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2 Troubleshooting Procedures
TECRA S3 Maintenance Manual (960-532) [CONFIDENTIAL] 2-55
Procedure 2 Connector Check
The sound function-wiring diagram is shown below:
Any of the connections may be disconnected. Disassemble the computer following the steps
described in Chapter 4, Replacement Procedures and perform the following checks:
1. If the stereo speaker or internal microphone does not work correctly, perform
Check 1.
2. If the external microphone or headphone does not work correctly, perform
Check 2.
Check 1 If the stereo speaker or internal microphone does not work properly, the speaker
cable or internal microphone cable may be disconnected. Make sure the speaker
cable is firmly connected to CN6170 on the system board and the internal
microphone is firmly connected to CN6050 on the system board. If the stereo
speaker or internal microphone is still not functioning properly, go to procedure 3.
Check 2 If the external microphone or headphone does not work properly, the external
microphone cable or headphone jack may be disconnected. Make sure the external
microphone cable is firmly connected to J6051 on the system board and the
headphone jack is firmly connected to J6310 on the system board. If the external
microphone or headphone is still not functioning properly, go to procedure 3.
Formatted:
Indent: Left: 53.85
pt, Hanging: 17.85 pt, Numbered
+ Level: 1 + Numbering Style: 1,
2, 3, … + Start at: 1 + Alignment:
Left + Aligned at: 18 pt + Tab
after: 36 pt + Indent at: 36 pt,
Tabs: 18 pt, Left