AOC L19W631 Service Manual page 23

19'' LCD TV
5. No sound
Check the source
Check MUTE
Check input signal
Check U601
Check speaker
N
G
OK
NG
OK
OK
Check U201
NG
OK
NG
OK
NG
Reset source
Close MUTE
Check TV
TV
NG
Check TU100，
U204
Replace U201
Replace U601
Replace speaker
23
NG
readjust
system
Replace TU100 or
U204
AOC L19W631