch on the SO DIMM Warning Do not insert the SO DIMM too far You might damage the SO DIMM or SO DIMM socket 7 Position the card at a 15 to 20 degree angle to the SO DIMM socket with the notch facing to the ri...

Page 190: ...til it locks into place It is held in place by two tabs one on either side of the card 10 Replace the SO DIMM door 11 Reattach all cables and other devices including the AC adapter and power on the computer 12 Verify that the memory count displayed during the POST is correct See Memory Checkout on page 128 for information on memory size 180 IBM Mobile Systems HMM ...

Page 191: ...Locations System Front View 1 Latches 2 LCD 3 Keyboard 4 Click Buttons 5 TrackPoint III 6 Fn Key 7 Status Indicators See Reading Status Indicators on page 155 3 6 2 5 1 7 4 ThinkPad 701C 701CS 2630 181 ...

Page 192: ...3 Parallel Diskette Drive Connector 4 Microphone In Jack 5 Line In Jack 6 Headphone Speaker Out Jack 3 6 2 5 1 4 System Right Side View 1 Battery Pack 2 Hard Disk Drive 3 PCMCIA Access Port 4 Slot for Kensington Lock 3 2 1 4 182 IBM Mobile Systems HMM ...

Page 193: ...I can be connected to this interface to support the following features 16 bit AT bus interface Serial port Parallel port Keyboard and mouse Hard disk drive connection LED control signals Video signals Audio signals Diskette drive PCMCIA Power controls Power line 3 2 1 ThinkPad 701C 701CS 2630 183 ...

Page 194: ...oard Connectors 2 Inverter Card Connector 3 Microphone Connector 4 Speaker Connector 5 Battery Pack Connector 6 Lid Close Sensor 7 Parallel Diskette Drive Connector 8 TrackPoint III Connector 3 6 2 8 5 1 7 4 184 IBM Mobile Systems HMM ...

Page 195: ... Power Jack 3 Power Switch 4 Parallel Diskette Drive Connector 5 Microphone In Jack 6 Line In Jack 7 Headphone Speaker Out Jack 8 Standby Battery Connector 9 Battery Pack Connector 1ð Board to Board Connector 3 9 6 2 8 5 1 7 4 10 ThinkPad 701C 701CS 2630 185 ...

Page 196: ...System Board Top View 1 System Expansion Connector 2 LCD Connectors 3 PCMCIA Controller 4 PCMCIA Slots 5 System Controller 6 Board to Board Connector 7 Video Controller 3 6 2 5 1 7 4 186 IBM Mobile Systems HMM ...

Page 197: ...MCIA Connector 2 Processor 3 System Expansion Connector 4 Modem Connector 5 Random Access Memory 6 SO DIMM Connector 7 Hard Disk Drive Connector 8 RTC Battery 9 Power On Password Bypass Pads 3 9 6 2 8 5 1 7 4 ThinkPad 701C 701CS 2630 187 ...

Page 198: ...Inverter Card Front View 1 Light Emitting Diodes 2 System Board Connector 2 1 Inverter Card Rear View 1 Light Emitting Diodes 2 Infrared Serial Port 3 LCD Connector 3 2 1 188 IBM Mobile Systems HMM ...

Page 199: ... MultiPort II Rear View 1 Release Lever 2 External Display Port 3 AC Adapter Port 4 External Mouse Numeric Keypad Port 5 External Keyboard Port 6 Audio Out 7 Audio In 8 Parallel Port 9 Serial Port 3 9 6 2 8 5 1 7 4 ThinkPad 701C 701CS 2630 189 ...

Page 200: ...Parts Listing 190 IBM Mobile Systems HMM ...

Page 201: ...O DIMM See options list 14 Modem 04H8341 15 PCMCIA Cover 04H8346 16 PCMCIA Filler Plug 04H8348 17 360MB Hard Disk Drive 04H6829 17 540MB Hard Disk Drive 04H6830 17 720MB Hard Disk Drive 25H4873 18 Battery Pack NiCD 04H6898 For Worldwide Use Including Benelux 04H6902 18 Battery Pack NiMH 04H6197 19 Base Assembly 04H8335 20 Base Feet Kit 04H8390 21 SO DIMM Door 04H8337 22 Standby Battery Door 04H833...

Page 202: ...English 04H6917 Common Option Parts List Miscellaneous Parts Notes 1 When you replace the AC adapter with a new one use the one for the country you are in even if the system is from a different country 2 The warranty for the system unit does not apply to all options AC Adapter For Americas and Japan 04H6903 For Worldwide Use 04H6904 Screw Kit Includes the following TORX screws 04H8330 Nuts 2 M2 5 ...

Page 203: ...I Adapter Card 04H8353 Dock II Adapter Kit Diskette Drive Cable 25H4879 Tools Standard Tri Connector Wrap Plug 72X8546 PCMCIA PC Test Card 35G4680 Standard Audio Wrap Cable 66G5180 Standard Screwdriver Kit 95F3598 TORX T1 Screwdriver 10H4156 TORX T6 Screwdriver 10H4157 Power Cords U S Canada 04H6905 Asia Pacific 04H6906 Latin America 04H6907 Europe 04H6908 Japan 04H6909 Warning Use the power cord ...

Page 204: ...194 IBM Mobile Systems HMM ...

Page 205: ...mptoms 223 Keyboard TrackPoint II Related Symptoms 223 Indicator Related Symptoms 224 Power Related Symptoms 224 Function Audio Related Symptoms 224 Peripheral Device Related Symptoms 225 Other Symptoms 226 Intermittent Problems 226 Undetermined Problems 227 Related Service Procedures 228 Status Indicators 228 How to Run the Diagnostics 229 Error Log 229 Checking the Installed Devices List 230 Pas...

Page 206: ...IMM and DIMM Adapter 755C 755Cs 269 2056 Diskette Drive Bezel 271 2060 Status Indicator 272 2070 LCD Assembly 274 2080 Speaker Shield Assembly 277 2085 Audio Card 280 2090 Interposer Card 280 2100 DC DC Card 281 2110 Backup Battery 282 2105 Standby Battery 282 2120 System Board Assembly 284 2130 PCMCIA Slot Assembly 286 2140 Processor Card 750Ce 755C 755Cs 287 Locations 289 System Front View 750 7...

Page 207: ... correct model When you replace the FRU make sure the model of the machine and FRU part number are correct by referring to the part list FRUs should not be replaced because of a single un reproducible failure Single failures can occur from a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRU replacement should o...

Page 208: ...roken latches broken pins or connectors caused by excessive force Damage caused by liquid spilled onto the system Damage caused by improperly inserting a PCMCIA card or installation of an incompatible card Damage due to foreign material in the FDD or FDD bay Damage to the diskette drive caused by pressing the diskette drive cover or inserting diskettes with multiple labels Diskette eject button wa...

Page 209: ...rd POP Hard disk Password HDP Supervisor Password Privileged Access Password PAP No overriding is provided Obtaining permission from the password owner to unlock the password is a prerequisite for running diagnostic tests and performing maintenance service See Password Combinations on page 230 for more information about passwords How to Disable the Power On Password Important This information is n...

Page 210: ...ndicator does not go on or stay on Power Systems Checkout on page 207 POST does not complete No beeps error code are indicated Symptom to FRU Index on page 216 and then use the No Beep Symptoms table POST beeps but no error codes are displayed Symptom to FRU Index on page 216 and then use the Beep Symptoms table POST detected an error and displayed numeric error codes Symptom to FRU Index on page ...

Page 211: ...nd 370C ignore any references to parity errors DIMM Adapter and DIMM card are not supported for 355x and 360x Remove them if installed 1 Installing a non parity memory card causes memory errors Before you go to the next procedure check whether or not the memory card use parity or non parity If the non parity memory card is installed disable the parity check on Easy Setup configuration screen 2 Mak...

Page 212: ... not appear the next time the POST is run If the 118 error code occurs repeatedly determine and replace the failing memory FRU FRUs should not be replaced because of a single un reproducible failure Single failures can occur from a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRUs replacement should only be co...

Page 213: ...em board but do not replace the processor card Transfer the processor card from the old system board to the new system board 3 If FRU code 11 appears reseat the processor card 4 Rerun the test to verify the fix 5 If FRU code 11 remains replace the processor card If above procedure does not correct the problem go to Undetermined Problems on page 227 Keyboard Auxiliary Input Device Checkout Remove t...

Page 214: ...ue with the following The TrackPoint II does automatic compensations to adjust the pointer sensor During this process the pointer moves on the screen automatically for a short time This self acting pointer movement can occur when a slight steady pressure is applied to the TrackPoint II pointer while the computer is powered on or while the system is running or re adjustment is required because the ...

Page 215: ... Do the following 1 Press and hold the F1 key then power on the computer to go to the Easy Setup menu 2 Press Ctrl P The following Pen icon appears on the screen Pen 3 Open the LCD all the way to 180 degrees Do not convert it into the tablet style notebook 4 Select the pen icon by moving the cursor on the icon and clicking it 5 Without applying any pressure on the screen hold the stylus pen so it ...

Page 216: ...he drive to fail 1 Do the following to select the test device a Select the advanced diagnostic mode and select Tool b Select the icon FDD 1 or FDD 2 and press the space key A mark appears next to the selected icon Insert the blank diskette when instructed 2 Run the diskette drive test 3 If the controller test detects an error FRU code 10 appears Replace the system board 4 If the controller test ru...

Page 217: ...l Charging on page 208 Checking the Battery Pack on page 208 Checking the Car Battery Adapter on page 210 Checking the Quick Charger on page 211 Checking the Backup Battery on page 211 Checking the Standby Battery on page 212 Port Replicator Power Overload on page 215 Checking the AC Adapter You are here because the computer fails only when the AC Adapter is used If the power problem occurs only w...

Page 218: ...urns orange and the battery charging indicator turns green within two minutes replace the AC Adapter Checking the Battery Pack Battery charging will not start until the Fuel Gauge shows that less than 90 of the total power remains with this condition the battery pack will charge to 100 of its capacity This protects the battery pack from being over charged or having a shortened life Notes a Models ...

Page 219: ... Step 5 to check the charging circuit If the voltage is still less than 8 0 V dc after the recharging replace the battery 4 If the voltage is more than 8 0 V dc measure the resistance between battery terminals 3 and 4 The resistance must be 4 to 30 kilohms If the resistance is not correct replace the battery pack If the resistance is correct replace the DC DC card 5 To check the charging circuit d...

Page 220: ...dapter is on all the time the Car Battery is working correctly Replace the system board If the problem is not resolved when the system board is replaced go to Undetermined Problems on page 227 If the voltage is outside the normal voltage range do one of the following Try the above test procedures in a different car if one is available Replace the Car Battery Adapter if the computer works correctly...

Page 221: ...ck charger or the power cord 3 Install the battery pack into the quick charger If the charging indicator does not start blinking replace the quick charger Checking the Backup Battery 1 Power off the computer and unplug the AC Adapter from the computer 2 Open the keyboard and remove the battery pack and the diskette drive 3 Remove the backup battery from the system board 4 Measure the voltage of th...

Page 222: ...Step 10 on page 213 to verify standby battery operation If the voltage is less than 3 5 V dc go to the next step 5 Plug the AC Adapter into the computer and power on the computer 6 Measure the output voltage at the connector on the system board Red Black If the voltage is less than 4 0 V dc replace the DC DC card If the voltage is still low replace the system board If the voltage is more than 4 0 ...

Page 223: ...tandby mode the following occurs The LCD backlight turns off The hard disk motor stops The CPU clock is set to the lowest speed Events that cause entering of standby mode Standby requested by the Fn key Fn F3 No activity under auto standby enabled by the feature utility Events that cause exiting or resuming of standby mode Resume Any key operation Suspend Mode When in suspend mode the following in...

Page 224: ...rogram Events that cause exiting or resuming of suspend mode Resume The LCD is opened Resume The keyboard is closed Resume Real time clock alarm signaled Resume Ring indicator RI signaled by serial or PCMCIA device Resume The Fn key is pressed Exit Timer conditions are satisfied to enter hibernation mode Hibernation Mode When in hibernation mode the following occurs The system status RAM VRAM and ...

Page 225: ...licator Power Overload If power shut downs occur intermittently when using PCMCIA 2 devices via a port replicator suspect an over current problem Some PCMCIA devices use more power if the maximum usage of each device occurs simultaneously the total current will exceed the limit thereby causing a power shut down Isolate this problem by removing one of the devices and use the computer under the same...

Page 226: ...you decide which FRUs to have available when servicing a computer Numeric error codes show the errors detected in POST or system operation In the following error codes X can be any number If no codes are available use narrative symptoms If the symptom is not listed go to Undetermined Problems on page 227 Notes For IBM devices not supported by the diagnostic codes in this manual see the manual for ...

Page 227: ...et a correct HDP 161 1 Go to Checking the Backup Battery on page 211 2 Backup Battery 3 System Board 163 Time and Date was not set 1 Set Time and Date 2 System Board 173 Configuration data were lost 1 Select OK in the error screen then set time and date 2 Backup Battery 3 System Board 174 Perform Checking the Installed Devices List on page 230 before changing any FRUs 1 Check Device Configuration ...

Page 228: ...1XX 1 System Board 2 Processor card 370C 750Ce 755C and 755Cs 195 The configuration read from the hibernation area does not match the actual configuration 1 Check if the configuration was changed For example check if the disk drive is from another computer 196 Read error occurred in the hibernation area of the HDD 1 Run the hard disk drive test 2 Hard Disk Drive 197 The computer memory size is not...

Page 229: ... acceptable ID was read from the diskette drive 1 Go to Diskette Drive Test on page 206 2 Diskette Drive Assembly 3 System Board 11XX 1 Serial Device First 2 Communication Cable 3 System Board 12XX 1 Serial Device Second 2 Communication Cable 3 System Board 17XX 1 Hard Disk Drive 2 System Board 24XX 1 System Board 4101 1 Reseat the LCD connector Pen see 2070 LCD Assembly on page 274 2 LCD Assembly...

