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Friends, I have a Technics GN3 with a problem with the keyboard contact circuit board. I have a couple of dead keys and this board doesn't seem to be cleanable or repairable. Instead of the old rubber pressure contacts the older Technics have that you could clean with a Q tip and alcohol, the newer board has sealed contacts that don't look cleanable. I will need a circuit board QJBG2009 unless there is some other way to fix this that i don't know about! Does anyone have a service manual in PDF form? There might be something in there about cleaning contacts. Thanks so much.
Joe
Joe