(Topic ID: 237029)

Anyone have this gottlieb system 1 problem?


By Doggy

4 months ago



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  • 23 posts
  • 6 Pinsiders participating
  • Latest reply 3 months ago by Mitch
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    #1 4 months ago

    This board I’m about to throw out the window.
    I had a memory problem that I had finally gotten to the bottom of,
    Then this happens.. not too sure what happend here. I had soldered
    4 wires on the back of the board due to bad 5011 traces, fixed that problem
    Just to turn on the game today to display problems..
    On display 1 and 3 I only get 3 numbers and display 2 and 4 I get only one number.
    This is a back up board that I was using temporarily just to make sure the memory held a few days, now this...
    Anyone have any suggestions?

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    #2 4 months ago

    Have you repinned all the connectors yet? Start there, that’s the best place to start with any sys1. I’ve owned a ton of them.

    I’d you can afford it I would replace at a minimum the cpu board with a Pascal, those are the best. Ni-Wumpf second. Again I’ve owned them all. All in one from Pascal if you never want to worry about another board issue for the rest of your own life. However the stock power supply and driver boards are pretty robust overall.

    #3 4 months ago

    I would say 90% of the sys1’s I’ve fixed have been by simply repinning all the connectors. Do that, then work on troubleshooting boards.

    The connectors might look fine but I promise you they are not.

    #4 4 months ago

    I think it’s something with the board. I put the board in another game and the problem followed,,

    #5 3 months ago
    Quoted from Doggy:

    I think it’s something with the board. I put the board in another game and the problem followed,,

    CPU or driver board? Driver board is very easy to repair, CPU less so.

    #6 3 months ago

    The cpu board I put in another machine and the problem followed. I changed out Z16 and Z17 but no change.

    #7 3 months ago

    Man I’m just compounding my problems.. while testing my voltage on my power supply it all seemed good, that is till I measured the 60 volts. While doing so I slipped a bit with the probe and it sparked a little. Now my 60 volts measure 99 along with my 42 (that also measures 99.. now what?? I know I fried something but the board still looks brand new. Btw it’s a rottendog. I don’t see any burns on the board at all. This is just getting frustrating...

    #8 3 months ago

    HV regulator is shot.

    RD schematics still show HV regulator to be LM317AHV.
    This regulator has an *absolute maximum* input to output voltage rating of 60V.
    You have roughly 90V coming in and normally 60V going out. So most of the time - there is a (90-60) or 30V differential.
    If you short the output then these regulators will shut off the outputs until the short circuit goes away. BUT, for this design, there is a (90 - 0) or 90V differential. This is 50% higher than the manufacturer's absolute maximum rating. As a result - I have seen parts that actually exploded due to this type of failure.

    #9 3 months ago

    Thanks GPE, I’ll order one from Great Plains. I changed out 7448 (z16 and 17) with pulled chips but not
    100% sure there good chips. Would you know a replacement chip for them?

    #10 3 months ago

    Sinbad is one of the best if not the best Sys 1 game, it's a keeper, it's been in my collection longer than any other game i've ever owned. Mine is completely restored and looks like brand new. I'd strongly encourage you to get a Pascal P1-X4 board, the additional features bring the game up a bit (attract mode, some lighting features, some scoring change etc), the difference in playing a game with a Pascal CPU and the stock boards is night/day.

    And you'll never have to deal with board issues again. I started out keeping a Pascal P1-X4 and moving it from game to game. Like i said you could just get the CPU board and save a little coin, but i liked the extra protection the all in one provides on the circuits.

    Just my .02

    #11 3 months ago
    Quoted from chrisnack:

    Sinbad is one of the best if not the best Sys 1 game, it's a keeper, it's been in my collection longer than any other game i've ever owned. Mine is completely restored and looks like brand new. I'd strongly encourage you to get a Pascal P1-X4 board, the additional features bring the game up a bit (attract mode, some lighting features, some scoring change etc), the difference in playing a game with a Pascal CPU and the stock boards is night/day.
    And you'll never have to deal with board issues again. I started out keeping a Pascal P1-X4 and moving it from game to game. Like i said you could just get the CPU board and save a little coin, but i liked the extra protection the all in one provides on the circuits.
    Just my .02

    ^ This! I restored my Joker Poker last year and switched from a NiWumpf to the Pascal P1-X4. No regrets!

    #12 3 months ago

    Does anyone else have tilt sensitivity issues with there Pascal all in one board. My joker poker does and so does my buddy pinball pool.

    #13 3 months ago
    Quoted from Mitch:

    Does anyone else have tilt sensitivity issues with there Pascal all in one board. My joker poker does and so does my buddy pinball pool.

    Never had any issues and I’ve used the boards in 5 or 6 games. I’m going to ask anyways you have adjusted the tilt bob right? It just makes a connection there really isn’t a sensitivity setting. It just grounds the connection.

    #14 3 months ago
    Quoted from tktlwyr:

    ^ This! I restored my Joker Poker last year and switched from a NiWumpf to the Pascal P1-X4. No regrets!

    I restored a JP a couple years ago with a CPR playfield, turned out beautiful.. I’ll never do cabinet painting again though, that sucked....

    #15 3 months ago
    Quoted from chrisnack:

    Never had any issues and I’ve used the boards in 5 or 6 games. I’m going to ask anyways you have adjusted the tilt bob right? It just makes a connection there really isn’t a sensitivity setting. It just grounds the connection.

    Oh ya cleaned and adjusted sanded bob, rod and ring, last thing to try is repin the connector for it. Guess I'm gonna try that. Good to here it's worked properly on multiple games for you gives me hope.

    #16 3 months ago
    Quoted from chrisnack:

    I restored a JP a couple years ago with a CPR playfield, turned out beautiful.. I’ll never do cabinet painting again though, that sucked....

    The game was rough but turned out awesome. Playfield, glass, plastics and cabinet were all done.

    She’s my baby!

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    #17 3 months ago

    Nice, LED displays too. I just put those in my Sinbad as 3 of my displays bit it finally. If I re-burned them they would fade out again in a few hours.

    Turned out great! Well done!

    #18 3 months ago

    Thank you!

    I had previously done a STTNG and currently finishing up an Eight Ball.

    #19 3 months ago
    Quoted from Mitch:

    Does anyone else have tilt sensitivity issues with there Pascal all in one board. My joker poker does and so does my buddy pinball pool.

    did you do the tilt bypass

    #20 3 months ago
    Quoted from luch:

    did you do the tilt bypass

    Not sure what that means.
    It's the tilt bob doesnt always register when your nudging if you love it by hand inside the cab to touch the bob to the ring it tilts out right away.
    Didnt have this issue till I installed the Pascal all in one board but it is a older pascal board before they added the skill shot features.

    My buddy's pinball pool has the same issue same board.
    I'm gonna try repinning the connector as nobody else has had this issue.

    Other then that I love the all in one pascal boards. Simply amazing and never has any playability issues.

    #21 3 months ago

    there is a jumper wire you do to the board so the game does not slam tilt , yes check pins on connectors

    #22 3 months ago

    was reading up on the pascal board manual and you can disable the slam tilt on the board , it's in the manual

    #23 3 months ago
    Quoted from luch:

    was reading up on the pascal board manual and you can disable the slam tilt on the board , it's in the manual

    Ya it's not a slam tilt issue.

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