(Topic ID: 261272)

Blank Display on Congo Williams


By PinballGurus

11 days ago



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  • 55 posts
  • 10 Pinsiders participating
  • Latest reply 2 days ago by PinballGurus
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There are 55 posts in this topic. You are on page 2 of 2.
#51 2 days ago

So this is the 62v circuit? WPC95
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#52 2 days ago
Quoted from PinballGurus:

This is the Q10 I’m talking about. It’s the twilight zone repair. Not sure what I’m missing...

Ok, now I'm on board ... you are using troubleshooting advice to repair a board you don't have. Twilight zone (1993) had a dot matrix controller board AND a sound board which is standard for the WPC89 board set. Congo is a WPC95 machine, you have an AV board that has the sound board and display controller board combined. The schematic I linked in post 35 is the entire 62V section all the way from your power transformer to the display.

#53 2 days ago

Yes sir. This circuit on mine? Just want to check the correct parts.
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#54 2 days ago

Yes, It looks exactly like this one from the WPC95 schematic drawings, its just missing some of the drawing.

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#55 2 days ago

Thanks for your help on this everyone. I’ll test those parts and report back.

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