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S37L-2095-00

IBM Mobile Systems

WorkPad z50 Mobile Companion (2608-1Ax)
Hardware Maintenance Manual

March 1999

Summary of Contents for WordPad z50

Page 1: ...S37L 2095 00 IBM Mobile Systems WorkPad z50 Mobile Companion 2608 1Ax Hardware Maintenance Manual March 1999...

Page 2: ...ors Changes are periodically made to the information herein these changes will be incorporated in new editions of the publication IBM may make improvements or changes to the products or the programs d...

Page 3: ...ons as follows The Introduction section provides general information and safety information required to service computers The product specific section includes service reference and product specific p...

Page 4: ...kout 15 Cradle Checkout 15 External Monitor Self Test 15 INSTALLING THE ROM DRAM CARD 17 Removing the ROM DRAM Card 18 Brightness Contrast Buttons Checkout 19 POWER MANAGEMENT FEATURES 20 Full Power M...

Page 5: ...Microphone 47 1140 Audio Ports 48 1150 PC Card Slot Assembly 48 1160 RJ 11 Assembly 50 1170 Hardware Button Board 51 1180 Top Cover 52 LOCATIONS 53 Front Right View 53 Left View 54 Right View 54 Rear...

Page 6: ...acement Strategy Before Replacing Parts Ensure that all software fixes are installed prior to replacing any FRUs listed in this manual Use the following strategy to prevent unnecessary FRU replacement...

Page 7: ...iques ou des copeaux de m tal pourraient causer un court circuit Bevor nach einem FRU Austausch der Computer wieder angeschlossen wird mu sichergestellt werden da keine Schrauben Federn oder andere Kl...

Page 8: ...zgeschlossen oder Feuer oder Wasser ausgesetzt werden Bei der Entsorgung die rtlichen Bestimmungen f r Sonderm ll beachten Beim Ersetzen der Batterie nur Batterien des Typs verwenden der in der Ersatz...

Page 9: ...nd bei Beschwerden anschlie end ein Arzt aufgesucht werden Nel caso che caso l LCD si dovesse rompere ed ii liquido in esso contenuto entrasse in contatto con gli occhi o le mani lavare immediatamente...

Page 10: ...ortocircuitada o con contacto a tierra puede producir la corriente suficiente como para quemar material combustible o provocar quemaduras en el personal Safety Notice 6 Before removing any FRU power o...

Page 11: ...service representatives and the 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 Ke...

Page 12: ...lug the power cord If 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 t...

Page 13: ...electrical accident occurs Use caution do not become a victim yourself Switch off power Send another person to get medical aid while first aid is being administered Safety Inspection Guide The intent...

Page 14: ...y for 0 1 ohm or less 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 Remo...

Page 15: ...tic straps protect the user from high operating voltages 110V Prevent the part from touching your clothing Most clothing is insulative and retains a charge even when you are wearing a wrist strap Use...

Page 16: ...l of the machine and FRU part number are correct by referring to the parts list FRUs should not be replaced because of a single unreproducible failure Single failures can occur from a variety of reaso...

Page 17: ...n an additional 180 degrees after the screw head touches the surface of the logic card 180 Degrees More Plastic Logic Card Torque Driver If you have a torque driver refer to the Torque instruction wit...

Page 18: ...ine type model number and serial number __ 9 Customer s name and address Before checking problems with the computer determine whether the damage is covered under the warranty by referring to the follo...

Page 19: ...ctivities Missing parts may be a symptom of unauthorized service or modification Attention When resetting the system all programs and stored data other than the operating system will be erased Any pas...

Page 20: ...6MB Upgradable to 48MB Storage Memory CompactFlash Type II socket PC Card One type III slot I O Ports RJ 11 Modem port US Canada Japan models only Infrared Serial port External display port Cradle con...

Page 21: ...determine which page to go to Search the symptoms column and find the description that best matches your symptom then go to the page shown in the Refer To column Symptoms Verified Refer To Power failu...

Page 22: ...o problem do the following Click Start Programs WorkPad and then Rapid Access Check that Mute is not enabled in the Rapid Access utility Click the Volume Sounds icon in the Control Panel adjust the vo...

