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Proscan LED tv model # PLDEDE3992A Blue sceen only

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    Proscan LED tv model # PLDEDE3992A Blue sceen only

    When turned on the screen displays multi color lines on the left side of screen then quickly fades to dark blue screen.
    Now, turns brighter blue screen with Dialogue box "no signal".
    Now, only dark blue screen.
    No sound or response from other control buttons on side of panel.
    There appears to be small droplets of oily residual substance on chassis panel between power and circuit boards.
    No scorch spots or areas of discoloration visible on boards, wiring or components .
    Used a known good X Box console to obtain video source. No reception displayed.
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