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(Topic ID: 157710)

Jokerz adjust failure


By msadan

4 years ago



Topic Stats

  • 18 posts
  • 5 Pinsiders participating
  • Latest reply 4 years ago by johnwartjr
  • Topic is favorited by 4 Pinsiders

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#3 4 years ago

Is the coin door memory protect switch by chance stuck closed? Can you test it with a meter and confirm it is working correctly?

#9 4 years ago

And you're absolutely sure your soldering job on the socket is good? No pulled traces or pads?

#11 4 years ago
Quoted from surfsled:

check the connectors for the batteries to the MPU board. check the connectors in between the batteries as well.

There are no batteries involved here, it's a NVRAM

#14 4 years ago

One thing I also thought about - if the AnyPin has DIP switches, you may need to set them to 6116. I'm not sure if the game would work if the DIPs were set incorrectly.

3 weeks later
#18 4 years ago

Just to update a thread with a resolution - U36-11 was shorted to ground. This is the 7404 that is connected directly to the coin door switches. Perhaps solenoid voltage was shorted through the switches during the LED replacement.

New 7404 at U36 and the game is back in business.

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