addams family dies in game play

firepowerplayer

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The game plays fine most of the time untill multi ball made. Not always but sometimes the game dies just for a second. The game had a problem like this when I bought it, and the guy who sold it to me had to work days before he found a diode in backwards.

I did the switch test and the only closed switches were the optos. i tried to find the marvin guide, is it gone? I can fix the older games, but have never had to fool with one this new.

Interesting note, I bought this game working from a jobber who got it from a vendor. He did very little to the game and sold it to me as "Shopped". When the game started to black out he had to come fix it. I took a while to realize that the door switch had to be closed for the balck out to happen. When the 3rd ball fell into the multiball trough, the game died for a sec. He said the about 10 people had the game out, none ever made money and they all dumped it. I think maybe everytime a serve call was made the door was open. For a game that spent it's whole life on location, it had one small place on the playfield. (switch test will not run if door is closed, tried that.

Any help would be great.

The johnasauars rex
 
but sometimes the game dies just for a second

cold solder joints on a header pin would be my guess. all that action drawing down the voltage for a second but no reset ? continues on without the loss of score ?

huh

you have the A/C on in your house ? try turning the A/C off and see if it dies for just a second with it off
 
yes marvins guides are gone, pinwiki.com is a replacement (and I add also more tech articles on my site)

optos are by default closed, that's normal

does the game reset when you press both flippers ?
Then you probably have to replace the two bridge rectifiers under the heatsink (upper right part of the powerdriverboard) and the C5 rectifier cap.
That solves about 95% of all reset problems.

But they can be cause by other things too - like broken diodes on flipper coils, burnt connectors so the cpu gets less than 5v, ..
 
Ok I should have included that the game reset. I thought that both flippers would kill it, because it happened when I did both flippers, but it is not constant. I will check ll your ideals.
Thank you
 
When you press both flippers all in at once (so the top ones fire as well), then yes... most likely BR2 needs to be replaced. It won't do it every time when about to die, but close. In multiball, with more coils firing at once, that may be what's setting them off.

Also, you can bullet proof the board in the back by adding additional wires from the bridge rectifiers to where the leads come from, just to double up. Sometimes the leads start to flake out, and this helps out (obviously, as there are two paths instead of one).

If not a BR2 issue, could check to see if just one of the flippers can cause the reset. if so, you may have dying/dead/cracked diodes on your flipper coil. But, I'm saying BR2 is most likely the issue.
 
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btw if you now have airco running and the power at your house is lower this can also cause the pin to reset... so start measuring the voltage that arrives at your wall socket.

and I'm probably not in the same country as you are :)
 
A big thank you to all who helped(was addams family died

Thank you everybody. I ordered the bridge rectifiers and the C5 cap by part # from marco. The br's were great, but the C5 had leads at each end, not both one side. It is the right ufarads, but still will not work. The 2 BR,s fixed it for now. Am I supposed to put litumin grease under the heat sink?

Thank you again

The johnasaures
 
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