Page 230: ...oblems on page 227 FRU Codes If an error is detected by the diagnostic tests a four digit FRU code is displayed The FRU code indicates two suspected FRUs Replace the FRU that is indicated by the two leftmost digits first then replace the FRU indicated by the two rightmost digits No FRU is assigned to code 00 If only one FRU is suspected the other FRU code is filled with zeros See the referenced pa...

Page 231: ...70 PCMCIA 2 Replicator 80 Cellular Modem 370C 750Ce 755C and 755Cs 81 Internal Modem Card 90 Reserved Beep Symptoms Symptom Error FRU Action Continuous beeps System Board One beep and a blank unreadable or flashing LCD 1 Reseat all LCD connectors 2 LCD Assembly 3 System Board 4 DC DC Card One beep and the message Unable to access boot source 1 Boot device 2 System Board One long two short beeps an...

Page 232: ...heckout on page 207 2 System Board 3 DC DC Card 4 Power sources No beep power on indicator on and a blank LCD during POST 1 System Board 2 DC DC Card 3 Processor Card 370C 750Ce 755C 755Cs No beep power on indicator on and a blinking cursor only during POST 1 System Board 2 Processor Card 370C 750Ce 755C and 755Cs 3 DC DC Card No beep during POST but system runs correctly 1 Turn the volume up and ...

Page 233: ... or LCD contrast cannot be adjusted 1 Reseat the LCD connectors 2 LCD Assembly 3 Interposer Card 4 DC DC Card LCD screen unreadable or Characters missing pels or Screen abnormal or Wrong color displayed 1 See the preceding important note 2 Reseat the all LCD connectors 3 LCD Assembly 4 System Board 5 Interposer Card LCD has extra horizontal or vertical lines displayed 1 LCD Assembly Keyboard Track...

Page 234: ...peration 1 Go to Power Systems Checkout on page 207 2 Battery Pack 3 Remove the battery pack and let it cool for two hours 4 DC DC Card 5 Power sources The system will not power off See Reset Pushbutton on page 199 1 Press the Reset pushbutton 2 System Board Function Audio Related Symptoms Symptom Error FRU Action The system will not suspend or resume by opening or closing the keyboard 1 Go to Sus...

Page 235: ...n the Audio Test 2 Audio Card Memory count size appears differently from actual size 1 Go to Memory Checkout on page 201 System configuration does not match the installed devices 1 Go to Checking the Installed Devices List on page 230 System hangs intermittently 1 Go to Intermittent Problems on page 226 Peripheral Device Related Symptoms Symptom Error FRU Action External display does not work corr...

Page 236: ...sembly Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRUs replacement should only be considered when a recurring problems exits When analyzing the intermittent problem do the following 1 Run the advanced diagnostic test for the system bo...

Page 237: ... or disconnect all of the following devices a Non IBM devices b Devices attached to the expansion bus connector c Printer mouse and other external devices d Battery pack e Hard disk drive f Diskette drive or the device attached to the diskette drive connector g IC DRAM card or DIMM card h PC cards Note Remember that removing the hard disk drive an IC DRAM card or any adapter or device might cause ...

Page 238: ...ors The system status indicators show the current computer status in different colors green yellow and orange Symbol Color Meaning Blinking green Speaker sounds Does not sound for Models 355 355Cs 360 360Cs and 370C Green Battery fully charged Yellow Battery usable Orange Battery low Blinking orange Battery almost depleted Blinking green yellow and orange Battery storage switch is set off Green Ba...

Page 239: ...ars for the selected device 9 Select OK and press Enter if the selection is OK 10 Select a device and press Enter to start the tests 11 Select Test All to test all devices 12 Select Loop Test to loop tests A loop option menu appears in which a device loop or all loop can be selected Select a device and press the space key to select a device Repeat this step to select multiple devices Press Enter t...

Page 240: ...k shade because the icons represent subsystems of the system board and not attachment of the devices The HDD 1 FDD 1 or PCMCIA 1 represents the first drive in the system configuration respectively Similarly the HDD 2 FDD 2 or PCMCIA 2 represents the second drive usually attached through a port replicator or an expansion unit Password Combinations The password relationship is When POP is the same a...

Page 241: ...m the operating system The operating system obtains the status through the system management interface to control the system Fn Description F1 Reserved F2 Fuel gauge display ON OFF F3 Standby mode invocation F4 Suspend mode invocation F5 Audio volume Down F6 Audio volume UP F7 LCD CRT display switching F8 LCD normal reverse switching F9 Reserved F10 Reserved F11 Power management mode switching Tog...

Page 242: ...Basic IC DRAM card max 16 MB CMOS RAM 128 Bytes VGA Video 355 360 9 5 inch diagonally 64 gray level STN LCD monochrome 355Cs 360Cs 360CSE 360P 360PE 9 5 inch diagonally 256 4096 color DSTN LCD color 355C 360C 360CE 8 4 inch diagonally 256 256K color TFT LCD color Diskette Drive Removable 0 720 1 2 1 44MB 3 mode 3 5 inch Hard Disk Drive Removable 355x 125MB 2 5 inch 250MB 2 5 inch 360x 170MB 2 5 in...

Page 243: ...ble 0 720 1 2 1 44MB 3 mode 3 5 inch Hard Disk Drive Removable 340MB 2 5 inch 540MB 2 5 inch 810MB 2 5 inch Audio Card Standard in Japan and European countries PCMCIA One Type III or two Type II Model 750x Feature Description Processor 750x 486SL 33MHz solder mounted on the system board 750Ce SL Enhanced 486DX2 50MHz on the processor card Bus Architecture AT Bus VESA Local Bus for video subsystem ...

Page 244: ...lor TFT LCD color 750Cs 9 5 inch diagonally 256 color STN LCD color 750P 9 5 inch diagonally 64 gray level STN LCD monochrome Diskette Drive Removable 0 720 1 2 1 44 2 88MB 4 mode 3 5 inch Hard Disk Drive Removable 170MB 2 5 inch 340MB 2 5 inch Audio Card Standard PCMCIA One Type III or Two Type II 234 IBM Mobile Systems HMM ...

Page 245: ...d adapter CMOS RAM 128 Bytes VGA Video 755C 10 4 inch diagonally 256 256K color TFT LCD color 10 4 inch diagonally 256 226K color TFT LCD color 755Cs 9 5 inch diagonally 256 4096 color DSTN LCD color Diskette Drive Removable 0 720 1 2 1 44MB 3 mode 3 5 inch 0 720 1 2 1 44 2 88MB 4 mode 3 5 inch Hard Disk Drive Removable 170MB 2 5 inch 340MB 2 5 inch 540MB 2 5 inch Audio Card Microphone and headpho...

Page 246: ...removal procedure and follow any notes that pertain to replacement See Locations for internal cable connections and arrangement information When replacing a FRU use the correct screw size as shown in the procedures Safety Notice 8 Translation on page 13 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any inte...

Page 247: ...1 then remove the rear connector door by flexing it 2 1015 Foot To replace the foot Align the foot in the open position with one pivot in its hinge in the base cover Press the other pivot point into position with your thumb or finger ThinkPad 355x 360x 370C 750x 755C 755Cs 237 ...

Page 248: ...1020 Battery Pack Notes 1 Be careful that the computer does not fall backward when the battery pack is removed 2 Check that the keyboard latch springs are in place 238 IBM Mobile Systems HMM ...

Page 249: ... pressure on the diskette drive cover Remove the diskette drive exactly as shown in the figure 3 Make sure that a diskette is not installed in the drive Removing the drive with a diskette installed causes bending or damaging the eject button After replacing the diskette drive latch the removal strap into the correct position ThinkPad 355x 360x 370C 750x 755C 755Cs 239 ...

Page 250: ...k drive The hard disk drive is sensitive to physical shock Incorrect handling can damage it or cause permanent loss of data Before removing the hard disk drive have the user make a backup copy of all information on the hard disk Never remove the hard disk drive while the system is operating or is in suspend mode After replacing the hard disk drive latch the removal strap into the correct position ...

Page 251: ...en using a screwdriver to remove cover or latches be careful not to Scratch the surface of the computer Break the latches 3 Open the keyboard 4 Remove the leaf spring plate 5 When unlatching the upper cover latches to remove the upper cover use a small screwdriver as shown ThinkPad 355x 360x 370C 750x 755C 755Cs 241 ...

Page 252: ...remove the keyboard unit as shown Warning Do not pull the keyboard cables The keyboard cables can be damaged if the keyboard is disconnected without releasing the three latches 7 8 Remove the keyboard Use the following table for reference when replacing parts Step Location Quantity Length 2 Upper cover 2 8 mm Note Make sure you use the correct screw 242 IBM Mobile Systems HMM ...

Page 253: ...place be careful not to break the flexible cables Go to Keyboard Auxiliary Input Device Checkout on page 203 and test all keys before returning the computer to the customer 2 When replacing the upper cover insert the two latches located on the rear side of the cover into the guide of the LCD foot then push the right left and front sides to snap them into place Be careful not to damage the suspend ...

Page 254: ...andling of the card can damage it The eject tape P N 53G9318 must be used to remove the card 1055 Diskette Drive Bezel Battery Pack 1020 Diskette Drive 1030 Insert a coin between the diskette drive bezel and the computer as shown 1 and push the bezel from the bottom of the computer 2 to remove it 244 IBM Mobile Systems HMM ...

Page 255: ...Battery Pack 1020 Keyboard Unit 1040 Warning Do not pull the status indicator cable The cable can be damaged if the indicator is disconnected in step 2 without releasing the latch ThinkPad 355x 360x 370C 750x 755C 755Cs 245 ...

Page 256: ...s 2 Release the front latch 3 Lift the indicator Rear View Note When replacing the indicator insert the flexible cable straight into the connector until the head of the cable stops Slide both ends of the latches at the same time to make sure that the cable is correctly inserted 2 2 1 Use the following table for reference when replacing parts Step Location Quantity Length 1 Indicator bracket 2 4 mm...

Page 257: ... 1020 Keyboard Unit 1040 Status Indicator 1060 L C D C o n n e c t o r 360P 355Cs 360Cs 355 360 355C 360C 1 When replacing the LCD ground terminal screw do not pull or push the LCD cables ThinkPad 355x 360x 370C 750x 755C 755Cs 247 ...

Page 258: ...r to remove the latches 7 Remove the four screws Use the following table for reference when replacing parts Safety Notice 5 Translation on page 11 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing Caring for the LCD...

Page 259: ...30 Hard Disk Drive 1035 Keyboard Unit 1040 Status Indicator 1060 Notes 1 For Model 360x use steps 9 through 12 to remove the bezel 2 When the audio card is installed in Model 360x modem card means audio card in the following step ThinkPad 355x 360x 370C 750x 755C 755Cs 249 ...

Page 260: ...modem card For the audio card Notes 1 Gently lift the audio card in step 7 to avoid damaging the speaker cable 2 Do not pull the speaker cable 8 before the audio card is removed 7 or 250 IBM Mobile Systems HMM ...

Page 261: ...ThinkPad 355x 360x 370C 750x 755C 755Cs 251 ...

Page 262: ...tall the upper shield make sure the LCD ground terminal is located correctly as shown in the circle Step Location Quantity Length 1a Speaker shield 2 4 mm 1b Diskette drive connector 2 6 mm 5 Lower Shield 2 4 mm Note Make sure you use the correct screw 252 IBM Mobile Systems HMM ...

Page 263: ... it under the projection at the left rear corner of the computer base Note The shaded part in the figure is attached to the speaker shield assembly with light adhesive This is a separate FRU from the speaker shield assembly 3 When raising the speaker shield assembly make sure that the shield assembly does not hook the three flexible cables of the keyboard For Model 360 gently raise the speaker shi...

Page 264: ...1d is in the correct position 2 2 is a shield for radio frequency interference Step Location Quantity Length 1a Speaker shield 1 4 mm 1b Hard disk drive connector 2 6 mm 1c System board 1 16 mm 1d System board spacer 1 16 mm Note Make sure you use the correct screw 254 IBM Mobile Systems HMM ...

Page 265: ...ard 1080 Interposer Card 1095 Notes 1 When replacing the DC DC card put the spacer 5 on the screw hole 2 DC in holder A and spacer 5 are supplied as miscellaneous parts Use the following table for reference when replacing parts Step Location Quantity Length 3 Power jack 1 8 mm flat head Note Make sure you use the correct screw ThinkPad 355x 360x 370C 750x 755C 755Cs 255 ...

Page 266: ... of the battery as required by local ordinances or regulations Safety Notice 4 Translation on page 10 The backup battery is a lithium battery and can cause a fire explosion or severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations ...

Page 267: ...EPROM on the system board contains the vital product data VPD that is system unit serial number system board serial number and other computer unique data When the system board is replaced the system unit serial number must also be restored Use the Set system identification utility on the maintenance diskette to restore the number Do not power off the computer when restoring the VPD The serial numb...

Page 268: ...y moving the power key in the direction of the arrow See the large circle in the figure Before tightening any screws check that the power switch operates correctly 3 Do not pull the PCMCIA slot assembly while removing the system board Use the following table for reference when replacing parts Step Location Quantity Length 1 Hinge bracket 4 4 mm 2 Base cover lower shield 1 4 mm Note Make sure you u...

Page 269: ...he system board can be damaged if the lower shield touches the system board components Carefully follow the next instruction In step 4 gradually raise the system board from the lower shield until all the components of the system board just clear the tabs of the lower shield Be careful not to raise it too far While keeping the clearance to a minimum separate the system board from the lower shield b...

Page 270: ...and off located each corner of the PCMCIA slot is easy to remove Make sure that the screw stand off is positioned when replacing the slot Do not replace the slot without the screw stand Use the following table for reference when replacing parts Step Location Quantity Length 1 PCMCIA slot upper 2 12 mm 2 PCMCIA slot lower 2 14 mm Note Make sure you use the correct screw 260 IBM Mobile Systems HMM ...

Page 271: ...atch 1 then remove the rear connector door by flexing it 2 2015 Foot To replace the foot Align the foot in the open position with one pivot in its hinge in the base cover Press the other pivot point into position with your thumb or finger ThinkPad 355x 360x 370C 750x 755C 755Cs 261 ...

Page 272: ...pack is removed 2 When replacing the battery pack check that the storage switch of the new battery is set to the on position Do not operate the storage switch of a battery that has been used and is going to be re used 3 Check that the keyboard latch springs are in place 262 IBM Mobile Systems HMM ...

