IBM ThinkPad 240 Hardware Maintenance Manual Download

Page: 55 / 67

5. Remove the LCD panel.

Step

Size (Quan-
tity)

Head &
Color

Torque

M2.0 x 4L (2)

Flat head,
black

2.5 kgf–cm

3
(LCD
Type
A)

M2.5 x 4L (4)

Flat head,
silver

3.0 kgf–cm

3
(LCD
Type
B)

M2.0 x 4L (4)

Flat head,
silver

3.0 kgf–cm

Note: Make sure you use the correct screw for replacement.

ThinkPad 240

Summary of Contents for ThinkPad 240

Page 1: ...S09N 8590 00 IBM Mobile Systems ThinkPad 240 Hardware Maintenance Manual December 2000...

Page 2: ...i...

Page 3: ...are periodically made to the information herein these changes will be incorporated in new editions of the publication IBM may make improve ments or changes in the products or the programs described in...

Page 4: ...ated Symptoms 19 Indicator Related Symptoms 19 Power Related Symptoms 20 PC Card PCMCIA Related Symptoms 20 Speaker Related Symptoms 20 Power Management Related Symptoms 20 Peripheral Device Related S...

Page 5: ...SM 48 1170 LCD Panel ASM LCD Type A and B 49 1180 LCD FPC ASM LCD Type A 51 1185 LCD FPC ASM LCD Type B 52 1190 Hinge ASM 53 Computer Parts Listing 54 LCD Unit Parts Listing LCD Type A 58 LCD Unit Par...

Page 6: ...t five letters are ZAAAA to ZZZZZ are fitted with Type B panels The servicer need only check the fifth letter from the end If the fifth letter from the end is 0 Y inclusive then the LCD panel is Type...

Page 7: ...Do not replace any FRUs if log errors do not reappear Be careful not to replace a non defective FRU What to Do First The servicer must include the following in the parts exchange form or parts return...

Page 8: ...on supported device Forgotten computer password making the computer unusable The following symptoms might indicate damage caused by non warranted activities Missing parts might be a symptom of unautho...

Page 9: ...e replaced if they are forgotten If the cus tomer forgets the Supervisor Password the system board must be replaced If the customer forgets the hard disk drive password the hard disk drive must be rep...

Page 10: ...ollowing table shows the Fn key and function key combinations and their corresponding functions The Fn key works independently of the operating system The operating system obtains the status through t...

Page 11: ...ndicators show the current com puter status The following shows the location of each indi cator symbol and the meaning of each indicator Think Pad Symbol Color Meaning 1 Battery status Green Enough ba...

Page 12: ...mode by pressing and holding the Fn key and pressing the Caps Lock key 6 Scroll lock Green Scroll Lock mode is enabled The Arrow keys can be used as screen scroll function keys The cursor cannot be mo...

Page 13: ...o FRU Index on page 16 then use table in No Beep Symptoms on page 19 POST beeps but no error codes are displayed Symptom to FRU Index on page 16 POST detected an error and displayed numeric error code...

Page 14: ...e Diagnostics on page 23 for details If the test detects a keyboard problem do the following one at a time to correct the problem Do not replace a non defective FRU 1 Replace the keyboard 2 Replace th...

Page 15: ...Board Checkout Do the following to isolate the problem to the system internal modem 1 Boot from the diagnostics diskette and start the program 2 Go to Diagnostics on the main menu and select Other Dev...

Page 16: ...not always indicate a defective adapter Checking the Operational Charging To check operational charging use a discharged battery pack battery ASM or a battery ASM that has less than 50 of the total po...

Page 17: ...short time This self acting pointer movement can occur when a slight steady pressure is applied to the TrackPoint pointer This symptom is not a hardware problem No service actions are necessary if the...

Page 18: ...uffers 16550A Move the cursor to the item you want to check and press Enter Then follow the instructions on the screen Note To do an External Loopback test you must have a Loopback plug 4 In the Paral...

