I have 3 Sansui 9090DB receivers, all of which drift off station after about 15 min. I suspect a capacitor changing value when warmed up. Obviously a Sansui design flaw, or poor line of caps. Again, maybe a transistor is changing value when warmed up. Can anyone advise me where to check? I have a schematic I downloaded a few days ago. Others must have experienced this as well. I live in Phoenix, Az. where the air is dry, and is why I suspect a capacitor.
My analog tuner drifts off the station
I have a nice Kenwood KT 615 tuner that I bought off a technician who had cleaned it up and replaced the caps. It works well and sounds great but it loses stations pretty quickly, usually within about 10-15 minutes. This happens for both strong and weak signals and I have tried all combinations of the filter and selectivity buttons with no apparent improvement.
Is there anything that can be done about this or do I need to get a digital tuner that locks on the station?
Is there anything that can be done about this or do I need to get a digital tuner that locks on the station?