Can you post a picture of lower side of powerdriverboard, from J122 to J132 ? With some luck wrong plugged
(Topic ID: 154902)
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Doctor Who
Bally, 1992
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Quoted from mbaumle:On WPC games, the flasher circuit runs independently from the coil drivers, which is why this is a mysterious problem.
The Flashers in this case are located between coil drivers. Idea to lift one leg from tiebackdiode D26 on powerdriverboard ? (with a remark that if this board is used in antoher machine, the Diode has to be soldered back in place.)
PDB_D26_(resized).jpg
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