Page 273: ...ive 2 Do not put any pressure on the diskette drive cover Remove the diskette drive exactly as shown in the figure 3 Make sure that a diskette is not installed in the drive Removing the drive with a diskette installed causes bending or damaging the eject button After replacing the diskette drive latch the removal strap into the correct position ThinkPad 355x 360x 370C 750x 755C 755Cs 263 ...

Page 274: ...rd disk drive is sensitive to physical shock Incorrect handling can cause damage it and cause permanent loss of data on the hard disk Before removing the hard disk drive have the user make a backup copy of all the information on the hard disk Never remove the hard disk drive while the system is operating or is in suspend mode After replacing the hard disk drive latch the removal strap into the cor...

Page 275: ...en using a screwdriver to remove cover or latches be careful not to Scratch the surface of the computer Break the latches 3 Open the keyboard 4 Remove the leaf spring plate 5 When unlatching the upper cover latches to remove the upper cover use a small screwdriver as shown ThinkPad 355x 360x 370C 750x 755C 755Cs 265 ...

Page 276: ... remove the keyboard unit as shown Warning Do not pull the keyboard cables The keyboard cables can be damaged if the keyboard is disconnected without releasing the three latches 8 Remove the keyboard Use the following table for reference when replacing parts Step Location Quantity Length 2 Upper cover 2 8 mm Note Make sure you use the correct screw 266 IBM Mobile Systems HMM ...

Page 277: ...y inserted Go to Keyboard Auxiliary Input Device Checkout on page 203 and test all keys before returning the computer to the customer 2 When replacing the upper cover insert the two latches located rear side of the cover into the guide of the foot of the LCD push the right left and front sides to snap into place Be careful not to damage the suspend resume switch when putting on the cover ThinkPad ...

Page 278: ...Warning The IC DRAM card is sensitive to physical shock Incorrect handling of the card can damage it The eject tape P N 53G9318 must be used to remove the card Note For Models 370C 755C and 755Cs one of the following combinations occupies the slot depending on the configuration IC DRAM card IC DRAM card base DIMMs on DIMM adapter 268 IBM Mobile Systems HMM ...

Page 279: ...55C 755Cs Battery Pack 2020 Diskette Drive 2030 Press both locks at the same time and remove the DIMM While holding the strap 1 pull the DIMM adapter toward the front 2 to remove it 2 1 ThinkPad 355x 360x 370C 750x 755C 755Cs 269 ...

Page 280: ...front 2 b Raise the rear portion of the plate 3 and remove it 1 2 2 2 1 2 When inserting the DIMM into either connector on the DIMM adapter a Locate the triangle 2 on the right side of the socket b With the notched end of the DIMM 1 toward the triangle insert the DIMM into the socket c Pivot the DIMM until it snaps into place If you have another DIMM to install insert it in the other socket the sa...

Page 281: ...el Battery Pack 2020 Diskette Drive 2030 Insert a coin between the diskette drive bezel and the computer as shown 1 and push the bezel from the bottom of the computer 2 to remove it ThinkPad 355x 360x 370C 750x 755C 755Cs 271 ...

Page 282: ... without releasing the latch in step 2 The status indicator has three latches on its rear and two in its front in step 3 do as follows 1 Release the rear latches with pushing each one with your thumb as shown in the artwork The broken circles in the figure show the locations of the three latches 2 Release the front latches 3 Lift the indicator 272 IBM Mobile Systems HMM ...

Page 283: ...the cable stops Slide both ends of the latches at the same time to make sure that the cable is correctly inserted 2 2 1 Use the following table for reference when replacing parts Step Location Quantity Length 1 Indicator bracket 2 4 mm Note Make sure you use the correct screw ThinkPad 355x 360x 370C 750x 755C 755Cs 273 ...

Page 284: ...020 Keyboard Unit 2040 Status Indicator 2060 LCDConnector 755C Screw holds two flexible cables This figure shows the LCD that does not have a contrast control P N 84G4337 370C 750C 750Cs 755C 755Cs 750 750P 274 IBM Mobile Systems HMM ...

Page 285: ...wn to release the latch from the rear base cover Pull the hinge cover slightly upward to keep it unlatched 6 From the front side remove the latch with a small screwdriver as shown to remove the cover Be careful not to scratch the surface of the computer when you use a screwdriver to remove the latches 7 Remove the four screws Use the following table for reference when replacing parts Safety Notice...

Page 286: ...es necessary gently wipe the LCD with a dry soft cloth Do not use alcohol or detergent to clean the LCD To avoid damaging the LCD do not scratch or apply any force to its surface Do not put anything on the surface of the LCD 276 IBM Mobile Systems HMM ...

Page 287: ...aker Shield Assembly Battery Pack 2020 Diskette Drive 2030 Hard Disk Drive 2035 Keyboard Unit 2040 Status Indicator 2060 LCD Assembly 2070 Models 750x 755C and 755Cs ThinkPad 355x 360x 370C 750x 755C 755Cs 277 ...

Page 288: ...ield assembly with light adhesive This FRU is a separate FRU from the speaker shield assembly 1 Remove the screws 2 Gently raise the speaker shield assembly to avoid damaging the speaker cable and make sure that the shield assembly does not hook the three flexible cables of the keyboard 3 Disconnect the speaker connector 278 IBM Mobile Systems HMM ...

Page 289: ...on at the left rear corner of the computer base Use the following table for reference when replacing parts Notes 1 1d shows the correct position of the spacer 2 2 is a shield for radio frequency interference Step Location Quantity Length 1a Speaker shield 4 4 mm 1b Hard disk drive connector 2 6 mm 1c System board 1 16 mm 1d System board spacer 1 16 mm 1e Diskette drive connector 2 6 mm Note Make s...

Page 290: ... Drive 2030 Hard Disk Drive 2035 Keyboard Unit 2040 Status Indicator 2060 LCD Assembly 2070 Speaker Shield Assembly 2080 1 1 2090 Interposer Card Battery Pack 2020 Diskette Drive 2030 Hard Disk Drive 2035 Keyboard Unit 2040 Status Indicator 2060 LCD Assembly 2070 Speaker Shield Assembly 2080 Audio Card 2085 280 IBM Mobile Systems HMM ...

Page 291: ...ard 2085 Interposer Card 2090 Notes 1 When replacing the DC DC card put the spacer 5 on the screw hole 2 DC in holder A and spacer 5 are supplied as miscellaneous parts Use the following table for reference when replacing parts Step Location Quantity Length 3 Power jack 1 8 mm flat head Note Make sure you use the correct screw ThinkPad 355x 360x 370C 750x 755C 755Cs 281 ...

Page 292: ...ackup Battery 2105 Standby Battery Battery Pack 2020 Diskette Drive 2030 Model 750x 2 Standby Battery 3 Backup Battery Models 370C 755C and 755Cs 3 Standby Battery 4 Backup Battery 282 IBM Mobile Systems HMM ...

Page 293: ...s Safety Notice 4 Translation on page 10 The backup battery is a lithium battery and can cause a fire explosion or severe burn Do not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use of an incorrect battery can result in ignition or explosi...

Page 294: ...ant The EEPROM on the system board contains the vital product data VPD that is system unit serial number system board serial number and other computer unique data When the system board is replaced the system unit serial number must also be restored Use the Set system identification utility on the maintenance diskette to restore the number Do not power off the computer when restoring the VPD The se...

Page 295: ...ke sure that the PCMCIA cards are removed and the eject levers are not sticking out 3 When replacing the system board assembly align the power key slide hub with the power switch actuator by moving the power key in the direction of the arrow See the large circle in the figure Before tightening any screws check that the power switch operates correctly 4 Do not pull the PCMCIA slot assembly while re...

Page 296: ...e slot assembly is not solidly fixed when it is removed from the system board or the FRU In step 4 gently pull up the bottom of the center area of the connector board edge with your fingers 2 The screw stand located each corner of the PCMCIA slot is easy to remove Make sure that the screw stand is located when replace the slot Do not replace the slot without the screw stand Use the following table...

Page 297: ...Carefully follow the next instruction In step 3 gradually raise the system board from the lower shield until all components of the system board just clear the tabs of the lower shield Be careful not to raise it too far While keeping the clearance to a minimum separate the system board from the lower shield by moving the system board straight forward as shown by step 3 Note In step 1 each screw has...

Page 298: ...3 straight up Do not pull the other areas 2 In step 6 pull both edges of the bracket at the same time Do not pull the center of the bracket Use the following table for reference when replacing parts Step Location Quantity Length 1 Expansion bus lower shield 2 Hex head 1 I O connector lower shield 6 Hex head 4 Processor card 1 6 mm 5 Processor card connector 750x 2 370C 755C 755Cs 1 4 mm Note Make ...

Page 299: ...types of LCD one with a contrast control and one without 3 Brightness Control 4 Status Indicator See Status Indicators on page 228 5 External Input Device Connector 6 PCMCIA Slot 7 PCMCIA Release Lever 8 Keyboard 9 LCD and Keyboard Latch 1ð TrackPoint II 11 Click Button 12 Diskette Eject Button 13 Diskette Drive 14 Fn Key ThinkPad 355x 360x 370C 750x 755C 755Cs 289 ...

Page 300: ...s Indicator 5 External Input Device Connector 6 PCMCIA Slot 7 PCMCIA Release Lever 8 Keyboard 9 LCD and Keyboard Latch 1ð Hard Disk Drive Compartment 11 Battery Compartment 12 Click Buttons 13 Diskette Eject Button 14 Diskette Drive 15 Fn Key 16 TrackPoint II 17 Stylus Pen 290 IBM Mobile Systems HMM ...

Page 301: ... Connector Note Model 355x does not have this connector A multimedia portable expansion unit port replicator or port replicator with PCMCIA can be connected to this interface to support the following features 16 bit AT bus interface Serial port Parallel port Keyboard and mouse HDD connection LED control signals Visual signals Audio signals FDD signals PCMCIA signals Power controls Power line 11 Co...

Page 302: ...llel Connector 7 Interposer Card Connector 8 External Display Connector 9 Reset Pushbutton 1ð System Expansion Connector Note Model 355x does not have this connector 11 External Input Device Connector 12 Hard Disk Drive Connector 13 PCMCIA Slot 14 DC DC Card Connector 15 IC DRAM Card Connector 16 Diskette Drive Connector 292 IBM Mobile Systems HMM ...

Page 303: ...rd Bottom View 1 Power On Password Connector 2 Backup Battery Connector 3 Standby Battery Connector 4 IC DRAM Card Connector 5 Processor Card Connector 750Ce 755C 755Cs ThinkPad 355x 360x 370C 750x 755C 755Cs 293 ...

Page 304: ...Processor Card 370C 750Ce 755C 755Cs 1 System Board Connector DC DC Card Top View 1 External Power Jack 2 Battery Pack Terminal Models 355x 360x Models 370C 750x 755x 294 IBM Mobile Systems HMM ...

Page 305: ...Connector Pen 3 LCD Connector Monochrome and Color 4 LCD Power Connector Color 5 Status Indicator Connector 6 Keyboard TrackPoint II Connector 7 Keyboard Signal Connector 8 Keyboard Signal Connector 9 LCD Open Detect Switch ThinkPad 355x 360x 370C 750x 755C 755Cs 295 ...

Page 306: ...Parts Listing Models 350x 360x 35 1 2 2 3 3 4 7 8 9 10 11 12 13 14 15 16 17 19 20 5 22 21 23 24 25 26 27 21a 28 29 30 29a 23a 17a 18 31 32 33 34 6b 6c 5 6 6a 296 IBM Mobile Systems HMM ...

Page 307: ...5639 6a Speaker Shield Assembly 84G2255 6b Insulator 84G5705 7 Speaker Includes speaker holder 66G3754 8 Interposer Card 355x 360 360C 360Cs 360P 85G0959 Interposer Card 360PE 85G9672 Interposer Card 360CE 360CSE 85G2403 9 DC DC Card 84G2253 10 PCMCIA Slot Assembly 1 slots 355x 84G2273 PCMCIA Slot Assembly 2 slots 360x 66G5121 11 System Board 355x 84G2300 System Board 360 360C 360Cs 360P 84G2252 S...

Page 308: ...ch 66G3761 For Switzerland 66G3758 23 Backup Battery 84G2263 24 Attachment holder 84G2294 25 IC DRAM Card See options 26 Battery Pack Nickel Metal Hydride 84G2144 27 Diskette Drive 3 mode 84G2269 Includes strap reference 28 28 Diskette Drive Removal Strap 66G5123 29 Base Plate 84G2293 30 Bracket Shield 84G5861 31 Internal Modem Card See options Audio Card option 66G5037 32 Fax Audio Spacer 360x 84...

Page 309: ... 84G5900 German Black 84G5898 Greek 84G5913 Hebrew 84G5910 Italian 84G5902 Japanese 84G5916 Latin American 84G5914 Norwegian 84G5908 Portuguese 84G5911 Spanish 84G5905 Swiss French 84G5901 Swiss German 84G5899 Turkish 84G5912 U K English 84G5897 U S English 84G5896 Russian 84G8348 ThinkPad 355x 360x 370C 750x 755C 755Cs 299 ...

Page 310: ...Model 370C 6a 1 2 2 3 3 4 5 8 9 10 11 12 13 14 15 16 17 18 19 20 5 17a 11a 7 21 22 23 24 25 26 27 6 28 29 30 31 32 33 23a 34 35 36 300 IBM Mobile Systems HMM ...

Page 311: ...e 17a Name Label 66G9228 18 Base Cover Assembly includes coil spring insulator foot power switch knob holder latch buttons Base Cover Assembly 29H7544 For Benelux 29H7547 For Japan 29H7545 19 Bezel Diskette Drive 66G5051 20 Cover Option Bay 66G5052 21 Blank Audio Bezel 29H7546 Audio Bezel 84G4292 Supported in Japan and European countries 22 Standby Battery 66G3755 For Belgium Dutch 66G3761 For Swi...

