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Audio-Related Symptoms . . . . . . . . . . . 43
PC Card (PCMCIA)-Related Symptoms ..... 43
Power Management-Related Symptoms ..... 43
Peripheral-Device-Related Symptom . . . . . . 44
Modem-Related Symptoms . . . . . . . . . . . 44
Intermittent Problems . . . . . . . . . . . . . 45
Undetermined Problems . . . . . . . . . . . . 45
Related Service Procedures ............ 47
Flash Memory Update ............. 47
Status Indicators . . . . . . . . . . . . . . . . 47
Power Switch . . . . . . . . . . . . . . . . . 49
Diagnostic Program Diskette .......... 49
Utility Program Diskette ............ 54
Fn Key Combinations ............. 55
Product Overview . . . . . . . . . . . . . . . . . 56
FRU Removals and Replacements ......... 57
Before FRU Removals and Replacements .... 59
Battery Assembly . . . . . . . . . . . . . . . 60
DIMM and DIMM Cover ............ 61
Modem Board Cover and Modem Board .... 62
Keyboard . . . . . . . . . . . . . . . . . . . 63
Hard Disk Drive and HDD Heatsink ....... 65
Hard Disk Drive ................ 66
PCMCIA Holder . . . . . . . . . . . . . . . . 67
TrackPoint Board . . . . . . . . . . . . . . . 68
Processor Heatsink . . . . . . . . . . . . . . 69
Processor EMI Bracket and Processor Board . . 70
RTC Battery (Backup Battery) ......... 71
LCD Assembly ................. 72
Upper Cover (Keyboard Bezel) ......... 73
CD Control Card ................ 75
Modem Connector (RJ11 Cable Assembly) . . . 76
DC/DC Charger . . . . . . . . . . . . . . . . 77
Audio Cable and Speaker Cable ........ 78
Audio PCB . . . . . . . . . . . . . . . . . . 79
Fan Assembly . . . . . . . . . . . . . . . . . 80
Audio Connection Board ............ 81
Diskette and CD-ROM Drives Assembly ..... 82
System Board . . . . . . . . . . . . . . . . . 85
LCD Front Cover ............... 86
Speakers . . . . . . . . . . . . . . . . . . . 87
Inverter . . . . . . . . . . . . . . . . . . . . 88
Indicator Board and Microphone Cable Assembly 89
Hinge . . . . . . . . . . . . . . . . . . . . . 90
LCD Panel and LCD Cable ........... 91
Locations . . . . . . . . . . . . . . . . . . . . . 93
Front View . . . . . . . . . . . . . . . . . . 93
Bottom View . . . . . . . . . . . . . . . . . . 94
Rear View . . . . . . . . . . . . . . . . . . . 94
Switch Locations . . . . . . . . . . . . . . . . 95
System Unit Parts Listing ............. 96
LCD Unit Parts Listing ............... 99
12.1" LCD Unit Parts Listing .......... 99
13.3" LCD Unit Parts Listing ......... 101
vi ThinkPad i Series 1400 HMM