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6-3 No Sound
Normal ( 28V)
Check the Pin 5
of the CN601(mute)
Check pins 3 and 5 of
the Audio module
Check/Replace
upc1853 (IC602)
Samsung Electronics
+ _
Abnormal
Check/Replace RL651
Normal
and m-com (IC901
Abnormal
Abnormal
Check/Replace KA2192,
TC4053BP on the A/V switch
Check/Replace
Check pins 9 and 11
of HC651
Normal
Check pins 24 and 22
of the Audio mdl
Abnormal
Check pins 16 and 18
of the audio mdl
TDA9840
Abnormal (0V)
Check D859,D860,
F852, F853 on the SMPS
Normal
Normal
Check/Replace
IC601
Troubleshooting
6-3
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