Trying to figure out what's going on with my Judge Dredd. Playing the game and when I got the sniper tower it wouldnt kick the ball out. seems I shorted fuse F105 which was for coils 1-8.

turned game off replaced fuse then it popped again as soon as it turned it on.

Pulled Connector J127 still popped

Pulled J130 still popped

Pulled J107 for high voltage coils and didn't pop.

Checked all the related drive and ore drive transistors and the they all tested ok with DMM.

Now I'm stumped. the only thing I could find possibly wrong was resistor R260 did not test properly both ways when I swapped + - leads on DMM. one showed 00 and the other had a reading.

Could that be it or should I focus on something else?

Thanks for your help in advance. still trying to learn about all this.

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I lifted the playfield and tested the coils previously. All tested ok.

with the playfield up this time I turned the game on and fuse didn't blow.

put the playfield down and noticed a spark on this when I connected it into the cabinet and fuse blew again.

Does this mean I have something shorting on this?

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Just a fluke that I noticed it. Haven't had time to investigate further but butt look at it and hopefully fins and fix it. Thanks for your help!