I recently bought a really nice Beocenter 9500 with a pair of mint brushed aluminum CX100s. I was really only trying to get the speakers but the seller thought it would be hard to sell the 9500 separately so I made a deal for the set.
I brought along a cassette and CD to test on it, and it all worked fine. Buttons, remote, doors, etc. I spent the first several hours with it removing the loose glass, cleaning the adhesive gunk, then reinstalling the glass.
When I finally connected to speakers (first time at home) I noticed that whatever source I set it to, there is no sound until I turn it the volume up at least half way, then the speakers kind of cut in. At that point it will work at lower volumes again. This is repeatable -- if I turn it off and on again it does the same thing more or less. It sounds ok after the speakers cut in.
When I overhauled a faulty Sansui AU-717 recently it had almost the same issue. It turned out to be the startup delay/protection relay, and replacing it cleared it up. I'm wondering if it could be the same issue here? It still seems odd to me that dirty relay contacts will 'form' a connection by turning up the volume, but that was my experience.
Does it seem like it could actually be the relay in this case? Or would it maybe be the volume control IC? I am really new to working on 'modern' equipment like this -- I've mostly only fixed/overhauled things with volume pots, no remotes, manual input selectors, etc.
BTW I did try to search for existing threads on this but my search efforts weren't successful. If this has been covered a lot already I apologize in advance.
