(Topic ID: 277503)

1969 Williams Seven Up End of Game Issue


By Bkelley

5 months ago



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  • 8 posts
  • 5 Pinsiders participating
  • Latest reply 5 months ago by Bkelley
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#1 5 months ago

Just got this machine, has been working with no real issues until this started happening. Game plays fine until last ball is sunk and one of the coils starts firing like mad and won't stop until I hit the reset button. Video below should give a relatively good idea of what is happening. Not sure where to start with this one... any help appreciated.

#2 5 months ago

Which coil is that? Is it labeled?

#3 5 months ago
Quoted from StratDoc:

Which coil is that? Is it labeled?

Looks like it's the Side Post relay. OP can verify wire colors and functionality.
See the manual https://www.ipdb.org/files/2104/Williams_1969_Seven_Up_Instruction_Manual.pdf

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#4 5 months ago
Quoted from HowardR:

Looks like it's the Side Post relay. OP can verify wire colors and functionality.
See the manual https://www.ipdb.org/files/2104/Williams_1969_Seven_Up_Instruction_Manual.pdf
[quoted image]

Yes this is the one!

#5 5 months ago
Quoted from Bkelley:

Yes this is the one!

Is there one on the left side?

#6 5 months ago

Check the end of stroke switches on both of the post units. When post is down one switch isn’t opening far enough allowing the game over switch in the circuit to complete the circuit to the side post relay.Not until both end of stroke switches are open the relay will chatter.

#7 5 months ago
Quoted from currieddog:

Is there one on the left side?

There is only one down button which is the one chattering. There is one coil on either side to control each post going up and down

#8 5 months ago
Quoted from pinballdaveh:

Check the end of stroke switches on both of the post units. When post is down one switch isn’t opening far enough allowing the game over switch in the circuit to complete the circuit to the side post relay.Not until both end of stroke switches are open the relay will chatter.

You my friend are a great man. This is it. The right post at end of stroke was not separated.

Thanks!

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