Love this forum, really appreciate the wealth of information I have gained from being a member for just the short time I have been on........I originally posted this in the General Discussion forum, and was advised that I may get more responses from this one. So, here goes. I'm turning to all you experienced folks for a problem I currently am having. I have a Pioneer SX-990 receiver with no left channel output, blows the 2 amp left channel fuse as soon as it is turned on. Actually, all the output transistors are checking good, emitter resistors, drivers as well. Only thing I can find wrong so far is that the 50 ohm trimmer pot for the left side is OPEN, no continuity between the two outer legs on the pot. So I was wondering if you know of any suitable source and replacement for it, as well as the other trimmer on the same channel which is a 30k pot. Started looking at Digi-Key and Mouser, but have come up blank for replacement so far. Also not sure how high of wattage would be required for the two pots. Any suggestions would be greatly appreciated.