Dicas Reparação
Modelo - Chassis KV1997R
Pesquisa: KV1997R Enviar Dica Resolvida
Resultados 4
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1997R | COULD NOT TURN ON UNIT MANUALLY, REPLACE R-617 | Remote ON/OFF works fine. Could not turn on unit manually,It took two pushes of power button to turn on unit. R-609 providesnegative supply when set is turned on. Once set is off, R-617 shouldsupply the negative voltage. Negative voltage was not pres | ||
| Sony | KV1997R | CB INTERFERENCE | CB interference heard from the speaker, even when the set isoff. -HQ COMMENTS: Please refer to service bulletin No. CTV288R. | ||
| Sony | KV1997R | ONLY POWER ON & NO POWER OFF, SHORTED C133 | Only power on, could not power off. Sleep light would notcome on at power on. No function. Servicer had replaced IC103 and IC105still same problem. Had V pulse Pin 4, clock OK, reset OK, had noiseat H sync. | ||
| Sony | KV1997R | INCORRECT RESISTOR VALUE, R561 SHOULD BE 6.8 KOHMS | Schematic (P25) and parts list (P38) both indicate R561resistor (in the collector circuit of Q501, horizontal drive transistor)should be 6.8 ohms. In fact, in the unit this is 6.8 kohms, which agreeswith other models in the P3 chassis series. -HQ COMME |