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Mitsubishi nxm56lcd monitor

Powers up and is black or very dark screen. It says when trying to adjust (1 D-SUB OUT OF RANGE) can you help. I cannot see the screen without holding flashlight up to it. Thank You.

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I've heard several solutions. The capacitors and/or transistors are bad.

Change 2SC5707 transistors and the electrolytic caps in the inverter section. Also check the 3A picofuse and resolder all transformer pins.

Hope that helps

Posted on Oct 07, 2008

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Not sure what the D-sub out of range means.. but if you have to hold a flash light to the screen to see the images it would seem that either your inverter board or backlight lamp is bad.
I would try the inverter board first.. there are numerous places on the web that sell these things.. Just google it..

Posted on Sep 08, 2008

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