(Topic ID: 285263)

Chicago Coin mustang EM Project Help

By Enron64

3 years ago



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  • 6 posts
  • 2 Pinsiders participating
  • Latest reply 3 years ago by HowardR
  • Topic is favorited by 1 Pinsider

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#1 3 years ago

Hello All,
This is my very first EM and is a project pin. I have been going through the machine cleaning and fixing issues as they come up. I have cleaned all the plug connectors, checked the fuses, a scoring switch on the playfield was stuck closed so I adjusted that. The coil on the scoring reel for 0-9 was burnt out probably from that stuck switch on the playfield, so I replaced that. So here’s where I am at. The game turns on and I get lights. I push the game start button and the score motor turns and starts up at ball 1. I have no flipper power, pop bumpers, or any of the scoring switches except 2 30 points switches have power. However when I press either of those switches the score motor will turn but the score reels will not turn at all. Also if I let the balls just go through the out hole it correctly moves on to the next ball in play and will go through all 5 balls and end a game and show game over. Any help would be greatly appreciated. Thanks

#3 3 years ago

Thank you very much. Some of the wires on that schematic aren’t matching what I have. I can confirm that start relay fires and activates a game. I can confirm the game over relay fires and ends the game. I can confirm the out hole relay fires every time a ball is drained. The tilt relay is not working as I have manually activated the relay and nothing happens. I also tried and activated it via the tilt bob and nothing either. It seems to have no power to it.

#4 3 years ago
Quoted from HowardR:

Here are the circuit and the 4 switches that control power to the flippers.
Inspect and diagnose this circuit with Alligator clip jumper wires
http://www.planetimming.com/Pinball/troubleshooting/EM%20Troubleshooting.pdf
http://www.pinrepair.com/em/index3.htm#features
Example of a pinsider actually doing this https://pinside.com/pinball/forum/topic/red-baron-tech-question#post-5858156
[quoted image]

Thank you very much. Some of the wires on that schematic aren’t matching what I have. I can confirm that start relay fires and activates a game. I can confirm the game over relay fires and ends the game. I can confirm the out hole relay fires every time a ball is drained. The tilt relay is not working as I have manually activated the relay and nothing happens. I also tried and activated it via the tilt bob and nothing either. It seems to have no power to it.

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