Samsung SPT51A, Руководство по обслуживанию

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