Arcade Collecting > Pinball
Demo Man Cryoclaw Issues
Flake:
--- Quote from: pinballwizard79 on April 08, 2009, 05:44:55 pm ---One day the dino on my Jurassic Park started missing the ball. Turns out it wasnt the up/down motor, the jaw or the entire dino at all.
It was the left/right motor, well the gears to be exact.
Over time the gears wore & became sloppy & when a moving pinball toy has just an inch of slack that can cause problems for working with a ball of the same size equal to its margin of error.
So long story short...................if there are gears maybe they are stripped?
Then again was that something you said was rebuilt?
BTW this is a weird problem indeed.
--- End quote ---
I've thought of this but if this were the case wouldnt it NOT work during test mode? I can move the claw back and forth all day long while in claw test mode.
pinballwizard79:
---steaming pile of meadow muffin---
You are right if this works in test mode why the hell wouldnt it work in gameplay?
Damn you braddock!!!!!!! (chuck norris reference in case you didnt know)
I saw the posts on rec & read about reseating the socketed chips, replacing the optos, wires to the optos & etc.........
Did you talk to the seller about these possibilities?
Flake:
So last night I go into claw test mode and now the claw DOESNT move seamlessly back and forth. It only nudges right and left little bits at a time. The box that indicates the activated switch on the DMD doesnt stay X'd out either after the claw stops. I can continue to nudge it right/left if I continue to press on enter. So this has to be an opto problem right?
I also checked all the connections behind the backglass and it would seem to me everything has a strong connection.
Karetaker:
Boy does this bring back memories. I've seen this problem more than once on these games. I was banging my head against the wall because it just didn't make any sense. The problem turned out to be the plug going into the lower left hand corner of the driver board. It powers the claw. I can't remember which one it is off the top of my head so refer to the manual. Change the pins in that plug and the header pins on the board. That cured my problem and the symptoms you are saying are identical! Change it to at least rule it out but I'll bet that will fix it for you.
Flake:
Well I unplugged/replugged those plus you mentioned and the claw actually worked for one time then it stopped again. It went back to its usual self, nudging a bit to the right then stopping never to work again in a game. It tests out fine - although during the test immediately after the error it actually went too far left at first and an out of range error occured. First time thats happened. However, it went back to testing normal after running the manual's fix for an out of range message.
So how the hell do you replace plugs and header pins?
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