The Electronics Universe

i have a connex 3300hp used to work fine now I have no tx receive works great on all bands when I key the mike I can barly hear myself in the talkback the rx/tx light lights up half green and orange not red anymore replaced both finals 2312's and new 2166 driver still nothing before this happened I replaced my coax and when I screwed it in a spark from the s0-239 conector to the coax so I relaced with new coax and now have no tx I have power at finals and when I hook a voltmeter to pins on finals it shows power and when I talk it increses have power on all 3 pins of voltage regulater ive used 4 differen mikes to be sure that thatwas not my problem butthat didn't help any please any help would be greatly appreciated, thanks.