japosey Posted June 18, 2015 Share Posted June 18, 2015 I just picked up a really nice Fisher receiver and when playing with it today I realized that when playing in stereo the right channel plays at a much lower volume than the left. When I engage the mono button, both channels play at the same level. This is with every source and is isolated to the one channel. The unit is really clean with no scratchy controls. Does anyone know what may be causing this situation and a possible remedy? If not, I guess I will send it in for repair, but I was hoping I might be able to do the repair myself. Quote Link to comment Share on other sites More sharing options...
tube fanatic Posted June 19, 2015 Share Posted June 19, 2015 Which receiver is it? Maynard Quote Link to comment Share on other sites More sharing options...
japosey Posted June 20, 2015 Author Share Posted June 20, 2015 250-T Tun O Matic Quote Link to comment Share on other sites More sharing options...
tube fanatic Posted June 21, 2015 Share Posted June 21, 2015 Unfortunately, there's little you can do to repair this yourself. It needs to be put on the bench for evaluation. There are a number of potential problem areas in that series of receivers. I'm not aware of any good solid state service techs down your way, so perhaps an inquiry posted in the 2 channel section will yield some recommendations. Maynard Quote Link to comment Share on other sites More sharing options...
djk Posted June 22, 2015 Share Posted June 22, 2015 (edited) http://www.hifiengine.com/manual_library/fisher/250-t.shtml Replace all the small electrolytic coupling caps, start with the four 1µF caps on the 2020 Audio Control Amplifier. Edited June 22, 2015 by djk Quote Link to comment Share on other sites More sharing options...
tube fanatic Posted June 22, 2015 Share Posted June 22, 2015 Unless you have a lot of experience with pc board component replacement I urge you not to attempt the suggested repair. Firstly, the problem may not be a capacitor. Secondly, the boards which Fisher used are not of the best quality and can be damaged if not handled properly. So, again, find a solid state repair guy with a good reputation and have it dealt with properly. Maynard Quote Link to comment Share on other sites More sharing options...
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