SAMSUNG TV Repair: Common Faults and Solutions.


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SAMSUNG Repair Guide: Common Issues and Fixes

Brand Model Fault Detailed Problem Solution By
SAMSUNGCQA4147
No image, high voltage ok, voltage on g2 above 300 vCheck voltage on pin 12 of the lm1203. if < 2 v check q203, q501 and d501. if > 2 v replace ic101
SAMSUNGCQA4147
No image, high voltage ok, 0v at g2Change c117
SAMSUNGCQA4147
Wide image, excessive brightness, horizontal output transistor burns out after replacementCheck q408
SAMSUNGCQA4147
Image too wide, normal brightnessCheck q406 and d407
SAMSUNGCQA4147
Main fuse blowsCheck q602, d601, d602, d603 and d604
SAMSUNGCQA4147
Power supply only starts after some timeChange c609 and c616
SAMSUNGCQA4147
Power supply does not breakCheck r616, r617, q403. change q403
SAMSUNG551S
No image, fuse ok, noiseD606 and ic601
SAMSUNG450B
Shaky image at the bottomQ419
SAMSUNG450B
Image lightening until completely whiteCold solder on the abl circuit
SAMSUNGCN3338V
Standby only. blinking ledCi vertical output
SAMSUNGSYNC MASTER 3NE
Comet tail.47ufx100v electrolytic c115C115 electrolytic capacitor replaced