AOC L47H831 Betriebsanleitung PDF herunterladen (Seite 21)

42″&47″ LCD TV AOC L42H831&L47H831

21

4. Abnormal display

Check the source

OK

Reset source

NG

Check signal filter circuit

NG

Replace the filter or inductance

OK

NG

TV signal Check TV system setup

OK

Check TU701

Replace TU701

AV/SV signal

Check the circuit from

connector to U401

NG

Replace the failure

component

Check U401

NG

Replace U401

OK

Check panel

NG

Replace panel

PC signal

HDMI signal Check U507 Replace U507

OK

NG

NG

Check the circuit from

connector to U401

Replace the failure

component

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