Williams Moon Patrol AC Line Varistor

zz0ljf

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I've got a Moon Patrol that someone installed a switching power supply in and I want to rebuild the original linear power supply. It looks like the varistor on the 120V AC line is toast and the 120V fuse before the line filter is blown. I believe the replacement part number for the varistor is 5017-09044. I know it should be 130V are there any other parameters I need to be concerned with when searching for a replacement? Also is there a way to determine if the line filter is also bad?
 
The easiest way to test the line filter......throw 120V into it......and see if 120V comes out of it (or if it blows a fuse:D).

Edward
 
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