KELVIN (KN55UHD-PRO) MOTHERBOARD

The VU 50‑OA motherboard is the original OEM main board for VU’s 50″ 4K Ultra HD Smart LED TV, fully tested and pre-installed with factory firmware. It drives all core functions including 3840×2160 4K video processing, 24 W Dolby-enhanced audio, and smart features powered by Android-based software. Equipped with 3 HDMI, 2 USB, RF antenna, optical audio out, headphone jack, LAN port, and built-in Wi‑Fi, this board supports rich connectivity for media and network interaction. It connects internally via LVDS to the display panel and ties into the TV’s power board, T-Con, IR receiver, and control interfaces, making it a true plug-and-play replacement for common issues like no display, dead ports, or firmware failures .

The Samsung UA50HU7000R motherboard is the OEM mainboard engineered for Samsung’s 50″ Series 7 UHD (4K) Smart LED TV (model UA50HU7000). It delivers 3840×2160 resolution with support for HDMI 2.0 (x4), USB (x3), component/composite AV, RF antenna input, and optical audio out . As the central control unit, it houses Samsung’s proprietary video engine (Quadmatic processor, Micro Dimming Pro, Clear Motion Rate ~200) for enhanced picture clarity, color accuracy, and motion handling. It interfaces seamlessly with the T‑Con board, power supply, IR sensor, and front-panel controls, while storing firmware and user interface for the Smart Hub ecosystem . Fully tested and verified by suppliers (e.g., Great Bharat Electronics), this board provides reliable plug-and-play replacement for resolving issues like no display, faulty HDMI/USB ports, or firmware boot failures.