How can an Idler have anything to do with audio hum? You may have a bad cap in the preamp section, you can have a bad ground in a power supply screw or even a head wire that has broken off- a Technician should be able to locate the problem pretty fast.
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How can an Idler have anything to do with audio hum?
You may have a bad cap in the preamp section, you can have a bad ground in a power supply screw or even a head wire that has broken off- a Technician should be able to locate the problem pretty fast.