Dicas Reparação
Modelo - Chassis KV1947R
Pesquisa: KV1947R Enviar Dica Resolvida
Resultados 11
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV1947R | CRT SHORTED OUT, REPLACE CRT, Q601, Q901, D516 AND R605A | No picture. CRT shorted out and in turn the followingcomponents went out: Q601, Q901, R605A and D516. | ||
| Sony | KV1947R | NO COLOR ON CHANNEL 5 ONLY, 73MHZ TRAP INSTALLED | No color on channel 5 only. This may be due to the fact thatthe cable company refuses to make cable connection to user unless thecable convertor box is used. | ||
| Sony | KV1947R | FADED PICTURE, C519 OPEN | Faded picture and picture control has no effect. Horizontalripple on Q342 and Pin 4 of IC341, it effects all pins of dynamic picturechip. Found C519 open. | ||
| Sony | KV1947R | SNOWY PICTURE, REPLACE PLL IC005 | Unit does not tune - only snow. No pulse output from PLLchip IC005 into active filter. | ||
| Sony | KV1947R | INTERMITTENT COLOR, L342 | This set had intermittent color from date of purchase.Tapping on A board would cause color to come and go. Following colorsignal path with scope revealed the loss of color at output of L342.In checking this coil with ohmmeter, I verified that in fact, t | ||
| Sony | KV1947R | INCORRECT SOUND MUTE, REPLACE IC001 | Sound would intermittently go off and if you changed channels,the sound would come back on. Problem was being caused by the mutefunction of IC001. | ||
| Sony | KV1947R | NO TUNING MOST CHANNELS, RESISTOR CHANGE | KV-2649R will not tune most channels, only 5 and 6. KV-2647Rwill tune some of them, some sets will and some of same model will not. | ||
| Sony | KV1947R | POOR REMOTE OPERATION, REPLACED IC101 | Intermittent (2-3 weeks) operation in remote and push-buttonfailure. | ||
| Sony | KV1947R | NO VHF, REPLACE IC002 | Set had UHF operation but no VHF operation. No VC was presenton tuner. All switching voltages were correct and verified against aKV-1948R. Applying external DC to VC line tuned all stations. | ||
| Sony | KV1947R | INCORRECT TUNING OPERATION, REPLACED IC001 | Pressing channel up or down button on remote or on the manualfunctions would give no response. Direct access tuning worked. | ||
| Sony | KV1947R | PICTURE DISTORTION, REPLACE IC501 | Total loss of vertical sync. |