3. TROUBLE SHOOTING
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3.13.5 Sub MIC1 Trouble Shooting
A sub MIC1 (called MIC 2 during Loopback Test) is located beside reciver.
It operates in case of camcorder recording
START
Check the Mic signal by test mode
End
2. Check Mic Bias(1.77V) (VA6928)
works well ?
3. Check Mic Output (FB6921) works well ?
Change Main Board
1. Check Mic
hole and mesh and Mic Rubber
Voice Signal OK?
No
No
No
Yes
Yes
Yes
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