Dicas Reparação SONY
Modelo - Chassis
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Resultados 18945
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2647R | SET ON/OFF REPEATEDLY, OPEN R-143 | When AC cord is plugged in, the unit turns itself on and offrepeatedly. If the plug to socket labelled MF-5 was disconnected, theset stayed on and would not turn off at all. With this connector removed,there was no DC voltage at Pin 21 of IC101 and yet | ||
| Sony | KV2145R | SHUT DOWN, LEAKY Q881 | Set would shut off once or twice a week. Problem wasisolated to Hi-voltage shut down CRT. Found Q881 leaky. With a newtransistor shut down voltage increased by 112V, changed dividerresistor for correct voltage. | ||
| Sony | KV1948R | COLOR DISTORTION, COLOR KILLER ADJ | While watching old B/W movies, the customer is unhappy withcolor confetti which flashes through picture. -HQ COMMENTS: We were able to eliminate color confetti problem in ourlab set (KV1547R) by adjusting color killer level using the followingvoltage di | ||
| Sony | KV1946R | INCORRECT TUNING OPERATION, OPEN L508 | Tuning OK, but would not hold channels in memory. | ||
| Sony | KV1923 | SOUND DISTORTION, REPLACED IC CX760 | Sound becomes garbled as volume is increased. | ||
| Sony | KV1914 | COLOR DISTORTION | New picture tube would go soft on one of the colors - firstwas the red, second time the blue. Found filament voltage from theflyback incorrect. Peak to peak was 30V S/B 22, also ringing. | ||
| Sony | KV1913 | INCORRECT COLOR | Incorrect color phasing. FSC had replaced CRT (becausepicture was dark) with new CRT installed the screen controls did notaffect the proper color stripe on the trinitron-red controlled green-green controlled blue and blue controlled red. With NYSC colo | ||
| Sony | KV1747R | INCORRECT TUNING FUNCTION | No VHF channels, only snow. UHF channels OK. | ||
| Sony | KV1715R | NO PICTURE | Intermittently this unit would lose video and the raster wouldget very bright, with retrace lines. | ||
| Sony | KV1541R | VERTICAL ROLL AND FOLDOVER, REPLACED C574 AND Q551 | Vertical roll and fold over problem. | ||
| Sony | KV1513 | SHUT DOWN | Horizontal shut-down after unit is turned on. | ||
| Sony | KV1217 | SHUT DOWN, CLEANED AND ADJUSTED HOR. FREQ. CONTROL | Set going into HV shut down intermittently when turned on.Set would also horizontal freq. adjustment was on very edge of locking. | ||
| Sony | KP7225 | DEAD, YOKE CONNECTOR LOOSE CAUSED OTHER PARTS TO FAIL | Initial problem - dead. Replaced IC301 and Q202 on a boardplus F602, 1.6A fuse on board. This restored sound and Hi voltage.CRT's were blanked out. Further examination disclosed Q601, regulatordriver, Q609, regulator, R609 150 ohm at 1/8W open which d | ||
| Sony | VTX1000R | CH 14 WOULD NOT LOCK | Cable Ch. 14 could not lock in on a cable co. using HRC cablesystem. AFT is not pulling far enough down to lock on Ch. 14. | ||
| Sony | VTX1000R | TUNING WOULD NOT LOCK | At turn on, unit would display random channels, never the lastchannel which was displayed at turn off. Inspection of circuit revealedno reset pulse at Pin 7 of IC001 on A board. This pulse is supplied fromIC002. Voltage check on IC002 showed only abou |