HP LA2205WG weird image

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  • rmps
    Senior Member
    • Oct 2009
    • 82
    #1

    HP LA2205WG weird image

    Hi guys,
    I have a problem with this monitor and i need your help.
    Is this a bad power supply, bad mainboard or bad panel?
    The panel is a LG LM220WE1.
    If the monitor is powered off for 2 or 3 days, upon connecting, image appears without any issue for a few seconds only.

    My measurements so far:
    VGL: -5.362V
    VGH: 33.12V
    VGH_L: 33.12
    VDD: 12.70V
    VCOMC: 5.535
    GVDD_E: 33V oscillating with -5.3V
    GVDD_O: Same as GVDD_E
    VIN: 5.112V
    SCL/SDA: 3.3V

    Thanks in advance
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