Hello All Anyone know what u1 ic is on the omni 6 front end board 81593 as I could not find a listing, help. Did ten tec ever release a parts list for the 563 omni 6 I have done a complete reset, but the receiver is pretty deaf 73's Lee --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus