Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
---|---|---|---|---|---|
Sony | STRAV1020 | DISTORTED SOUND | Distorted right channel audio in surround mode. | ||
Sony | STRAV1020 | SERVICE MANUAL CORRECTION | The schematic is incorrect. It shows IC-701 reversed, pins1-15 are shown in the wrong sequence. The voltages on 1-15 are correct asshown in schematic with the exception of B+ and B-. Example: on PCB C702and R702 actually connect to pin 15, on schemati | ||
Sony | STRAV1020 | SERVICE MANUAL CORRECTION | In the service manual, on both the schematic and board layoutportions, overload detector transistor Q-707 is erroneously illustrated. | ||
Sony | STRAV1020 | SILKSCREEN FOR IC-251 PRINTED ON BOARD WRONG | Silkscreen printed on video board for IC-251 on video board isbackwards (ie. 180 degrees). Pin 1 on IC actually corresponds to pin 9on the board. | ||
Sony | STRAV1020 | PROTECTION CIRCUIT ACTIVATED | Protection flashes on front display. Q-719 (relay drive)shuts off de-energizing RY-701. Thus opening the signal path to speakers. |