The part number "32AP11S4LV1.1" could be broken down as follows, though the exact meaning can vary by manufacturer:

Instead of searching for the board's schematic as a whole, a different approach is to search for the datasheets of its major individual components. You can often piece together a large portion of the circuit's functionality by understanding how these ICs are meant to interface.

Main input voltage from the TV motherboard. Protected by a surface-mount fuse (F1).

High-level gate-turn-on voltage that switches the panel's TFT transistors on.