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Tuner Audio Out Abnormal
Tuner line signal is OK?
for IC4N01 (5V,8V)is OK?
4.5MHz signal from 13 pin
If TIC1 is normal, refer to
Samsung Electronics
Yes
Supplied power
(jack PCB)
Yes
of tuner(TM1) is OK?
Tuner Audio
Yes
Does TY1 make
18.432Mhz signal?
(jack PCB)
Yes
audio line in abnomal
No
Tuner line connect TV directly.
No
Check its power line or around elements
No
Check the SIF signal or tuner
No
Check TY1 or around elements
Troubleshooting
5-15
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