Question about Dell E207WFP LCD Monitor

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Dell LCD E207WFP (Switches on Briefly then goes Off)

Hi, I have a Dell LCD Monitor Model: E207WFP. Monitor switches on briefly, so i see what ever is being input for approx 1 sec then screen goes off pushing the power button will not bring screen back to life. I have to power cycle the monitor to get the screen to show breifly again.
Any help appreciated.

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  • jxnichols226 Sep 29, 2008

    I seem to have the same with a 2nd hand AMW monitor, so it shows the CMOS screen for 1 second,. then the windows loading screens for 1 second, then Windows for 1 second then if you power off then on you can view for 1 second. The monitor is running through DVI, although the replacement is a Sony running through VGA which still works fine.

  • esgrhodes Feb 07, 2009

    Frankzjm thanks for the response, how do i check if its a inverter problem.



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Two case trouble reason and need to do:
1) back light driver (inverter) works not stable and DC power protect. it near some component damage, should repair inverter by egineer.
2) back light (lamp) over life cycle so protect by the inverter, should change new lamp (regular parts)
3) DC power supply not stable or component over life( wave filter capacitor), should be replaced

Posted on Feb 07, 2009

  • Frank Zhang
    Frank Zhang Feb 10, 2009

    you may try to solve this problem by some points

    1) check your power supply 5V/12V ok (no unstable wave)

    2) check inverter capacitor (two) might be died, check inverter PWM drivers (FET chips) , and PWM chip DC voltage (12V), etc.

    3) you need make sure the lamps that could be over life cycle.

  • Frank Zhang
    Frank Zhang Feb 10, 2009

    any help for you please send a feedback thanks



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