Page 312: ...h 66G0160 Dutch 66G0158 Finnish 66G0157 French 66G0154 German Black 66G6402 Greek 66G0167 Hebrew 66G0164 Italian 66G0156 Japanese 66G0171 Latin American 66G0168 Norwegian 66G0162 Portuguese 66G0165 Spanish 66G0159 Swedish 66G0157 Swiss French 66G0155 Swiss German 66G0153 Turkish 66G0166 U K English 66G0151 U S English 66G0150 Russian 85G7443 302 IBM Mobile Systems HMM ...

Page 313: ...Model 750x 1 2 2 3 3 4 5 6 8 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 27 5 2 8 2 9 3 0 3 1 3 2 2 8 a 1 7 a 1 1 a 7 ThinkPad 355x 360x 370C 750x 755C 755Cs 303 ...

Page 314: ...6G9222 For Germany Gray 66G9223 5 Screw Cover 66G5046 For Germany Gray 66G5075 6 Speaker Shield Assembly 66G5041 7 Speaker Includes speaker holder 66G3754 8 Interposer Card 750 750C 750Cs 66G5044 750P Interposer Card 750Ce 66G9242 9 DC DC Card 750 750C 750Cs 750P 66G5038 DC DC Card 750Ce 66G9226 DC DC Card 750Ce 25 75 MHz 66G9267 10 PCMCIA Slot Assembly 66G5121 11 System Board Assembly 66G5036 750...

Page 315: ... Gray 66G5129 For Japan 66G4590 Base Cover Assembly 750Ce 66G9217 For Netherlands Belgium 66G9219 For Germany Gray 66G9218 For Japan 66G9220 Base Cover Assembly 750Cs 66G4591 For Netherlands Belgium 66G4593 For Germany Gray 66G4592 For Japan 66G4590 Base Cover Assembly 750P 66G5127 For Netherlands Belgium 66G5133 For Germany Gray 66G5130 For Japan 66G4590 19 Bezel Diskette Drive 66G5051 For German...

Page 316: ...abic 66G0163 Belgian 66G0161 Canadian French 66G0169 Danish 66G0160 Dutch 66G0158 Finnish 66G0157 French 66G0154 German Black 66G6402 German Gray 66G0152 Greek 66G0167 Hebrew 66G0164 Icelandic 66G0170 Italian 66G0156 Japanese 66G0171 Latin American 66G0168 Norwegian 66G0162 Portuguese 66G0165 Spanish 66G0159 Swedish 66G0157 Swiss French 66G0155 Swiss German 66G0153 Turkish 66G0166 U K English 66G0...

Page 317: ...Models 755C and 755Cs 6a 1 2 2 3 3 4 5 8 9 10 11 12 13 14 15 16 17 18 19 20 5 17a 11a 7 21 22 23 24 25 26 27 21a 6 28 29 30 31 32 33 23a 34 ThinkPad 355x 360x 370C 750x 755C 755Cs 307 ...

Page 318: ...oard 84G5632 For LCD without a contrast control 11a Processor Card 25 50 MHz 59G4056 Processor Card 25 75 MHz 84G4288 Includes hex head screws nut and screw cover 12 HDD Removal Strap 66G5122 13 Hard Disk Drive Includes strap index 12 170MB 66G5066 340MB 66G5068 540MB 84G4319 810MB 85G0961 14 Lower Shield 84G4291 15 Rear Connector Cover 66G5050 16 PCMCIA Cover 66G5053 Includes bezels and security ...

Page 319: ...o Card 84G4289 30 Keyboard Lock 66G0031 31 TrackPoint II Cap 66G6444 32 Keyboard Assembly See keyboard list 33 Leaf Spring Plate 66G0041 34 Upper Cover 84G4318 Arabic 66G0163 Belgian 66G0161 Canadian French 66G0169 Danish 66G0160 Dutch 66G0158 Finnish 66G0157 French 66G0154 German Black 66G6402 Greek 66G0167 Hebrew 66G0164 Italian 66G0156 Japanese 66G0171 Latin American 66G0168 Norwegian 66G0162 P...

Page 320: ... Models 750x 66G5039 For Models 355x 360x 370C 755C 755Cs 84G2254 PC Card Locking Bar 85G8625 Screw Kit 66G5124 Includes 10 2 5 x 4 mm 10 2 5 x 6 mm 10 2 5 x 8 mm Flat head 10 2 5 x 8 mm 10 2 5 x 16 mm 10 hex stud I O 10 hex stud bus 2 washer for hex stud bus IC DRAM CARD Eject Tape 53G9318 Audio Cable 66G5180 Car Battery Adapter 49G1148 48G9203 label sealed Car Battery Adapter 84G4359 66G9984 lab...

Page 321: ... Basic IC DRAM CARD no parity 8MB 84G5725 4MB 84G5724 16MB 84G5726 Diskette Drive 4 mode 66G5060 Supported in U S only Models 750x AC Adapter 35 W 3 pin 85G1952 For Japan 2 pin 85G6669 AC Adapter 40 W 3 pin U S only 84G4320 AC Adapter 40 W 3 pin 49G2196 For Japan 2 pin 49G2197 Models 755C 755Cs DIMM 4MB 84G4323 DIMM 8MB 84G6545 DIMM 16MB 84G4324 DIMM Adapter Card 84G4322 Diskette Drive 4 mode 66G5...

Page 322: ...se 79F6401 Norwegian 95F5467 Spanish 95F6315 Swedish Finnish 95F5468 Swiss French 95F5711 Swiss German 95F5715 Turkish 95F5467 U K English 95F5741 U S English 95F5741 Keyboard Mouse Cable 54G0444 Tri Connector Wrap Plug 72X8546 PC Test Card 35G4703 Screwdriver Kit 95F3598 ThinkPad 750Ce 82G3891 Hardware Maintenance Diskette This diskette is common for all models of ThinkPad 312 IBM Mobile Systems ...

Page 323: ...ance Germany Spain 13F9979 25H2209 4 Italy 14F0069 25H2223 5 Australia New Zealand 13F9940 25H2205 6 Denmark 13F9997 25H2211 7 Israel 14F0087 25H2225 8 Bangladesh Pakistan Sri Lanka South Africa 14F0015 25H2213 9 Switzerland 14F0051 25H2221 10 Thailand 1838574 25H2219 Notes Models 370C 755C and 755Cs do not support the 30W AC adapter The 30 40W cord is 6 foot long the 35W cord is 6 inches ThinkPad...

Page 324: ...314 IBM Mobile Systems HMM ...

Page 325: ...oms 341 Infrared Related Symptoms 342 Intermittent Problems 342 Undetermined Problems 343 Related Service Procedures 344 Status Indicators 344 How to Run the Diagnostics 345 Error Log 346 Reset Pushbutton 346 Checking the Installed Devices List 346 Password Combinations POP HDP PAP 347 How to Run the Low Level Format 347 PC Test Card LED 347 Fn Key Combinations 348 How To Run the Keyboard Diagnost...

Page 326: ...tem Board Assembly 372 2170 PCMCIA Slot Assembly 373 2180 Processor Card 375 2190 LCD Assembly 377 2195 LCD Rear Cover 755CDV only 378 2200 Lower Shield Assembly 379 2210 Memory Card 380 Locations 381 Front View 381 Rear View 382 Parts Listing 383 Common Option Parts List 386 316 IBM Mobile Systems HMM ...

Page 327: ...2 POST does not complete No beeps or error codes are indicated Symptom to FRU Index on page 331 and then use the No Beep Symptoms table POST beeps but no error codes are displayed Symptom to FRU Index on page 331 and then use the Beep Symptoms table POST detected an error and displayed numeric error codes Symptom to FRU Index on page 331 and then use the Numeric Error Codes table The diagnostic te...

Page 328: ...card or DIMM card from its slot if installed 4 Press and hold the F1 key then power on the computer Hold the F1 key down until the Easy Setup screen appears 5 Select Test and press enter 6 Select Memory and press enter to run the memory test on base memory If an error appears replace the memory card 7 Power off the computer and reinstall the IC DRAM card or DIMM card then power on the computer Ver...

Page 329: ...e system programs from the menu System Board and Processor Card Checkout The processing functions are performed by both the system board and the processor card Processor problems can be caused by either FRU However the processor card generally has a lower probability of failure When a numeric code calls the system board or the processor card as a FRU or the processor card is called by a diagnostic...

Page 330: ...o correct the problem Do not replace a non defective FRU Reseat the three cables Replace the keyboard Replace the Video Card Assembly Replace the system board The following auxiliary input devices are supported for this computer Numeric keypad Mouse PS 2 compatible External keyboard with keyboard mouse cable If any of the above devices do not work reseat the cable connector and repeat the failing ...

Page 331: ...lace the keyboard Replace the interposer card Replace the system board Game Port Checkout Do the following if a joystick problem occurs 1 Connect the Joystick to the Game Port 2 Go to the Easy Setup screen 3 Select an item with the Joystick 4 Press any button of the Joystick 5 Verify all buttons work correctly If either the Joystick or button does not work replace the system board Diskette Drive T...

Page 332: ...power sources as follows 1 Remove the battery pack diskette drive and hard disk drive 2 Connect the AC Adapter and check that power is supplied 3 Install the diskette drive or hard disk drive one at a time and check that power is supplied from each power source 4 Disconnect the AC Adapter remove the hard disk and diskette drive and install the charged battery pack then check that power is supplied...

Page 333: ...onger to allow the over voltage protection circuit to be fully discharged and initialized 3 Plug the AC Adapter cable into the ac power outlet 4 Measure the output voltage of the AC Adapter 5 If the voltage is still not correct replace the AC Adapter Note An audible noise from the AC Adapter does not always indicate a defective adapter Checking Operational Charging To check operational charging us...

Page 334: ...fe Before you do the following steps check the following The correct battery pack is used for the model The storage switch set to on 1 Power off the computer 2 Remove the battery pack and measure the voltage between battery terminals 1 and 4 See the following figure Ni MH Battery Pack T Storage Switch Li ion Battery Pack Note Li ion battery is optional for Model 755CDV Terminal Voltage V dc Signal...

Page 335: ... dc after the recharging replace the battery 4 If the voltage is more than 8 0 V dc measure the resistance between battery terminals 3 and 4 The resistance must be 4 to 30 K ohm If the resistance is not correct replace the battery pack If the resistance is correct replace the DC DC card 5 To check the charging circuit do the following Plug in the AC Adapter with the battery pack removed then power...

Page 336: ...aced go to Undetermined Problems on page 343 If the voltage is outside the normal voltage range do one of the following Try the above test procedures in a different car if one is available Replace the Car Battery Adapter if the computer works correctly with the AC Adapter Note If the output voltage from the cigarette lighter socket of the car is less than 10 5 V dc a continuous noise can be heard ...

Page 337: ...d the diskette drive 3 Remove the standby battery Refer to 2100 Standby Battery and Front IR on page 363 to remove the battery 4 Measure the voltage of the standby battery If the voltage between red and black is 3 5 V dc or greater the voltage is correct Go to Step 10 on page 328 to verify standby battery operation If the voltage is less than 3 5 V dc go to the next step 5 Plug the AC Adapter into...

Page 338: ...ug the AC Adapter 10 Verify the standby battery function by removing and installing the battery pack during suspend mode Note Removing and installing the battery pack during suspend mode should be done within one minute The resume operation must start If the resume operation does not work switching of power from the battery pack to standby battery will not be correct Replace the DC DC card If repl...

Page 339: ...e computer will only enter the standby mode The PC card and application program remain active 3270 Emulation Credit Card Adapter 5250 Emulation Credit Card Adapter Token Ring 16 4 Credit Card Adapter Credit Card Adapter for Ethernet The following conditions prevent the computer from entering the suspend mode While the communication link is running When a serial mouse or external pointing device ha...

Page 340: ...0 Emulation Credit Card Adapter Token Ring 16 4 Credit Card Adapter Credit Card Adapter for Ethernet Events that cause the computer to enter the hibernation mode Pressing the Fn key Fn F12 Timer conditions are satisfied in suspend mode Critical low battery condition Event that causes the computer to exit the hibernation mode The power on switch is operated When power is turned on the hibernation h...

Page 341: ...an be any number If no codes are available use narrative symptoms If the symptom is not listed go to Undetermined Problems on page 343 Note For IBM devices not supported by diagnostic codes of the ThinkPad computers see the manual for that device Numeric Error Codes Symptom Error FRU Action 10X 1 System Board 110 1 Go to Memory Checkout on page 317 2 IC DRAM Card or DIMM Card 3 System Board 111 1 ...

Page 342: ...185 The startup sequence is not valid Suspect that power was off when the startup sequence was being updated 1 Reset the startup sequence in Easy Setup 186 1 System Board 188 1 Set the system identification using the ThinkPad 750Ce hardware maintenance diskette 190 Depleted battery pack was installed when the power was on 1 Go to Checking the Battery Pack on page 324 191XX 1 System Board 2 Process...

Page 343: ...ad error 1 Go to Diskette Drive Test on page 321 2 Diskette 3 Diskette Drive Assembly 604 Non acceptable ID was read from the diskette drive 1 Go to Diskette Drive Test on page 321 2 Diskette Drive Assembly 3 System Board 11XX 1 Serial Device First 2 Communication Cable 3 System Board 12XX 1 Serial Device Second 2 Communication Cable 3 System Board 17XX 1 Hard Disk Drive 2 System Board 24XX 1 Syst...

Page 344: ... Codes If an error is detected by the diagnostic tests a four digit FRU code is displayed The FRU code indicates two suspected FRUs Replace the FRU that is indicated by the two leftmost digits first then replace the FRU indicated by the two rightmost digits No FRU is assigned to code 00 If only one FRU is suspected the other FRU code is filled with zeros See the referenced page before replacing th...

Page 345: ... CD ROM Drive Beep Symptoms Symptom Error FRU Action Continuous beeps System Board One beep and a blank unreadable or flashing LCD 1 Reseat all LCD connectors 2 LCD Assembly 3 Video Card 4 System Board 5 DC DC Card One beep and the message Unable to access boot source 1 Boot device 2 System Board One long two short beeps and a blank or unreadable LCD 1 System Board 2 Video Card 3 LCD Assembly One ...

