Question about Northgate MONNG7NSS 17" Flat Panel LCD Monitor

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Northgate vt7v71 monitor power led will come on when i turn it on ,but get nothing on the screen . was wondering if there is a repair manual out for this monitor. have already plugged monitor into different computers so i know the monitor is the problem.

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  • bab1965 Jan 08, 2010

    i checked for 12vdc at the inverter ,i do have that .
    i do have a couple caps that are startin to leak (brown goo on top)but they are in the power supply and i have 12vdc and 5vdc out of it so they are still working.
    i have tried to find another inverter online to no avail,any ideas where i might find 1?
    inverter is a 4143019500b, only 1 ive found online is at invertercentral.com but the picture they show doesnt look anything like mine ,any suggestions ?

    i have also found the specs for the inverter online athttp://www.simonit.com.tw/download/skd%2...

  • bab1965 Jan 12, 2010

    replaced the 3 leaky caps ,now monitor is working fine

    ty

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You have to open uo the set and check for 12vdc feeding the backlight inverter circuits, if you do have 12vdc then the inverter circuits may be bad, also look for bad caps. see example of a couple years old failed monitors: http://s807.photobucket.com/home/budm/allalbums

Posted on Jan 08, 2010

Testimonial: "steared me in the right direction ,ty"

  • Bud Martin
    Bud Martin Jan 08, 2010

    You still need to replace the caps with stuff leaking out, you may read 12vdc but the meter will not show AC ripple riding on the 12vdc, you need the scope to see that ripple. As far as the inverter board is concerned, there should be one surface mounted fuse, check to see if they are blown, they will be labeled with Fxx. Pictures will help.

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Posted on Jan 02, 2017

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