(Topic ID: 148687)

Stargate blowing fuse f30 lower left ball gate

By ryandimx

8 years ago



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#1 8 years ago

Replaced the transistor, coil and fuse and it's still blowing the fuse.
The other games I've worked on this usually is caused by a bad transistor.
Any ideas what else to check?

#2 8 years ago

seems like the wiring is dead shorting to ground somehow. What happens when you leave a wire off the coil? does it blow? Diode on correctly?

#3 8 years ago

Diodes are correct, this one has 2. The game was having this problem before I got it.
I'll try it today with a wire off the coil and report back.

#4 8 years ago

double winding on something that is not a flipper. That's unusual. I've never really studied the coils when I had stargate.

#5 8 years ago

Wire off the coil.
Fuse blows as the game is turned on

#6 8 years ago

that means it's something else. You should use brakers at this point, so you don't piss through fuses. you seem to have a direct short going on, especially since it does it before the game even boots.

#7 8 years ago

What would I look for to find that?

Breaker it is, I always forget I have them.

#8 8 years ago

unplug the coils from the board. Should be 2 connectors. Unplug one of them to see if it blows, then unplug the other one and leave the other in and see if it blows. If I remember right, Gottlieb uses a ground plug and a hot plug for coils.

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