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Thread: LG 32LX2D backlight issues

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    Default LG 32LX2D backlight issues

    Hi all,
    Regarding LG 32LX2D, I know it's old but so am I!!!
    TV turns on and has sound, backlight flashes briefly and then fails. If retried a few times it always comes on.
    I've fully recapped power supply. Is the backlight supplied from power supply or is there a separate inverter board board. Obviously I'm working without a circuit diagram.

    regards,
    Glenn



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    is there a separate inverter board board
    Might be the 'Light & IR' board...didn't bother tracing the schematic ; you'll sort it with a schematic? ->

    edit: nah, I had a quick look...seems like the backlight inverter is built into the panel
    Last edited by wotnot; 11-03-22 at 08:55 PM.

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    IC904 (dual mosfet) is controlled power to display ; as noted actual voltage depends on panel used -- the power lines marked VLCD power the panel (including backlight inverter) ---- the control line 'INV_BRI' will be inverter brightness (at a guess), and seeing as this is the LVDS connector to the panel, one presumes the backlight driver is part of the panel assembly
    Last edited by wotnot; 13-03-22 at 12:11 AM.

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    did you end up fixing it?

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