Operating instructions

ManualsBrandsAOC ManualsLCD TVL42W665 -

42’’ LCD TV AOC L42W665

26

4. No sound

Check the source

OK

Reset source

NG

Check si

g

nal filter circuit

NG

Re

p

lace the filter or inductance

OK

NG

SIF si

g

nal Check TV s

y

stem setu

p

OK

Check TU701

Replace TU701

A

V, Com

p

onent, PC si

g

nal

Check U600

NG

Re

p

lace U600

Check Ear

p

hone

j

ack

NG

Re

p

lace the Ear

p

hone

j

ack

OK

Check s

p

eaker

NG

Re

p

lace s

p

eaker

OK

NG

Replace U701

Check U701

Check U103

Re

p

lace U103

OK

Check U101

Replace U101

Check U401

Re

p

lace U401

NG

Check U1, U2, U3

Check U1, U2, U3

NG