This section is a "Boost Converter" that steps up the 12V rail to the voltage required by the LED strips (typically 35V to 80V depending on the panel).
It uses the TSUMV56RBET or similar V56 series chip, designed for digital signal processing, de-interlacing, and managing input signals.
: Websites specializing in datasheets like Alldatasheet, Datasheet4U, or others might have it. tpv56pb801 schematic diagram pdf
If you can tell me the (e.g., dead, backlight flickering, stuck on logo), I can help you narrow down which part of the schematic to focus on . Also,g., for the 1118 regulator) Share public link
The main processor cannot run on 12V. The schematic will show several buck regulators: Powers the IR receiver and memory. 3.3V: Powers the Flash IC (BIOS). 1.2V / 1.8V: Core voltages for the TSUMV56 CPU. 4. The LVDS Interface This section is a "Boost Converter" that steps
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Focus on the "Backlight Enable" (BL_ON) signal coming from the CPU to the LED driver IC. 6. Technical Specifications Summary Main Chipset TSUMV56RUU-Z1 Panel Interface LVDS (Single/Dual 6/8 bit) Max Resolution 1920 x 1080 Input Ports HDMI, VGA, USB (Multimedia), AV, RF Backlight Power 45W Max (Adjustable) Flash Memory 4MB (W25Q32) Finding the PDF If you can tell me the (e
: When you find a schematic, ensure it's for the correct device and version. Using an incorrect schematic can lead to device damage or safety hazards.
Regulates voltage for the logic board (usually 12V and 5V) and the backlight circuit.
A small Class-D amplifier IC that powers the internal TV speakers.