Samsung CK564BZR1X/BWT Service Manual page 28

5-3 No Video (Sound OK)
Samsung Electronics
Check IC201
Pin 12,37 (8V)
Yes
Check IC201
Pin 6 (CVBS)
2Vp-p
Yes
Check IC201
Pins 19, 20, 21
(R/G/B-OUT)
Yes
Check IC202
pin 27 (Y-IN)
Yes
Check IC501, 502,
503 on the CRT PCB
Yes
Check/Replace
R527 (HEATER 6.3Vrms)
CRT, V999
No Check/Replace
IC804 KA7630
No
Check/Replace
No
Check/Replace
No
No
Check/Replace
IC501, 502, 503
IC201
IC201, R242
Troubleshooting
5-3