Operating instructions

47″LCD TV AOC L47H861
22
5. No sound
Check the source
OK
Reset source
Check si
g
nal filter circuit
NG
Replace the filter or inductance
OK
NG
SIF si
g
nal Check TV s
y
stem setu
p
OK
Check TU201
Replace TU201
Check U601, U602, U603
NG
Re
p
lace U601 or U602 or U603
Check Earphone
j
ack
NG
Re
p
lace the Ear
p
hone
j
ack
OK
Check s
p
eaker
NG
Re
p
lace s
p
eaker
Check U401
Replace U401
HDMI si
g
nal
NG
Check U501,
U502, U503, U504
NG
ReplaceU501,
U502, U503, U504