4. TROUBLE SHOOTING
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Only for training and service purposes
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(1) Check the RF Key FPCB
(2) Check the Output Signal of Main PCB
F-PCB Back side view
Main PCB Front side view
(1) Check the RF Key FPCB
(2) Check the Output Signal of Main PCB
Main MIC
TP1
TWL6040
C829 output signal of SUB MIC
C825 output signal of Main MIC
TP2