Dicas Reparação
Modelo - Chassis KV1547R
Pesquisa: KV1547R Enviar Dica Resolvida
Resultados 8
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1547RX | INCORRECT PART # IN S/M | Please notice on page 48 that the S3003 is P/N 1-553-656-00.After receiving the wrong part, we looked at the P/N on the switch whichis 1-552-656-21. -HQ COMMENTS: We will publish a S/B on this. | ||
| Sony | KV1547R | INTERMITTENT SOUND | Sound would cut out intermittently on VHF. Unable to receiveUHF above channel 34. Found CATV/Normal switch defective. This is thesecond unit I have found with this problem. | ||
| Sony | KV1547R | VHF TUNING DRIFT AND UHF NO TUNING | Unit displayed several problems: on VHF high and low channelswould drift, sound would mute, unable to get UHF, not all UHF numberswould display. Found CATV switch intermittent. With switch in thenormal position 2.4VDC would appear on IC001 Pin 39 (sho | ||
| Sony | KV1547R | PICTURE BLANKS | Set would play 15 mins., then would start blanking in and out.Vertical would then start shrinking and soon would collapse. | ||
| Sony | KV1547R | VHF CHANNEL FADE OUT | After 30 min. to 1 hour of operation, low VHF channels fadeout. | ||
| Sony | KV1547R | JAIL BARS IN THE PICTURE | Black jail bars in video. All waveforms appear normal. | ||
| Sony | KV1547R | NO LOW VHF | Inspection revealed that VC voltage to tuner would not vary.Voltage at Pin 22, IC005 was always 4VDC, should be 2.1VDC, with nosignal and set tuned in to VHF low. R074 was not soldered on one end. | ||
| Sony | KV1547R | DELAY IN TURN ON, SHORT IC001/PINS 17 & 18 | I noticed that it took 4 seconds for set to come on. Also,when first turned on, response light would not illuminate. Collector ofQ010 always had a DC level on it and a noisy square wave. Pulses werealways present at Pin 18, IC001. Further inspection |