Toshiba Satellite Pro M10 Series Maintenance Manual page 96

2 Troubleshooting Procedures
Procedure 2 Connector Check
The sound function wiring diagram is shown below:
Sound board PJ5007
PJ5002
Internal Mic.
Any of the connections may be disconnected. Disassemble the computer following the steps
described in Chapter 4, Replacement Procedures and perform the following checks:
If the stereo speakers don't work correctly, perform Check 1.
If the internal microphone doesn't work correctly, perform Check 2
If headphones or the external microphone doesn't work correctly, perform Check 3.
Check 1 If the stereo speakers don't sound properly, the speaker cables may be disconnected.
Make sure the speaker cables are firmly connected to PJ5004 and PJ5005 on the
system board. If the stereo speakers still aren't functioning properly, go to Procedure
3.
Check 2 If the internal microphone doesn't work properly, the internal microphone cable may
be disconnected. Make sure the internal microphone cable is firmly connected to
PJ5002 on the system board. If the internal microphone still isn't functioning properly,
go to Check 3.
Check 3 The sound board be disconnected. Make sure the sound board is firmly connected to
PJ5006 on the system board. If the sound functions still aren't functioning properly,
go to Procedure 3.
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System board
PJ5006
Satellite Pro M10 Series Maintenance Manual (960-431)
2.12 Sound Troubleshooting
Right speaker cable
PJ5004 Right Speaker
PJ5005 Left Speaker
Left speaker cable