Schematic: La-d711p
. Key Specifications & Architecture Board Model: BDL51 LA-D711P. CPU: AMD A-Series (e.g., A6-7310). GPU: Discrete AMD Radeon R5 M430 (2 GB) or UMA (Integrated). EC/KBC: KB9022Q. Charger IC: BQ25A (BQ24725A). nbzip.ru +2 Power Rails & Always-On Voltages Diagnostic write-ups for this board highlight several critical power rails that must be present for the system to boot: YouTube +2 Voltage Rail Description Expected State +19V / B+ Main Adapter Input Always Present +3VLP Linear low-power rail for EC Always Present +3VALW 3.3V Always-on power rail S5 State (Plugged in) +5VALW 5.0V Always-on power rail S5 State (Plugged in) +1.8VALW 1.8V Always-on rail S5 State +1.0VALW 1.0V Always-on rail S5 State VCC_CORE CPU Core Voltage (~0.8V) S0 State (Powered on) +1.2V DDR4 RAM Main Voltage S0 State Common Repair Issues 10 sites BDL51 LA-D711P Rev. 3.0 (HP 15-ba505ur) • Notebook1 форум Feb 12, 2022 —
Rev 2.3 – Removed R7124 per customer request. TP1567 remains for debug. - H.L. la-d711p schematic
Because these are proprietary Compal documents, they are usually found on specialized repair forums rather than official HP support sites. HP 15-BA018WM _MOTHERBOARD BDL51 LA-D711P REV 1.0 GPU: Discrete AMD Radeon R5 M430 (2 GB) or UMA (Integrated)
Since the full schematic is not public, technicians usually rely on: but with raw
The laptop’s fan spun to life. The screen flickered—not with a BIOS logo, but with raw, pixelated text. A single line:
If you are diagnosing the board without the schematic, look for these standard voltage rails: