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In Reply to: RE: Not mineral spirits... posted by pbcarch@gmail.com on January 23, 2016 at 10:21:48:
Cover off helps connectivity. Back on physically missaligns it. Can be a solder joint or even a pcb trace that makes/breaks connection. Or just about any internal connection in the area between pre and power amps.
I'm not sure how much to ask you to try versus having a tech look at it.
Next steps would include poking and prodding with the power on. I've had much sucess over the years with friend's and my own equipment. Even trouble shooting by turning the lights off and watching for sparks in the dark when I push and prod. (Sometimes you have to put away the multimeter and be a little unorthodox!)
Would be going into dangerous territory with the power on.
Again, a tech with a schematic might be best.
Sorry the cleaning didn't work.
Jonesy
"I know just enough to get into trouble. But not enough to get out of it."
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Follow Ups
- Does seem to be breaking contact when pressure applied/removed. - Jonesy 11:38:47 01/23/16 (2)
- RE: Does seem to be breaking contact when pressure applied/removed. - pbcarch@gmail.com 12:00:30 01/23/16 (1)
- Marantz MM8077 - Jonesy 07:37:11 01/24/16 (0)
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