AOC L42H861

42″LCD TV AOC L42H861
26
5. No sound
Check the source
OK
Reset source
Check signal filter circuit
NG
Replace the filter or inductance
OK
NG
SIF signal
Check TV system setup
OK
Check TU201
Replace TU201
Check U601, U602, U603
NG
Replace U601 or U602 or U603
Check Earphone jack
NG
Replace the Earphone jack
OK
Check speaker
NG
Replace speaker
Check U401
Replace U401
HDMI signal
NG
Check U501,
U502, U503, U504
NG
ReplaceU501,
U502, U503, U504