Page 23: ...a time to correct the problem Do not replace a nondefective FRU Reseat the keyboard cable Replace the keyboard Replace the mainboard Memory Checkout The WorkPad z50 Mobile Companion is shipped with 16...

Page 24: ...ck do the following 1 Remove the battery pack 2 Connect the AC Adapter and lock the battery release lock Check that power is supplied 3 Disconnect the AC Adapter and install the charged battery pack t...

Page 25: ...plug of the AC Adapter cable See the following figure 1 2 Pin Voltage V dc 1 19 V 1 5 V 0 V 2 Ground a If the voltage is correct replace the mainboard b If the voltage is still incorrect go to the ne...

Page 26: ...d by the warranty 3 Remove the battery pack and measure the voltage between the battery terminals See the following figure 7 1 Terminal Voltage V dc 1 11 1 V 7 Ground 4 If the voltage is less than 11...

Page 27: ...ery terminal voltage should be around 12 6V dc If the voltage is far less or has not increased from the initial voltage then repeat the procedure with another discharged battery pack If this brings th...

Page 28: ...e the mainboard Note Make sure either the battery pack is installed or the AC Adapter is connected If the backup batteries are removed and no other power source is available AC Adapter or battery pack...

Page 29: ...of its capacity the Battery Calibration application will stop Note During the battery calibration process the AC Adapter must be connected at all times To reduce the time it takes to discharge the ba...

Page 30: ...ork replace the mainboard If the pointing stick does not work do the following actions one at a time to correct the problem Do not replace a nondefective FRU Reseat the TrackPoint cable Replace the ke...

Page 31: ...16 IBM WorkPad z50 Mobile Companion 16...

Page 32: ...power the main battery pack and the backup batteries must be removed Follow these instructions when inserting the ROM DRAM card 1 Place the WorkPad z50 into suspend mode and disconnect AC power 2 Turn...

Page 33: ...cables then turn on the WorkPad z50 Attention Handling a Screwdriver Use a screwdriver that fits the screw Use the screwdriver perpendicular to the head of the screw Handle the screwdriver properly o...

Page 34: ...Gently pull out the card 8 Replace the ROM DRAM card cover over the memory slot aligning the back side of the cover first then tighten the screw 9 Attach the main battery and insert the backup batter...

Page 35: ...CE Suspend icon is clicked The battery release lock is released The remaining battery capacity of the battery pack is very low A notification event set in the Alarms window of the World Clock applicat...

Page 36: ...wing 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 26 Note For IBM devices not supported by diagnost...

Page 37: ...dio playback error 602 Audio recording error 601 Audio playback error 1 Speaker 2 Mainboard 602 Audio recording error 1 Microphone 2 Mainboard 7XX 701 Display error 701 Display error 1 LCD panel 2 Mai...

Page 38: ...ectly remains off or on but system runs correctly Mainboard The external power status LED indicator blinks from green to amber 1 Check that a correct battery is installed 2 Battery pack 3 Mainboard Th...

Page 39: ...or does not work correctly See TrackPoint Checkout on page 15 LCD Related Symptoms Symptom Error FRU Action in Sequence LCD backlight not working LCD too dark LCD brightness cannot be adjusted LCD co...

Page 40: ...ial port device problems 1 Run serial port wrap test 2 Device 3 Mainboard 4 Device cable Note The serial port and the infrared port can not be used at the same time Power Related Symptoms Symptom Erro...

Page 41: ...ices are incorrect a short circuit is suspected or the system is inoperative Follow these procedures to isolate the failing FRU do not isolate nondefective FRUs Verify that all attached devices are su...

Page 42: ...ws ibmdiag exe Click OK The basic diagnostic menu appears 2 Start the Advanced Diagnostic test by pressing Ctrl A on the basic diagnostic menu The Serial and PC Card devices will appear on the diagnos...

Page 43: ...nd amber The control buttons 1 Notification 3 Microphone and 5 Power are shown in the illustration below Indicator Color Meaning 1 Notification Amber The system is receiving a transfer call Push the N...

