Flow Chart of Troubleshooting
9-6 Microphone Part - Earphone MIC
Earphone mic. does not work
| Yes |
| Not OK | ||
| |||||
Check the connection | |||||
| |||||
from IFC600 |
| ||||
| OK |
| |||
Check the circuit | Not OK | ||||
from IFC600 pin 3,4 |
|
| |||
|
| ||||
to UCP300 |
| ||||
OK
No
Is Earphone MIC working?
Yes
END
Resolder IFC600 pin 3,4
Resolder L503, L504, C528, C532
Change a Earphone
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