Page 346: ...2 Speaker 3 DSP Card 4 DC DC Card LCD Related Symptoms The TFT LCD for the notebook computer contains over 921000 thin film transistors TFTs A small number of missing discolored or lighted dots on all the time is characteristic of TFT LCD technology but excessive pixel problems can cause viewing concerns Before Replacing the LCD The LCD should not be replaced unless the number of dots satisfies th...

Page 347: ... horizontal or vertical lines displayed LCD Assembly Model 755CDV Symptoms Symptom Error FRU Action The screen is black when the LCD cover is installed 1 Verify that the LCD cover is firmly installed on the LCD 2 Diagnose the LCD assembly by following LCD Related Symptoms on page 336 The LCD is wavy when the computer is placed on the overhead projector Some overhead projectors interfere with the L...

Page 348: ...alkaline batteries are installed in the remote control 2 Check that two AAA alkaline batteries in the remote control are at their normal energy voltage level 3 Enable the IR port of the computer with the ThinkPad Features program Disable the serial port at this time 4 Refer to the trouble shooting section in the Help menu of the Mind Path Presentation F X program Set up this program following the ...

Page 349: ...f or on but system runs correctly 1 Reseat the status indicator cable 2 Status Indicator 3 Interposer Card 4 System Board Battery power status indicator blinks from green yellow to orange 1 Check that a correct battery is installed 2 Set the battery storage switch to ON 3 Battery Pack 4 DC DC Card 5 System Board Power Related Symptoms Symptom Error FRU Action Power shut down during operation 1 Go ...

Page 350: ...o to Suspend Mode on page 329 and that check that the computer can enter suspend mode 2 Top Cover 3 DC DC Card 4 System Board Battery Fuel Gauge does not go higher than 90 Go to Checking the Battery Pack on page 324 and see the note Memory count size appears differently from actual size Go to Memory Checkout on page 317 System configuration does not match the installed devices Go to Checking the I...

Page 351: ...4 System Board Serial or parallel port device problems 1 Device 2 Device Cable 3 System Board Other Symptoms Note If you cannot find a symptom or error in this list and the problem remains see Undetermined Problems on page 343 Symptom Error FRU Action Errors occur only when Port Replicator is used See Port Replicator Checkout in Common Devices Checkout section PCMCIA slot pin is damaged PCMCIA Slo...

Page 352: ...ind Path Presentation F X program and set the infrared to OFF then observe the symptom Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect such as cosmic radiation electrostatic discharge or software errors FRUs replacement should only be considered when a recurring problems exits When analyzing the intermitte...

Page 353: ... replace the FRU 3 Remove or disconnect all of the following devices a Non IBM devices b Devices attached to the expansion bus connector c Printer mouse and other external devices d Battery pack e Hard disk drive f Diskette drive or the device attached to the diskette drive connector g IC DRAM card or DIMM card h PC Cards Note Remember that removing the hard disk drive an IC DRAM card or any adapt...

Page 354: ...icators The system status indicators show the current computer status in different colors green yellow and orange Symbol Color Meaning Blinking green Speaker sounds Green Battery fully charged Yellow Battery usable Orange Battery low or if is green the operational charge cannot be performed Blinking orange Battery almost depleted Blinking green yellow and orange Battery storage switch is set off O...

Page 355: ... Advanced Diagnostic test by pressing Ctrl A on the basic diagnostic menu screen 7 Select Tool to install the tools 8 Select a device press the space key and install the tool Multiple devices can be selected by repeating this step A mark appears for the selected device 9 Select OK and press Enter if the selection is OK 10 Select a device and press Enter to start the tests 11 Select Test All to tes...

Page 356: ... appears in a gray shade rather than a dark shade on the basic diagnostics screen the device is defective Reseat the device connectors If the symptom remains replace the device or the system board If needed adjust the contrast control to clearly distinguish the shades of the icon If a device that is not installed appears in a dark shade for example FDD 2 appears in a dark shade when NO second FDD ...

Page 357: ...isk 1 Power off the computer 2 Insert the ThinkPad 755Ce hardware maintenance diskette into diskette drive A and power on the computer Note You can use this maintenance diskette for all models 3 Select Format the hard disk from the main menu 4 Select the drive from the menu 5 Follow the instructions on the screen PC Test Card LED The green LED on the PC test card turns on when the PCMCIA test is r...

Page 358: ...6 Reserved F7 LCD CRT display switching F8 Reserved F9 Reserved F10 Reserved F11 Power management mode switching Toggles High power Intelligent Economy F12 Hibernation invocation How To Run the Keyboard Diagnostics Do the following to run the keyboard test 1 Go to the advanced diagnostic screen menu by pressing Ctrl A in Easy Setup menu 2 Go to the keyboard diagnostic test menu by pressing Ctrl K ...

Page 359: ... 40 MB DIMM card adapter CMOS RAM 128 Bytes VGA Video 10 4 inch 64K color TFT LCD color Diskette Drive Removable 0 720 1 2 1 44 2 88MB 4 mode 3 5 inch 0 720 1 44 2 mode 3 5 inch Hard Disk Drive Removable 340MB 2 5 inch 540MB 2 5 inch 810MB 2 5 inch Super Video Card Video accelerator Video capture overlay Video composite In Out CD ROM 5 inch Double speed IDE interface DSP Card Microphone jack Headp...

Page 360: ...rtain to replacement See Locations for internal cable connections and arrangement information When replacing a FRU use the correct screw size as shown in the procedures Safety Notice 8 Translation on page 13 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables Safety Notice 3 Translation...

Page 361: ...remove the rear connector door by flexing it 2 2015 Foot To replace the foot Align the foot in the open position with one pivot in its hinge in the base cover Press the other pivot point into position with your thumb or finger ThinkPad 755CD 755CDV 9545 351 ...

Page 362: ... battery pack is removed 2 When replacing the battery pack check that the storage switch of the new battery is set to the on position Do not operate the storage switch of a battery that has been used and is going to be re used 3 Check that the keyboard latch springs are in place 352 IBM Mobile Systems HMM ...

Page 363: ...exactly as shown in the figure Do not apply any extra force to the CD ROM Diskette drive when removing it Warning When replacing the CD ROM diskette drive check that the standby battery is seated correctly to prevent damage to the drive ThinkPad 755CD 755CDV 9545 353 ...

Page 364: ...d disk Before removing the hard disk drive have the user make a backup copy of all the information on the hard disk Never remove the hard disk drive while the system is operating or is in suspend mode Note Remove the hard disk drive exactly as shown in the figure Do not apply any extra force to the hard disk drive when removing it Warning After replacing the hard disk drive latch the removal strap...

Page 365: ...s the slot depending on the configuration IC DRAM card IC DRAM card base DIMMs on DIMM adapter If the IC DRAM Card is installed Warning The IC DRAM card is sensitive to physical shock Incorrect handling of the card can damage it The eject tape P N 53G9318 must be used to remove the card ThinkPad 755CD 755CDV 9545 355 ...

Page 366: ...If the DIMM Adapter is installed Press both locks at the same time and remove the DIMM While holding the strap A pull the DIMM adapter toward the front to remove it 356 IBM Mobile Systems HMM ...

Page 367: ...ard the front b Raise the rear portion of the plate and remove it 2 When inserting the DIMM into either connector on the DIMM adapter a Locate the triangle A on the right side of the socket b With the notched end of the DIMM B toward the triangle insert the DIMM into the socket c Pivot the DIMM until it snaps into place If you have another DIMM to install insert it in the other socket the same way...

Page 368: ...2060 Keyboard Spacer 358 IBM Mobile Systems HMM ...

Page 369: ...ve 2030 Battery Pack 2020 Loosen the three screws 2 and 3 and push 4 to release the five top cover latches at the rear side of the system unit When removing the screw covers 1 use a small screwdriver ThinkPad 755CD 755CDV 9545 359 ...

Page 370: ...ate Notes 1 When replacing the keyboard check that the three cables are clean and inserted straight and fully into the connectors Slide both ends of each latch at the same time to make sure that each cable is correctly inserted Go to Keyboard Auxiliary Input Device Checkout on page 320 and test all keys before returning the computer to the customer 2 When replacing the top cover insert the four la...

Page 371: ...Step Location Quantity Length 2 Top cover 1 14 mm 3 Top cover 2 4 mm 6 Top cover 1 4 mm Note Make sure you use the correct screw ThinkPad 755CD 755CDV 9545 361 ...

Page 372: ...h in step 2 Note When replacing the indicator insert the flexible cable straight into the connector until the head of the cable stops Slide both ends of the latches at the same time to make sure that the cable is correctly inserted 1 2 2 Use the following table for reference when replacing parts Step Location Quantity Length 1 LED Stand off 2 14 mm Note Make sure you use the correct screw 362 IBM ...

Page 373: ...R lens 2 is in the correct position by sliding it end to end Safety Notice 2 Translation on page 8 The standby battery contains a small amount of nickel and cadmium Do not disassemble it recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Step Location Quantity Length 1 cover 1 4 mm Note Make sure you use the correct scr...

Page 374: ...not recharge it remove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use of an incorrect battery can result in ignition or explosion of the battery Replacement batteries can be ordered from IBM or IBM Authorized Dealers 364 IBM Mobile Systems HMM ...

Page 375: ...ery 2110 The screw 1 is located at the rear bottom side See next page Note When replacing the logic assembly align the power key slide hub with the power switch actuator by moving the power key in the direction of the arrow See the large circle in the figure Before tightening any screws check that the power switch operates correctly ThinkPad 755CD 755CDV 9545 365 ...

Page 376: ...Step Location Quantity Length 1 Logic assembly 1 4 mm 4 Logic assembly 4 8 mm Note Make sure you use the correct screw 366 IBM Mobile Systems HMM ...

Page 377: ...rd Unit 2080 Status Indicator 2090 Standby Battery and Front IR 2100 Backup Battery 2110 Logic Assembly 2115 Step Location Quantity Length 1 Shield assembly 3 4 mm 2 Shield assembly 3 14 mm 3 Shield assembly 1 8 mm Note Make sure you use the correct screw ThinkPad 755CD 755CDV 9545 367 ...

Page 378: ...Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 The connector is located under A Do 4 and 5 after step 3 to remove the rear IR 5 5 B B 4 4 368 IBM Mobile Systems HMM ...

Page 379: ...0 Battery Pack 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 Video Card or Rear IR 2125 ThinkPad 755CD 755CDV 9545 369 ...

Page 380: ... 2100 Logic Assembly 2115 Shield Assembly 2120 Video Card or Rear IR 2125 DC DC Card 2130 Remove the following Mini Jack Holder Modem Guide Modem Lever Microphone Cable Use the following table for reference when replacing parts Step Location Quantity Length 1 DSP card 1 8 mm 2 DSP card 1 14 mm Note Make sure you use the correct screw 370 IBM Mobile Systems HMM ...

Page 381: ...k 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 Video Card or Rear IR 2125 DC DC Card 2130 DSP Card 2140 ThinkPad 755CD 755CDV 9545 371 ...

Page 382: ... 2180 Notes 1 Before removing and replacing the system board make sure that the PCMCIA cards are removed and the eject levers are not sticking out 2 When replacing the system board assembly align the power key slide hub with the power switch actuator by moving the power key in the direction of the arrow See the large circle in the figure Before tightening any screws check that the power switch ope...

Page 383: ...125 DC DC Card 2130 DSP Card 2140 Interposer Card 2150 Processor Card 2180 Notes 1 When handling the PCMCIA slot assembly be careful not to disassemble any part of it The slot assembly is not solidly fixed when it is removed from the system board or the FRU In step 3 gently pull up the bottom of the center area of the connector board edge with your fingers 2 The screw stand at each corner of the P...

Page 384: ...e slot is replaced Do not replace the slot without the screw stand Use the following table for reference when replacing parts Step Location Quantity Length 1 PCMCIA slot upper 2 4 mm 2 PCMCIA slot lower 2 14 mm Note Make sure you use the correct screw 374 IBM Mobile Systems HMM ...

Page 385: ...k 2020 Hard Disk Drive 2040 Keyboard Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Turn the system board upside down Then remove any metal tape holding the card ThinkPad 755CD 755CDV 9545 375 ...

Page 386: ...Note If the processor card is not installed correctly the computer may not turn on Reinstall the card in this case Use the following table for reference when replacing parts Step Location Quantity Length 1 Processor card assembly 14 mm Note Make sure you use the correct screw 376 IBM Mobile Systems HMM ...

Page 387: ... for reference when replacing parts Safety Notice 5 Translation on page 11 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands immediately wash the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing Step Location Quantity Length 3 LCD hinge 4 4 mm Note Make sure you use the correct screw ...

Page 388: ...nt to clean the LCD To avoid damaging the LCD do not scratch or apply any force to its surface 2195 LCD Rear Cover 755CDV only Slightly push out and release the latches 1 1 1 Note Do not touch the film 2 on the rear cover while the cover is removed from the LCD 2 378 IBM Mobile Systems HMM ...

Page 389: ...board Unit 2080 Status Indicator 2090 Backup Battery 2110 Standby Battery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 Video Card or Rear IR 2125 DC DC Card 2130 DSP Card 2140 Interposer Card 2150 Processor Card 2180 System Board Assembly 2160 ThinkPad 755CD 755CDV 9545 379 ...

Page 390: ...tery and Front IR 2100 Logic Assembly 2115 Shield Assembly 2120 Video Card or Rear IR 2125 DC DC Card 2130 DSP Card 2140 Interposer Card 2150 Processor Card 2180 System Board Assembly 2160 Lower Shield Assembly 2200 Note If the computer does not complete POST after changing the memory card reseat the card and try again 380 IBM Mobile Systems HMM ...

Page 391: ...tatus Indicators on page 344 5 External Input Device Connector 6 Video In Port 7 Video Out Port 8 PCMCIA Slot 9 Keyboard 1ð LCD and Keyboard Latch 11 Click Button 12 CD ROM Drive 13 Front Infrared Port 14 Fn Key 15 TrackPoint III 16 Volume Knob 17 Built in Speaker ThinkPad 755CD 755CDV 9545 381 ...

Page 392: ...Expansion Connector A multimedia portable expansion unit port replicator or port replicator with PCMCIA can be connected to this interface to support the following features 16 bit AT bus interface Serial port Parallel port Keyboard and mouse HDD connection LED control signals Visual signals Audio signals FDD signals PCMCIA signals Power controls Power line 12 Rear Infrared Port 382 IBM Mobile Syst...

