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(Topic ID: 224632)

System 11 display help

By Andyzola87

5 years ago



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    #1 5 years ago
    OP
     
    ALA

    Andyzola87

    Pinside member

    US Silver City, NM

    7y 48,900 362 10

    Hey everyone,

    I just picked up an Earthshaker and I’m having a problem with the lower display. The top display works fine but the lower display is not showing anything. I checked out http://techniek.flipperwinkel.nl/wms11/index3.htm#display and noticed my negative voltage is around 128 volts and my positive is around 103 volts. I’ve also flipped my ribbon cable (same problem when flipped) and checked the two fuses for the 100+ and 100- (they are fine). So far the only thing I’ve noticed is my negative volts is out of spec. It should be around 105 and it’s at 128. Could that cause the lower display to not work? Any help is appreciated.

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    #2 5 years ago
     
    JMR

    pinballplusMN

    Pinball Plus Inc.

    11y 84,800 2,591 1

    You proabably have a bad glass. Never seen an electronic component other than glass on these boards that cause one display to be completely dead.

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    #3 5 years ago
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    Andyzola87

    Pinside member

    US Silver City, NM

    7y 48,900 362 10

    Quoted from pinballplusMN:

    You proabably have a bad glass. Never seen an electronic component other than glass on these boards that cause one display to be completely dead.

    That’s what I was thinking

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    #4 5 years ago
     
    KVT

    PiLgRiM

    Pinside member

    US Putnam Valley, NY

    5y 19,650 36 1

    Can you post a picture of the display driver board behind the glass?

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    #5 5 years ago
    OP
     
    ALA

    Andyzola87

    Pinside member

    US Silver City, NM

    7y 48,900 362 10

    Quoted from PiLgRiM:

    Can you post a picture of the display driver board behind the glass?

    Yeah I’ll pull it and snap a pic tomorrow.

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