Gottlieb Incredible Hulk - Scoring Problem

(Topic ID: 190037)

Gottlieb Incredible Hulk - Scoring Problem


By hailrazer

1 year ago



Topic Stats

  • 5 posts
  • 2 Pinsiders participating
  • Latest reply 1 year ago by ForceFlow
  • No one calls this topic a favorite

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#1 1 year ago

On my Gottlieb Incredible Hulk, I have a small problem.

Everything is working perfectly except one thing. When you go in the left "A" trap it automatically lights the "Special" Free Ball at the bottom. It's not supposed to do that until you hit "A" , "B" and drop all the drop targets for "C"

Everything has been rebuilt and all connectors have been re-pinned. Everything else is perfect.

Any ideas where to start looking.

#2 1 year ago

Go into the game's diagnostics and test the switches and test the lamps. Make sure that all the assignments match up with the lamp and switch assignments in the manual.

If anything is incorrect there, that may help indicate what the issue might be.

#3 1 year ago

Doh!

I though I had done all the ground mods. Forgot the Mpu ground mod. Sheesh what a Noob move!

Problem fixed.

#4 1 year ago

Well that's not it. Did the ground mod on the MPU and the problem went away. Now it's back.

No closed switches and no other problems. The "K" chip on the mpu is getting toasty hot though. Is it supposed to?

#5 1 year ago
Quoted from hailrazer:

Well that's not it. Did the ground mod on the MPU and the problem went away. Now it's back.
No closed switches and no other problems. The "K" chip on the mpu is getting toasty hot though. Is it supposed to?

A little warm, sure. Not uncomfortably warm to touch, though. That might indicate that something is shorting out on that MPU.

The problem might also be heat-related in that something is expanding and then losing contact or creating a short. Check the back of the board for cracked solder joints or stray solder drips.

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