(Topic ID: 295130)

Bonus problem with Bally "Firecracker"

By flipperdoktor

7 months ago



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  • 2 Pinsiders participating
  • Latest reply 7 months ago by flipperdoktor
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Firecracker Bonus Reset relay (resized).jpg

#1 7 months ago

Strange problem with Bally Firecracker.
For some inexplicable reason, the bonus reset relay is not triggered if the ball falls into the bonus hole or if the Firecracker bonus "Collect Bonus" is given, so the bonus unit does not step to zero ..
As a logical consequence, points are counted endlessly every revolution of the scoremotor 5000 points and of course the ball is not ejected from the bonus hole.
If I manually lower the bonus unit or press the ZeroBonus contact, the ball is ejected correctly.
Everything else works fine, even if the ball falls into the outhole. Bonus steps to zero and back to 1000 without scoring the points.
I have cleaned and adjusted all contacts to the best of my knowledge and belief, but I have not found any errors.
I found a circuit diagram in the course of my research here in the forum, but it didn't help.
Hoping someone can give me food for thought ....
greetz
Gábor

#2 7 months ago
Quoted from flipperdoktor:

the bonus reset relay is not triggered if the ball falls into the bonus hole or if the Firecracker bonus "Collect Bonus" is given, so the bonus unit does not step to zero ..

I don't think the Bonus Reset relay should fire in those cases, the Bonus Score relay should:
Firecracker Bonus Reset relay (resized).jpg
The left part of the schematic shows that the Bonus Reset relay only fires when the Out Hole switch or relay close and the Bonus Unit disc is between 2 and 10. That leaves the Bonus Score relay in the middle part of the schematic that should fire the Bonus Unit Reset solenoid to count down the bonus. If the Bonus Score relay doesn't fire check the switches in the right part of the schematic. I'd start with the Game Over and Tilt relay switches at the bottom since neither bonus score situation seems to work.

/Mark

#3 7 months ago

I have now brought the Firecracker into my workshop and will set it up tomorrow.
Perhaps I was wrong in naming the relays.
In any case, I will follow up your suggestion and report.
Thank you for your effort
greetz
Gábor

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