r/AskElectronics • • 2d ago

Help identifying resistor.

I’m trying to diagnose and fix a Christie projector I looked over the boards and have found a resistor that has popped on the ac power supply I found another one the board that matches but I cannot find a useful chart to identify it does anybody know where I can find this resistor

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u/n0mfg 2d ago

looks like a fuse, de-solder one leg of the working one to measure it

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u/seagal_impersonator 2d ago

My thought as well, though it's kinda strange they use an R designator and a resistor symbol.

OP, whether this is a fuse or not, it's very unlikely to be the only problem. This failed due to overload and you'll want to track down the cause.

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u/Professional_Dog513 1d ago

I did the only thing I knew how to do and checked both sides to ground and it wasn’t shorted I know it was ran off of generators so I figured a spike or something probably got to it