(Topic ID: 164495)

Switch Matrix Problem

By jrawlinson_2000

3 years ago

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  • 16 posts
  • 9 Pinsiders participating
  • Latest reply 3 years ago by jrawlinson_2000
  • Topic is favorited by 2 Pinsiders


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#9 3 years ago

Can u post a photo of the wiring to the 3 bank targets?

#11 3 years ago
Quoted from jrawlinson_2000:

OK a further update;
If I disconnected the J1 connector on the coin interface board and the switch errors do not happen, but plug it back in and I get the two switches firing.
I've tried to narrow it down further with no luck, as disconnecting the other coin interface connectors one-by-one leaving J1 connected the error still happens, so I dont think its a front or side cabinet switch issue like fire, start or supergame.
One thing I did notice is if I plug in J1 from the bottom of the connector so only the lower pins make connection the fault does not happen until almost the last 1 or 2 (top) pins are connected and this is where I notice switch 25 (always closed) kicks in and its when this switch is active I get the issue.
Again I have tried another coin door board and still get the same issue.
All points to this now but I've taken a working one from another JD and get the same issue.
What is switch 24 for? This is in the same row as the 2 erroneous switches that are being triggered.
Any suggestions?

It sounds like you narrowed down your problem to switches located after the coin door board. Check the slam tilt switch on the back of the coin door, check the wiring to your plumb bob tilt, and check the wiring and diode on the slam tilt on the bottom of the cab.

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