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A wire going to one of the LED backlights chafed through and grounded to the inside of the case. I replaced the light with one from a unit that had water damage. I also replaced the inverter with a new one. The screen is working but is very dark. With an external light on the screen you can the self test and all comes up o.k. I don't know how to test the backlights.

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  • jdsmart12 Jul 17, 2009

    There doesn't seem to be any power going into the inverter.



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Test first to make sure there is voltage going to the backlight. Use a voltmeter and let me know what you find. It could be burnt out or its inverter is bad.


Posted on Jul 17, 2009

  • Benjamin Patri
    Benjamin Patri Jul 17, 2009

    Then basically, you need to follow the wires from it back to the power supply. Not so simple but somewhere you are losing that voltage and I can't really be too much more help on this part. You are on your own for finding the break in the power supply to it whatever the problem may be.Once you find the problem, hopefully it will be a quick rewiring job.



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