(Topic ID: 299168)

Score reels reset

By Dsquared314

11 months ago

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  • 7 posts
  • 2 Pinsiders participating
  • Latest reply 11 months ago by Dsquared314
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#1 11 months ago

I’ve checked P5B, Ax relay, z1,z2 and can’t figure it out.

Sometimes it doesn’t work, sometimes it only resets player 1&2
Sometimes it only resets player 3&4

#2 11 months ago

The Z1 and Z2 relays are controlled by the disk and wiper at positions 20 and 21 on the Player unit. Does this help?

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#3 11 months ago

I cleaned the player unit circuit board thinking that would fix it but no luck.

Why does it work for 1&2 only then I do the reset again and works 3&4?

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#4 11 months ago

What part of the following is not working correctly?

  1. When the Player unit gets to position 20, that should energize Z1.

  2. The Player unit should not move to position 21 until every 1st and 2nd player score reel is on 0.
  3. Similarly, when the Player unit gets to position that should energize Z2.
  4. The Player unit should not move to position 22 until every 3rd and 4th player score reel is on 0.
#5 11 months ago

I was able to watch the player unit while wife hit start and it didn’t complete step one. It completed 2,3,4.
I wish this could post videos (could use YouTube) I saw Z2 energize. Took a picture of 21st position

I got numbers >0 on all reels, hit start again and completed step 1&2&4 but not 3
Wasn’t able to get a video, wife didn’t stay to push start again

Another topic, it worked properly before so not too worried about this wire. When I looked at player unit there was a wire (maybe a ground?) looped around the fastener and that holds the player unit to the sheet metal bracket
Would that be a ground wire or did it come disconnected from something?

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#6 11 months ago

If Z1 and Z2 intermittently don't activate when they should, another place to check is the make/break switch on AX that I didn't highlight on the right side of the schematic fragment in this post

For a switch to work 3 things are necessary:
1) When open, there should be a small space between the contact points (duh)
2) When closing, the long blade's contact point should push the short blade's contact point enough to move the short blade
3) The contact points should be clean, which they usually will be if #2 is happening

#7 11 months ago

Rookie mistake
Always remember to tighten and clean everything

Both set screws for the player unit were loose

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