Williams Pat Hand - When "Nothing" Works...

(Topic ID: 233322)

Williams Pat Hand - When "Nothing" Works...


By SilverBallKid

17 days ago



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  • 4 posts
  • 4 Pinsiders participating
  • Latest reply 16 days ago by rolf_martin_062
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#1 17 days ago

OK guys I am totally embarrassed to admit this, but...

I had some pals over the other night to play my tables. There was a light out on Pat Hand. A buddy who owns a table asked if he could pull the glass and open PH up to change the light, as I was in the middle of a multiball on F2K. I said yes. Then, he changed the light... and promptly lost grip and dropped the playfield from (apparently - OBVIOUSLY) somewhere from the "service position" continuum. It crashed back down onto the cabinet.

Yeah, I know, I should NEVER have let anyone other than me do anything. Ugh...

Anyway, I could have dropped it too, I suppose. Bottom line is, the game does not work now. I am a little freaked out as I have never had anything like this happen with any of my 4 tables (2 EM, 1 SS, 1 DMD). So here is what I can tell you. I almost want to just call in for a repair as I am up to my you-know-what between work and a home improvement project (ah, marriage...) but I thought I would see where Pinside got me first.

Game is rigged for FREE PLAY.

OK Here are the details:
1. Start button does not work, although there are credits on the machine and there appears to be continuity at the switch.
2. I can get the game to start with no issues if raise the pf and I manually trip the coin relay. It will go through the start up sequence properly and the outhole kicker will fire to serve a ball. Bonus stepper cycles, kicks to 1,000 and rests as it should. All of it. All feature lights come on. All of it.
3. At this point, nothing "in game" works. No playfield switches, no pops, no flippers, no rollover switches, no stand up targets, nothing.
4. If I manually trip any score relay in the back (all 3 work: 10, 100 and 1,000) or do anything to trip the tilt relay and then manually operate the outhole switch, it will cycle the player stepper like normal and will do so for 1, 2, 3, and 4 player games. I can move through all five balls of a game this way with no issues.

I am guessing this is 2 separate issues here, #1 above being one and 2-4 being another.

Any thoughts? I am probably over-nervous because of the "dropping of the playfield trauma" portion of this situation, but it really makes me nervous.

Thanks in advance for all insight.

Tim in Motown

#2 17 days ago

It's most likely something minor. I would put the playfield back up and start looking for bent switches or broken wires anywhere that the playfield might have smashed into the cabinet. The impact might have also affected the fuses...check any on the underside of the playfield and the fuses in the front on the mech board.

#3 16 days ago
Quoted from bonzo71:

put the playfield back up and start looking for bent switches or broken wires anywhere that the playfield might have smashed into the cabinet

Good advice from bonzo71

Also, if the Credit Button doesn't activate the Credit relay, inspect and diagnose this circuit with Alligator clip jumper wires.

And the Pat Hand manual has a good description of the Reset Cycle.
https://www.ipdb.org/files/1767/Williams_1975_Pat_Hand_Instruction_Manual.pdf

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#4 16 days ago

Hi Tim
look in the ipdb, manual https://www.ipdb.org/files/1767/Williams_1975_Pat_Hand_Instruction_Manual.pdf on page 30 (ori-28), Tilt-Relay, Switch-C - wire-red runs to the Playfield switches, wire red-yellow-white comes (+/-) from switch on Reset-Relay. Look in Your pin at the Tilt-Relay and the switch. Greetings Rolf

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