Necessary for tracing voltage through the EC/KBC chip (U2701) and checking the adapter enable signal. Step-by-Step Troubleshooting with the Schematic
Detailed power rails for the CPU, PCH chipset, and peripheral components, including battery charging and power sequencing logic. WIT Computers Understanding "Patched" Schematics In the context of laptop motherboard repair, a hp probook 4430s schematic diagram patched
Standard schematics help, but they often contain . Enter the "patched" version. Necessary for tracing voltage through the EC/KBC chip