Frequently uses the G5616B (PUM1) or similar to manage DDR4 memory. Typically a MEC1322-NU Go to product viewer dialog for this item. or similar, responsible for power sequencing. Charging IC: Usually a Go to product viewer dialog for this item. Go to product viewer dialog for this item. , responsible for the 19V19 cap V power rail and battery charging. BIOS/UEFI: 8-pin SPI flash chip ( U49cap U 49 U36cap U 36 depending on the sub-revision). Common Troubleshooting Steps with Schematic
Always-on rails that should be present as soon as the battery or charger is connected. la-e801p rev 2.0 schematic
Verify that the IC receives its main power supply hookup ( VIN ) at its dedicated pin. Frequently uses the G5616B (PUM1) or similar to
Badcaps.net is a primary source for community-driven repair scenarios, including finding specific component model numbers (like G5616B). Charging IC: Usually a Go to product viewer