Page 19: ...ed The ring indicator RI is signaled by a PC Card device or the internal modem The Fn key is pressed Power switch is pressed The computer also exits suspend mode when the battery is critically low or...

Page 20: ...the hard disk drive The power switch must be pressed to cause the computer to resume operation from hibernation mode How to Create the Hibernation Function Do as follows Turn off the computer Insert...

Page 21: ...omputer see the manual for that device Numeric Error Codes The following is a list of the message that the BIOS can display Most of them occur during POST Some of them display information about a hard...

Page 22: ...ailed at offset nnnn 1 DIMM 2 System board 0250 System battery is dead System board 0251 System CMOS checksum bad Default con figuration used System board 0260 System timer error 1 Run BIOS Setup Util...

Page 23: ...ard Error Messages Symptom Error FRU Action in Sequence Device Address Con flict 1 Load Setup Defaults in BIOS Setup Utility 2 System board Allocation Error for device 1 Load Setup Defaults in BIOS Se...

Page 24: ...ence LCD backlight not working LCD too dark LCD brightness cannot be adjusted LCD contrast cannot be adjusted 1 Reseat the LCD connector 2 LCD FPC ASM 3 LCD inverter 4 LCD 5 System board LCD screen un...

Page 25: ...tom Error FRU Action in Sequence System cannot detect the PC Card PCMCIA 1 PC Card PCMCIA slots assembly 2 System board Speaker Related Symptoms Symptom Error FRU Action in Sequence Speakers make nois...

Page 26: ...s see Undetermined Problems on page 22 Symptom Error FRU Action in Sequence External display does not work correctly System board USB does not work correctly System board Print problems Run printer se...

Page 27: ...the time of the failure is operating correctly See Power System Checkout on page 10 1 Power off the computer 2 Visually check for damage If any problems are found replace the FRU 3 Remove or disconne...

Page 28: ...E Utility Diskette The UUID utility will automatically assign the UUID via Windows Running the Diagnostics Use either the TrackPoint or the cursor move keys to interact with the tests 1 Connect the ex...

Page 29: ...parts are in place and are not left loose inside the computer Verify this by shaking the computer and listening for rat tling sounds Metallic parts or metal flakes can cause an electrical short circu...

Page 30: ...e computer serial number using the VPD Data Utility and reassign the UUID using the Flash UUID Utility in the ThinkPad 240 ThinkPad Hardware Maintenance Diskette Note Do not power off the computer whi...

Page 31: ...M To remove the battery ASM 1 Slide the release lock as shown 2 1 2 1 2 Slide the release latch as shown 3 Remove the battery ASM Reverse the steps described above when installing a new battery pack 2...

Page 32: ...kup copy of all the information on the drive if pos sible Never remove the drive while the system is operating or is in suspend mode To remove the hard disk drive 1 Remove the two screws from the hard...

Page 33: ...hree screws securing the keyboard 2 Turn the notebook over then lift the keyboard as shown Thin kPa d Thin kPa d 3 Remove the keyboard stopper sheet screw 4 Disconnect the keyboard connector from the...

Page 34: ...ad Thin kPad Step Size Quan tity Head Color Torque 1 M2 0 x 9L 3 Flat head black 2 5 kgf cm 3 M2 5 x 6L 1 Flat head silver 2 5 kgf cm Note Make sure you use the correct screw for replacement ThinkPad...

Page 35: ...ery ASM 1030 Keyboard To remove the modem card 1 Carefully release the latches on both sides of the modem card Thin kPad Thin kPad 2 Disconnect the modem cable from the connector 3 Gently remove the m...

Page 36: ...50 DIMM Card 1010 Battery ASM 1030 Keyboard To remove the memory card 1 Carefully release the latches on both sides of the memory card Thin kPad Thin kPad 2 Gently remove the memory card ThinkPad 240...

Page 37: ...pe must be reseated firmly after the LCD unit ASM is replaced 3 To remove the LCD unit ASM 1 Remove the screws as shown 2 1 2 Turn the notebook over then remove the hinge covers 3 Remove the Cu tape f...

