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Camcorder LCD backlight problem, help!

Discussion in 'Electronic Repair' started by Alex Knappenberger, Jul 15, 2003.

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  1. Hey guys, I own a crapalicous low end Panasonic DV52, and a little
    while ago the LCD started to go out (it would go on and off, depending
    on where it is rotated to, if it was in the standard position, it
    would usually be on, and then if you turned it up or down it would go
    off) and it got worse over a period of 2 days, and then it finally
    just stopped working totally, and the other day I noticed that you can
    still see a faint image on it when put under a light, so then I
    figured it's not the LCD, but the backlight, correct?

    Now, from what I know, the LCD backlights have a long running life
    ,right? So i've came to the conclusion that it's the "flex circuit"
    where the backlight connects to the camcorder...thats what it has to
    be, what else could it be? I put the fact that the camcorder is
    cheaply made (ecspecially the lcd portion) and its behavior together,
    and got that, sounds reasonable doesn't it? :D

    Are these things not fun to take apart? I started taking one screw
    out, but I decided not to continue because I didn't know what I was
    getting into.

    Oh yeah, it's still under warranty (parts only) and I don't want to
    send it in to Panasonic because 1. It will cost $100 for Labor (and
    thats not worth it, it's only a $350 camera). and 2. I hear it can
    take upto 4 months for them to get the stuff back to you, atleast I
    know they are very slow.

    Thanks for any advice/tips/help in advance.
  2. Ian Stirling

    Ian Stirling Guest

    Sounds likely.
    Flex PCB connectors seem to be very easy to get the design wrong
    so that they fracture after some cycles.
    The fracture will often be visible if you flex the connector by
    being slightly more bendy.
    There are various ways to repair:
    Obtain a new connector, and replace.

    Shave the top layer from the cable, with a very sharp knife, solder
    a fine wire.

    Solder wires to the ends of the connector.
    Obtain a digital camera, or camcorder, to record in detail
    the dissasembly.
    Take several bits of cardboard, draw diagrams and as you remove the
    screws place each screw in its place in the diagram.

    Axes, hammers, ... are contraindicated, force nothing.

    If you get stuck, post.

    Use screwdrivers that fit.
  3. Thanks a lot for the advice, man!

    I might try to take it apart tonight, i'm itching to and I won't be
    able to sleep, heh...but i'll probably get so far and just wait for my
    uncle to help out...
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