Photo: TractorDoc
  1. » Forum
  2. » Tech
  3. » Tech: DMD era games
  4. » how to trigger / check a switch on the CPU on a WPC
(Topic ID: 144680)

how to trigger / check a switch on the CPU on a WPC

By aveamike

8 years ago



Topic Stats

You

Linked Games

No games have been linked to this topic.

    Topic Gallery

    View topic image gallery

    146_addams-family-switch-matrix-1339633204.jpg
    0
    0
    0
    #1 8 years ago
    OP
     
    MYK

    aveamike

    Pinside member

    US Hudson, NY

    10y 44,050 644 6

    hello,

    can someone be so kind as to tell me how to check a switch on the CPU board.

    i know the switch matrix tells you which pin but i have never really understood how to do it.

    thanks,

    m.

    0
    0
    0
    #2 8 years ago
     
    QRK

    Deez

    Pinside+ Frequent

    12y 139K 6,778 13

    Do you mean mean operate the switch at the MPU so see if the problem is on the board?

    0
    0
    0
    #3 8 years ago
     
    TAB

    terryb

    Inactive member

    US Banning, CA

    11y 90,150 4,795 14

    I presume you're trying to narrow a matrix problem down to whether it is the board or the playfield.

    See the example below. If you want to trigger switch 44 then you would jumper from that row to that column (J208-4 to J206-4).

    146_addams-family-switch-matrix-1339633204.jpg146_addams-family-switch-matrix-1339633204.jpg

    0
    0
    0
    #4 8 years ago
     
    )(

    Solder_Splash

    Pinside member

    US Sagamore Hills, OH

    12y 42,150 995 5

    And if it's a dedicated switch you're checking (test buttons, door switch, etc.), jumper the connector on the CPU to ground.

    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/how-to-trigger-check-a-switch-on-the-cpu-on-a-wpc 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.