Dicas Reparação
Modelo - Chassis PVM1271Q
Pesquisa: PVM1271Q Enviar Dica Resolvida
Resultados 5
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | PVM1271Q | NO PIN ADJ AND BRIGHTNESS CHANGES | Two separate problems. The first, no pincushion adjustment.The second, picture goes bright and dark. | ||
| Sony | PVM1271Q | RASTER BUT NO PICTURE, REPLACE Q823 | Raster but no picture, corrected with replacement of Q823. -HQ COMMENTS: Q-823 is part of the Sync Separator Circuit. With No sync,the picture is muted. | ||
| Sony | PVM1271Q | PICTURE HAD SEVERE PINCUSHION | Monitor had a severe pincushion problem and was expandedhorizontally. Pin and horizontal controls had no effect. Traced problemto pincushion transistor Q-806. Voltage at the collector of Q806 was 3.4volts, not 35.1 volts as stated in the service manua | ||
| Sony | PVM1271Q | NO PICTURE | The unit arrived from the Costa Mesa SSC with no picture. Ablue raster present when the set was turned on. The B board had beenreplaced. -HQ COMMENTS: The sync signal to pin 19 of IC103, B board, was presentbut did not look normal. Traced the problem ba | ||
| Sony | PVM1271Q | DEAD SET | Dead set. |