Dicas Reparação




Modelo - Chassis KV2775R


Pesquisa: KV2775R Enviar Dica Resolvida
Resultados 8
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(Chassis)
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SonyKV2775R
INTERMITTENT VIDEO, RESOLDERED IF BLOCK Very intermittent poor video.
SonyKV2775R
NO TUNER CONTROL, REPLACE R-1576 ON "D" BOARD The tuner was locked up on channel 2 and it was not possibleto change volume or picture settings. The 5V line supplying the tuner andD/A was 3.5V. This line is developed via regulators Q-503 and Q-501. Thesource is the flyback at pin 7. We found the
SonyKV2775R
PART NUMBER FOR A/V JACKS, 1-536-970-11 What is the part number for the audio, video jacks on the(U-1) board? -HQ COMMENTS: Jacks are part of the antenna terminal board part numberis 1-536-970-11.
SonyKV2775R
INTERMITTENT BLANKING, REPLACE R-376 ON "A" BOARD The unit exhibited intermittent blanking. All other functionsworked ok. The problem was an intermittent R-376. Replacement resolvedthe problem. -HQ COMMENTS: R-376 is located off B/Q307 (blanking).
SonyKV2775R
PICTURE SHIFTED, REPLACE IF BLOCK 1-464-597-11 When TV was first turned on, picture was good. After fiveminutes, the picture had shifted.
SonyKV2775R
HORIZONTAL SQUEAL BY YOKE This unit had an intermittent horizontal squeal caused bythe yoke. Attempts at covering the coils with silicone rubber, asinstructed by the Tech. Dept., did not resolve the problem.
SonyKV2775R
DEAD, REPLACE FBT, H OUT, REGULATOR AND FUSE Dead.
SonyKV2775R
VOLTAGE OF THE ANODE SIDE OF D606, ABOUT -100V The anode side of D606 is marked -100V on the circuit board.The schematic is marked -33V. You read -100V. Which is correct? -HQ COMMENTS: No. 5 pin of A-10 connector on A board is approx. -100Vactually. This voltage is reduced to -33V by R604 (4.7k O


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