Busted JBL sub amp - Need to fix it in Technical/Restorations Posted February 5, 2002 I have an old JBL PSW-D115 with a busted amp. It blows whatever fuse I put in it. I'm pretty handy with a soldering iron and what-not, and was hoping I could fix it myself. I bought the unit from Ubid for 260$ and I know a new amp or having this one repaired would cost more then that. I was wondering if anyone here has experience with amps/amp repair and if there are any online resources you know of for this. Thanks.