(Topic ID: 306821)

Williams Hyperball switch matrix issue

By cjs001

2 years ago


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  • Latest reply 1 year ago by pookycade
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#3 2 years ago

I found with my game, many of the optos had failed. The solder joints to the small PCBs they are mounted on fail often also.

Where did you source new optos from? I assumed that the right kind of opto was long ago obsolete.
--
Chris Hibler - CARGPB #31
http://ChrisHiblerPinball.com/Contact ... for board repairs
http://www.PinWiki.com - The Place to go for Pinball Repair Info

1 week later
#9 2 years ago

Interesting. I wonder why this works? What is the diode doing?
--
Chris Hibler - CARGPB #31
http://www.ChrisHiblerPinball.com/Contact
http://www.PinWiki.com - The Place to go for Pinball Repair Info

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