Info / schematic request

If you're searching for some elusive part, a long-lost schematic, advice on new or vintage equipment repair or other hard to find electronic information, please post your request here. Of course, if you know answers to these questions, please share your wisdom!
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CeaSaR
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Info / schematic request

Post by CeaSaR » Sun Oct 06, 2013 4:39 pm

I have aquired a Claricon 27901 four channel receiver. No date code found yet. This is a really nice unit. Only thing is that one of the rear channels (I think rear right) doesn't work in 4-channel mode and when you put it in stereo only (2-channel) it only has one channel sometimes and it might be fuzzy or weak. So right now it is on 4-channel mode with just the fronts working perfectly.

I am inclined to believe that the problem is either in the preamp section or in the selector switch on the back panel that chooses between stereo and 4-channel. With no input and a speaker connected to the outputs, each one has hiss in all modes. So, any help is appreciated.

Thanks in advance,
CeaSaR
Hey, what do I know?

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