20” LCD TV Color Monitor AOC L20W431
27
5. No Sound
Check the source
Reset source
Check signal filter circuit
NG
Replace the filter or inductance
Check TU100
Replace TU100
AV, component, S-video, PC signal
Check Amplifier TPA3002D2 U606
Replace U606
Check Earphone jack
Replace the Earphone jack
Check speakers
Replace speakers
Check relative circuit
No sound
OK
NG
OK
NG
OK
NG
OK
OK
NG
NG
OK
NG
OK
NG
Check TV system setup
SIF signal
Содержание L20W431
Страница 20: ...20 LCD TV Color Monitor AOC L20W431 20 6 Remove the 15 screws to remove the bezel ...
Страница 21: ...20 LCD TV Color Monitor AOC L20W431 21 7 Remove the ten screws to remove the main frame ...
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Страница 29: ...20 LCD TV Color Monitor AOC L20W431 29 7 PCB Layout 7 1 Main Board ...
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Страница 31: ...20 LCD TV Color Monitor AOC L20W431 31 7 2 Power Board ...
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Страница 33: ...20 LCD TV Color Monitor AOC L20W431 33 7 3 Tuner Board ...
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Страница 36: ...20 LCD TV Color Monitor AOC L20W431 36 7 4 IR Board ...
Страница 37: ...20 LCD TV Color Monitor AOC L20W431 37 7 5 Earphone Board 7 6 Key Board 715T1822 2 ...
Страница 57: ...20 LCD TV Color Monitor AOC L20W431 57 10 Exploded View ...