Samsung CB20H42TSXXEC Owner's Instructions Manual page 98

5-3 No Video (Sound OK)
Check IC201S
Pin 40 (CVBS)
Check IC201S
Pins 38/R214, R215
Check IC201S
Pin 49 (V-GUARD)
Pin 50 (Cut-off)
Pin 51~53 (R,G,B-out)
Check IC501
on the CRT PCB
Check/Replace
R421, R505 (HEATER 6.3Vrms)
D503 (CRT G1 pin)
CRT, V999S
Samsung Electronics
No
Yes
No
No
Yes
No
Check/Replace
IC201S
Check/Replace
IC201S
Check/Replace
IC501
Troubleshooting
5-3