(Topic ID: 185946)

TZ shuts off (resets) ...

By gubonic

2 years ago

Topic Stats

  • 11 posts
  • 8 Pinsiders participating
  • Latest reply 2 years ago by PinballManiac40
  • No one calls this topic a favorite


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#1 2 years ago

I turn machine on and sometimes, while playing, the game will shut off by itself. Sometimes it'll reset and sometimes it will stay shut off. When it stays shut off I have to turn machine "off" and back on physically by flipping switch below machine. And even then sometimes machine won't immediately turn back on. When it doesn't turn back on I wait a bit (10-20 mins.) and then it'll turn on.

When the problem first appeared the machine didn't reset/turn off too often (maybe every 20 or 30 plays). Problem seems to have gotten much worse over time. In fact, sometimes I will turn on machine and let it sit for 5 or 10 minutes and then it will just reset, or turn off, for no apparent reason.

Any thoughts and comments on possible problems/fixes would be greatly appreciated.

#2 2 years ago

You either have a weird sort somewhere, or (more likely) your 5v is not stable. Buy one of Rob Kahr's boards or go through the pin wiki on resets.


#3 2 years ago

Try reseating J101, J102, J114 on the power driver board and J210 on the MPU. As you remove especially J101, look for burnt pins and discolored connector housings.

#4 2 years ago

Have the batteries been changed? any acid damage?

#5 2 years ago


#6 2 years ago

Check pinwiki, sounds like the varistor has gone bad. Easy fix if that's it.

#7 2 years ago
Quoted from Mitch:

Have the batteries been changed? any acid damage?

There is no acid in an alkaline battery. Cleaning methods for acid damage will be counter productive.

#8 2 years ago

Take the varistor out to test - you don't need it for the game to run. You may want to replace it if it has indeed gone bad though, it protects from overvoltaging

#9 2 years ago

Do you have a multimeter?

#10 2 years ago
Quoted from YeOldPinPlayer:

There is no acid in an alkaline battery. Cleaning methods for acid damage will be counter productive.

I know that as do most experienced pinball people, batteries leak alkaline which is a base and must be neutralized with acid. Seeing as this is a new member i didn't want to confuse by saying alkaline damage. Now if he posts a pic with damage I would have clarified and led him in the proper direction.

1 month later
#11 2 years ago

Any progress?

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