Operating instructions

37’’ LCD TV RCA L37WD23
24
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 U601
NG
Re
p
lace U601
Check Earphone
j
ack
NG
Re
p
lace the Ear
p
hone
j
ack
OK
Check s
p
eaker
NG
Replace speaker
OK
NG
Re
p
lace U701
Check U701
Check U103
Re
p
lace U103
OK
Check U101
Replace U101
Check U401
Re
p
lace U401