Gottlieb Hi-Diver (Gottlieb, 1959) not resetting diver wheel

jay3489

Pinball Wizard
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Oct 15, 2019
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Favorite Pinball Machine
Moulin Rouge
Working on a Gottlieb Hi Diver

Had everything working perfectly, then a problem cropped up that is driving me crazy

When the game ends, the diver wheel on the backglass is not resetting

I thought the problem was tied in to the 4th and 5th through switches but that does not seem to be the case
All the switches are working properly

The game does end and the match comes on, but the diver wheel should reset before the match.

The F relay (diver zero) is not being activated . The coil on the relay is good

I attached a section of the schematic involving the problem

Any help would be greatly appreciated

"@pinballdaveh"


HD.jpg
 
Did some more troubleshooting

On the last ball the F (diver zero relay)
triggers when the ball goes through the out hole

But it does not stay in to reset the diver wheel

After looking at the schematic it appears that the F relay is supposed to hold on itself through a “On Add Points Switch”

I have no idea where this switch is
There is no On Add Points relay

Think I might have found the problem but no idea where this switch is

HD.jpg
 
Did some more troubleshooting

On the last ball the F (diver zero relay)
triggers when the ball goes through the out hole

But it does not stay in to reset the diver wheel

After looking at the schematic it appears that the F relay is supposed to hold on itself through a “On Add Points Switch”

I have no idea where this switch is
There is no On Add Points relay

Think I might have found the problem but no idea where this switch is

View attachment 18583
I don’t know where the on add points switch is.
SL-BLk wire coming from the f and I relay switches could be traced to it.
If I were to guess I would say that it’s a blade switch on one of the steppers gear side.
 
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