: High-density 6-layer PCB with industrial-grade thermal management. Firmware Installation Guide (USB Method)

: If the original remote doesn't work after an update, a universal remote may be needed to navigate the service menu and correct the settings.

The is a specialized 4K three-in-one smart TV motherboard commonly used in 43 to 55-inch LED TVs, including brands like Sanyo and Thomson. This board is designed for 3840x2160 resolution displays and integrates the display driver, network interface, and control logic into a single unit. CV638H-B50 Board Specifications Resolution Support : Ultra HD 4K (3840x2160).

: Typically runs on Android (e.g., Android 4.4.4 version observed in some builds).

Use a small USB stick (2GB–8GB is ideal) formatted to .

Once complete, the TV may automatically restart or show a success message. Do not power off the TV during this process to avoid bricking the motherboard. Troubleshooting Common Issues