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IBM ThinkPad 240

Tags : IBMThinkPad240 
IBM ThinkPad 240 Hardware Maintenance Manual

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Description

IBM ThinkPad 240 Hardware Maintenance Manual
Second Edition (October 1999)

This manual contains service and reference information for the IBM ThinkPad 240 products. 
Use this manual along with the diagnostics tests to troubleshoot problems effectively.

Contents
ThinkPad 240 Hardware Maintenance Manual 1
Read This First 1
What to Do First 2
How to Disable the Password . 3
Product Overview . 4
Fn Key Combinations . 5
Status Indicators 6
Checkout Guide . 7
Audio Checkout 8
Fan ASM Checkout 8
Keyboard and Auxiliary Input Device Checkout . 9
Memory Checkout . 9
Modem Board Checkout 10
Power System Checkout 10
TrackPoint Checkout 12
I/O Ports Checkout 13
Power Management Features . 13
Symptom-to-FRU Index 16
Numeric Error Codes 16
Error Messages 18
No Beep Symptoms 19
LCD-Related Symptoms 19
Keyboard-Related 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 Symptom 21
Intermittent Problems . 21
Undetermined Problems 22
CE Utility Program Diskette 23
Writing the VPD Data . 23
Flash UUID 23
Running the Diagnostics 23
FRU Removals and Replacements . 24
FRU Service Procedures 24
1010 Battery ASM . 26
1020 Hard Disk Drive . 27
1030 Keyboard 28
1040 Modem Card . 30
1050 DIMM Card . 31
1060 LCD Unit ASM 32
1070 Upper Cover ASM 34
1080 Speaker ASM 36
1085 Select Button ASM 37
1090 Cable ASM and Cable ASM LED-R 38
1100 Fan ASM 39
1110 Modem Cable ASM 41
1120 Water Channel ASM . 42
1130 System Board 43
1135 Rear Bracket . 45
1140 PCMCIA Slots 46
1150 LCD Bezel ASM . 47
1160 LCD Inverter ASM 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 Parts Listing (LCD Type B) 59
Service Tools . 59
Notices 61
Trademarks . 61




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