Page 393: ...Parts Listing 2 2 3 3 4 4 5 6 7 31 32 44 45 43 42 8 10 9 41 40 11 14 12 39 38 37 17 16 35 36 33 34 18 21 19 29 30 28 27 20 23 24 25 26 15 13 22 1a 1 ThinkPad 755CD 755CDV 9545 383 ...

Page 394: ...Rear Connector Cover 85G1888 22 IR Lens Rear 85G1925 23 Base Cover Assembly 755CD 85G1881 For Japan 85G1883 Base Cover Assembly 755CDV 85G1107 For Japan 85G1108 24 PCMCIA Device See options 25 PCMCIA Cover 85G1511 Includes bezels and security plate 26 Name Label 66G9228 27 Cover Option Bay 85G1892 28 AV Door 84G6551 29 IR Lens front 84G6548 30 IR Assembly front 84G6549 31 Processor Card 33 100 MHz...

Page 395: ...nel 85G1919 Diskette Drive 4 mode 66G5060 Diskette Drive 3 mode 84G2269 Diskette Drive Removal Strap 66G5123 Bezel Diskette Drive 85G1889 Foot right left 84G4326 AC Adapter 35W 3 pin 85G4952 For Japan 2 pin 85G6669 DC Plug 4 pin 2 pin 85G6664 Extension DC Cable 755CDV 85G7466 DC Plug 4 pin 2 pin 85G6664 EMI Spring Plate 85G1066 DC Adapter Cable 755CV 85G7466 Strap 755CDV 85G1104 Computer Stand 755...

Page 396: ...udes modem guide DC in holder spacer for video card bracket for s card holder for s card modem lever TV tuner label Screw Kit 85G1935 Includes 20 2 5 x 6 mm 10 2 5 x 4 mm 20 2 5 x 8 mm 10 2 5 nut 10 hex stud bus 10 washer bus 10 spring lock washers 10 2 5 x 8 mm flat head 10 2 6 x 5 mm deform screw IC DRAM CARD Eject Tape 53G9318 Austria 59G1041 Australia 59G1040 Belgium 43G3414 Denmark 59G1042 Fi...

Page 397: ...58G4348 U K 58G4345 AC Adapter 40W 49G2196 For Japan 49G2197 AC Adapter 100 125 V ac 40W 84G4320 For U S only Audio Cable 66G5180 Battery Pack Li ion for 755CDV 85G8554 Car Battery Adapter 49G1148 Small Car Battery Adapter 84G4359 Diskette Drive Attachment Unit 66G5069 IC DRAM CARD 2MB 07G1414 IC DRAM CARD 4MB 07G1415 IC DRAM CARD 8MB 07G1416 IC DRAM CARD 16MB 66G0094 Microphone 66G7871 PS 2 Minia...

Page 398: ...15 Turkish 95F5467 U K English 95F5741 U S English 95F5741 French 84G6286 German 84G6280 Italian 84G6292 Swedish 84G6304 Norway 84G6310 U K English 84G6298 U S English 84G2530 French 84G6285 German 84G6279 Italian 84G6291 Swedish 84G6303 Norway 84G6309 U K English 84G6297 U S English 84G2529 Keyboard Mouse Cable 54G0444 Tri Connector Wrap Plug 72X8546 PC Test Card 35G4703 Audio Wrap Cable 66G5180 ...

Page 399: ...g Kong Singapore U K 14F0033 25H2215 3 France Germany Spain 13F9979 25H2209 4 Italy 14F0069 25H2223 5 Australia New Zealand 13F9940 25H2205 6 Denmark 13F9997 25H2211 7 Israel 14F0087 25H2225 8 Bangladesh Pakistan Sri Lanka South Africa 14F0015 25H2213 9 Switzerland 14F0051 25H2221 10 Thailand 1838574 25H2219 Note The 30 40W cord is 6 feet long the 35W cord is 6 inches ThinkPad 755CD 755CDV 9545 38...

Page 400: ...390 IBM Mobile Systems HMM ...

Page 401: ...elated Symptoms 418 Other Symptoms 418 Intermittent Problems 418 Undetermined Problems 419 Related Service Procedures 420 Status Indicators 420 How to Run the Diagnostics 421 Error Log 421 Reset Pushbutton 422 Checking the Installed Devices List 422 Password Combinations 422 How to Run the Low Level Format 423 PC Test Card LED 423 Fn Key Combinations 423 How To Run the Keyboard Diagnostics 424 Pro...

Page 402: ... Assembly 448 1170 PCMCIA Slot Assembly 449 1180 Processor Card 451 1190 LCD Assembly 453 1195 LCD Rear Cover 755CV only 455 1200 Lower Shield Assembly 456 1210 Memory Card 457 Locations 458 Front View 458 Rear View 459 Parts Listing 460 Common Option Parts List 464 392 IBM Mobile Systems HMM ...

Page 403: ... POST does not complete No beeps or error codes are indicated Symptom to FRU Index on page 408 and then use the No Beep Symptoms table POST beeps but no error codes are displayed Symptom to FRU Index on page 408 and then use the Beep Symptoms table POST detected an error and displayed numeric error codes Symptom to FRU Index on page 408 and then use the Numeric Error Codes table The diagnostic tes...

Page 404: ...or 1 Power off the computer and remove the IC DRAM card or DIMM card from its slot if installed 2 Press and hold the F1 key then power on the computer Hold the F1 key down until the Easy Setup screen appears 3 Select Test and press enter 4 Select Memory and press enter to run the memory test on base memory If an error appears replace the memory card 5 Power off the computer and reinstall the IC DR...

Page 405: ...ert the System Program Service Diskette into drive A and power on the computer 3 Select Update system programs from the menu System Board and Processor Card Checkout The processing functions are performed by both the system board and the processor card Processor problems can be caused by either FRU However the processor card generally has a lower probability of failure When a numeric code calls th...

Page 406: ...d a black square briefly appears If the tests detect a keyboard problem do the following one at a time to correct the problem Do not replace a non defective FRU Reseat the three cables Replace the keyboard Replace the interposer card Replace the system board The following auxiliary input devices are supported for this computer Numeric keypad Mouse PS 2 compatible External keyboard with keyboard mo...

Page 407: ...FRU Reseat the three keyboard cables Replace the keyboard Replace the interposer card Replace the system board Diskette Drive Test Do the following to isolate the problem to a controller drive or diskette A scratch write enabled non defective 2HD diskette is required Note Make sure that the diskette does not have more than one label attached to it Multiple labels can cause damage to the drive or c...

Page 408: ... battery pack then check that power is supplied by battery pack If you suspect a power problem see the appropriate power supply check listed below Checking the AC Adapter Checking Operational Charging on page 399 Checking the Battery Pack on page 399 Checking the Car Battery Adapter on page 402 Checking the Travel Quick Charger on page 403 Checking the Backup Battery on page 403 Checking the Stand...

Page 409: ...charging use a discharged battery pack or a battery pack that shows a yellow or orange battery status indicator when it installed in the computer Perform operational charging If the battery status indicator turns orange and the battery charging indicator turns green within two minutes replace the AC Adapter Checking the Battery Pack Battery charging will not start until the Fuel Gauge shows that l...

Page 410: ...nd measure the voltage between battery terminals 1 and 4 See the following figure Ni MH Battery Pack T Storage Switch Terminal Voltage V dc Signal 1 8 0 to 16 0 2 Send 3 Thermal 4 Ground 5 NC 6 NC 7 NC 400 IBM Mobile Systems HMM ...

Page 411: ...ing circuit If the voltage is still less than 8 0 V dc after the recharging replace the battery 4 If the voltage is more than 8 0 V dc measure the resistance between battery terminals 3 and 4 The resistance must be 4 to 30 K ohm If the resistance is not correct replace the battery pack If the resistance is correct replace the DC DC card 5 To check the charging circuit do the following Note Be care...

Page 412: ...working correctly Replace the system board If the problem is not resolved when the system board is replaced go to Undetermined Problems on page 419 If the voltage is outside the normal voltage range do one of the following Try the above test procedures in a different car if one is available Replace the Car Battery Adapter if the computer works correctly with the AC Adapter Notes 1 If the output vo...

Page 413: ...avel Quick Charger Checking the Backup Battery 1 Power off the computer and unplug the AC Adapter from the computer 2 Open the keyboard and remove the battery pack 3 Remove the backup battery from the shield assembly 4 Measure the voltage of the backup battery See the following figure If the voltage is correct replace the system board If the voltage is not correct the backup battery has been disch...

Page 414: ...n the system board If the voltage is less than 4 0 V dc replace the DC DC card If the voltage is still low replace the system board If the voltage is more than 4 0 V dc power off the computer replace the standby battery and go to the next step 7 Ensure that the AC Adapter is plugged into the computer then power on the computer 8 Charging of the standby battery starts A depleted battery needs appro...

Page 415: ...d by the feature utility Events that cause the computer to exit the standby mode resume Any key operation Suspend Mode When in suspend mode the following occur The LCD backlight turns off The LCD power is powered off The hard disk is powered off The CPU is stopped In the ThinkPad Features Program the computer can be set to Will not suspend even if LCD is closed When the computer is powered with ac...

Page 416: ... serial or PCMCIA device Resume The Fn key is pressed Hibernate Timer conditions are satisfied to enter the hibernation mode Hibernation Mode When in hibernation mode the following occurs The system status RAM VRAM and setup data are stored on the hard disk The system is powered off The computer cannot enter the hibernation mode if the computer is powered with ac power and one of the following IBM...

Page 417: ...icator suspect an over current problem Some PCMCIA devices use more than the recommended maximum power If the maximum usage for each device occurs simultaneously the total current can exceed the replicator power limit thereby causing a power shut down Isolate this problem by removing one of the devices and using the computer under the same condition to see whether a power shut down occurs Do this ...

Page 418: ... are available use narrative symptoms If the symptom is not listed go to Undetermined Problems on page 419 Note For IBM devices not supported by diagnostic codes of the ThinkPad computers see the manual for that device Numeric Error Codes Symptom Error FRU Action 10X 1 System Board 110 1 Go to Memory Checkout on page 393 2 IC DRAM Card or DIMM Card 3 System Board 111 1 Go to Memory Checkout on pag...

Page 419: ...Easy Setup 185 The startup sequence is not valid Suspect that power was off when the startup sequence was being updated 1 Reset the startup sequence in the Easy Setup 186 1 System Board 188 1 Set the system identification using the ThinkPad 750Ce hardware maintenance diskette 190 Depleted battery pack was installed when the power was on 1 Go to Checking the Battery Pack on page 399 191XX 1 System ...

Page 420: ...04 Non acceptable ID was read from the diskette drive 1 Go to Diskette Drive Test on page 397 2 Diskette Drive Assembly 3 System Board 11XX 1 Serial Device First 2 Communication Cable 3 System Board 12XX 1 Serial Device Second 2 Communication Cable 3 System Board 17XX 1 Hard Disk Drive 2 System Board 24XX 1 System Board 4101 1 Reseat the LCD connector Pen see 1190 LCD Assembly on page 453 2 LCD As...

Page 421: ...he diagnostic tests a four digit FRU code is displayed The FRU code indicates two suspected FRUs Replace the FRU that is indicated by the two leftmost digits first then replace the FRU indicated by the two rightmost digits No FRU is assigned to code 00 If only one FRU is suspected the other FRU code is filled with zeros See the referenced page before replacing the FRU FRU Code FRU Action 10 System...

Page 422: ...U Action Continuous beeps System Board One beep and a blank unreadable or flashing LCD 1 Reseat all LCD connectors 2 LCD Assembly 3 System Board 4 DC DC Card One beep and the message Unable to access boot source 1 Boot device 2 System Board One long two short beeps and a blank or unreadable LCD 1 System Board 2 LCD Assembly One long beep followed by four short beeps each time the power switch is o...

Page 423: ...0 thin film transistors TFTs A small number of missing discolored or lighted dots on all the time is characteristic of TFT LCD technology but excessive pixel problems can cause viewing concerns The LCD should be replaced if the number of dots satisfies the following condition The number of missing discolored or lighted dots in any colored background is 21 or more Note For Model 755CV see also Mode...

Page 424: ... computer Use another overhead projector The LCD stays on even when the LCD cover is removed Make sure that the switch on the rear of the LCD is not stuck If it is stuck release it with the tip of a ball point pen Abnormal screen Uneven color on the screen Spot on the screen 1 Check that the white film on the LCD cover is clean Gently wipe the film with a dry soft cloth such as a lens cleaner 2 LC...

Page 425: ...elp menu of the Mind Path Presentation F X program Set up this program following the guide 5 If the preceding items are correct the radiation from the light of the overhead projector might be interfering the IR port of the computer Disable the rear IR port of the computer and use the remote control with the front IR port 6 Use the remote control with another computer which IR port works normally I...

Page 426: ...ains off or on but system runs correctly 1 Reseat the status indicator cable 2 Status Indicator 3 Interposer Card 4 System Board Battery power status indicator blinks from green yellow to orange 1 Check that a correct battery is installed 2 Set the battery storage switch to ON 3 Battery Pack 4 DC DC Card 5 System Board Power Related Symptoms Symptom Error FRU Action Power shut down during operatio...

Page 427: ...0 Go to Checking the Battery Pack on page 399 and see the note Memory count size appears differently from actual size Go to Memory Checkout on page 393 System configuration does not match the installed devices Go to Checking the Installed Devices List on page 422 System hangs intermittently Go to Intermittent Problems on page 418 Peripheral Device Related Symptoms Symptom Error FRU Action External...

Page 428: ...Note If you cannot find a symptom or error in this list and the problem remains see Undetermined Problems on page 419 Symptom Error FRU Action Errors occur only when Port Replicator is used See Port Replicator Checkout in Common Devices Checkout section PCMCIA slot pin is damaged PCMCIA Slots Assembly Intermittent Problems Intermittent system hang problems can be caused by a variety of reasons tha...

Page 429: ...ally check them for damage If any problems are found replace the FRU 3 Remove or disconnect all of the following devices a Non IBM devices b Devices attached to the expansion bus connector c Printer mouse and other external devices d Battery pack e Hard disk drive f Diskette drive or the device attached to the diskette drive connector g IC DRAM card or DIMM card h PC Cards Note Remember that remov...

