AOC ENVISION L26W661 Service Manual page 22

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26" LCD TV
3. Abnormal display
Check the source
OK
Check signal filter circuit
OK
OK
Check U401
NG
Reset source
NG
Replace the filter or inductance
TV signal
NTSC, AV,
Component, PC signal
HDMI signal
NG
Replace U401
QQ:505966338
Check TV system setup
OK
NG
Check TU701
OK
NG
Check U701
NG
Check U108
Check U107
Check U414, U415
22
ENVISION L26W661
Replace TU701
Replace U701
Replace U108
NG
Replace U107
NG
Replace U414, U415