Extend Mic And Speaker Failure - Acer Aspire S5-391 Service Manual

Extend MIC and Speaker Failure

If the extended microphone or speaker fails, perform the following:
Check audio/B
Cable assemble
Check audio/B
Check audio/B
Troubleshooting
Start
OK
OK
OK
OK
cable
OK
Swap M/B
Figure 4-8. Extend MIC and Speaker Failure
NG
Connect it well
NG
Swap audio/B
Swap audio/B
NG
cable
4-12