(Topic ID: 287173)

Williams High Speed Left Hideout Problem

By Blantz59

1 year ago


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  • 11 posts
  • 3 Pinsiders participating
  • Latest reply 1 year ago by nplg
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#1 1 year ago

Hello,
I'm new to Pinside and at a complete lost of what's causing my problem. My Williams "High Speed" has been recently having problems with the Left Upper and Lower switches on the hideout ramp. When I run a switch test it's not recognizing either switches as well has the shooter lane switch, and the engine rev when either flipper is activated. All other switches seem to be fine. All the coils are also firing as well as the left hideout coil when I run a coil test. I have checked all the fuses in the head of the machine and they all test good. I don't see any lose wires or anything else that might be the culprit.
I have tried to find anyone in the central Ohio area that does pinball repairs with no luck. Any help would be greatly appreciated.

#2 1 year ago

You tube has lots of short videos on how to use a meter and also check continuity.

If those switches have a common wire, you likely have a break from them along the way at other switches and to the board in the head.

LTG : )

1 week later
#3 1 year ago

Thank you for the response. I tested continuity on all the wires to the affected switches and they all test good.

#4 1 year ago

I've seen the large plug from the playfield to the backbox cause problems with groups of switches. May be worth taking it apart, cleaning, and checking continuity from the playfield side back to the main board connector(s).

#5 1 year ago
Quoted from nplg:

I've seen the large plug from the playfield to the backbox cause problems with groups of switches. May be worth taking it apart, cleaning, and checking continuity from the playfield side back to the main board connector(s).

Thanks, I'll take a look tonight to see if that's the culprit. I've owned this machine for nearly 25 years with little to no trouble up until now. I appreciate the advice, I really hope that's the cause of my trouble because I've checked about everything else I can think of.

#6 1 year ago

All of the switches you named are on the same "column" (#5, Green-Black wire, 1J8-5, Q43). At 35 years old it is certainly a connection, loose wire in a crimp, or cracked solder joint. Been there on a High Speed I'm restoring.

Once located, the fix is a quick one

HS_Matrix (resized).JPG
#7 1 year ago
Quoted from nplg:

All of the switches you named are on the same "column" (#5, Green-Black wire, 1J8-5, Q43). At 35 years old it is certainly a connection, loose wire in a crimp, or cracked solder joint. Been there on a High Speed I'm restoring.
Once located, the fix is a quick one
[quoted image]

Thanks again for your help. I recently replaced the entire left flipper assembly before the trouble started. Do you think that could have anything to do with the trouble I'm now having? I'm getting ready to remove it, and reinstall it incase I have a cold solder joint or something. The left flipper is working great, but I'm wondering if maybe it's connected somehow. I'm also trying to find which large plug you mentioned in your earlier post. Does that plug attach to the CPU board?

Thanks again

#8 1 year ago

Definitely double check all of the wiring in the area where the work was done. The diagram calls out the wires for the switches in question.

BTW: The "large connector" is on one of the playfield cables. Large, multi-pin connector maybe 24+ pins.

#9 1 year ago
Quoted from nplg:

Definitely double check all of the wiring in the area where the work was done. The diagram calls out the wires for the switches in question.
BTW: The "large connector" is on one of the playfield cables. Large, multi-pin connector maybe 24+ pins.

Thanks again for your help. I'm hoping to go over everything you suggested this weekend. I really do appreciate your help because not knowing the cause is very frustrating.

#10 1 year ago
Quoted from nplg:

Definitely double check all of the wiring in the area where the work was done. The diagram calls out the wires for the switches in question.
BTW: The "large connector" is on one of the playfield cables. Large, multi-pin connector maybe 24+ pins.

I re-wired the left flipper assembly and now I have a new issue. When I run switch test I'm getting message saying problem with 11 (Center Trough) and 12 (Right Trough) errors, and still having the original switch issue. I'm going to need to find someone that does repairs in central Ohio because I'm concerned about possibly doing more damage because my eyes aren't as good as they once were. Do you know of anyone in central Ohio that might be able to assist me with this?

#11 1 year ago

I can do it. Send me a direct message and we can discuss details.

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