Arcade Collecting > Pinball

Pinball mechanical problems

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Chris:
Well, my 1972 Fan-Tas-Tic isn't in as good a mechanical shape as I thought.  Problems I've seen so far:

* Nothing worth 10 or 50 points registers on the scoreboard.  When I hit a 50 point rollover I can hear something under the playfield advance 5 times but the 10 point reel doesn't advance.  This is for all players, so it's not just a problem in the player 1 reels. FIXED
* Once player 2 has the ball, he's loathe to give it up.  Only after several balls have drained will player 3 get a turn. FIXED
* On the roulette wheel, two of the rewards are reversed.  I thought at first maybe the label wasn't oriented properly but all the other rewards are correct. FIXED
* The jet bumpers always award double the score they're supposed to. FIXED
* The left outlane ballsaver only triggers occasionally, and when it does trigger it sticks until physically pushed back into place. FIXED
* When resetting the scores, player 2's score sticks at 8000. FIXED
* One of the stand-up targets won't register. FIXEDTime to hit Marvin3M to see if I can figure these things out...

Kevin Mullins:
EM's are fun to work on in my opinion.
But each one can be unique as far as troubleshooting goes.
Sounds like you have alot of switch cleaning to do to start with.
Alot of times there are multiple switches that need to activate in order to perform one final function. (like score reel resetting) If one switch is not quite right by either being dirty or mis-adjusted then it can cause problems elsewhere.

Should be a good project though for sure.   :cheers:

ChadTower:

That sort of thing, 95% of the time, will be cleared up by the general shop job that marvin3m's site will have you walk through.  So long as nothing is missing or broken those things get exposed in that process.

Chris:
Well I may have found one of my issues.. there's a small piece of cardboard folded over and jammed into one of the switches on the 10 point relay.  I'm guessing someone's wife got sick of hearing the 10 point chime.   :hissy:

[later]

Ah, I see... with the cardboard removed, the 10 point coil is constantly energized, causing the 10 point reel solenoid to buzz as it's engaged constantly.  So there's a switch out or a short somewhere.

ChadTower:

First thing that comes to mind is to check the NC or NO status of all of the switches in that circuit... make sure they are all right.  Take an NO switch and NC it and you end up with that issue.

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