Photo: pinballphotos
  1. » Forum
  2. » Tech
  3. » Tech: Early solid state
  4. » Calling all gottlieb system 1 tech guys
(Topic ID: 235513)

Calling all gottlieb system 1 tech guys

By Doggy

5 years ago


Topic Heartbeat

Topic Stats

  • 18 posts
  • 6 Pinsiders participating
  • Latest reply 5 years ago by Doggy
  • No one calls this topic a favorite

You

Linked Games

No games have been linked to this topic.

    You're currently viewing posts by Pinsider Raff.
    Click here to go back to viewing the entire thread.

    0
    1
    1
    #9 5 years ago
     
    RAS

    Raff

    Pinside member

    AU North Adelaide

    9y 66,550 1,496 19 7

    I had that problem it was the 5101 ram chip

    0
    0
    0
    #12 5 years ago
     
    RAS

    Raff

    Pinside member

    AU North Adelaide

    9y 66,550 1,496 19 7

    Ok put in a new 5101 chip then a new battery then go into book keeping and reset all everything from 1-9 that should work. If you can only put up 1 credit at a time then thats where your problem is around the 5101.

    0
    0
    0
    #14 5 years ago
     
    RAS

    Raff

    Pinside member

    AU North Adelaide

    9y 66,550 1,496 19 7

    Check the dc voltage at pin 22.
    Should be around 3.6 volt.

    0
    0
    0
    #15 5 years ago
     
    RAS

    Raff

    Pinside member

    AU North Adelaide

    9y 66,550 1,496 19 7

    Have you done the ground mods to the mpu, driver and power boards.and you might want to have a look here on pinside for
    Gottlieb/Dragon/Problem with holding high score and only 1 credit.

    You're currently viewing posts by Pinsider Raff.
    Click here to go back to viewing the entire thread.

    Reply

    Wanna join the discussion? Please sign in to reply to this topic.

    Hey there! Welcome to Pinside!

    Donate to Pinside

    Great to see you're enjoying Pinside! Did you know Pinside is able to run without any 3rd-party banners or ads, thanks to the support from our visitors? Please consider a donation to Pinside and get anext to your username to show for it! Or better yet, subscribe to Pinside+!

    This page was printed from https://pinside.com/pinball/forum/topic/calling-all-gottlieb-system-1-tech-guys?tu=Raff and we tried optimising it for printing. Some page elements may have been deliberately hidden.

    Scan the QR code on the left to jump to the URL this document was printed from.