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F
Audio abnormal
Havepicture, no sound
Check if voltage o f R , L p i n
of XP202 is normal
Yes
Is N202 and N203signal
output?
Yes
Istransistor V208 and
V209 for mute usage
brokendown?
Yes
Normal
No
Check connectionbetween R, L pinofXP202
No
Check 4558andsurrounding components
No
Replace transistor
and PCM1723
11
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