Dicas Reparação
Modelo - Chassis KV1975R
Pesquisa: KV1975R Enviar Dica Resolvida
Resultados 13
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1975R | IC-301 NO LONGER AVAILABLE, PLEASE REFER TO TVP SB # 25 | Service Bulletin CTV-0236 states 875201920 is not areplacement for 8-752-008-20. The Kansas City parts screen shows8-752-008-20 as out of stock and the replacement part is 8-752-019-20 ifthis is correct, how do you get it to work? If this is incorrect, | ||
| Sony | KV1975R | RADIO INTERFERENCE, SEE SB CTV0288R | The picture remains free of interference, but the sound ispicking up the transmission. Even with the unit turned off, the sound isstill there. The customer has an amateur radio station. | ||
| Sony | KV1975R | REPLACEMENT IC-301, SEE SB CTV0236 & TVP0025 | When replacing IC-301, the substitute part does not work. -HQ COMMENTS: We have two service bulletins which pertain to the above.Please refer to service bulletin No. CTV0236 and TVP0025 (CSV-1). | ||
| Sony | KV1975R | VERTICAL INSTABILITY, SEE SB CTV0236 | CX20082 is replaced by CX20192, part number 8-752-019-20 percomputer and microfiche. Vertical instability develops when installingthe recommended replacement. In addition, service bulletin 236 indicatesthese ICs are not interchangeable. | ||
| Sony | KV1975R | HORIZ. OUTPUT TRANSISTOR SHORTS, REPLACE HDT T501 | The horiz. output transistor short about every two weeks.Found the drive to it to be incorrect. Replacement of the drivetransformer resolved the problem. | ||
| Sony | KV1975R | INTERMITTENT NO PICTURE AND NO SOUND, C133 SHORTED | This unit had an intermittent no picture, no sound, no rasterand no function control problem. C133 was found to be shorting inter-mittently. | ||
| Sony | KV1975R | INT RED PICTURE, CRT | The picture would turn light red and the brightness levelwould drop for about a minute. The tube would snap and the picture wouldreturn to normal. | ||
| Sony | KV1975R | DEAD, REPLACE Q501, T501 AND R522 | The unit would not power up. We found the problem to becaused by a shorted horiz. drive transistor. The horiz. drive transformerand collector resistor were also defective. While this is not an unusualproblem, it is interesting to note that these compo | ||
| Sony | KV1975R | FINE TUNING DRIFTS, REPLACE C202 | Set will tune stations in, but will drift after a few seconds. | ||
| Sony | KV1975R | NO MANUAL OR REMOTE FUNCTIONS, REPLACE IC105 | If the set was plugged into AC line, it would turn on but thepicture would be snowy. Other times it would not have any manual or remotefunctions other than you could turn it off manualy or with the remote.It would only come on if the the AC cord was disc | ||
| Sony | KV1975R | NO VIP FUNCTION, REPLACE IC103 | The above 6 units came randomly in a period of 2 weeks from2 servicers (all in the city), for no VIP function. Two could be resetfor VIP, the rest remain with no V/P function. Acquired a few new chipsand installed with very good results (CX-520-111N). | ||
| Sony | KV1975R | NO VIP FUNCTION, REPLACE IC105 | Two units without VIP function. Remote, pix, sound andchannel display OK. | ||
| Sony | KV1975R | NO VIP FUNCTION, RESET IC 105 | Servicer had two KV-1975R in which VIP would not function.Used the following procedure to reset the VIP circuit. |