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25
TV program sound off
Yes
No
None Yes
Yes None
None Yes
Check pin 7 of N201 for
noise suppression
Check N201
44
for
sound signal output
Check N701
3
5
for sound signal output
Check and
replace N701
Check N701 15
18
for sound signal output
Check N601 and peripheral
circuit components
Check and replace N201
Press mute button, or check
and replace N201
Check V213, R243,
C246 and C706
Maintenance Service and Trouble Shooting