Page 38: ...Step Size Quan tity Head Color Torque 1 M2 0 x 4L 2 Flat head black 2 5 kgf cm 5 M2 5 x 6 L 4 Flat head silver 3 5 kgf cm Note Make sure you use the correct screw for replacement ThinkPad 240 33...

Page 39: ...over 2 Remove the screw 3 Remove the other screw as shown 4 Turn the notebook over then remove the two screws Step Size Quan tity Head Color Torque 2 M2 0 x 4L 1 Flat head black 2 5 kgf cm 3 M2 5 x 7L...

Page 40: ...able from the system board 6 Carefully lift the upper cover to expose the speaker connector as shown 7 Disconnect the speaker cable from the main unit Now you can remove the upper cover ASM from the b...

Page 41: ...emove the speaker 1 Remove the three screws securing the speaker 2 Remove the securing tape from the cable 3 Gently lift the speaker away from the upper cover Step Size Quan tity Head Color Torque 1 M...

Page 42: ...70 Upper Cover ASM To remove the select button ASM 1 Remove the three screws as shown 2 Remove the select button ASM from the top cover ASM Step Size Quan tity Head Color Torque 1 M2 5 x 2 5L 3 Flat h...

Page 43: ...cable 1 Disconnect the LED cable then lift it as shown The cable is fixed with double sided tape To remove the cable ASM LED R 1 Remove the screw 2 Disconnect the LED board then lift it as shown Step...

Page 44: ...embly doing so can damage the fan bearings To remove the fan ASM 1 Remove the two screws securing the fan ASM 2 Carefully lift the fan ASM 3 Disconnect the cable from the system board Warning When rea...

Page 45: ...Step Size Quan tity Head Color Torque Note Make sure you use the correct screw for replacement 40 ThinkPad 240...

Page 46: ...ASM 1010 Battery ASM 1020 Hard Disk Drive 1030 Keyboard 1060 LCD Unit ASM 1070 Upper Cover ASM To remove the modem cable ASM Disconnect the modem cable from the system board Remove the cable as shown...

Page 47: ...1120 Water Channel ASM 1010 Battery ASM 1020 Hard Disk Drive 1030 Keyboard 1060 LCD Unit ASM 1070 Upper Cover ASM To remove the water channel ASM Remove the water channel ASM as shown 42 ThinkPad 240...

Page 48: ...Channel ASM Note See Replacing the System Board on page 25 before proceeding 1 Remove the screws as shown 2 Turn the notebook over remove the two screws from the diskette drive connector 3 Remove the...

Page 49: ...an tity Head Color Torque 1 M2 0 x 4L 5 Flat head black 2 5 kgf cm 2 M2 0 x 6L 2 Flat head black 2 0 kgf cm 3 M2 0 x 4L 1 Flat head black 2 0 kgf cm 4 M2 0 x 8L 1 Flat head black 2 0 kgf cm Note Make...

Page 50: ...SM 1120 Water Channel ASM 1130 System Board Note See Replacing the System Board on page 25 before proceeding 1 Remove the six hexagonal studs as shown 2 Remove the microphone 3 Remove the rear bracket...

Page 51: ...en when disconnecting the PCMCIA card not to cause a short or damage the con nector To remove the PCMCIA slots 1 Remove the screw securing the PCMCIA slot board 2 Use a flat bladed screwdriver to disc...

Page 52: ...n remove the LCD bezel 4 The LCD latches must be opened as shown to remove the bezel Thin kPad Thin kPad 5 Remove the bezel from the LCD unit Step Size Quan tity Head Color Torque 2 M2 5 x 5L 2 Flat h...

Page 53: ...SM To remove the LCD inverter ASM 1 Disconnect the flex cable from the inverter card 2 Disconnect the FPC cable from the inverter card ThinkP ad 3 Remove the inverter card The inverter card is fixed t...

