Got a cobra 2000gtl that has had a really rough past with previous owner and USPS delivery to my porch by literally AIR Mail of about a 15 foot throw that totally trashed the original board, It was in about 4 parts when I opened it up, well I decided to do an open board transplant from a 1982 to a 1992 or 1993 Philipines board that was supposed to work, but you know how that story always goes...LOL. Everything wired into the board from the old frame the way it should have with out to much excitement. Fired it up and it actually came on and received very low. Figured well I'm half way, keyed the mic and nothing, no on the air light, no transmit no nothing, I've been looking over the schematics so long I'm cross eyed.