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1, 2, A, B Grounds for J-Pac

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krick:

Would this help at all?...

http://mame.3feetunder.com/jpacmod/

SirPeale:

I'm going to suggest you rewire.  Having all the cabinet's AC wiring isn't the greatest idea.  And having to wire a PCB just so it doesn't blow?  Even less good.

dabone:

Most cab power supplies have lug terminals.

If you must keep the cab wiring intact just remove the ac inputs from the power supply. (You can either clip the spade ends off and wire nut them or just wrap them with electrical tape.)

Then just add the voltages you need back to the wiring harness (i.e. +5 or +12).


Later,
dabone


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