Hi Guys
I was recently given the same model of Sharp 37" LCD in wont fire up condition, and came across your posts during my searches for info. It has fired up in the service mode (Vol- and Input held down while turning on the power) a number of times, but it is very hit or miss and stubbernly refusing lately. I've had the power supply pcb and the video/logic board out checking for cracked solder joints and cleaned all the connectors with Deoxit, but none of that helped. I'm going to order a bunch of those PC123 optoisolators and see if that makes a differance, but I am at the point were I really need a sckematic/service manual to figure out whats going on with it. Any chance one of you fine gents could sent a pdf my way? I would be ever so greatfull! Big files are Not a problem. Thanks a Bunch!
Art