AOC L26W831A Service Manual page 22

5. No Sound
Reset source
Check the source
OK
NG
Check signal filter circuit Replace the filter or inductance
NG
Replace the Earphone jack
Check Earphone jack
OK
Check input signal
SIF signal Check TV system setup
OK
OK
NG
Replace TU201
Check TU201
NG
Replace U405
Check U405
OK
NG
Replace U603, U604
Check U603, U604
OK
NG
Replace speaker
Check speaker
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