LCD LED TV Panel voltages and fault finding |
Missing Voltages | Problem |
12v | White Display |
3.3v | White Display |
HVDD Voltages | White Display or Picture Problem |
AVDD/VDA/VDDA/VSOURSE 12~14V Voltages | White Display-Negetive Picture |
VGL/VOFF/VGOFF/VEEG -5V ~ -10V Voltages | White/Blue Display With Lines |
VCOM Voltages | Negetive Picture-Brigtness Dim |
DVDD /VDD/VLOGIC/VDDD 3.3V Voltages | White Display-Blinking Picture |
VGA Voltages | No Picture |
VGL/VOFF/VGOFF/VEEG -5V ~ -10V Voltages | Slow Picture |
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