Page 430: ...ow the current computer status in different colors green yellow and orange Symbol Color Meaning Blinking green Speaker sounds Green Battery fully charged Yellow Battery usable Orange Battery low or if is green the operational charge cannot be performed Blinking orange Battery almost depleted All blinking Battery storage switch is set off Orange green or yellow if is blinking twice every 3 seconds ...

Page 431: ...ices can be selected by repeating this step A mark appears for the selected device 9 Select OK and press Enter if the selection is OK 10 Select a device and press Enter to start the tests 11 Select Test All to test all devices 12 Select Loop Test to loop tests A loop option menu appears in which a device loop or all loop can be selected Select a device and press the space key to select a device Re...

Page 432: ...d appears in a dark shade for example FDD 2 appears in a dark shade when NO second FDD is installed do the following 1 Replace the first device such as a FDD 1 HDD 1 or PCMCIA 1 2 If the problem remains replace the system board PCMCIA 1 Parallel and Serial icons are always displayed in dark shade because the icons represent subsystems of the system board and not attachment of the devices The HDD 1...

Page 433: ...rectly by reseating the card If it still does not turn on after it is reseated try using another slot for the test If the LED still does not turn on and the test fails replace the FRU shown in the diagnostic error code Fn Key Combinations The following table shows the Fn key and function key combinations and their corresponding functions The Fn key works independently from the operating system The...

Page 434: ...el DX4 100 33 MHz 755CX P54C 75 MHz w L2 cache Bus Architecture AT Bus VESA Local Bus for video subsystem Memory Standard 8MB on the system board Memory Option 2 4 8 16MB Basic IC DRAM card max 16 MB 4 16MB DIMM card max 32 MB DIMM card adapter CMOS RAM 128 Bytes VGA Video 755CE 755CV 10 4 inch 65536 colors TFT color LCD 755CSE 10 4 inch 256 colors STN color LCD 755CX 10 4 inch 65536 colors VGA TF...

Page 435: ...Feature Description IR Two IR ports PCMCIA One Type III or two Type II ThinkPad 755CE 755CSE 755CV 755CX 9545 425 ...

Page 436: ...rtain to replacement See Locations for internal cable connections and arrangement information When replacing a FRU use the correct screw size as shown in the procedures Safety Notice 8 Translation on page 13 Before removing any FRU power off the computer unplug all power cords from electrical outlets remove the battery pack and then disconnect any interconnecting cables Safety Notice 3 Translation...

Page 437: ... the rear connector door by flexing it 2 1015 Foot To replace the foot Align the foot in the open position with one pivot in its hinge in the base cover Press the other pivot point into position with your thumb or finger ThinkPad 755CE 755CSE 755CV 755CX 9545 427 ...

Page 438: ...pack is removed 2 When replacing the battery pack check that the storage switch of the new battery is set to the on position Do not operate the storage switch of a battery that has been used and is going to be re used 3 Check that the keyboard latch springs are in place 428 IBM Mobile Systems HMM ...

Page 439: ...te drive Make sure the media is removed or the media and the drive may be damaged Warning When replacing the diskette drive check that the backup battery and standby battery are seated correctly to prevent damage to the diskette drive After replacing the diskette drive latch the removal strap into the correct position ThinkPad 755CE 755CSE 755CV 755CX 9545 429 ...

Page 440: ... Before removing the hard disk drive have the user make a backup copy of all the information on the hard disk Never remove the hard disk drive while the system is operating or is in suspend mode 2 Remove the hard disk drive exactly as shown in the figure Do not apply any extra force to the hard disk drive when removing it Note After replacing the hard disk drive latch the removal strap into the co...

Page 441: ... slot depending on the configuration IC DRAM card IC DRAM card base DIMMs on DIMM adapter If the IC DRAM Card is installed Warning The IC DRAM card is sensitive to physical shock Incorrect handling of the card can damage it The eject tape P N 53G9318 must be used to remove the card ThinkPad 755CE 755CSE 755CV 755CX 9545 431 ...

Page 442: ...If the DIMM Adapter is installed Press both locks at the same time and remove the DIMM While holding the strap A pull the DIMM adapter toward the front to remove it 432 IBM Mobile Systems HMM ...

Page 443: ...e front b Raise the rear portion of the plate and remove it 2 When inserting the DIMM into either connector on the DIMM adapter a Locate the triangle A on the right side of the socket b With the notched end of the DIMM B toward the triangle insert the DIMM into the socket c Pivot the DIMM until it snaps into place If you have another DIMM to install insert it in the other socket the same way Think...

Page 444: ...rive Bezel Battery Pack 1020 Diskette Drive 1030 Insert a coin between the diskette drive bezel and the computer as shown 1 and push the bezel from the bottom of the computer 2 to remove it 434 IBM Mobile Systems HMM ...

Page 445: ...ery Pack 1020 Loosen the three screws 2 and push 3 to release the four top cover latches at the rear side of the system unit When removing the screw covers 1 use a small screwdriver ThinkPad 755CE 755CSE 755CV 755CX 9545 435 ...

Page 446: ...e both ends of each latch at the same time to make sure that each cable is correctly inserted Go to Keyboard Auxiliary Input Device Checkout on page 396 and test all keys before returning the computer to the customer 2 When replacing the top cover insert the four latches at the rear side of the cover into the foot guide of the LCD push the right left and front sides to snap it into place Use the f...

Page 447: ...When replacing the indicator insert the flexible cable straight into the connector until the head of the cable stops Slide both ends of the latches at the same time to make sure that the cable is correctly inserted 1 2 2 Use the following table for reference when replacing parts Step Location Quantity Length 1 LED Stand off 2 6 mm Note Make sure you use the correct screw ThinkPad 755CE 755CSE 755C...

Page 448: ...e IR Lens 2 is in the correct position by sliding it end to end Safety Notice 2 Translation on page 8 The standby battery contains a small amount of nickel and cadmium Do not disassemble it recharge it throw it into fire or water or short circuit it Dispose of the battery as required by local ordinances or regulations Step Location Quantity Length 1 cover 1 4 mm Note Make sure you use the correct ...

Page 449: ...emove its polarized connector disassemble it heat it above 100 C 212 F incinerate it or expose its cell contents to water Dispose of the battery as required by local ordinances or regulations Use of an incorrect battery can result in ignition or explosion of the battery Replacement batteries can be ordered from IBM or IBM Authorized Dealers ThinkPad 755CE 755CSE 755CV 755CX 9545 439 ...

Page 450: ...Battery Pack 1020 Diskette Drive 1030 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 The screw 1 is located at the rear bottom side See next page 440 IBM Mobile Systems HMM ...

Page 451: ...by moving the power key in the direction of the arrow 1 See the large circle in the figure Before tightening any screws check that the power switch operates correctly Step Location Quantity Length 1 Bottom cover 1 4 mm 5 Logic assembly 4 8 mm Note Make sure you use the correct screw ThinkPad 755CE 755CSE 755CV 755CX 9545 441 ...

Page 452: ...k 1020 Diskette Drive 1030 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 Backup Battery 1110 Logic Assembly 1115 See the next page when you replace the parts 442 IBM Mobile Systems HMM ...

Page 453: ...ng to place the cable in its correct position 1 Position the cable as shown 2 Install the shield assembly 3 Move the end of cable to the right The following figure shows the final path of the cable Make sure the cable is not positioned in any shaded area ThinkPad 755CE 755CSE 755CV 755CX 9545 443 ...

Page 454: ...for reference when replacing parts Step Location Quantity Length 1 Shield cover 1 4 mm 2 Shield cover 2 6 mm 3 Shield cover 1 14 mm 4 Shield cover 1 Flat head Note Make sure you use the correct screw 444 IBM Mobile Systems HMM ...

Page 455: ...ck 1020 Diskette Drive 1030 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 Backup Battery 1110 Logic Assembly 1115 Shield Assembly 1120 ThinkPad 755CE 755CSE 755CV 755CX 9545 445 ...

Page 456: ...Backup Battery 1110 Logic Assembly 1115 Shield Assembly 1120 DC DC Card 1130 Remove the following Mini Jack Holder Modem Guide Modem Lever Microphone Cable Use the following table for reference when replacing parts Step Location Quantity Length 1 DSP card 1 6 mm 2 DSP card 1 14 mm Note Make sure you use the correct screw 446 IBM Mobile Systems HMM ...

Page 457: ...d Front IR 1100 Backup Battery 1110 Logic Assembly 1115 Shield Assembly 1120 DC DC Card 1130 DSP Card 1140 Where A is the Rear IR B is the Interposer Card Use the following table for reference when replacing parts Step Location Quantity Length 1 Interposer card 1 4 mm Note Make sure you use the correct screw ThinkPad 755CE 755CSE 755CV 755CX 9545 447 ...

Page 458: ...is system unit serial number system board serial number and other computer unique data When the system board is replaced the system unit serial number must also be restored Use the Set system identification utility on the maintenance diskette to restore the number Do not power off the computer when restoring the VPD The serial number label is attached to the bottom cover Notes 1 Before removing an...

Page 459: ...rposer Card and Rear IR 1150 Processor Card 1180 System Board Assembly 1160 Notes 1 When handling the PCMCIA slot assembly be careful not to disassemble any part of it The slot assembly is not solidly fixed when it is removed from the system board or the FRU In step 3 gently pull up the bottom of the center area of the connector board edge with your fingers 2 The screw stand at each corner of the ...

Page 460: ...e slot is replaced Do not replace the slot without the screw stand Use the following table for reference when replacing parts Step Location Quantity Length 1 PCMCIA slot upper 2 4 mm 2 PCMCIA slot lower 2 14 mm Note Make sure you use the correct screw 450 IBM Mobile Systems HMM ...

Page 461: ...0 Hard Disk Drive 1040 Keyboard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 Backup Battery 1110 Logic Assembly 1115 Turn the system board upside down Then remove any metal tape holding the card ThinkPad 755CE 755CSE 755CV 755CX 9545 451 ...

Page 462: ...Note If the processor card is not installed correctly the computer may not turn on Reinstall the card in this case Use the following table for reference when replacing parts Step Location Quantity Length 1 Processor card assembly 14 mm Note Make sure you use the correct screw 452 IBM Mobile Systems HMM ...

Page 463: ...moving the LCD cables 1 pull the connector straight up Incorrect handling can damage the connector Use the following table for reference when replacing parts Step Location Quantity Length 3 LCD hinge 4 4 mm Note Make sure you use the correct screw ThinkPad 755CE 755CSE 755CV 755CX 9545 453 ...

Page 464: ...h the affected areas with water for at least 15 minutes Seek medical care if any symptoms from the fluid are present after washing Note To clean the LCD gently wipe the LCD with a dry soft cloth Do not use alcohol or detergent to clean the LCD To avoid damaging the LCD do not scratch or apply any force to its surface 454 IBM Mobile Systems HMM ...

Page 465: ... LCD Rear Cover 755CV only Slightly push out and release the latches 1 1 1 Note While the cover is removed from the LCD do not touch the film 2 on the rear cover 2 ThinkPad 755CE 755CSE 755CV 755CX 9545 455 ...

Page 466: ...ard Unit 1080 Status Indicator 1090 Standby Battery and Front IR 1100 Backup Battery 1110 Logic Assembly 1115 Shield Assembly 1120 DC DC Card 1130 DSP Card 1140 Interposer Card and Rear IR 1150 Processor Card 1180 PCMCIA Slot Assembly 1170 System Board Assembly 1160 456 IBM Mobile Systems HMM ...

Page 467: ...ttery 1110 Logic Assembly 1115 Shield Assembly 1120 DC DC Card 1130 DSP Card 1140 Interposer Card and Rear IR 1150 Processor Card 1180 PCMCIA Slot Assembly 1170 System Board Assembly 1160 Lower Shield Assembly 1200 Note If the computer does not complete POST after changing the memory card reseat the card and try again ThinkPad 755CE 755CSE 755CV 755CX 9545 457 ...

Page 468: ...Indicators on page 420 5 External Input Device Connector 6 PCMCIA Slot 7 PCMCIA Release Lever 8 Keyboard 9 LCD and Keyboard Latch 1ð Click Button 11 Diskette Eject Button 12 Diskette Drive 13 Front Infrared Port 14 Fn Key 15 TrackPoint III 16 Volume Knob 17 Built in Speaker 458 IBM Mobile Systems HMM ...

Page 469: ...System Expansion Connector A multimedia portable expansion unit port replicator or port replicator with PCMCIA can be connected to this interface to support the following features 16 bit AT bus interface Serial port Parallel port Keyboard and mouse HDD connection LED control signals Visual signals Audio signals FDD signals PCMCIA signals Power controls Power line ThinkPad 755CE 755CSE 755CV 755CX ...

Page 470: ...5 5 6 6 7 7 8 8 9 9 10 10 11 11 14 14 13 13 40 40 12 12 15 15 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 41 41 25 25 26 26 27 27 28 28 29 29 43 43 31 31 30 30 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 16 16 42 42 460 IBM Mobile Systems HMM ...

Page 471: ...CSE 755CV 85G1141 System Board 755CX 85G8548 16 Processor Card 25 75 MHz 85G1494 Processor Card 33 100 MHz 85G1495 Processor Card 755CX 85G8550 17 HDD Removal Strap 66G5122 18 340MB Hard Disk Drive 66G5068 540MB Hard Disk Drive 84G4319 810MB Hard Disk Drive 85G0961 19 Rear Connector Cover 66G5050 20 PCMCIA Device See options 21 PCMCIA Cover 85G1511 Includes bezels and security plate 22 Base Cover ...

Page 472: ...lank 84G6564 Wall Plug Modem 85G2367 PCMCIA Cartridge 84G1303 PCMCIA RF Cartridge 84G1304 Head Phone 85G1529 Interface Cable System Keyboard 84G2531 Interface Cable Keyboard Keypad 84G2532 Cable Mini DIN to Mini DIN 84G6474 AC Adapter 35W 3 pin 85G4952 For Japan 2 pin 85G6669 DC Plug 4 pin 2 pin 85G6664 EMI Spring Plate 85G1066 Foot right left 84G4326 Extension DC Cable 755CV 84G7466 DC Adapter Ca...

