This motherboard serves as a multi-functional unit, integrating the power supply, LED driver, and TV board into a single chassis. Typically runs on Android 7.1 .

Powered by an ARM Cortex A53 Quad-Core CPU (1.5GHz) and a Mali-470MP2 GPU .

Features include built-in Wi-Fi and Bluetooth , RJ45 Ethernet, USB 2.0, HDMI 1.4, and support for DVB-T/T2/S2 signals. Firmware Update & Restoration

Some models require holding the power button while plugging in the AC cord to initiate the update process.

Technicians can use ISP (In-System Programming) tools to burn bootcode directly to the board if it is unresponsive to standard USB updates. Critical Safety Warning

Download all parts of the firmware archive (e.g., part01, part02, part03) and extract them together to obtain the single firmware image file (often with a .bin or .img extension). USB Formatting: Use a USB drive formatted to FAT32 . Installation via USB: Copy the firmware file to the root of the USB drive. Turn off the TV and insert the drive.

Generally equipped with 1GB RAM and 4GB or 8GB of storage .

The is a versatile three-in-one motherboard commonly found in Grunkel and Telefunken smart TVs. This board is designed for 26 to 49-inch LED backlight TFT panels and supports Full HD resolutions (1920x1080). Technical Specifications & Features