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(Topic ID: 255113)

WPC 95/NGG blowing fuses 103/104 after PS repair

By tamoore

4 years ago



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  • Latest reply 4 years ago by LTG
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#2 4 years ago
 
KJB

dudah

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US Algonquin, IL

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Quoted from tamoore:

My NGG has had a reset problem for quite some time.
I've replaced the rectifier diodes previously, which didn't fix it.
I just replaced the capacitors at C8,9,10,11 and 12.
Good news: I can activate both flippers without the game resetting.
But...
Now when I turn the game on, 50v fuses 103 and 104 blow. 102 is fine (coils 9-16).
Nothing blows with the J133 connector unplugged.
Any ideas on where to start looking? It doesn't seem like the capacitors I just replaced would have an impact on the 50v.
Thanks.[quoted image]

I'd suspect a short on some of the coils first, check the area around each one and make sure nothing's touching

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