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Thread: 2 lines not working for LCD

  1. #1
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    Jul 2000
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    Post 2 lines not working for LCD

    Hello all,
    I am having a problem with my LCD (from AZDisplays.com). When I turn it on , only two lines lite up (with ajustements to the contrast), I don't know if this is a problem with the wiring, or with the LCD itself.
    I don't htink that this is a problem with the wiring, because this is the seconde LCD that I've used this wiring on and because I redid the wiring twice.
    The LCD has an EL backlight if that has anything to do with it.
    BEN

  2. #2
    Maximum Bitrate smashr2k's Avatar
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    Post

    Well, I have the same problem. My LCD worked, and then suddenly died when I put it into it's case. Grr... In any case, if it is showing black bars on lines 1 and 3, that is the standard test pattern. You might want to make sure you are using the proper parrallel port mode. (EPP, i think.)
    Car: 1999 Dark Green Mustang GT Coupe
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  3. #3
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    Post

    That's exactly what it's doing. I'll try that. The only thing is that it worked before, and I haven't changed any of the settings.
    BEN

  4. #4
    Maximum Bitrate smashr2k's Avatar
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    I know! Mine worked fine, and now it suddenly refuses to show nething. I think i am just gonna forget about it till i get back from vacation.
    Car: 1999 Dark Green Mustang GT Coupe
    Audio: Alpine HU, JL 6ch Amp, JL Stealthbox and XR series components.
    Player: Empeg for now; something custom later.
    www.neotechpc.com - Custom built laptops!

  5. #5
    Newbie
    Join Date
    Aug 2000
    Posts
    3

    Lightbulb

    I had that problem few days ago.
    I programmed my own LCD driver and I just doubled the lines of initialization sequence.

    NOw it works.

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