AOC L32W751A Service Manual page 34

32" LCD TV
5.5. No sound
HDMI
OK
Check U504
NG
G
Replace U504
Check the source
OK
Check MUTE
OK
Check input signal
Check U601
OK
Check U603,U606
OK
Check speaker
NG
Reset source
G
NG
Close MUTE
G
TV
OK
Check TU1
NG
Replace U601
NG
Replace U603, U606
NG
Replace speaker
G
34
AOC L32W751A
Check TV readjust
NG
system
NG
Replace TU1