Question about BenQ T903 19" LCD Monitor

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I am getting no singal - BenQ T903 19" LCD Monitor

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Please try it on another PC first, if it still does not work, then you will have to open it up if you are going to DIY repair (Please note that BenQ makes monitors for Dell and HP, so look at the Dell and HP albums)

Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
http://www.badcaps.net
http://en.wikipedia.org/wiki/Capacitor_plague

Posted on Apr 29, 2010

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