Temporarily switch J120 and J121. If the bad string moves from the backbox to the playfield then most likely the issue is on the driver board
https://www.pinwiki.com/wiki/index.php?title=Williams_WPC#General_Illumination_Problems
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Temporarily switch J120 and J121. If the bad string moves from the backbox to the playfield then most likely the issue is on the driver board
https://www.pinwiki.com/wiki/index.php?title=Williams_WPC#General_Illumination_Problems
You're currently viewing posts by Pinsider emsrph.
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