(Topic ID: 189902)

Grand Prix score reset

By BarryMulvihill

6 years ago



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#1 6 years ago

Scores do not reset at startup. Occasionally they will pulse once, but not to zero.

If I manually activate multiple times # 1,2,&3 reset relays all scores do reset to zero.

Manual mentions # 1,2,3 relays pulsed thru cam switch b&d. Also thru reset relay. Reset relay has been cleaned and adjusted properly.

I am confused as to what is Cam b and cam d.

Any hints appreciated. As always thank you in advance.
-Barry

#2 6 years ago

The cams are on the score motor. They are named A for the lowest one, B for the next, and so on.

#3 6 years ago

The cams are numbered 1 through 5, and Impulse. The switches on each cam are identified by letter. See attachment

Pinball (resized).pngPinball (resized).png

#4 6 years ago
#5 6 years ago

haha its a williams. thanks tho D-Gottlieb . and thank you HowardR thats the hint i needed . will follow with hopefully good news. i see the cams on my schematic now that you pointed it out. still learning.
-barry

#6 6 years ago

am i missing a symbol or something, or do you only have the drawn open/close states of switches, on schematics (speaking of diagram above, score motor)? cause its mad hard to distinguish the two states lol.

#7 6 years ago
Quoted from BarryMulvihill:

am i missing a symbol or something, or do you only have the drawn open/close states of switches, on schematics (speaking of diagram above, score motor)? cause its mad hard to distinguish the two states lol.

Does this chart from the Williams Grand Prix schematic answer your question?

Pinball (resized).pngPinball (resized).png

#8 6 years ago

The Blue/white wire on reset relay was not attached. All scores do reset now.

Thank you as always.
-Barry

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