Samsung CT20F3FNT Service Manual page 30

5-3 No Sound (Video OK)
* STEREO
Abnormal
Check
IC201S,TUNER
Samsung Electronics
Checkthe signal
Output from CN603
CN604
Abnormal
Check IC601
Pin1,2,14,15
Abnormal
Check IC201S Check IC201S
Pin28(MIS)
Normal
Check/Replace
Check ICS601
IC201S
B+/SDA/SCL
Normal
Check/Replace
ICS601
Normal
Check
Speaker and Wire
* MONO
Abnormal
Pin28
Normal
Check TUNER
Normal
Check IC601
B+
Abnormal
Check
R608,R609
Normal
Replace/ Check
Check FD801S
D807
Normal
See
No Power
Troubleshooting
Normal
Replace
IC601
Abnormal
IC601
Abnormal
Replace
FD801S,D807
5-3