Sell it for whatever you can get for it. It just seems like a shame to throw out something like that. If you were attempting a repair one more time, I’d recommend Stereo Rehab here in Chicago. If it is repairable, Casper(proprietor) will repair it but he now only repairs stuff that are walk-ins, not mailed to him, and he's only open on Fridays and Saturdays from 12:00- 08.00PM. Once I had several people look at a non working Beryllium driver from a Yamaha speaker telling me it couldn’t be repaired and brought it by Caspers place, give it one last chance. He told me it was one of two things that could be wrong. He repaired it in less than five minutes. I once picked up a non working(classic?) Marantz 240 amp with the black face plate free from CL. Owner said that when you turn it on a fuse inside literally caught fire and could not get it repaired correctly. Told Casper he said bring it in, he knew what the issue was. Some $4.00 part I can’t remember. Sometimes these techs miss the simple stuff. Can’t see the trees in the forest?