RUNNING THE DIAGNOSTICS
ThinkPad 770, 770E, 770X and 770Z
This chapter includes the descriptions for the ThinkPad
770 series computer.
Model-Unique Functions . . . . . . . . . . . . . . 49
Product Overview . . . . . . . . . . . . . . . 49
Status Indicators . . . . . . . . . . . . . . . . 51
Symptom-to-FRU Index . . . . . . . . . . . . . . 52
Numeric Error Codes .............. 52
Beep Symptoms . . . . . . . . . . . . . . . . 57
No Beep Symptoms .............. 57
Audio-Related Symptoms . . . . . . . . . . . 58
CD-ROM-Related Symptoms . . . . . . . . . . 58
DVD-Related Symptoms . . . . . . . . . . . . 59
Function-Related Symptoms . . . . . . . . . . 62
Indicator-Related Symptoms . . . . . . . . . . 62
Infrared-Related Symptoms . . . . . . . . . . . 63
Keyboard- or TrackPoint-Related Symptoms . . . 63
LCD-Related Symptoms . . . . . . . . . . . . 63
Modem (DSP)-Related Symptoms ....... 64
PC Card-Related Symptoms .......... 64
Peripheral-Device-Related Symptoms . . . . . . 65
Power-Related Symptoms . . . . . . . . . . . 65
Other Symptoms . . . . . . . . . . . . . . . . 66
Intermittent Problems . . . . . . . . . . . . . 66
Undetermined Problems . . . . . . . . . . . . 66
FRU Removals and Replacements ......... 68
1010 Battery Pack . . . . . . . . . . . . . . 70
1020 UltraBay II Device or Second Battery Pack 71
1030 DVD and Enhanced Video Adapter .... 72
1040 Hard Disk Drive ............. 73
1050 Backup Battery and DIMM ........ 75
1060 Keyboard Assembly . . . . . . . . . . . 76
1065 Keyboard and Indicator Panel ...... 78
1070 Center Cover and Hinge Cap ....... 81
1080 Power Switch and Bay Eject Lever .... 82
1090 LCD Unit . . . . . . . . . . . . . . . . 86
1100 Standby Battery . . . . . . . . . . . . . 88
1110 Upper Shield . . . . . . . . . . . . . . 89
1120 Speaker . . . . . . . . . . . . . . . . . 91
1130 Video Card . . . . . . . . . . . . . . . 92
1140 Modem Card . . . . . . . . . . . . . . 93
1150 DC-DC Card . . . . . . . . . . . . . . 94
1160 Fan . . . . . . . . . . . . . . . . . . . 97
1170 CPU Card and Heat Sink ........ 98
1180 PC Card Slot ............. 101
1190 System Board, Base Memory, or Cable for
RFID . . . . . . . . . . . . . . . . . . . 102
2010 LCD Front Cover ........... 106
2020 LCD Panel Assembly ......... 108
2030 Inverter Card . . . . . . . . . . . . . 111
2050 Hinge and LCD Cable ......... 112
Locations . . . . . . . . . . . . . . . . . . . . 114
ď›™ Copyright IBM Corp. 1999 47
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