(Topic ID: 291205)

Add a ball has an extra relay in the back box!?


By undrdog

35 days ago

Topic Heartbeat


Topic Stats

  • 16 posts
  • 5 Pinsiders participating
  • Latest reply 26 days ago by undrdog
  • Topic is favorited by 1 Pinsider

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#1 35 days ago

My new Flipper Fair project has a relay in the back that isn’t on the schematic. It isn’t on the picture of the back posted at IPDB, either. It doesn’t match any of the other relays in the game- made from different materials.

It is connected to the add a ball score adjustment. So, something extra was supposed to happen when the add a ball score was reached. The wires are cut. I haven’t found anything that they might have gone to.

Any ideas what it might have been for?

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#2 35 days ago

Maybe there are still some empty screw holes inside the main cabinet or on top of the lightbox where they'd added a really big bell or special gizmo. Looks like it was only using one of the two switches on the relay.

#3 35 days ago
Quoted from frenchmarky:

Looks like it was only using one of the two switches on the relay.

Yes. The other two lugs are clean.

#4 35 days ago

My first guess is they had something hooked up so once a certain number of balls were added, the score to add more was increased, kind of a poor mans EM add a ball reflex circuit.

#5 35 days ago
Quoted from Bublehead:

My first guess is they had something hooked up so once a certain number of balls were added, the score to add more was increased, kind of a poor mans EM add a ball reflex circuit.

Except if it did only use the one switch as it appears, all this relay would be able to do is click on and off when a ball was added, no locking switch (?)

Didn't these already have a knocker? So bell or gong don't make as much sense now if they could have just wired it to that.

#6 35 days ago

We don't know what also could have been added that has since been removed, seeing the wires were cut, there could have been more to it than that, but why connect to the add a ball score setting circuit otherwise? Its just a guess, so who knows what they were trying to accomplish?

#7 35 days ago

No mounting holes on the top, but a custom topper could just sit there.

There are three bells and a knocker. None of them have extra wires or solder, so the relay didn’t trigger them.

It’s a mystery.

#8 35 days ago

The plot thickens.....

Quoted from undrdog:

No mounting holes on the top, but a custom topper could just sit there.
There are three bells and a knocker. None of them have extra wires or solder, so the relay didn’t trigger them.
It’s a mystery.

#9 35 days ago

If you have one switch on the relay being used, and that switch is normally open, you should suspect that the switch is handling a different voltage than the voltage into the coil. (Otherwise, why not just feed the voltage to whatever is being switched on?) I suspect either an extra light on top of the backbox, or maybe even a ticket dispenser.
.................David Marston

#10 34 days ago
Quoted from dmarston:

If you have one switch on the relay being used, and that switch is normally open, you should suspect that the switch is handling a different voltage than the voltage into the coil. (Otherwise, why not just feed the voltage to whatever is being switched on?) I suspect either an extra light on top of the backbox, or maybe even a ticket dispenser.
.................David Marston

Does the game look modified anywhere else, like the coin door, extra wires or screw holes around there?
That added grey wire that's routed around the wiring bundle which appears to have been cut from the relay... where does the other end of it end up?

#11 34 days ago

The coin door is modified so that the coin return button starts a game. No credit button or reel on this game. Dimes.

dmarston Did they have ticket counters on pinball in 1961? Guess it could have been done any time.

frenchmarky I think that grey wire is really cord holding the bundle together, but I’ll check.

#12 34 days ago

same I believe the grey wire is holding the wires together it’s doing what they wax string normal does.

Quoted from undrdog:The coin door is modified so that the coin return button starts a game. No credit button or reel on this game. Dimes.
dmarston Did they have ticket counters on pinball in 1961? Guess it could have been done any time.
frenchmarky I think that grey wire is really cord holding the bundle together, but I’ll check.

#13 34 days ago
Quoted from Jets_1479:

same I believe the grey wire is holding the wires together it’s doing what they wax string normal does.

I dunno, looks like a wax tie is still there a few inches from where it starts going vertical. Just winding it around the bundle would be a simple way of keeping the new wire with the bundle without adding additional ties. Not the best way, but a way.

#14 34 days ago

Is voltage available at the add a ball score side constant or pulsed from a score motor? If pulsed, would the relay just pulse with the score motor, or are they using it as a constant voltage source? Pardon my limited knowledge of EM, I'm a electronic technician first, electro-mechanitian second. I only have one EM, so my knowledge is very limited to a Gottlieb Central Park.

#15 34 days ago

The voltage would only be at the newly added coil when the game reaches the add a ball score (however it is adjusted by the games operator) in this case at 2k points a pulse from the 2k point score reel would activate that coil momentarily not constant. Then again at 4K points it would pulse it again. I believe it to be some sort of add on a prior owner did to add extra alert or pomp and circumstance to the 2 achievements associated with the fact another ball was just added. I’m many things before anything that ends with “tician” though....

Quoted from Bublehead:

Is voltage available at the add a ball score side constant or pulsed from a score motor? If pulsed, would the relay just pulse with the score motor, or are they using it as a constant voltage source? Pardon my limited knowledge of EM, I'm a electronic technician first, electro-mechanitian second. I only have one EM, so my knowledge is very limited to a Gottlieb Central Park.

1 week later
#16 26 days ago

This game has an animated back glass. For each added ball, a solenoid pops a ball from one of the clown's hands to the other.

The connected end of the gray wire goes to the ball solenoid closest to the one of the solenoids that pop the ball from one hand to the other.

So, it looks like the mystery relay would fire with both the pop of the ball and with the score at the set amount. Seems redundant.

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