Lae801p Rev 20 Schematic Better __full__ Jun 2026

LA-E801P Rev 2.0 motherboard (Compal CSL50/CSL52) is a widely used circuit board in the HP 15-BS series

Intel Core i3 / i5 / i7 (6th Gen Skylake-U & 7th Gen Kaby Lake-U 15W) DDR4 SO-DIMM Slots Graphics Options Integrated Intel HD Graphics / Optional Discrete GPU Primary Rails +19V (VIN), +3.3V_ALW, +5V_ALW, +1.0V_VALW, +1.2V_VCCST Storage Interfaces SATA (HDD/SSD) & M.2 NVMe/SATA SSD Slot 2. Deciphering the LA-E801P Rev 2.0 Power Sequence

Search for LA-E801P Rev 2.0 schematic PDF on reliable electronics repair forums like Badcaps or Telegram schematic groups. lae801p rev 20 schematic better

Locate the PWM controller responsible for +3VALW and +5VALW . Ensure the IC is receiving its main input voltage ( VIN ) and outputting its internal linear regulator voltages ( +3VLP / +5VLP ).

Online forums report that with older socket designs, provided the input/output capacitor types are updated. LA-E801P Rev 2

[19V DC Jack Input] ──> [First Input MOSFET (PQA1)] ──> [Current Sensing Resistor] │ ┌─────────────────────┴─────────────────────┐ ▼ ▼ [3.3V/5V Standby IC] [Charging IC] │ │ [+3VALW / +5VALW] [Battery Charging] │ ▼ [Embedded Controller (EC)] │ (Power Button Pressed / SLP Signals) │ ▼ [System Rails: DDR4 / CPU] Step 1: Trace the 19V Primary Rail (VIN)

HDMI, USB 3.0, RJ45 (LAN), and eDP connector for the display. 3. Common Repair Points & Issues Ensure the IC is receiving its main input

Dedicated repair communities are often the best resource for obtaining free, high-quality schematics.

Usually an ISL or BQ series controller managing the USB-C Power Delivery.

The (also known as the Compal CSL50/CSL52) is the hardware backbone for millions of mid-range laptops worldwide, most notably the highly popular HP 15-BS series . When a laptop like this suffers from a sudden power failure, a black screen, or a failure to post, a high-quality schematic diagram becomes the most important tool on a technician’s workbench.