Dicas Reparação
Modelo - Chassis KV1913
Pesquisa: KV1913 Enviar Dica Resolvida
Resultados 22
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1913 | LIGHT HORIZONTAL LINES AT TOP OF SCREEN, NO FOLDOVER | Horizontal lines appeared at top several inches of screen.There was no picture distortion or foldover. C-529 checked good onZ-meter, but replacement removed problem. -HQ COMMENTS: Thank you for your information. | ||
| Sony | KV1913 | SHUT DOWN | Customer had unit into FSC four times for regulator failure.Found HVR assy cracked. Set has been operating for three months withoutfurther failure of regulator. | ||
| Sony | KV1913 | NO SOUND | No sound, but picture OK. | ||
| Sony | KV1913 | DEAD | This unit initially was found to have a shorted regulator,regulator driver and power module. After replacement we found the B+ tobe low, about 105V. We found neon NL601 in the power supply to be thecause. | ||
| Sony | KV1913 | INTERMITTENT HORIZ. WHISTLE | This unit had a very intermittent horiz. whistle. We foundT502 to be vibrating. | ||
| Sony | KV1913 | CHANNEL NOT LOCK | After 15 minutes, set would go into random timed sound muteand AFT drift in short spurts. Trouble would only show itself whileconnected to cable system in customer's home (Ch. 3) and would not show inservice shop. It was later discovered that Ch. 2 is | ||
| 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 | KV1913 | NO SOUND | No sound, momentary raster. Found Q206 and Q205 leaky whichdrags the 135 B+ low (70V). | ||
| Sony | KV1913 | NO VHF LOW | No low (2-6) channels. Could not get high (7-13) band toturn off. Found D101 leaky. | ||
| Sony | KV1913 | SOUND ONLY ON CHANNEL 5 | Intermittent or garbled sound only on channel 5. Because theproblem was only on channel 5 the audio IC and outputs were ruled out.Monitoring Q107 it was found to be muting on and off when on channel 5.NL2204 was then replaced and the problem was cured. | ||
| Sony | KV1913 | PICTURE DISTORTION | These two units came in with high brightness with retracelines. Found R721 open. | ||
| Sony | KV1913 | SHUT DOWN | At turn on, set would shut down after a few minutes to a fewhours. | ||
| Sony | KV1913 | NO SOUND | Sound goes on and off, cooling C226 would confirm problem. | ||
| Sony | KV1913 | VCR PB PICTURE DISTORTION | Viewing TV normally, off channel no problem set looks good,however, when VCR played through set, top of picture would curve to rightlike flag waving. VHS system is what customer has and complained on.However, distributor put Betamax through unit and sam | ||
| Sony | KV1913 | PICTURE NOISE | This unit exhibited several faint vertical bars on the leftside and middle of raster. |