Page 473: ...man Black 84G6497 Greek 84G6512 Hebrew 84G6509 Italian 84G6501 Japanese 84G6515 Latin American 84G6513 Norwegian 84G6507 Portuguese 84G6510 Spanish 84G6504 Swedish 84G6502 Swiss French 84G6500 Swiss German 84G6498 Turkish 84G6511 U K English 84G6496 U S English 84G6495 ThinkPad 755CE 755CSE 755CV 755CX 9545 463 ...

Page 474: ...us 10 washer bus 10 2 5 x 8 mm flat head 10 2 5 x 5 deform screw 10 spring lock washer 10 hex stud d sub 10 2 5 x 14 10 heatsink nut IC DRAM CARD Eject Tape 53G9318 Austria 59G1041 Australia 59G1040 Belgium 43G3414 Denmark 59G1042 Finland 59G1043 France 4525652 Germany 59G1056 Korea 66X2096 Malaysia 59G1066 Netherlands 43G3409 Norway 59G1044 New Zealand 43G3411 PRC Hong Kong 54F0693 Singapore 66X2...

Page 475: ...d PRC Hongkong 58G4332 Sweden 58G4336 Switzerland 58G4348 U K 58G4345 AC Adapter 40W 49G2196 For Japan 49G2197 AC Adapter 100 125 V ac 40W 84G4320 This adapter is for U S only Audio Cable 66G5180 Car Battery Adapter 49G1148 Small Car Battery Adapter 84G4359 Diskette Drive Attachment Unit 66G5069 IC DRAM CARD 2MB 07G1414 IC DRAM CARD 4MB 07G1415 IC DRAM CARD 8MB 07G1416 IC DRAM CARD 16MB 66G0094 Mi...

Page 476: ...15 Turkish 95F5467 U K English 95F5741 U S English 95F5741 French 84G6286 German 84G6280 Italian 84G6292 Swedish 84G6304 U K English 84G6298 Norway 84G6310 U S English 84G2530 French 84G6285 German 84G6279 Italian 84G6291 Swedish 84G6303 U K English 84G6297 Norway 84G6309 U S English 84G2529 Keyboard Mouse Cable 54G0444 Tri Connector Wrap Plug 72X8546 PC Test Card 35G4703 Audio Wrap Cable 66G5180 ...

Page 477: ... Singapore U K 14F0033 25H2215 3 France Germany Spain 13F9979 25H2209 4 Italy 14F0069 25H2223 5 Australia New Zealand 13F9940 25H2205 6 Denmark 13F9997 25H2211 7 Israel 14F0087 25H2225 8 Bangladesh Pakistan Sri Lanka South Africa 14F0015 25H2213 9 Switzerland 14F0051 25H2221 10 Thailand 1838574 25H2219 Note The 30 40W cord is 6 feet long the 35W cord is 6 inches ThinkPad 755CE 755CSE 755CV 755CX 9...

Page 478: ...468 IBM Mobile Systems HMM ...

Page 479: ...st 470 External Keyboard Auxiliary Input Device Checkout 471 Fax Modem Checkout 472 Printer Checkout 474 Port Replicator Checkout 475 TrackPoint II Checkout 476 TV Tuner 477 Identifying Names and Functions 477 Using the Front Panel 478 Troubleshooting 481 Copyright IBM Corp 1995 469 ...

Page 480: ...blem Note Before you replace a display check the following list to see if it is connected correctly 8506 and 8508 displays must be connected to an Image Adapter A or an Image I Adapter A 63XX and 85XX systems support either 63XX or 85XX displays 85XX systems with an XGA 2 adapter support 95XX displays 95XX systems support either 63XX 85XX or 95XX displays ThinkPad models support either 85XX or 95X...

Page 481: ...es may be available for IBM ThinkPad models Numeric keypad Mouse PS 2 compatible External keyboard with Keyboard Miniature Mouse cable If you suspect a problem with any of the auxiliary input devices listed above replace the device If the problem is not corrected replace the following FRUs one at a time to correct the problem Keyboard control card System board If the computer receives an incorrect...

Page 482: ... Data FAX Modem diskette into the default diskette drive If you are servicing a High Speed Internal Data Fax Modem Models FC3632 and FC3650 at the DOS prompt for example A type IBMDIAG then press Enter If you are servicing a PCMCIA Data FAX Modem Models FC3634 and FC3635 at the DOS prompt for example A type ESTDIAG then press Enter Follow the instructions on the screen If you need help press F1 DI...

Page 483: ...e the customer transmit a call at a lower speed WAS THE CALL TRANSMITTED SUCCESSFULLY Yes No 012 If installed replace the external DAA If you do not have an external DAA installed or replacing the external DAA does not correct the problem replace the modem 013 Have the telephone line checked 014 Have the customer receive an incoming call on the modem at a lower speed WAS THE INCOMING CALL RECEIVED...

Page 484: ...r Refer to the printer service manual If the printer self test runs correctly do the following 1 Verify the port settings in configuration 2 Install a wrap plug on the port indicated in configuration and run the advanced diagnostic tests 3 If the advanced diagnostic tests with the wrap plug installed do not detect a failure replace the printer cable If the problem is not corrected replace the syst...

Page 485: ...r Parallel port test with the wrap plug installed on the replicator PCMCIA 2 test with the PC test card installed FDD 2 FDD 1 if no drive is installed in the computer drive test on the failing device 10 If diagnostic errors appear replace the replicator or diskette drive attachment unit If the problem remains after the replacement replace the system board 11 If power problems appear only when usin...

Page 486: ...n exceeded temperature range requires re adjustment If the cursor floats or moves erratically power off and disconnect the mouse Power on the computer If the problem goes away replace the mouse If the problem remains replace the keyboard For click button or pointing stick problems 1 Go to the Easy Setup screen 2 Select an item with the pointing stick 3 Press either left or right click button 4 Ver...

Page 487: ... and table show the names and functions of each part of the TV Tuner 1 1 12 12 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 13 13 11 11 10 10 Icons Functions 1 Front Panel Used to change the TV channels switch TV mode to computer mode and operate most functions of the TV Tuner 2 Headphone Jack Connects the headphones 3 Power Indicator Shows the TV Tuner is powered on 4 Power Switch Powered on and off the TV Tu...

Page 488: ...r with the controls on the front panel Key Function Power Turns on the TV Tuner This key is used only when the computer is turned on Hot Key Switches computer display and TV screen Up Increases the value of parameters Channel Number Color Tint Brightness Contrast Auto Tuning Sensitivity On screen Message Selection Down Decreases the value of parameters Channel Number Color Tint Brightness Contrast...

Page 489: ... Adjustment By pressing and holding or you can change the tint àBRT Bright Adjustment By pressing and holding or you can change the brightness àCNT Contrast Adjustment By pressing and holding or you can change the contrast à No function Reserved àLO àHI Auto Tune Sensitivity Selection LO Means the sensitivity of the TV is low In this mode the TV Tuner receives strong TV signals only To set LO pres...

Page 490: ...s from the ThinkPad Features menu then put a check mark at Internal Serial Port or Diskette Drive Compartment under the Power for devices If you need help press F1 to display the help menu Type PS2 MODEM ON or PS2 DDC ON from the command prompt press the Enter key to set the power ON If you are using OS 2 or Microsoft Windows do the following 1 Power on the computer and start the ThinkPad Features...

Page 491: ...the active antenna unit are depleted The TV Tuner is not set up correctly You cannot watch TV or videos on the external display LO is set for the auto tune sensitivity selection See page 479 No color The program is not in color Snow and noise only Switch the TV EXT button Pictures are out of shape or have double images For TV The channel is not tuned correctly Adjust the antenna For VCR Change the...

Page 492: ...482 IBM Mobile Systems HMM ...

Page 493: ... Diskette Drive Bus Adapter 72X8524 CD ROM Drives Enhanced Internal CD ROM II Drive 61G1901 With eject button below slot Internal CD ROM I Drive 81F7930 eject button above slot Terminator Kit for 81F7930 59F3530 Cleaning Kit for 81F7930 59F3562 Disks CD Caddy Internal CD ROM II Drive 92F0084 With eject button below slot Terminator Kit for 92F0084 92F0082 Media Kit for 92F0084 31F4232 no cleaning n...

Page 494: ...r for 92F0167 38F8682 3 5 Inch Enhanced Rewritable Optical Drive 92F0167 Mounting Tray 92F0269 Mounting Tray Bezel Model 3510 92F0268 External Keyboard Mouse Enhanced Keyboards 101 102 Key Keyboard Cable 72X8537 Mouse 61X8923 Mouse Ball and Pop Off Retainer 33F8461 Mouse Ball and Twist Off Retainer 33F8462 Mouse New Style 33G5420 Mouse Retainer Ring 33G5417 Miniature Mouse 95F5723 Country Arabic 1...

Page 495: ... Kits R Swiss French German 1392031 Keybutton Kits R U K English 6447046 Keybutton Kits U S English 6447045 Japanese Keyboard 94X1110 Keyboard Cable 94X1147 Country Canadian French 1396046 Spanish Latin 1396047 U S English 1393290 Cable Assembly External 1393082 Tools and Miscellaneous Audio Wrap Cable 66G5180 Ethernet BNC T Connector 84F8207 Ethernet BNC 50 ohm Terminator 85F0037 2 required Groun...

Page 496: ...2X1045 2 Hong Kong Singapore U K 14F0033 3 France Germany Spain 13F9979 4 Italy Chile 14F0069 5 Australia New Zealand New Guinea 13F9940 Papua 6 Denmark 13F9997 7 Israel 14F0087 8 Bangladesh Pakistan South Africa 14F0015 Sri Lanka 9 Switzerland 14F0051 10 Thailand 1838574 Japan 79F2755 486 IBM Mobile Systems HMM ...

Page 497: ...Inch Monochrome Display 110 125 V ac US Canada 6247883 110 125 or 200 240 V ac No Hemisphere 6247840 110 125 or 220 240 V ac So Hemisphere 39F8068 8512 14 Inch Color Display 110 120 V ac US Canada 61R8924 220 240 V ac No Hemisphere 61X8928 220 240 V ac So Hemisphere 61X8927 Tilt Swivel Stand 61X8925 8513 12 Inch Color Display 110 120 V ac 68X3088 220 240 V ac No Hemisphere 72X7870 220 240 V ac So ...

Page 498: ...488 IBM Mobile Systems HMM ...

Page 499: ...ode Ray Tube CSD Corrective Service Diskette CGA Color Graphics Adapter See EGA VGA XGA CRC Cyclic Redundancy Check CRT Cathode Ray Tube CSA Canadian Standards Association CSD Corrective Service Diskette DASD Direct Access Storage Device hard disk diskette DMA Direct Memory Access DRAM Dynamic Random Access Memory ECA Engineering Change Announcement ECC Error Correction Code EGA Enhanced Graphics ...

Page 500: ...ay models RAM Random Access Memory read write RGB Red Green Blue is in monitors RIPL Remote Initial Program Load ROM Read Only Memory SASD Sequential Access Storage Device Tape SCB Subsystem Control Block SCSI Small Computer Systems Interface SCSI ID SCSI Identification Number assigned device number SPD Software Product Description SR Service Representative SRAM Static Random Access Memory SVGA Su...

Page 501: ...e it and then fax it to IBM HMM Survey at 919 543 8167 USA Name Phone Number 1 Do you like this manual Ø Yes Ø No 2 What would you like to see added changed or deleted in this manual 3 What is your service experience level Ø Less than five years Ø More than five years 4 Which ThinkPad systems do you service most Thanks in advance for your response Miscellaneous Information 491 ...

Page 502: ...t controllers keyboards and keystrokes SCSI DMA video and more Specific Personal System 2 systems including system board connectors jumpers memory subsystems I O subsystems programming interfaces and registers and error codes Basic input output system BIOS Options and adapters For a free catalog of our current offerings please photocopy this form complete it and then fax it to Hardware Technical R...

Page 503: ...sion Type and revision level Hardware configuration Print out print screen configuration from Reference Diskette currently in use BIOS level Operating system software Type and revision level Important To eliminate confusion identical systems are considered identical only if they 1 Are the exact machine type and models 2 Have the same BIOS level 3 Have the same adapters attachments in the same loca...

Page 504: ...n Board Service PC Company 800 426 8322 Customer Education Business Unit 800 999 0052 Customized Operational Services 407 982 6408 Developers Assistance HW SW 800 964 8523 End User Support 800 772 2227 HelpCenter HelpLearn and Customer Satisfaction Center 800 426 4238 HelpCenter TDD ASCII 800 742 2493 IBM Anti Virus Services 800 447 4700 IBM Authorized Dealer Referrals 800 426 4238 IBM Customer Sa...

Page 505: ... Warranty Support 800 387 8343 Ambra Business Partner Parts Warranty Claims 905 316 7952 Ambra Bulletin Board 800 661 PSMT Business Partner Marketing Support 905 316 5556 Business Partner Marketing Support Toronto 514 938 6048 Business Partner Marketing Support French 800 465 6600 Customer Relations 905 316 6666 Customer Relations Toronto 800 465 6666 Customer Service Dispatch 800 263 2769 Custome...

Page 506: ...ement HMS Manuals 905 316 4148 Service Management Support 905 316 4100 Fax Service Management Support 905 316 4150 Service Manager 905 316 4100 Fax Service Manager 905 316 4872 Service Quality Programs 905 316 4100 Fax Service Quality Programs 800 661 2131 Skill Dynamics Education 800 387 8483 PS 1 Warranty Service Business Partner DOAs 800 565 3344 PS 1 Warranty Service Customer Helpline 416 443 ...

Page 507: ...ive you any license to these patents You can send license inquiries in writing to IBM Director of Licensing IBM Corporation 500 Columbus Avenue Thornwood NY 10594 U S A Trademarks The following terms denoted by an asterisk in this publication are trademarks of the IBM Corporation in the United States and or other countries AIX AT FaxConcentrator HelpCenter HelpClub HelpLearn HelpWare IBM Micro Cha...

Page 508: ...IBM Part Number 30H2357 Printed in U S A S82G 15ð2 ð3 ...

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