Lac781p Schematic Top
The "LAC781P" is almost certainly a variant of the or specifically a 78xx-type regulator with a unique prefix. The "LAC" prefix suggests a specific manufacturer’s coding (possibly a Chinese or Asian semiconductor brand, or an older OEM code). The "P" typically denotes plastic package (TO-220) as opposed to "M" for metal can or "D" for surface mount.
For further reading, search for "L7812CV datasheet" and "linear power supply design tutorial." lac781p schematic top
Technical documents for the Compal ABL51 LA-C781P are available on platforms like Laptop-Schematics and OlderGeeks . The "LAC781P" is almost certainly a variant of
If you are looking for the schematic to repair a module: lac781p schematic top