: These are always-on voltages. Check the standby power IC if these are missing.
The is a high-performance motherboard designed for gaming laptops. Because it handles significant power for both a dedicated GPU (usually NVIDIA GTX or RTX series) and a high-wattage Intel CPU, it is prone to specific failure points like shorted MOSFETs or blown power phases. Key Technical Specs usually found in this schematic: Platform: Intel Coffee Lake/Comet Lake-H.
Locate the and the dual input isolation MOSFETs on your Compal LA-G851P BoardView or Schematic .
The (also designated as the Compal EDB10 mainboard ) is the foundational technical blueprint required for diagnosing and repairing the Dell Chromebook 3100 Go to product viewer dialog for this item. la-g851p schematic
Powers the DDR4 memory modules and the CPU memory controller.
These machines utilize Intel 8th Generation processors (Kaby Lake R) and are known for their robust build quality. However, they are prone to specific hardware failures where the schematic becomes indispensable.
The laptop turns on, keyboard backlight lights up, fans spin, but there is no display. : These are always-on voltages
. Finding a direct, free schematic download can be difficult as these documents are often proprietary and restricted to authorized technicians. 1. Where to Find Schematics and Boardviews
Measure the resistance on the CPU core voltage inductors. Note that Intel Gemini Lake processors natively exhibit low internal resistance (often under ), which should not be mistaken for a dead short.
Always-on voltage rails required to power the Super I/O chip and initiate the boot cycle. Because it handles significant power for both a
The schematic lists resistors as "0603" or "0402". However, the LA-G851P uses many "01005" size components (barely visible). Use the Boardview's "Zoom to 400%" function to verify physically.
The schematic identifies two N-channel MOSFETs acting as input gates.
Once the EC registers a power button event, it switches on the transition signals ( EC_ON , ALW_PWRGD ). This enables the system-level voltage regulators:
Comprehensive Guide to the LA-G851P Schematic: Dell Chromebook 3100 (Compal EDB10)
: Intel Celeron processors (Gemini Lake architecture) and specialized power management ICs for ChromeOS devices. Where to Find Schematics & Boardviews
