If memory serves me correctly, these units use a 4558 OpAmp Ic. Both inputs pass thru this IC. One side provides a clean amp stage and the other is set up to run in a higher gain mode. This IC needs to be changed, It should be a small IC with 8 pins.
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If memory serves me correctly, these units use a 4558 OpAmp Ic. Both inputs pass thru this IC. One side provides a clean amp stage and the other is set up to run in a higher gain mode. This IC needs to be changed, It should be a small IC with 8 pins.
Dan