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Xiaomi L55L5-5ASP TV: No Image, VGL/VGH Missing Unless Panel Side Disconnected, Firmware Query

abramkyr1995 78 1
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  • #1 21579435
    abramkyr1995
    Level 7  
    Good evening everybody!

    TV XIAOMI MODEL: L55L5-5ASP.


    The TV has no image. I measured the VGL, VGH, and VIN voltages, and only VIN gives a reading. When I disconnect one side of the panel from the T-CON board (the right side which has a memory chip), and measure again, all voltages (VGL, VGH, VIN) are present and correct. The image appears on one side (the menu is displayed), while the other side shows only a plain white screen. Is it possible that the memory chip lost its data? And if so, is the firmware available?
    Top edge of a Xiaomi TV with partial screen image and styrofoam transport protection in place.
    Interior of a Xiaomi L55L5-5ASP TV with visible mainboard, power supply, and T-CON boards.
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  • #2 21579871
    art_56
    Level 16  
    On the side where you have an image it is ok, but on the opposite side where there is no image you have a shorted matrix. You can try to heal this matrix by blocking the shorted signals.
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