AOC L22W831 Service Manual page 20

22"LCD TV AOC L22W831
4. Abnormal display
NG
Check the source
Reset source
OK
NG
Check signal filter circuit Replace the filter or inductance
OK
Check input signal TV signal Check TV system setup
OK
NG
Replace TU101
Check TU101
AV, S-video, Comp，PC，HDMI signal
OK
NG
Replace U400
Check U400
OK
NG
Replace LVDS cable
Check LVDS cable
OK
NG
Replace panel
Check panel
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