AOC L26W831 - No Sound Troubleshooting

26″LCD TV AOC L26W831
21
5. No sound
Check the source
OK
Reset source
Check si
g
nal filter circuit
NG
Replace the filter or inductance
OK
NG
SIF si
g
nal Check TV s
y
stem setu
p
OK
Check TU101
Re
p
lace TU101
Check U602, U603
NG
Re
p
lace U602 or U603
Check Earphone
j
ack
NG
Replace the Earphone
j
ack
OK
Check s
p
eaker
NG
Re
p
lace s
p
eaker
Check U600
Replace U600
NG
Check input signal
OK
OK