AOC L32W661 Service Manual page 23

32‟‟ LCD
TV
4. No sound
Check the source
OK
Check signal filter circuit
Check Earphone jack
OK
Check U401
Check U601
OK
Check speaker
NG
Reset source
NG
Replace the filter or inductance
NG
Replace the Earphone jack
SIF signal
AV, Component, PC signal
Replace U401
NG
Replace U601
NG
Replace speaker
Check TV system setup
OK
NG
Check TU701
OK
NG
Check U701
Check U103
OK
Check U101
24
AOC L32W661
Replace TU701
Replace U701
Replace U103
Replace U101