22’’ LCD TV AOC L22W631
22
4. Abnormal display
check TV
system
Check the source
Reset source
Check signal filter circuit
Replace the filter or inductance
IF
signal
check TU100
AV, S-video Comp signal
check LVDS cable
Check input
signal
replace LVDS cable
check panel
replace panel
NG
OK
NG
OK
OK
NG
replace TU100
NG
Readjust
system
OK
Check U203,U204
NG
Replace U203 or
U204
Check U201
OK
NG
Replace U201
Check U107
NG
Replace U107
OK
PC
,
Comp signal
Check U401
OK
OK
NG
Replace U401
NG
OK
NG
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 ...