Samsung CW29M064VPXXEC Service Manual page 21

Troubleshooting
5-2 No Video (Sound OK)
Check RK,GK,BK
Signal
Nornal
Check the
Voltage of heater
Nornal
Check
CRT and FBT
Check/Replace
5-2
Abnormal
Check R,G,B
Signal into CRT
PCB
Abnormal
Check/Replace
R418,R513, D503
Abnormal Check IC201S
Pin 51, 52, 53
(R.G.B)
IC201S
Check IC201S
Pin 49(V-GUARD)
Abnormal
Pin50(IK)
Check
CRT and FBT
Nornal
Abnormal
Abnormal
Nornal
Nornal
Nornal
Check IC501
B+(180V-B)
Check the Abnormal
resistance of R512
Nornal
Check/Replace
D405, FBT
Re-Adjust
Screen Voltage
Replace
R512
Samsung Electronics