User Guide

2.12 Sound Troubleshooting 2 Troubleshooting
2.12 Sound Troubleshooting
To check if the sound function is defective or malfunctioning, follow the troubleshooting
procedures below as instructed.
Procedure 1: Diagnostic Test Program Execution Check
Procedure 2: Connector Check
Procedure 3: Replacement Check
Procedure 1 Diagnostic Test Program Execution Check
Execute the Sound test program available as part of the maintenance test program. See
Chapter 3 for information on how to perform the test.
If any error is detected by the test, go to Procedure 2
Procedure 2 Connector Check
The speaker, internal microphones and headphone are connected to the system board shown in
the following figure.
PJ6004
Headphone
Speaker
PJ6005
Internal microphone
PJ6000
System board
Check 1 Make sure the headphone cable is firmly inserted to the headphone jack (PJ6004 on
the system board). If there is still an error, perform Check 2.
Check 2 The speaker cable may be disconnected. . Disassemble the computer following the
steps described in Chapter 4 and make sure the speaker cable is connected to the
PJ6005 of the system board. If there is still an error, perform Check 3.
Check 3 The internal microphone cables may be disconnected. . Disassemble the computer
following the steps described in Chapter 4 and make sure the internal microphone
cables are connected to the PJ6000 of the system board. If there is still an error,
perform Procedure 3.
Portege M200 Maintenance Manual (960-457) 2-45