Page 54: ...designations 1010 Battery ASM 1030 Keyboard 1150 LCD Bezel ASM 1160 LCD Inverter ASM To remove the LCD Panel 1 Remove the screws as shown 2 1 2 Turn the notebook over remove the CU tape and dis connec...

Page 55: ...ty Head Color Torque 1 M2 0 x 4L 2 Flat head black 2 5 kgf cm 3 LCD Type A M2 5 x 4L 4 Flat head silver 3 0 kgf cm 3 LCD Type B M2 0 x 4L 4 Flat head silver 3 0 kgf cm Note Make sure you use the corre...

Page 56: ...1160 LCD Inverter ASM 1170 LCD Panel ASM LCD Type A and B Note When replacing the flex cable in the following pro cedure the labelled face of the cable must face away from the LCD panel 1 Remove the...

Page 57: ...on on LCD Type A and LCD Type B panel designations 1010 Battery ASM 1030 Keyboard 1150 LCD Bezel ASM 1160 LCD Inverter ASM 1170 LCD Panel ASM LCD Type A and B 1 Remove the tape from the FPC cable 2 Op...

Page 58: ...d 1060 LCD Unit ASM 1150 LCD Bezel ASM 1 Remove the screws as shown 2 Remove the hinge ASM Step Size Quan tity Head Color Torque 1 M2 5 x 4L 2 Flat head silver 3 5 kgf cm Note Make sure you use the co...

Page 59: ...GE CAP L R 10L1954 2 UPPER COVER ASM 10L1944 3 REAR BRACKET 10L1952 4 LED CARD ASM L 10L1303 5 SERIAL VGA CAP 10L1951 6 STD BATTERY PACK 02K6606 7 PCMCIA SLOT 10L1945 8 DISKETTE DRIVE CONNECTOR LID 10...

Page 60: ...odel 1 05K9117 HARD DISK DRIVE ASM 6 4 GB Model 2 05K9119 HARD DISK DRIVE DOOR 10L1950 Description FRU Number AC ADAPTER AC Adapter 56W 2 PIN 02K6554 AC Adapter 56W 2 PIN 02K6548 AC Adapter 56W 3 PIN...

Page 61: ...Argentina Australia Papua New Guinea New Zealand Paraguay Uruguay 76H3514 Power cord Bahamas Barbados Bermuda Bolivia Canada Cayman Islands Colombia Costa Rica Dominican Republic Ecuador El Salvador...

Page 62: ...i Hong Kong India Ireland Kenya Kuwait Macao Malaysia Nigeria Oman People s Republic of China Qatar Singapore United Kingdom 76H3524 Power cord Switzerland 76H3528 Power cord Israel 76H3532 Power cord...

Page 63: ...el designations Index Computer FRU Number e j See MISC PARTS list 10L1955 1 LCD BEZEL ASM 10L1941 LCD BEZEL ASM Korea 10L1942 2 LCD UNIT TFT 10 4 inch 05K9523 3 LCD CABLE ASM 05K2859 4 HINGE ASM L R 1...

Page 64: ...e j See MISC PARTS list 10L1955 1 LCD BEZEL ASM 10L1941 LCD BEZEL ASM Korea 10L1942 2 LCD UNIT TFT 10 4 inch 05K9589 3 LCD CABLE ASM 27L0489 4 HINGE ASM L R 10L1943 5 LCD REAR COVER ASM 08K5820 LCD R...

Page 65: ...i Connector Wrap Plug 72X8546 PC Test Card 35G4703 Audio Wrap Cable 66G5180 Screwdriver Kit 95F3598 USB Parallel Test Cable 05K2580 Torque Screwdriver 05K4695 5 mm Socket Wrench 05K4694 Screwdriver 27...

Page 66: ...those expressly designated by IBM are the responsibility of the user IBM may have patents or pending patent applications cov ering subject matter in this document The furnishing of this document does...

Page 67: ...IBM Part Number 09N8590 Printed in U S A S09N 8590...

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