(Topic ID: 230701)

Comet Pinball Jet Bumper Lights

By PinballGurus

5 years ago


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#6 5 years ago

That's the score display driver board

#14 5 years ago

The Jets are part of the GI

Follow the wires that chain them together with your meter set on AC volts, and you will find where the break in the action is.

Also, check those GI fuses with your meter, not your eyes. Make sure each one has 7vac on both sides.

#15 5 years ago
Quoted from PinballGurus:

Assuming this relay is for the flasher bulbs only? I swapped it out and it didn’t do anything.

The GI relay does the entire GI when any of the lighting effects occur (like hitting the funhouse saucer)

It's not going to be the relay, it's 99% going to be one of those fuses.

#19 5 years ago
Quoted from PinballGurus:

So now my lights work, but a transistor Q13 has blown on the main board, I changed it out and it blows again;

Did it ever work since you've had it?

If yes, what what the last thing you were messing with before it blew?

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