La-e801p Rev 2.0 Schematic Online

Repair logs from forums like Badcaps.net, Vlab, and DIY-LaptopRepair reveal specific weak points on this motherboard:

Missing always-on voltages; the charging indicator light is completely off.

I can guide you on which specific power rails to check first. Share public link

LA-E801P Rev 2.0 (also known by the Compal project names ) is a motherboard schematic used primarily in HP 15-BS series laptops and some Dell Latitude 3580 la-e801p rev 2.0 schematic

The LA-E801P Rev 2.0 schematic is likely used in various industries, including:

[19V DC-In Adapter] ──> [+19V_VIN] ──> [+3VALW / +5VALW Buck Converter] │ ┌────────────────────────────────────────┴────────────────────────────────────────┐ ▼ (S5 State) ▼ (S3 State) [+3V_EC / Power Button Active] ──> [EC Triggers PM_PWRBTN# to SoC] ──> [SoC Releases SLP Signals] ──> [+1.2V DDR4 VRAM Rail] │ ▼ (S0 Full Power State) [+1.0V PCH] ──> [+VCC_CORE] ──> [+VCC_GT] The Primary Voltage Rails

It seems you're looking for the schematic for the LA-E801P Rev 2.0 motherboard. Repair logs from forums like Badcaps

: Features the ISL9237 or ISL95521 buck-boost battery charger, allowing charging via USB Type-C (Power Delivery). Voltage Rails : +3VLP / +5VLP : Always-on low power rails. +1.0V_VCCST : Standby voltage for the CPU. +CPU_CORE : Dynamic power delivery for the processor.

The LA-E801P Rev 2.0 Go to product viewer dialog for this item.

: A common failure point identified in community repairs is the PQA1 chip (a dual transistor like the PE642DT), which can cause low resistance and prevent the board from powering on. : Features the ISL9237 or ISL95521 buck-boost battery

Alex hit the power button. The fan spun a lazy circle, then roared to life. On the screen, the Dell logo flickered into existence. The LA-E801P was no longer a brick; it was a computer again.

Check the enable signals ( EN or EN_MSTR ) sent from the main logic circuit to switch on the high-efficiency switching side of the chip. Step 3: Verify the EC Wakeup Conditions

No. While many manufacturers use Compal-made boards, each brand's schematic is proprietary. A Dell LA-D801P board is completely different from an HP LA-E801P board. Using the wrong schematic will lead you to incorrect diagnostic conclusions. Always ensure the schematic matches the specific motherboard model and revision for the laptop you are repairing.

The (commonly marked as CSL50/CSL52) is the hardware backbone for millions of mid-range laptops globally. Most notably, it powers the highly popular HP 15-BS series notebooks . For component-level repair technicians and hardware enthusiasts, navigating the LA-E801P Rev 2.0 schematic is mandatory to diagnose complex, multi-layered faults like power-on failures, missing display signals, and dead charging circuits.