Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | KV1712 | DARK PICTURE | Raster very dark. Chroma information present but no Y signalat output of Y amplifier. I found DC level at Pin 14 of IC401 was veryhigh and no video here as viewed on scope. Disconnecting Pin 14 from PCboard restored the video signal at Pin 14, IC401. |