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Thread: Super Bright Monitor Question

  1. #1
    Krauser's Henchman
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    Super Bright Monitor Question

    Recently on power up, my Astro City monitor has been super bright, nearly white. After about a minute or so, color returns to the appropriate level. It has the original monitor and it has not acted this way in the past.

    Any idea what might be up? Im hoping its not a sign of emminent and catastrophic failure.

  2. #2
    Calvin & Hobbes

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    does the screen emit a buzzing sound while you have that issue ?

  3. #3
    Krauser's Henchman
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    Quote Originally Posted by Skullz View Post
    does the screen emit a buzzing sound while you have that issue ?
    I dont think so,ink so, but next time it happens I will make sure there are no other noises in the area.

  4. #4
    Earl of Sexyheim LWK's Avatar
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    A variety of things. First off, it could be the flyback transformer with a screen setting that is just to high. Do not touch the joints of that thing, it is extremely dangerous and can kill you. It might be as simple as just adjusting your contrast and brightness pots on your board right in the control panel. I don't want to offer the advice you discharge it yourself unless you really understand how to safely do so. When I work on a monitor chassis, I have a basic idea. I discharge the monitor, *look up arcaderepairtips monitor discharge on youtube* I remove the anode cup off the crt, unscrew the chassis, pull it out. I am gonna assume your cab is running a nanao ms8-29 or ms9-29. Those aren't a nightmare to work with. I just redid two recently.. I really recommend having the unit unplugged and making sure it is, take a flash light and look under that flyback and make damn sure none of those solder joints are dry or cracked away. Then try and see if others in other sections might have that issue. It might be tough to see, but if that is the case, a reflow of that might fix your issue, and again this requires a discharge, which is very dangerous if not handled properly. If visually it all looks great, I suggest giving the cap kit idea a try in the future if it becomes something you cannot stand.
    Last edited by LWK; 01-20-2015 at 02:53 AM.

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