Dicas Reparação SONY
Modelo - Chassis
Pesquisa: SONY Enviar Dica Resolvida
Resultados 18938
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1948R | VERTICAL ROLL ON WEAK SIGNAL CH., RESOLDERED R581 | Vertical roll on weak signal level. No problem on strongvideo signal. | ||
| Sony | KV1547R | VHF CHANNEL FADE OUT | After 30 min. to 1 hour of operation, low VHF channels fadeout. | ||
| Sony | KP5040 | INTERMITTENT MECHANICAL OPERATION, POOR GROUND CONNECTION | Intermittent door opening. S953 on the motor: one side ofswitch was not tight due to no threads. | ||
| Sony | KP5020 | POOR FOCUS AFTER WARM-UP | After warm-up, picture would go out of focus. Found REDpicture tube focus shorting inside tube. This caused blue and green togo out of focus, since all three tubes (focus) are connected to the sameblock. | ||
| Sony | KX2501A | BEAT PATTERN IN THE PICTURE, RE-ROUTED CABLES P2 AND P3 | There was a beat pattern in the form of a 1 inch vertical lineabout 2 inches in from left side, on ch. 7 only. Moving the AC cordwhere it was connected to the D board would increase or decrease theproblem. | ||
| Sony | KV5200 | RASTER WITH RETRACE LINES | Set came in with all white raster with retrace lines. Audiowas OK. | ||
| Sony | KV2654R | PICTURE UP/DOWN BUTTON STUCK, REPLACE S004/005/006 | Picture up button was stuck. Therefore volume up/down andpicture up/down or channel up/down would not work. Found picture upbutton was worn. This switch was spring loaded in rather than out. | ||
| Sony | KV2649R | DARK PICTURE, OPEN R541 AND SHORTED C531 | Dark picture, slight retrace lines. No screen voltage toCRT G2. | ||
| Sony | KV2647R | NO COLOR, REPLACE IC-501 | Picture was dark and also had loss of color. Scoping IC501Pin 15, horizontal sync pulse was only 6 VPP - should be 11VPP. I haveseen other sets that displayed intermittent dark picture or change of hueonly. All are related to IC501 sync output. The s | ||
| Sony | KV2647R | VERTICAL BARS ON THE SCREEN | This unit had several vertical bars on the left side. | ||
| Sony | KV2647R | MECHANICAL DAMAGE, Q601 LEAD | Leads of Q601 are breaking due to mechanical stress. Duringmanufacture, the leads are being stretched tightly before soldering.As the heat sink flexes during shipping, the leads break. | ||
| Sony | KV2643R | H FLAGGING ON THE TOP OF THE SCREEN, REPLACED IC501 | This unit had slight horiz. flagging at the top of the picturewhen using the still/slow features on an SL-2700. All other modes (offair, cable) worked fine as did other Betamax and VHS sources. The onlyproblem was with the still/slow features on the SL | ||
| Sony | KV1952RS | DARK PICTURE AND RETRACE LINES, SHORTED C548 AND OPEN R555 | Dark pix-retrace lines very faint. No screen voltage toG-2 of CRT. | ||
| Sony | KV1945RS | SOUND DISTORTION, REPLACED LEAKY C116 | Intermittent, uncontrollable sound. Remote inoperative.Indicator light on at all times. All manual functions worked fine exceptpix and sound. | ||
| Sony | KV1930R | PICTURE DISTORTION, REPLACED NE701 ON "C" BOARD | When the brightness and contrast controls are turned up(max. beam current), the picture intermittently flashes and produceslarge horiz. dark lines. We found NE701 on the CRT board to be the cause. |