Baby Pac-Man MPU board

(Topic ID: 185536)

Baby Pac-Man MPU board

By BingoBongo

1 year ago

Topic Stats

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


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There are 55 posts in this topic. You are on page 2 of 2.
#51 1 year ago

At a loss at this point. After working well last week and then blowing a couple of fuses I am no longer able to get the communications transmissions test screen to fire in test mode. Nothing else has changed but the next time I turned it on to start working on it, it didn't work. We replaced fuses and I have tested the solenoid diodes/resisters and all are good. We noticed last night that the new MPU board light test is only flashing an initial flash and then 5 additional flashes which is 1 or 2 short of what it is supposed to be doing with a long pause between the first 3 and the final 3. Any thoughts? My next step is going to be to put on all new connectors but want to see if anything has any thoughts first.

1 week later
#52 1 year ago

Does anyone know why the new MPU board light test does not flash the correct number of times? Is there a specific item that would lead to this?

#54 1 year ago

Bally boards use .1" pitch connectors. The links in your post are .156 pitch (much bigger). You want items from this area:

Get the bag of 100 pins for $5

The housings of the sizes on the boards. Some of the really long connector housings are hard to find and you will need to make them up from 2 housings. To be thourough, you should get the keying plugs too.

I would recommend this crimping tool if you don't have one. link »

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