Sansui C-1000 / B-3000 right channel issue

[BothDemos]

I have a B-3000 Power Amp with a C-1000 Control Amp.

The right channel either doesn’t play at all or it is extremely muddy/low and unlistenable. Sometimes I can correct it by turning on and off or lightly pressing in the Processor button (but not fully). But not long after it will cut out again. Speakers are fine and I’ve tried with others and does the same.

I opened both up and have no idea what I should be looking for. Hoping someone on here can help guide me. The two fuses in the B-3000 look fine btw.

Assuming the issue is within the C-1000 since both A & B do the same.

 

[jd-audio]

Sounds like a good cleaning of all switches and potentio meters is in order before looking into the problem any further (search for "deoxit" in this forum), both amp and pre-amp to be sure.

This relatively simple action often solves problems with intermittend sound

Have fun
-John-