(Topic ID: 126119)

Whirlwind - Using Flippers Causes Flashers to Fire

By tonylo909

9 years ago


Topic Heartbeat

Topic Stats

  • 11 posts
  • 5 Pinsiders participating
  • Latest reply 4 months ago by Sebfrom
  • Topic is favorited by 5 Pinsiders

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#1 9 years ago

Hi,

I just got done showing some love to my Whirlwind by installing a new CPR play field, plastics, ramps, CPR back glass and had new decals installed on the cabinet. Everything seems to be working fine with one minor annoyance. During game play, any time I use the left or right flippers, 3 of the flashers on the left ramp, and both of the 100K insert flashers fire. The flashers do not stay on with the flipper button press, just a quick pulse. I am using LED flashers. The flashers still fire when they are supposed to. I've had the machine together for 3 days and I believe this issue just popped up today. I think I would have noticed it sooner had it been doing this from the get go. I'm inclined to think it is a ground problem. Any help would be appreciated!

Thanks!

#2 9 years ago

You can't use LED flashers in all parts of System 11 games...no problem with your machine, just the way it's designed. Take out the offending flashers and put the old ones back in...either that, or read about how to add resistors to make the issue go away.

Good luck!

#3 9 years ago
Quoted from 27dnast:

You can't use LED flashers in all parts of System 11 games...no problem with your machine, just the way it's designed. Take out the offending flashers and put the old ones back in...either that, or read about how to add resistors to make the issue go away.
Good luck!

I will reinstall the original flasher bulbs tomorrow and report back with the results, thank you!

#4 9 years ago

It will work...you've just encountered a system 11 issue. If you throw-up a post about modifying to keep it from happening, someone will come on and tell you what to do to keep it happening.

#5 9 years ago
Quoted from 27dnast:

It will work...you've just encountered a system 11 issue. If you throw-up a post about modifying to keep it from happening, someone will come on and tell you what to do to keep it happening.

You are correct! I replaced the LED flashers with stock bulbs and everything is normal now. The stock bulbs actually seem brighter than the LEDs!

Thanks again for your input!

#6 9 years ago

Sure thing, glad to help out. And if you really want to throw the LED flashers in there, you can. You just meet to make a few modifications that are simple to do.
Good luck. Enjoy that game. It's the best Sys11 out there...sure do miss mine!

#7 9 years ago

super easy fix

Just need to remove 4 diodes and add 4 diodes.

Remove diodes D3, D4, D6 and D7 from the aux driver board.

Then add diodes to coils 3, 4, 6 and 7. Banded side towards voltage input. Usually poppers, drop target resets and the knocker.

#8 9 years ago
Quoted from kbliznick:

super easy fix
Just need to remove 4 diodes and add 4 diodes.
Remove diodes D3, D4, D6 and D7 from the aux driver board.
Then add diodes to coils 3, 4, 6 and 7. Banded side towards voltage input. Usually poppers, drop target resets and the knocker.

Thanks for the info!

#9 9 years ago

Now you get to mark this "[x] resolved." up top...
-mof

#10 9 years ago
Quoted from mof:

Now you get to mark this "[x] resolved." up top...
-mof

Done!

8 years later
#11 4 months ago

Done!

I have restored my 1989 Whirlwind, added LEDs and LED flashers to it - having the same issue with "flash glitching" when flipping flippers.
I read the posts on the System 11 subject, and I have removed the diodes(3,4,6,7) from the AUX board and added new 1N4004 to each of the following coils:
3A Right ramp entry lifter, 4A Left locking kickback, 6A Knocker and 7A 3-Bank drop target reset. Banded end to the power (thicker wires)
Now there's no glitch anymore.

Easy fix.

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