(Topic ID: 296120)

Issue with Bally Shadow

By InfamousDolphin

2 years ago



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#1 2 years ago

I have a Bally shadow experiencing some type of issue. When I turn it on the dmd looks distorted and it seems one of the boards is not working.

Looking for suggestions on diagnosing / fixing.

Thanks!
The Shadow

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#2 2 years ago

Turn game off. Reseat ribbon cables. From CPU to DMD Driver Board to DMD.

See it that helps.

LTG : )

#3 2 years ago

Probably not related, but can you check fuse F114. The 18V and 12Vr seems missing

#4 2 years ago

zaza that was it!!! Replaced it and it fired right up!!!

Thanks!!!

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#5 2 years ago
Quoted from zaza:

Probably not related,

oh wait, it could be related when a daughterboard is used for the 5V to CPU.

#6 2 years ago

I do use a daughterboard to handle the reset problem.

#7 2 years ago
Quoted from InfamousDolphin:

I do use a daughterboard to handle the reset problem.

Probably not even needed. Tried without it yet? I had 3 pins with reset issues and fixed them, so no need for any in my 12 WPC pins.

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