Dicas Reparação
Modelo - Chassis KV2645R
Pesquisa: KV2645R Enviar Dica Resolvida
Resultados 32
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV2645RS | CHANNEL WOULD NOT LOCK, ADJ T205 AFT COIL | Would not lock on to cable channel #14. Cable companyrunning mid-band channels 1.2MHz to 1.9MHz below accepted centerfrequency. | ||
| Sony | KV2645RS | INCORRECT PICTURE POSITION, ADD CAP | Unable to center picture horizontal. Picture off to the leftby 1/2 inch with TAP plug into RIGHT position. Servicer changed yoke,diodes D519, D518 and resistors around center area. I changed severalcapacitors. Customer has had this problem from the f | ||
| Sony | KV2645RS | PIN CUSHION, ADD RESISTOR IN SERIES WITH R809 | Pincushion correction at top and bottom near the corners isalmost null. -HQ COMMENTS: To correct the problem place a 15 ohm 1W resistor inseries with R809 (100 ohm 1W) and readjust pin phase and pin ampcontrols. | ||
| Sony | KV2645RS | TUNING WOULD NOT LOCK, REPLACED S2262 | TV would continuously scan through all channels. Foundchannel up button closed. | ||
| Sony | KV2645R | DARK PICTURE, REPLACED R-751 | Dark picture like weak CRT. Found R751 changed value. | ||
| Sony | KV2645R | NO REMOTE OPERATION, REPAIRED CRACK ON N BOARD | Unable to control operation with remote. Found hairlinebreak on N board. | ||
| Sony | KV2645RS | COLOR DISTORTION, REPLACED R751 | Bleeding color (red). Found R751/470kohm resistor changedvalue. | ||
| Sony | KV2645RS | NO OPERATION, REPLACED Q203, D202 AND R533 | No raster, no sound and channel indicator does not light up. | ||
| Sony | KV2645R | NO PICTURE, REPLACED Q006-8 AND D012 | No reception on all channels. Found no VC, no 12V at thetuner. All displays and addressing OK. Found Q006-8 transistors shortedand D012 defective. | ||
| Sony | KV2645R | DEAD, REPLACED C019 | Set would not turn on. Found C019 shorted. | ||
| Sony | KV2645R | AUDIO HISS NOISE, REPLACED IC401 | Left channel of matrixed side had distortion plus somebackground hiss, right side sounded good. Disrotion showed up mainlyon music, and background noise only showed up when no voice or musiccame from TV. | ||
| Sony | KV2645R | SNOW PICTURE, REPLACED BT981 PRESCALER | Unit goes to snow. Substituting tuner didn't cure problem.Voltages around front end seems to be at spec. Tried prescaler andthat solves the problem. | ||
| Sony | KV2645R | POOR REMOTE OPERATION, REPLACED Q1 | Remote would operate intermittently and is usable up to6 feet from cabinet. Q1 on head amp board noisy - collector voltage onQ017 on MD board was varying between 4 and 8 volts. | ||
| Sony | KV2645R | INCORRECT OPERATION, REPLACED X002 | When master power switch turned off and unit allowed to cooldown, it would take approx. 2-3 hours for any function to operate afterapplying power. Cooling the ceramic osc. X002 would cause unit to shutdown and all functions became inoperative. | ||
| Sony | KV2645R | PICTURE DARK WITH EXCESSIVE COLOR, REPLACED R-751 | Color overload or flaming color. Color was especiallyextensive mostly in the red spectrum. Even when the color was turneddown, some overload still existed. |