(Topic ID: 75373)

Gottlieb Cross Town - Game never ending. Please assist

By MurphyPeoples

10 years ago



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#1 10 years ago

So I took a trip to Virginia this past weekend to help my wifes cousin ressurect his Cross Town. We got the whole thing running, but the game never ends.

I can manually activate the Game Over coil. The game will end. You can then hit the start button, and everything resets, but the reels don't zero (yet). The Ball Trough remains open the whole time and continutes to allow balls to load. It never locks down. So the game never ends.

We've got it set to three ball. Can anyone point at anything specific that might be causing this so we can look for it?
Thanks!

#2 10 years ago

Any chance you have a schematic?

I have a sweet Hearts Schematic. The game is from a similar era. Maybe I could guide you a bit from that.

#3 10 years ago

On this era of Gottlieb, Game Over is mostly controlled by the Match Relay. If the Match Relay doesn't activate, then it won't reach game over.

Specific to Cross Town though, Game Over ('X') is fed by two switches on the Match Relay ('O'), and switches at score motor 1A and 2C. If 'O' is activating, but 'X' is not, then those are the four places to check.

But if 'O' isn't activating, then need to look into that first. On Cross Town, 'O' is fed by either the 4th and 5th ball trough switches (5-ball play), or the 2nd and 3rd ball trough switches (3-ball play), plus a normally closed 'On Ball Release' switch and a switch at score motor 1C.

The switch at score motor 1C is common to lots of other things, so that's likely working if the rest of the game is working. The 'On Ball Release' switch is often a culprit, as it's in the switch stack there at the ball trough gate, and that switch stack frequently gets bent. The ball trough switches can oxidize and not make good contact too though.

However, since the ball trough gate isn't de-energizing, the Ball Release coil is activated via a switch on the 'Z' (Reset) relay, and then held active via a lock-in switch on the Ball Release switch stack and a normally closed switch on the 10pt relay ('N'). The ball trough gate will stay open and let you keep playing ball 1 until 10 points are scored. Then when the 'N' relay pulls in, that switch is supposed to open and deactivate the Ball Release coil, closing the gate.

So those might be some places to look.

#4 10 years ago

You are in much better hands with DirtFlipper! I think he is part Gottlieb EM pinball machine and part human. I could be wrong though. It might be ALL Gottlieb EM pinball machine!!!

#5 10 years ago

Great Stuff there sir!!! I'll use those tips and coach my wifes cousin from 200+ miles away.
We'll find it!
Murph

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