PAS-3 losing right channel signal

Hi, first time posting here. I have a PAS-3 and recently I am experiencing the right channel starting to crap out. I am sure that all physical connections (rca) are tight. The right channel works intermittently, and usually if the volume is turned up, then down briefly, it will start to work again (for a short time). any clues on what might be the culprit?

thanks!

I had a similar problem with my PAS-3x when I first got it. The seller said one channel would stop playing, he didn't mention that it would also have a loud hum, but that it did. I had to put the tubes back in their sockets when it arrived, and of course the problem was there. The cure was found by moving the tubes in their sockets. The intermittent connections caused by dirty pins, as well as weak sockets was all there was to fix. A good cleaning and re-tensioning of the socket connectors, as well as cleaning the tube pins permanently fixed it.

Now, your mileage may vary, but you have nothing to loose. Try gently wiggling the tubes to see if the pins or sockets may be loose or dirty. Of course, you may need to inspect the wiring for defects, cold solder joints, etc.

Let us know what you find.

Tony

Clean all the pots and switches while you are at it and also check for any cold solder joints or cracks on the pc boards.

Sal

There were no apparent cold solder joints and i cleaned the tube sockets with deoxit to no avail. Its not even intermittent anymore, it simply does not work. How long should this be unplugged for before the capacitors discharge? How do i check to see if there is a bad cap on the line stage?

Here are some pics of the amp itself if that helps at all. One thing i did notice was kind of a rattling sound, MAYBE coming from one of the line stage caps.

looks like about half the caps have been replaced/upgraded, but why not the rest of them?
Spend $15-20 and replace all those old caps, especially those blue .22 caps.
Those 4 black ones are for the tone controls.
BTW, somebody did a nice job rewiring the inputs to the selector switch,
that's the kind of shielded audio cable I'm looking for, anyone know where I can get some like that?
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