Searching for the specific motherboard model ZL782-MB-V2.0 indicates it is typically a universal LED TV mainboard

The ZL782-MB-V2.0 is an integrated television controller board. It handles power management, signal processing (HDMI, VGA, AV), and the output to the LED panel via LVDS cables. Board Type : Universal / Replacement Mainboard for LED TVs. Resolution Support : Varies by firmware (commonly 1366x768 or 1920x1080). Key Components

There are two primary methods to install or "flash" the firmware onto this board: Method A: USB Upgrade (Standard) Format a USB Drive

: Once the blinking stops or the TV reboots, remove the USB. Method B: SPI Programmer (For "Bricked" Boards)

: Plug in the power. The standby light (LED) should start blinking rapidly, indicating the update is in progress. Do not disconnect power.