Here’s why: after searching thoroughly through available technical documentation, product databases, and general web indexes, there is matching exactly tp.mt5522.pc821 .
The is a specialized, "three-in-one" universal Android smart TV motherboard designed to support 4K Ultra HD (UHD) displays. It is frequently used by technicians as a replacement part for mid-range smart TVs from brands like Hisense and Skyworth, or as an upgrade for older LCD panels to add smart functionality. Technical Specifications tp.mt5522.pc821
2 x USB ports (supporting multimedia playback and firmware updates). VGA (PC-RGB) and AV input. Earphone and Coaxial audio outputs. Panel Interface : 30-pin LVDS. Common Usage and general web indexes