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Compaq TFT LCD monitor.

Discussion in 'Electronic Repair' started by Dani, Feb 14, 2006.

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  1. Dani

    Dani Guest

    7020...M # CM 870: Turn it on, the "Compaq logo" appears just for a
    moment, then black screen. Place a light onto the front of the screen,
    you can see all. Took it apart, all looked ok, soldered a few bad
    connections, back together...the same. I didn't get into the
    screen/lamps themselves, just the drive circuitry, & internal power
    supply. Is there common backlight problems on this unit? Thanks.
  2. James Sweet

    James Sweet Guest

    The backlight tubes or inverter are a common failure point of any type
    of LCD monitor. Replacement tubes aren't very expensive, but do wire
    them to the inverter and test run before you take the effort to install
    them in the screen.
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