Page 44: ...nch or switch to Contacts A5 Launch or switch to Tasks A6 Launch Pocket Word or switch to next Pocket Word window A7 Launch Pocket Excel or switch to next Pocket Excel window A8 Launch Pocket PowerPoi...

Page 45: ...the WorkPad z50 Verify this by shaking the WorkPad z50 and listening for rattling sounds Metallic parts or metal flakes can cause electrical shorts Safety Notice 2 Translation on page ix The battery...

Page 46: ...WorkPad z50 Mobile Companion 31 An electrostatic discharge ESD strap P N 6405959 must be used to establish personal grounding...

Page 47: ...force to tighten They should be used only once Do the following when you service this machine Keep the screw kit P N 05K5941 in your tool bag Always use new screws Use a torque screwdriver Screw Infor...

Page 48: ...onnectors are used in the WorkPad z50 Some connectors have a clasp which must be unlocked before removing the cable Unlock the connector by pulling up the clasp with your fingernail or a small flat ti...

Page 49: ...the FRU or FRUs that can be removed next 1010 Backup Batteries 1020 ROM DRAM Card 1030 Battery Pack 1040 Keyboard Assembly 1050 Bottom Cover 1060 Mainboard 1070 LCD Bezel 1080 LCD Unit 1090 Inverter...

Page 50: ...010 Backup Batteries 1 Turn the WorkPad z50 upside down Step Size Quantity Color Torque Length 2 Coin screw M2 5 1 Black 3 kgcm 4 0 mm Note You can loosen the captive screw in step 2 but cannot remove...

Page 51: ...ion Remove all power sources from the WorkPad z50 before replacing the ROM DRAM card 1 Turn the WorkPad z50 upside down DRAM Card ROM Card Step Size Quantity Color Torque Length 2 M2 5 1 Black 3 kgcm...

Page 52: ...WorkPad z50 Mobile Companion 37...

Page 53: ...orkPad z50 Mobile Companion 38 1030 Battery Pack 1 Turn the WorkPad z50 upside down Note At step 3 you must push and hold the battery release lock as you slide the lock in the direction indicated by t...

Page 54: ...wer sources from the WorkPad z50 before removing the keyboard assembly 1 Turn the WorkPad z50 upside down Step Size Quantity Color Torque Length 2 M2 5 5 Black 3 kgcm 6 0 mm Note Make sure you use the...

Page 55: ...40 IBM WorkPad z50 Mobile Companion 40 1050 Bottom Cover Backup Batteries 1010 Battery Pack 1030 Keyboard Assembly 1040...

Page 56: ...er and the battery shield not to pinch the cables Step Size Quantity Color Torque Length 3 M2 5 4 Black 3 kgcm 6 0 mm 4 M2 0 2 Silver 3 kgcm 4 0 mm 5 Hex 2 Silver 3 kgcm 5 0 mm 6 M2 5 2 Black 3 kgcm 8...

Page 57: ...Mainboard Backup Batteries 1010 Battery Pack 1030 Keyboard Assembly 1040 Bottom Cover 1050 Step Size Quantity Color Torque Length 6 M2 0 3 N A 3 kgcm 6 0 mm Note Make sure you use the correct screw an...

Page 58: ...ng the bezel cover loose The plastic tabs that hold it securely to the LCD unit are easily damaged Remove the screw covers Step Size Quantity Color Torque Length 2 M2 5 2 Black 3 kgcm 4 0 mm Note Make...

Page 59: ...attery Pack 1030 Keyboard Assembly 1040 Bottom Cover 1050 LCD Bezel 1070 1 TURN THE WORKPAD Z50 OVER Remove the LCD unit Step Size Quantity Color Torque Length 3 M2 5 4 Black 3 kgcm 4 0 mm Note Make s...

Page 60: ...WorkPad z50 Mobile Companion 45 1090 Inverter Card and LCD Panel Backup Batteries 1010 Battery Pack 1030 Keyboard Assembly 1040 Bottom Cover 1050 LCD Bezel 1070...

Page 61: ...5 4 N A 3 kgcm 4 0 mm 5 Hex 2 N A 3 kgcm 5 0 mm Note Make sure you use the correct screw and tighten the screw to the torque specified 1110 FPC Assembly Backup Batteries 1010 Battery Pack 1030 Keyboa...

