Typically 1GB RAM and 8GB Flash storage (EMMC).
After replacing the motherboard, the image might be upside down (Mirror Mode) or have garbled colors. Black Screen: No display despite the backlight being on. How to Download and Install Firmware Tp.mt5522.pc821 Firmware
Firmware for this board is usually distributed as a compressed file containing an allupgrade or .bin file. TP.MT5522.PC821 4K TV Motherboard Instruction Manual Typically 1GB RAM and 8GB Flash storage (EMMC)
You may need the if your TV experiences: Tp.mt5522.pc821 Firmware
Supports various panels, including the HV430QUB-N1A (43-inch). When to Update Firmware