Troubleshooting
5-2 No Video (Sound OK)
AbnormalCheck R,G,BNornalCheck IC501NornalCheck RK,GK,BK
Signal into CRT
SignalB+(180V-B)
PCB
Nornal
Re-Adjust
Abnormal
Screen Voltage
Abnormal
Check the
Voltage of heater
Abnormal
Check theAbnormal
resistance of R512
Check/Replace
NornalR418,R513, D503
Replace
NornalR512
Check
CRT and FBT
AbnormalCheck IC201S
Check/Replace
Pin 51, 52, 53
D405, FBT
(R.G.B)
Check/Replace
IC201SNornal
Check IC201S
Pin 49(V-GUARD)
Abnormal
Pin50(IK)
Nornal
Check
CRT and FBT
5-2Samsung Electronics |