400 Series
2-23
2.7
Keyboard Troubleshooting
To determine if the 400 series keyboard is functioning properly, perform the following proce-
dures. Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1:
Diagnostic Test Program Execution Check
Procedure 2:
Connector and Replacement Check
Procedure 1
Diagnostic Test Program Execution Check
Execute the Keyboard Test in the Diagnostic Program. Refer to chapter 3,
Tests and Diag-
nostics
, for more information on how to perform the test program.
If an error occurs, go to Procedure 2. If an error does not occur, the keyboard is functioning
properly.
Procedure 2
Connector and Replacement Check
The keyboard is connected to the system board by a flat cable. This cable may be discon-
nected or damaged. Disassemble the 400 series as described in chapter 4,
Replacement
Procedures
, and perform the following checks:
Check 1
Make sure the keyboard cable is not damaged and is connected to the system
board.
Keyboard cable
PJ14 System board
If this cable is damaged, replace the keyboard with a new one. If the cable is
disconnected, firmly connect it. Perform Procedure 1 again. If the keyboard is
still not functioning properly, perform Check 2.
Check 2
The keyboard controller on the system board may be damaged. Replace the
system board with a new one. Refer to chapter 4 for more information.
Содержание Satellite Pro 400CDT
Страница 23: ...400 Series 2 3 Figure 2 1 Troubleshooting flowchart 1 2 ...
Страница 172: ...400 Series B 1 Appendix B Board Layout B 1 System Board Front View Figure B 1 Board layout front ...
Страница 173: ...B 2 400 Series B 2 System Board Back View Figure B 2 Board layout back ...
Страница 197: ...E 2 400 Series E 3 German GR Keyboard Figure E 3 GR keyboard E 4 French FR Keyboard Figure E 4 FR keyboard ...
Страница 198: ...400 Series E 3 E 5 Spanish SP Keyboard Figure E 5 SP keyboard E 6 Italian IT Keyboard Figure E 6 IT keyboard ...
Страница 199: ...E 4 400 Series E 7 Scandinavian SC Keyboard Figure E 7 SC keyboard E 8 Swiss German SL Keyboard Figure E 8 SL keyboard ...