The other day I noticed one of my trackspots not working. I cheked the power supply fuse and, sure enough, it was blown. When I replaced it and plugged the fixture in, the new fuse blew within 2 seconds. Just to be certain I tried it one more time (fuses are cheap), with the same result. I opened the fixture up to see if there were any obvious dead shorts, but everything looked good - no burn marks or bare wire. I don't think the problem is the board, but I could be wrong. The fuse blows so quickly, I think something must be wrong with either the voltage selector or the transformer. The problem is I'm not sure which. The selector looks ok, but I know that doesn't mean much. To visually inspect the transformer I'll have to unwrap it - not something I really want to do. I was wondering if anyone out there knows of an easy way to determine which is my culprit?
Yup. Transformer's definitely cooked. When I bypass the fuse and give it power, I can hear it crackle and it stinks of ozone. One more question though: How do I make sure the voltage selector is still good? I assume I can check it's functionality by seeing which lines coming out of it are powered on what settings (e.g. maybe the blue wire carries power on the 120v setting), but I don't know the readings I'm supposed to be getting. I need a standard to check it against. Any help?
Yup. Transformer's definitely cooked. When I bypass the fuse and give it power, I can hear it crackle and it stinks of ozone. One more question though: How do I make sure the voltage selector is still good? I assume I can check it's functionality by seeing which lines coming out of it are powered on what settings (e.g. maybe the blue wire carries power on the 120v setting), but I don't know the readings I'm supposed to be getting. I need a standard to check it against. Any help?
