MIC no sound
Check whether the normal
operating current
MIC circuit device without
break or weld
Connectivity check each signal
Check the MIC circuit device
has no break or weld
END
Check MIC welding has no short
circuit
To replace or re welding of MIC
Check U301, replaced or re
welding
Re welding or replace the bad
device
Y
Y
Y
Y
Y
N
N
N
N
To Next Page
Loading...
