Dicas Reparação
Modelo - Chassis KV1945R
Pesquisa: KV1945R Enviar Dica Resolvida
Resultados 37
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1945R | INCORRECT TUNING OPERATION, REPLACED ZENER D008, Q006, Q008 | Unable to tune any VHF/UHF stations. | ||
| Sony | KV1945R | POOR REMOTE OPERATION, REPLACED C4 | The range of the remote control was no more than about8 feet. There was excessive noise seen at output of N board, remoteamplifier. | ||
| Sony | KV1945R | NO AUDIO, REPLACED OPEN R232 AND SHORTED Q205, Q206 | No audio. | ||
| Sony | KV1945R | NO PICTURE, C1008 IN PRESCALER SHORTING TO FRAME | The following notes were made in determining problem. 1) Nowave train at PLL IN, TP59. 2) No voltage on Pin 15, IC003. 3) Voltageat tuning point on tuner went to 31.5V and would not vary. Cause - C1008on prescaler was shorting to adjacent frame on p | ||
| Sony | KV1945R | POOR REMOTE OPERATION, RESOLDERED X002 ON MD BOARD | Poor response from remote control. Poor range - missesfunctions. | ||
| Sony | KV1945R | POOR REMOTE OPERATION, RESOLDERED SHIELD TO N BOARD | Weak remote range. This unit had poor shield ground on theN board causing the short range of remote control. | ||
| Sony | KV1945R | COLOR DISTORTION, REPLACE IC301 | No blue, yellow picture. Base voltage at Q701 was 0 volts.Output at Pin 28 at IC301 0 volts, input to IC good. |