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
Copyright IBM Corp. 1999
47
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