AOC L19WA91 - Repair Flowchart: No Sound

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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 TU201
Re
p
lace TU201
Check U600
NG
Re
p
lace U600
Check Earphone
j
ack
NG
Replace the Earphone
j
ack
OK
Check s
p
eaker
NG
Re
p
lace s
p
eaker
Check U605
Replace U605
NG
Check input signal
OK
OK