19k7901 (K7000) HOT & Flyback (VERY Hot!!)

tommyinajar

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(Catcy title huh?)


Hi, I have a 19K7901 and the Fuse was blown. I followed the flow chart and the HOT was shorted.

I replace the HOT and the Vreg & C57 while I had it out. Now the fuse didn't pop but the top of the flyback started to burn and spark. I ordered a new Flyback but I am concerned about installing it...

Is it "normal" for a bad flyback to do that?


P.S. I checked the D19 - D22. I tested them on the board w/ the diode check they all had the about the same reading, I tested all of them both ways +to+ & +to-(conduct one way, not the other)

Thanks!
 
I've seen a K7000 flyback go bad and spark (arc). Go ahead and put your new one in. Other bad parts won't make your flyback go bad, but a bad flyback can cause other parts to go bad...
 
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