Page 62: ...Mobile Companion 47 1120 Speaker Backup Batteries 1010 Battery Pack 1030 Keyboard Assembly 1040 Bottom Cover 1050 1130 Microphone Backup Batteries 1010 Battery Pack 1030 Keyboard Assembly 1040 Bottom...

Page 63: ...e all built into the mainboard If any of these devices has malfunctioned you must replace the mainboard 1150 PC Card Slot Assembly Backup Batteries 1010 Battery Pack 1030 Keyboard Assembly 1040 Bottom...

Page 64: ...WorkPad z50 Mobile Companion 49 Note Make sure you use the correct screw and tighten the screw to the torque specified...

Page 65: ...50 IBM WorkPad z50 Mobile Companion 50 1160 RJ 11 Assembly Backup Batteries 1010 Battery Pack 1030 Keyboard Assembly 1040 Bottom Cover 1050...

Page 66: ...Button Board Backup Batteries 1010 Battery Pack 1030 Keyboard Assembly 1040 Bottom Cover 1050 Step Size Quantity Color Torque Length 1 M2 0 1 N A 3 kgcm 6 0 mm Note Make sure you use the correct screw...

Page 67: ...1040 Bottom Cover 1050 Mainboard 1060 LCD Bezel 1070 LCD Unit 1080 Microphone 1130 PC Card Slot Assembly 1150 RJ 11 Assembly 1160 Hardware Button Board 1170 Step Size Quantity Color Torque Length 1 M2...

Page 68: ...er release latch 2 LCD display 3 Brightness control buttons 4 Contrast control buttons 5 Notification button 6 Notification LED 7 Microphone button 8 External Power Charge status LED 9 Power button 10...

Page 69: ...on 54 Left View 1 RJ 11 connector 2 External earphone jack 3 Microphone jack 4 PC card eject button 5 PC card slot Right View 1 External monitor port 2 CompactFlash slot 3 CompactFlash eject button 4...

Page 70: ...View 1 Power jack 2 Battery release lock 3 Battery release latch 4 Lock keyhole Bottom View 1 Backup battery compartment 2 Built in monophonic speaker 3 OS ROM and DRAM compartment 4 Reset switch hol...

Page 71: ...56 IBM WorkPad z50 Mobile Companion 56 System Unit Parts Listing 1 2 3 4 5 6 7 8 9 10 11...

Page 72: ...ON PLATE 1 K B SEAL SUPPORT 1 K B WATERPROOF TAPE 4 EMI SPONGE 740031 5m m 1 3 H W BTN BOARD ASS Y 1 MAIN BOARD ASS Y 10L1217 1 4 MAIN BOARD ASS Y EU 30L2168 1 ROM CARD USA 10L1218 1 ROM CARD JAP 10L1...

Page 73: ...RTER ASS Y 10L1216 1 INV MODULE AMB 1 3 INVERTER MYLAR W COPPER TAPE 1 LCD COVER ASS Y 05K5933 1 LCD COVER 1 LCD SHIELD 1 LCD SHIELD TAPE 1 COVER LOGO WORKPAD 1 HOOK KNOB 1 HOOK SPRING 1 MAGNET LCD CO...

Page 74: ...3 P NI NYLOK 10 SCREW M2 0 6 P NI NYLOK 10 SCREW M2 5 6 I BNI NYLOK 20 SCREW M2 5 8 1 BNI NI NYLOK 10 SCREW M2 5 4 P BNI NYLOK 20 STUD 10 I V NUT 10 SCREW CAP 10 Option Parts FRU List ITEM DESCRIPTIO...

Page 75: ...amaica Mexico Netherlands Antilles Nicaragua Panama Peru Philippines Saudi Arabia Suriname Taiwan Trinidad West Indies United States of America Venezuela 76H3518 Austria Belgium Bulgaria Czech Republi...

Page 76: ...ucts except those expressly designated by IBM are the responsibility of the user IBM may have patents or pending patent applications covering subject matter in this document The furnishing of this doc...

Page 77: ...IBM Part Number 37L2095 Printed in U S A S37L 2 95...

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