Dicas Reparação
Modelo - Chassis KV27EXR20
Pesquisa: KV27EXR20 Enviar Dica Resolvida
Resultados 6
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27EXR20 | NO PICTURE OR SOUND, REPLACED D310 | No raster. Set will power up and down. High voltage ispresent. Video is muted. Set has no vertical sweep, but a white line isobserved when increasing G2. IC302/pin 47 was only 1.6v. | ||
| Sony | KV27EXR20 | CLOCK GAINS TIME, SEE SERVICE BULLETIN 87R1 | Clock gains 2 to 12 minutes per hour. -HQ COMMENTS: Please add a 0.1uf capacitor between the base of Q108and ground. Please refer to Service Bulletin 87R1 Schematic diagramfor KV20EXR10 for additional information. | ||
| Sony | KV27EXR20 | DARK PICTURE AND/OR BLUE SNOW, REPLACED Q711 (C BOARD) | On a weak signal or no signal conditions, the screen wouldeither turn blue or have blue or red snow. At times, the picture would bevery dark. I traced this problem to Q711 IK detect buffer. Emitter/Basemeasured about 59 ohms. | ||
| Sony | KV27EXR20 | "H" BRACKET PART NUMBER MISSING, 4-397-916-02 | On the chassis exploded View I need the plastic bracketbehind reference number 3, which clips on to the H Board. This partnumber was omitted from the Service Manual. -HQ COMMENTS: The part number is 4-397-916-02. This part is notavailable from KCP at | ||
| Sony | KV27EXR20 | WILL NOT TURN ON WHEN COLD, REPLACED C-655 ("G" BOARD) | The set will not turn on when it was cold. | ||
| Sony | KV27EXR20 | NO PICTURE AFTER REPLACING IC-102 (MEMORY CHIP), SEE SB 99 | After replacing IC-102, picture would blank. The same wouldoccur in the service mode. Thus, how do we adjust the unit if we can'tsee the adjustments? -HQ COMMENTS: Follow these simple steps: (Also see SB No. TVP0099).1. Before replacing IC-102, chart |