(Topic ID: 237493)

Baby Pac Man issue

By AvngRHulk

5 years ago


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  • 12 posts
  • 5 Pinsiders participating
  • Latest reply 5 years ago by AvngRHulk
  • Topic is favorited by 1 Pinsider

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#1 5 years ago

Recently purchased a baby pac man

Sound was not working (reseated and fixed)
Lockdown bar was missing the left side lock(bought and fixed)
Weak left flipper(tightened and fixed)

I’ve been searching for two days with no luck but here is my issue

I was playing a game explaining the rules to my wife upon hitting the drop down targets (far right) it doesn’t not award the 500 pionts like the other ones do **Doesnt spell pacman either, only way I can get it to spell pacman for the far left is go through the side shot that evens out the letters.
Furthermore when the captive ball is hit to the other side (far right) the leftmost dropdown Target doesn’t not come up and the far right target doesn’t go down nor does it award the 1000 points . No other issues I have seen besides this. Where should I start I am pretty handy with a soldering iron and such but this is my first pin(ish) and I don’t know where to begin. I have tested for continuity on the switches to see if they weren’t engaging but there’s coninuity

Special Notes: MPU board seems new to me doesn’t look like the originals I have seen, again I am new to pins so I may be mistaken

**more inform and pictures added

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#3 5 years ago
Quoted from Michaelxwhite:

Supply pic of Mpu to thread please. I have a baby pacman and probably can assist with pics uploaded by you.

Pictures added, thanks in advance

#5 5 years ago
Quoted from Isochronic_Frost:

What does the communication test say? If you press the test button on the coindoor it should have several tests. Keep pressing till you see the communication test. Show up a picture of the results. I’m sure the typical culprit of 40 40 will be the problem.

Here it is

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#6 5 years ago

Link to the solenoid test if it helps notice right most doesn’t go down all the way and idk if the 2nd and 2nd to last are supposed to go down

#8 5 years ago
Quoted from teekee:

Check your microswitches up near the captive ball. Are they registering? Sometimes they just need tweaked so they register when the ball rolls over them.

I am getting continuity through both micro switches and when the captive ball rolls over the metal lever it does cause the switches to make contact. Does anyone know how much power is supposed to go to these switches? And I assume it’s measured in DC voltage

#9 5 years ago

Maybe it’s just not getting power?

#10 5 years ago

Switch test update
Left most switch for captive ball reads as “20” when pressed down however rightmost captive ball switch isn’t firing even when I physically make them touch in the back of the machine

My theories
the little node on the switch is blown

Not getting power

Board issue (not sure which board)

Thoughts?

#12 5 years ago

Fixed! Not without some wtf moments.
Special thanks to teekee for helping me via pms and thanks to all who replied.
We have another baby pac up and running now.

The wire from the captive ball rightmost switch didn’t have continuity all the way to the vidiot board. Did a little snip snip and tie, works like a champ now, at somepoint Ill get a molex and rerout everything back through it but for now I’ll just enjoy it

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