Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV2775R | INTERMITTENT VIDEO, RESOLDERED IF BLOCK | Very intermittent poor video. | ||
Sony | KV2775R | 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 | ||
Sony | KV2775R | 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. | ||
Sony | KV2775R | 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). | ||
Sony | KV2775R | PICTURE SHIFTED, REPLACE IF BLOCK 1-464-597-11 | When TV was first turned on, picture was good. After fiveminutes, the picture had shifted. | ||
Sony | KV2775R | 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. | ||
Sony | KV2775R | DEAD, REPLACE FBT, H OUT, REGULATOR AND FUSE | Dead. | ||
Sony | KV2775R | 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 |