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Dell 2007Fpb - Analog pb

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    Dell 2007Fpb - Analog pb

    hello,
    i try to repair a Dell 20'' 2007Fpb

    At the beginning, the monitor green led blink.
    After searching, i found and change :
    - 3 caps 220uF/25V ont the inverter board
    - 1 caps 220uF/25 ont the USB board
    - 1 caps 180uF/450V on the main powerboard
    - 2 caps 100uF/25V on the logic board

    Now the montor start and i can view the autotest on the screen but there is an another problem :
    - VGA : grey screen if signal is applied
    - RCA composite signal : not detected
    - DVI : OK

    No problem with the OSD and menu function. No problem with light and contrast.
    If y try the pip function when a vga signal is applied, on the two box on the screen, the left box (vga) is pink.
    it seem that all analogic signal applied on this monitor is KO but i can't explain why DVI is ok (so numeric signal)

    GPU is FLI5961H-LF

    Anyone have an idea of the problem ? GPU is dead ?

    Thank you
    Emmanuel
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