Samsung CW29Z68PSGXXEC Service Manual page 39

Troubleshooting
5-2 No Sound
Check
SPEAKER and WIRE
Check
TUNER B+ and SIF
5-2
NO SOUND
Check the
Normal
signal of CN601
Check the
Abnormal
input signal
of IC601
Normal
Check
IC601 B+
Normal
Check the signals
of pins 47,44,are input
Normal
Check the signals
of pins 25,24 are input
Normal
Repace IC601
Abnormal
Check the
Abnormal
input signal
of IC602 pins 7,11
Abnormal
CheckB+(BV) LINE
R815, IC805, FA802S
Normal
Check
IC602 B+
Normal Abnormal
Replace IC602
Check FA803S
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