22’’ LCD TV AOC L22W631
23
5. No sound
Check the source
Reset source
NG
OK
Check input signal
HDMI
Check U306
NG
Replace U306
TV
Check TV
system
readjust
NG
Check TU100
,
U204
NG
Replace TU100 or
U204
Check U201
OK
OK
OK
Replace U201
NG
Check U601
OK
NG
Replace U601
Check speaker
NG
Replace speaker
Check MUTE
Close MUTE
NG
OK
Summary of Contents for L22W631
Page 17: ...22 LCD TV AOC L22W631 17 4 Remove the shield 5 Remove the main board power board ...
Page 25: ...22 LCD TV AOC L22W631 25 6 PCB Layout 6 1 Main Board ...
Page 26: ...22 LCD TV AOC L22W631 26 ...
Page 27: ...22 LCD TV AOC L22W631 27 ...
Page 28: ...22 LCD TV AOC L22W631 28 6 2 Power Board ...
Page 29: ...22 LCD TV AOC L22W631 29 ...
Page 30: ...22 LCD TV AOC L22W631 30 6 3 Tuner Board 6 4 IR Board ...