Digital Equipment HiNote VP 500 Series Service Manual page 6

Modifying Flash BIOS ......................................................................................................................... 2-12
Updating Flash BIOS .................................................................................................................... 2-12
Restoring the Flash BIOS .............................................................................................................. 2-12
3 Troubleshooting
Troubleshooting Tips .............................................................................................................................3-1
System Start Failure ........................................................................................................................3-2
Power Supply Failure ......................................................................................................................3-2
Boot-up Failure ...............................................................................................................................3-3
Post Failure .....................................................................................................................................3-3
LCD Panel Failure...........................................................................................................................3-3
CRT Failure ....................................................................................................................................3-4
Notebook Keyboard Failure.............................................................................................................3-4
External Keyboard or PS/2 Mouse Failure.......................................................................................3-4
HDD Failure....................................................................................................................................3-5
FDD Failure ....................................................................................................................................3-5
Battery Failure ................................................................................................................................3-5
Check Points and Error Messages...........................................................................................................3-6
Phoenix BIOS Test Points ...............................................................................................................3-6
Warning Messages ..........................................................................................................................3-9
4 FRU Replacement
Required Tools ......................................................................................................................................4-1
Removing the Battery ............................................................................................................................4-1
Removing FDD/CD Modules and Supplementary Battery ......................................................................4-3
Removing the HDD Assembly ...............................................................................................................4-4
Removing the Keyboard.........................................................................................................................4-6
Removing the CPU ................................................................................................................................4-7
Removing the LCD Assembly and Keyboard Deck ................................................................................4-8
Removing the LCD Display Bezel ....................................................................................................... 4-12
Removing the Status Display/Inverter Board........................................................................................ 4-12
Remove LCD Display Panel................................................................................................................. 4-12
Removing the Touch Pad ..................................................................................................................... 4-14
Removing the DC-to-DC Converter Board ........................................................................................... 4-14
Removing the System BIOS Chip ........................................................................................................ 4-14
Removing the Audio Board.................................................................................................................. 4-15
Removing the Motherboard.................................................................................................................. 4-15
5 FRU List and Illustrated Parts Breakdown
FRU List................................................................................................................................................5-1
LCD Display Assemblies, Panels, Boards, Housing.........................................................................5-1
Motherboards, Daughterboards, Cache, IR, Power...........................................................................5-2
Housings, Heatsinks, Miscellaneous Parts .......................................................................................5-2
Trackpad .........................................................................................................................................5-2
Batteries ..........................................................................................................................................5-3
Keyboards .......................................................................................................................................5-3
Disk Drives .....................................................................................................................................5-3
Option List.............................................................................................................................................5-4
Illustrated Parts Breakdown....................................................................................................................5-6
System IPBs for TS31GS/O/M ........................................................................................................5-6
System IPB List for TS31GS (54CB010YYKx)........................................................................5-8
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