Dicas Reparação
Modelo - Chassis STRAV920
Pesquisa: STRAV920 Enviar Dica Resolvida
Resultados 22
Pedir dica reparação
| Marca | Modelo (Chassis) | Sintoma | Causa | Solução | Por: |
|---|---|---|---|---|---|
| Sony | STRAV920 | INTERMITTENT DISTORTED AUDIO RIGHT CHANNEL | Unit exhibited distorted weak audio on the right channel.While running functional checks of all controls, found input balancecontrol if moved laterally back and forth would cause distortion to ceaseor make it worse. | ||
| Sony | STRAV920 | FM AUDIO BLEEDING TO OTHER SELECTIONS (CD,TAPE,ETC) | We are experiencing a problem on several receivers, allseemingly related to the same component, IC LC7822. The problem occurs atapproximately 80% to 90% power. Infrequently at 40% to 50%. -HQ COMMENTS: A unit in the lab (STRAV920) did have some audio bl | ||
| Sony | STRAV920 | 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 R-702 actually connect to pin 15, on schemat | ||
| Sony | STRAV920 | SERVICE MANUAL CORRECTION | In the service manual, on both the schematic and board layoutportions, overload detector transistor Q-707 is erroneously illustrated. | ||
| Sony | STRAV920 | UNIT BLOWS 3.5 AMP FUSES | Unit came in with blown fuses: F852, and F851. Result was noaudio. I replaced the fuses and put the unit on back bench to test it.Several hours later, the fuses were blown again. | ||
| Sony | STRAV920 | UNIT TURNS ON/NO OPERATION-DISPLAY MALFUNCTIONS | Unit turns on, however, there is no operation and the displayis erroneous. DRLC light stays on all the time, even though DRLC is notselected also EQUALIZER, TUNING, and INDEX lights on the display are onall the time, even if not selected. | ||
| Sony | STRAV920 | NOISE IN AUDIO AT HALF TO 3/4 VOLUME | Hissing noise heard through speakers with no input signal athalf to 3/4 volume only. |