These must be present even when the laptop is off but plugged in. 3.3V power for the Super IO (EC) and BIOS chip. 5V standby for USB and other peripherals.
Finding the "new" or latest revision of the schematic usually requires access to specialized technician databases or forums. lah103p schematic new
The (also known as the Compal FL5C5/FL535/FL435) is the motherboard for the Lenovo IdeaPad S340-14IIL and S340-15IIL series laptops . Motherboard & Schematic Overview These must be present even when the laptop
If you have determined the chip is dead, you might be tempted to look for a modern equivalent. This is difficult because the LAH103P has a specific pin configuration tailored for the board it sits on. Finding the "new" or latest revision of the
Therefore, a standalone PDF for the LAH103P does not exist. You need the manual for the parent device .