No Sound (Video Ok); No Ttx - Samsung CZ20F42TSXXEH Service Manual

Troubleshooting

5-4 No Sound (Video OK)

Pin 44 (Sound Out)
Pin 3,13 (B+ 10-12.5V)
A/V Front assembly.

5-5 No TTX

Check IC201S
See No Video
5-4
Check IC201S
No
Yes
Yes
Check IC601
Pins 6 (0V)
No
Check IC601
No
Yes
No
Check IC601
Yes
Check/Replace
No
Yes
Check/Replace
IC201S
Check/Replace
Q904, IC201S
Check/Replace
R814, R815
Check/Replace
IC601
Check/Replace
IC201S
Samsung Electronics