Dicas Reparação
Modelo - Chassis KV27TS27
Pesquisa: KV27TS27 Enviar Dica Resolvida
Resultados 22
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| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | KV27TS27 LN-1 | red raster | Sony KV27TS27 LN-1 chassis predominately red picture. | When shorting out the RGB cathodes on the CRT the set will get a perfect black and white picture but shorting out the RGB inputs on the CRT board the set is missing green. Trouble is a defective green output transistor. | Muller |
| Sony | KV27TS27 | INTERMITTENT POWER UP NO PICTURE,EPLACED IC501 | Intermittently unit would go into shut down at power on.When unit stayed on there was no picture, sound was ok. Problem caused bydefective vertical output loading down the flyback sufficiently toactivate protect. A defective vertical is unusual but it | ||
| Sony | KV27TS27 | DEAD,REPLACED Q614 AND IC607 | Unit came in dead, fuses ok. Converter transistor ok, R647ok. | ||
| Sony | KV27TS27 | TUNER HAD ADDITIONAL COLD SOLDER JOINTS THEN IN SB 203R2 | In performing what was required in Service Bulletin 203R2. I found additional bad solder connections, then listed in the bulletin. | ||
| Sony | KV27TS27 | DISTORTED AUDIO AFTER WARM UP, REPLACE MM201 | Audio got distorted after warmup Pin 12 of MM201 looked ok but the ouputs at pins 10 & 11 looked bad. | ||
| Sony | KV27TS27 | PICTURE INT WOULD ROLL OR JITTER, REPLACED C361 | Picture would intermittently roll or jitter and would losecolor purity. | ||
| Sony | KV27TS27 | LOSS OF AUDIO, REPLACED MM201 | The unit had no audio in RF mode. Applying external audioinput, worked fine. | ||
| Sony | KV27TS27 | SNOWY PICTURE, REPLACED RF CONNECTOR T99854851 | Rf connector input terminal diameter being too big. Antennaor cable wire has loose jib. | ||
| Sony | KV27TS27 | INTERMITTENT VERT ROLL, REPLACED C329 | OCCASIONALLY THE PIX WOULD ROLL UPWARD. WHEN COLD UNIT OK. ONCABLE WOULD ROLL MOST OF TIME. ON OFF AIR PIX SEEMED STABLE BUT WOULDOCCASIONALLY FLIP. IT SEEMED DEPENDENT ON SIGNAL STRENGTH, AND DARK SCENESOF PIX WOULD CAUSE SYMPT.SOLUTION: PLUG IN MODULES | ||
| Sony | KV27TS27 | NO POWER, REPLACED IC607 & Q614 ON D BOARD | No power on. Checked the following: Q601/602, R647 - OKstandby voltage - OK IC101-56, pwr on/off - OK IC101-20, relay drive, -OK Q604, relay driver, - OK IC607-1&2 - No change in voltage pin 1 & 2open. | ||
| Sony | KV27TS27 | INTERMITTENT VERT ROLL, REPLACED C329 ON "D" BOARD | OCCASIONALLY THE PIX WOULD ROLL UPWARD. WHEN COLD UNIT OK. ONCABLE WOULD ROLL MOST OF TIME. ON OFF AIR PIX SEEMED STABLE BUT WOULDOCCASIONALLY FLIP. IT SEEMED DEPENDENT ON SIGNAL STRENGTH, AND DARK SCENESOF PIX WOULD CAUSE SYMPT. | ||
| Sony | KV27TS27 | NO BLUE, REPLACED IC301 | NO BLUE IN PICTURE. PIN 14 IC301 WAS 1.9V SHOULD BE 4.4V. | ||
| Sony | KV27TS27 | DARK PICTURE/NO REMOTE FUNCTIONS, RESOLDERED Q005 | Unit had a dark picture and did not respond to the remotecontrol commands. -SOLUTON: Found the emitter of Q005 was not soldered. When theemitter (ground) was resoldered the unit returned to full operation. -HQ COMMENTS: We will send a copy of your rep | ||
| Sony | KV27TS27 | INTERMITTENT PICTURE, RESOLDERED EMITTER OF HOR OUTPUT Q502 | Intermittent no picture. | ||
| Sony | KV27TS27 | BAD/NO PINCUSHINING, RESOLDERED C516 ("D" BOARD) | Found no pincushioning. Found C516 wasn't solderedcorrectly. Resoldered capacitor, but found pincushioning still bad. FoundL507 was getting hot and only read 1 OHM resistance. |