5-2
Samsung Electronics
5-2 No Video (Sound OK)
Troubleshooting
Nornal
Nornal
Nornal
Nornal
Nornal
Nornal
Nornal
Nornal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Abnormal
Check RK,GK,BK
Signal
Check R,G,B
Signal into CRT
PCB
Check the
resistance of R519
Check IC201S
Pin50(IK,V-GUARD)
Check IC501
B+(180V-B)
Check the
Voltage of heater
Check
CRT and FBT
Check/Replace
D407,FBT
Check IC301
+
B Volt
-
Replace
R519
D406,R414,D405,R413
Check/Replace
IC301 Check/Replace
Check
CRT and FBT
Check/Replace
IC201S
Check/Replace
R418,R522,R523
Check IC201S
Pin 51,52,53
(R.G.B)