Lad711p Rev 10 Schematic Top (2027)
The Dell Latitude 3480 and 3580 models are built on the Wistron Tiger-S (LAD711P) motherboard. For technicians and hobbyists, the "Rev 1.0" schematic is the roadmap required to navigate hardware failures, power sequencing issues, and component-level diagnostics.
Located near the DC-in jack on the top side. If these short, the laptop will not draw any current from the adapter.
Revision 1.0 boards sometimes suffer from corrupted ME (Management Engine) regions, leading to 30-second delay boots or fan-spin-but-no-display issues. Diagnostic Steps Using the Schematic lad711p rev 10 schematic top
To effectively use the LAD711P Rev 1.0 schematic, follow this diagnostic flow:
By combining the LAD711P Rev 1.0 schematic with a multimeter and oscilloscope, you move from "parts swapping" to precision engineering, significantly increasing the success rate of Dell Latitude repairs. The Dell Latitude 3480 and 3580 models are
The high-current rail supplying the Intel Kaby Lake or Sky Lake processor. Common Failure Points on the LAD711P Rev 10
Often an ISL88739. If the laptop runs on battery but won't charge, or vice versa, this is the primary component to inspect. If these short, the laptop will not draw
The main system rail (19V or battery voltage) that feeds all other regulators.