(Topic ID: 221556)

LOTR DMD problem


By fly

2 years ago



Topic Stats

  • 17 posts
  • 3 Pinsiders participating
  • Latest reply 2 years ago by PinballManiac40
  • Topic is favorited by 1 Pinsider

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    #1 2 years ago

    Today I turned on the pinball after a longer break and the display works badly, like in the picture.
    I have checked the cables, they are good.
    What could be the reason ??

    20180720_183142 (resized).jpg
    #2 2 years ago

    Corrupted display rom, try reseating it. Also, reseat all the ribbon cables.

    #3 2 years ago

    still the same :/

    #4 2 years ago
    Quoted from fly:

    still the same :/

    Are you sure all the pins on all the cables are straight and not bent and everything is aligned? Does the game play?

    #5 2 years ago

    yes, the game normally works, only there is a problem with the display.

    the second strange thing, I'm programming a new rom and there is nothing on the display, I put the old one and display it with an error (as in the picture)

    #6 2 years ago

    Measure the voltages at the DMD power cable, -112v, -100v, 12v, 5v, and 62v.

    #7 2 years ago

    there is no 12V voltage (BLU)

    #8 2 years ago

    Ok. that is normal for Whitestar then. Can you post the voltages you measured?

    #9 2 years ago

    -113,5V, -102,5V, ... 5,02V, 73,2V.

    #10 2 years ago

    any ideas?

    #11 2 years ago

    The 73v is a bit higher than I had seen before, bit it still may be ok. Maybe try your DMD out of your Demo Man in LOTR. You should be able to make the 2 connections without physically taking the old DMD out of LOTR to test, just you need to hold the DMD by the edges to prevent shocking yourself.

    #12 2 years ago

    so I can connect Williams's display to check?

    #13 2 years ago

    Yes. Same type of orange plasma DMD, even if it is a different brand/manufacturer.

    #14 2 years ago

    everything is clear, the display is damaged.
    Thank you very much for the tips.

    #15 2 years ago

    No problem.

    Good time to uprgade to a ColorDMD, if you like that sort of thing like I do. Lots of good color animations in LOTR.
    http://shop.colordmd.com/colordmd-replacement-display-for-lord-of-the-rings-pinball-machine/

    #16 2 years ago
    Quoted from PinballManiac40:

    No problem.
    Good time to uprgade to a ColorDMD, if you like that sort of thing like I do. Lots of good color animations in LOTR.
    http://shop.colordmd.com/colordmd-replacement-display-for-lord-of-the-rings-pinball-machine/

    I will have to think about it, for now I will install a spare display from williams.
    Thank you

    #17 2 years ago

    Glad you have a spare DMD.

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