Inverted or "negative" looking colors can stem from corrupted gamma correction data on the board.
When a T-CON MDK336V-0N fails, the symptoms are usually distinct from panel damage or power supply issues: t-con mdk336v-0n pdf
For a full technical schematic, you can find various T-CON documentation and voltage guides on platforms like: YouTube·TechVibes T-Con Board Problems in Smart TV – Symptoms and Fix Guide Inverted or "negative" looking colors can stem from
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 This board serves as the "brain" of the
Note: Horizontal lines are typically a sign of a defective LCD panel rather than a bad T-CON board. Voltage Test Points for Repair
The is a critical timing control board used in various 32-inch and 37-inch LCD and LED televisions from brands like Panasonic, Sanyo, RCA, and Sansui . This board serves as the "brain" of the display, translating video signals from the main motherboard into instructions the LCD panel uses to create an image.
A completely white screen or a "washed-out" image often indicates a failure in the voltage regulation circuit of the T-CON.