Lae801p Rev 20 Schematic Better Info
Specific mapping for input MOSFETs (often causing 19V rail failure). 3.3V/5V Rail Analysis: Enhanced tracing for the PWM IC and coil voltages. Boardview Compatibility: Matches better with boardview software, allowing faster component location. Key Power Sequence and Common Repairs
Ensure the memory controller is active and resetting the RAM.
is a highly integrated motherboard built around Intel Core architectures (typically 6th or 7th Generation processors like the i7-7500U) paired with DDR4 memory. Depending on the specific configuration, it features either Unified Memory Architecture (UMA) integrated graphics or discrete AMD Radeon graphics. Specification Details HP Pavilion 15-BS Series, HP 250 G6 Notebook CPU Architecture Intel Skylake / Kaby Lake U-Processor Lineup RAM Configuration Dual-Channel DDR4 SO-DIMM slots (1.2V) Primary Power Rail +19.5V DC-In (+PWR_SRC) Core Architecture and Power Rail Breakdown
The LA-E801P Rev 2.0 is highly dependent on a clean, matching BIOS dump. Using a Rev 1.0 BIOS on a Rev 2.0 board can lead to abnormal fan behavior or no display at all. Troubleshooting Guide: LA-E801P Rev 2.0 No Power/No Display lae801p rev 20 schematic better
A "better" schematic is not just a wiring diagram—it includes:
LA-E801P Rev 2.0 motherboard (Compal CSL50/CSL52) is a widely used circuit board in the HP 15-BS series
To make your LAE801P Rev 20 schematic truly "better," equip yourself with the right tools: Specific mapping for input MOSFETs (often causing 19V
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
The PCH drops its sleep states ( PM_SLP_S5# , PM_SLP_S4# , and PM_SLP_S3# ).
: Check the first MOSFET; a common fault is 19V reaching the first gate but failing to output due to a short on the source side. Key Power Sequence and Common Repairs Ensure the
If you are troubleshooting a Rev 2.0 board, keep these specific component IDs and measurements in mind:
The first major decision is how to control the display. The two most common methods are static and multiplexed (dynamic) driving.