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A completely white screen or a "washed-out" image often indicates a failure in the voltage regulation circuit of the T-CON.
If you are troubleshooting with a multimeter, checking these standard T-CON voltages is the first step in diagnosing a faulty MDK336V-0N: Expected Voltage Symptoms if Missing No display; backlight is on VDD / Vlogic White display or digital noise VGH (VON) 20V to 30V Slow motion or ghosting images VGL (VOFF) -5V to -10V White screen or lack of contrast AVDD 15V to 17V White display or vertical color lines VCOM Negative or washed-out picture How to Find the Schematic or PDF
Video only appearing on half or a quarter of the screen.
When a T-CON MDK336V-0N fails, the symptoms are usually distinct from panel damage or power supply issues:
Note: Horizontal lines are typically a sign of a defective LCD panel rather than a bad T-CON board. Voltage Test Points for Repair
Inverted or "negative" looking colors can stem from corrupted gamma correction data on the board.
A completely white screen or a "washed-out" image often indicates a failure in the voltage regulation circuit of the T-CON.
If you are troubleshooting with a multimeter, checking these standard T-CON voltages is the first step in diagnosing a faulty MDK336V-0N: Expected Voltage Symptoms if Missing No display; backlight is on VDD / Vlogic White display or digital noise VGH (VON) 20V to 30V Slow motion or ghosting images VGL (VOFF) -5V to -10V White screen or lack of contrast AVDD 15V to 17V White display or vertical color lines VCOM Negative or washed-out picture How to Find the Schematic or PDF
Video only appearing on half or a quarter of the screen.
When a T-CON MDK336V-0N fails, the symptoms are usually distinct from panel damage or power supply issues:
Note: Horizontal lines are typically a sign of a defective LCD panel rather than a bad T-CON board. Voltage Test Points for Repair
Inverted or "negative" looking colors can stem from corrupted gamma correction data on the board.
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