(Topic ID: 281413)

STTNG Pinball keeps turning of and on instantly

By Macman1979

3 years ago


Topic Heartbeat

Topic Stats

  • 28 posts
  • 7 Pinsiders participating
  • Latest reply 3 years ago by Pin_Guy
  • Topic is favorited by 3 Pinsiders

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#4 3 years ago
Quoted from ForceFlow:

It sounds like you have a WPC reset issue. Basically, when the 5v voltage drops below a certain point, the game automatically resets.
https://www.pinwiki.com/wiki/index.php?title=Williams_WPC#Game_resets
Using a kahr daughterboard is one quick way to test for the issue: https://www.kahr.us/
However, it's usually better to fix the source of the issue and not just rely on the kahr board to fix it.

Ditto what ForceFlow said. Try reseating the connectors first. I was having the same issue on my twilight zone pinball machine and I ended up removing the Z connector and soldering the two wires together as the voltage would drop across the connector just enough to trip the watchdog reset. Start here to understand what is going on. https://pinside.com/pinball/forum/topic/ever-have-this-problem-with-tz

#5 3 years ago

Removing the z connector and direct soldering the connections solved the issue for me but I ended up selling TZ about a year ago to a friend. He ultimately ended up putting in a new daughter board after the issue started to creep back in. There are few things more frustrating than having a great game end for no reason. Mine would do it when I hit both flippers at the same time.

#9 3 years ago
Quoted from Macman1979:

Hello HurryUpPinball,
Thanks for the reply!
I'm jealous about TZ, that is probably going to be the next pin I buy if I can find a decent one near Atlanta! I love the theme and I love the game! Sorry yours had the issues, I hope mine can be fixed because STTNG has been a dream pinball for me for many years! I am very happy and thankful to finally have it! Did you try the adaptor board that ForceFlow mentioned by chance? Also thanks for the information and the links. I will start checking them out now.
Regards.

Removing the Z connector solved my issue and it didn’t reset on me for the next 6-7 months that I owned it. I do think it helped but ultimately the problem was further down the line. If you have the $ to install the daughter board, that is a better way to go. Z connector can be a temporary fix but it is better to fix the root of the problem and forget about it. I never purchased the board but the guy I sold it to did and he has not had any issues since. TZ is an awesome game and truth be told, I still miss it. If you have an opportunity to get one at a decent price, I don’t think you will regret it. Prices are slowing creeping up on TZ. If you do get one, drop in the color DMD, it brings a whole new life to that game.

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