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RE: Marantz 2275 static at turn on even with volume down

I think I've isolated the problem to the preamp section. When I turn it on with the tone controls out (defeated) I don't get the noise.

It's in both channels, although the left is a little louder than the right.

It's a beautiful old receiver that sounds great once it's warmed up - I hope I can get this figured out. Thinking I might just get a schematic or service manual with a parts list and rebuild the board with new components and fresh solder joints.


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