I have a 17 inch LCD Ingram Micro Monitor. I went to turn it on and there isseems to be no power. Checked the power supply unit and that is ok, checked the power supply leads for any possible breakages they are ok.
Can you give any answer ?, One hunch I have is that it could be the inverter if so how would I get hold of one?
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Re: Dead LCD Monitor
Check if there is power voltage in the collector pin of the horizontal transistor. If there is voltage your power supply is good in the problem maybe is the high voltage section. but if there is no voltage i think your primary power supply circuit have a problem. Try to open the pin of the plyback connected to collector of horizontal B+ and open the computer . if the light indicator on the problem is maybe the plyback or the horinzontal section
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There are three possible cause why your monitor went black and start working..
1. If your monitor is dead set.. no reaction or lights turn on after power on.. then it needs to check if there is blown capacitor in its power supply section..
2. The high voltage ballast transformer of the backlight inverter is burned - it needs to be replaced so that it will not have a direct effect on the power supply section of the monitor.
3. The backlight inverters are all busted - the backlight was located at the upper and lower back edge of the monitor.. If these lights are busted then all that will be seen in your monitor is black screen.. It will need to be replaced so that image display will come out from your screen..
These 3 reason and its solutions can only be done by yourself if you have the knowledge, proper skills and the right tools to open the back cover of the monitor and replace the problem parts....
Otherwise, bring your monitor to a credible technician and if there is warranty,, avail of this...
If your getting no lights at all and no activity then that means the power board is bad. If the power light is turning on but no video then that means the screen is bad and you would be better buying a new lcd then replacing the old one cause it can get expensive.