Dicas Reparação
Modelo - Chassis KV27V55
Pesquisa: KV27V55 Enviar Dica Resolvida
Resultados 34
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27V55 | NO PICTURE NO SOUND BUT HIGH VOLTAGE, IC301 | TV turns on but no picture and no sound, but has highvoltage. When increasing screen voltage (G2) you can see horizontal line. Vertical drive pulses missing from IC301 M Board. | ||
| Sony | KV27V55 | NO PICTURE OR SOUND BUT HIGH VOLTAGE, IC301 | TV turns on but no picture or sound only high voltage. Whenscreen voltage increased on G2 horizontal line shows. Measured verticaldrive, pulses missing from IC301 M board. | ||
| Sony | KV27V55 | POOR PURITY, REPLACED CRT | Unit came in with bad purity problem. Blotch in top right ofscreen. No physical damage, except for small scratch on bezel. | ||
| Sony | KV27V55 | DEAD, REPLACED C626 | Unit dead. Although power supply was oscillating, thestandby voltage was insufficient due to leaky C626. C626 filters standbyline right off rectifier. Replacement solved problem. | ||
| Sony | KV27V55 | BUZZ IN SPEAKERS, SEE SB 250R1 | Customer complained about slight buzz from speakers. This is the same problem that J. Kolokithias had in PA. It also happens that this svcr is in PA. Same problem as I reported on KV27XBR37. -HQ COMMENTS: Please r | ||
| Sony | KV27V55 | DISTORTIOIN ON LEFT CHANNEL, REPLACED D407 | Distortion on left channel, while looking for this problem Ifound 2 diodes, D406 and D407, not listed in the service manual part listor the schematic. One of them shorted. | ||
| Sony | KV27V55 | NEW "H" BOARD CONNECTOR CN155 DIFFERENT | Ordered a replacement H Board. Original boardconnector CN155 had 8 pins new one has 9 pins. -HQ COMMENTS: The original board is not available. The H boardfor model KV-27V10 uses the same H Board with the addition of theLuminance responder circuit. R | ||
| Sony | KV27V55 | SCAN LINE MISSING 1/3 DOWN ON SCREEN., REPLACED CRT | Looks like missing scan line across the screen about 1/3 theway down from the top. | ||
| Sony | KV27V55 | DEAD, REPLACED R607, Q601, Q602, VDR601 AND R644 | Unit dead R607 open and Q601, Q602 defective. Replaced theseparts unit had no standby found R644 open. Checked VDR601 and it measured120k. | ||
| Sony | KV27V55 | SPANISH CHR AND PIX SHIFTED TO RIGHT, RESET ID CODES | Unit 6 months old. One day had spanish chr on screen and pix shifted to the right. Also, SAP activated, Menu shifted to right. Suspected a power surge/etc. none of the other clocks in the house were reset. | ||
| Sony | KV27V55 | PIP DOES NOT HAVE SYNC., RESOLDERED Q3201 | Child picture does not have vertical or horizantal sync. Found Q3201/collector was not soldered from the factory. | ||
| Sony | KV27V55 | MENU ITEMS APPEAR IN SPANISH, RESET ID CODE 52 | Menu items appear in spanish. | ||
| Sony | KV27V55 | WHEN CONNECTED TO CABLE CIRCUIT BREAKER TRIPS | When set is connected to the cable line the customers GroundFault circuit breaker trips. Current between the cable (unconnected) andthe Antenna terminal of the TV was 6.5ma. The breaker will trip at 5 ma. -HQ COMMENTS: The earth ground of the AC out | ||
| Sony | KV27V55 | POOR B+ REGULATION, REPLACED IC601 | H-WIDTH WAS SMALL AND VERTICAL SIZE WAS TOO LARGE. B+ WASLOW. FREEZING IC601 BROUGHT PIX BACK TO NORMAL. | ||
| Sony | KV27V55 | POOR B+ REGULATION, REPLACED POWER MODULE IC601 | H-WIDTH WAS SMALL AND VERTICAL SIZE WAS TOO LARGE. B+ WASLOW. FREEZING IC601 BROUGHT PIX BACK TO NORMAL. |