Question about Computer Monitors
My mag innovision monitor lt773s is plugged in correctly and will work for a couple of seconds then go black. i turn the monitor off and on and it continues to do the same thing. do you know what the issue could be
This problem is due to trouble in the inverter circuit which powers the lights inside the monitor. (LCD monitors require a light source so you can see the display. Your display is still there but you can't see it.) It is repairable. Usually the cause is failure of capacitors in the inverter circuit that need to be replaced. I haven't worked on this particular model so I can't give exact part numbers or values. Follow the wires that come from the backlight to the circuit board and you will see the inverter circuitry. Capacitors in that area should be checked and replaced if they are visibly swollen or have tops that have split, or if their values are out of tolerance. Although there are other possible faults, this often get the monitor going again.
Posted on Nov 21, 2008
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