Samsung TXK3276 Service Manual - Page 31
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5-3 No Sound Normal Check the Speaker Wire Connection Troubleshooting No Sound, but Picture is in normal operation Check the CN602 Connection and Signal Abnormal Normal Check 14V Line Abnormal Check IC602 #7 (If the pin is in low state, Sound is mute) Normal Abnormal Check D816, Q906 Check IC601 #24, #25 Abnormal Normal Check IC601 Input Voltages (5V,8V) Normal Replace IC602 Abnormal Check the coils around IC601 Check IC601 Input Signal Abnormal Normal Replace IC601 Check the Tuner Check FA803S Samsung Electronics 5-3
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Troubleshooting
Samsung Electronics
5-3
5-3 No Sound
No Sound, but Picture is
in normal operation
Check the CN602
Connection and Signal
Check
14V Line
Check
IC601 Input
Voltages (5V,8V)
Check
IC601 #24, #25
Check
D816, Q906
Normal
Normal
Replace
IC602
Check
IC601 Input Signal
Replace
IC601
Normal
Normal
Normal
Check
FA803S
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Normal
Check
IC602 #7
(If the pin is in low state,
Sound is mute)
Check the Speaker
Wire Connection
Check
the coils around IC601
Abnormal
Check
the Tuner