Read LG 32LX3DC-UA32 / LX3DCS-UA (CHASSIS:AL-04CA) Service Manual online
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No Sound
Replace Connector
Replace Power Board
Replace A_Board
Replace Speaker
Check Sound supply:
A_board P817 #1, #2 18V
Power board 15Pin
Connector
check
Fail
Fail
Fail
Pass
Pass
Pass
Speaker output check :
Is there waveform of P601 #1?
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