Bdl51 La-d711p Rev 3.0 Schematic May 2026

1. Overview The BDL51 LA-D711P Rev 3.0 is a system-on-chip (SoC) based laptop motherboard schematic designed by Compal for Dell (often found in the Inspiron 15 3000 or Vostro 3000 series). This document provides a technical breakdown of the power delivery, chipset architecture, and key test points for troubleshooting and repair. 2. Board Information | Specification | Details | |---------------|---------| | Board Model | LA-D711P | | Revision | 3.0 | | Form Factor | LGA1151 / Mobile | | CPU Support | Intel Whiskey Lake / Comet Lake-U (typically i3-8145U, i5-8265U) | | PCH | Intel Integrated (Low Power Encore) | | Memory | 2x DDR4 SODIMM slots | | Graphics | UHD Graphics 620 (iGPU) | 3. Power On Sequence (Key Rails) Understanding the power sequence is critical for no-power debugging.