mac 550

Hello all, this is a bit of a tricky one. I have a Mac 550 here that thinks its temperature sensor is reading 185 Degrees Fahrenheit and therefore shutting off 7 seconds after lamp on. So far I've replaced the thermo-sensor, Thermo-switch, separated the feedback cables form the main power by...

Hi all; I've some dead Mac550s. The devices have flashing **** on screen and there is no any function even no power on motors. Some forums are say, it can be a software problem and need to reflash. I'd long search on internet but couldn't find the uploader device. Are there any idera how can I...