Jdm-040 Schematic -

Trace routes are tighter, meaning broken vias or water damage require precise micro-soldering to jump traces. Power Management Circuitry (PMIC)

Ensure you do not accidentally use a JDS-011 or JDS-030 sub-board during repairs. While they may physically fit some shells, the pin configuration differs and can short out the JDM-040 PMIC. jdm-040 schematic

Using the motherboard's layout as a guide, they carefully disconnected the battery and touchpad to avoid tearing the delicate ribbon cables. Trace routes are tighter, meaning broken vias or