HP EliteBook 820 G3 6050A2725001-MB-A01 Schematics & Boardview

HP EliteBook 820 G3 6050A2725001-MB-A01 schematics, boardview, bitmap, and PCB layout files are available for laptop repair technicians working on board-level diagnostics, power rail tracing, and component-level fault finding. These files provide the reference data needed to follow the power-on sequence, locate failed components, and verify voltages against the designed values.

HP EliteBook 820 G3 6050A2725001-MB-A01 Hardware Solutions

HP EliteBook 820 G3 6050A2725001-MB-A01 No Power and Dead Board Solution

this device completely dead, no power light, and no standby voltage diagnosis.

HP EliteBook 820 G3 6050A2725001-MB-A01 DC Jack and Charging Port Solution

this device DC jack replacement, adapter detection, and charging port faults.

HP EliteBook 820 G3 6050A2725001-MB-A01 Charging IC and Battery Solution

this device battery not charging, charging IC faults, and battery detection circuits.

HP EliteBook 820 G3 6050A2725001-MB-A01 Power Sequence Solution

this device S5 to S3 to S0 power-on sequence, enable signals, and power good lines.

HP EliteBook 820 G3 6050A2725001-MB-A01 EC Embedded Controller Solution

this device EC chip faults, EC firmware, and power button signal tracing.

HP EliteBook 820 G3 6050A2725001-MB-A01 CPU Core Voltage and VRM Solution

this device VCCIN rail, CPU VRM circuit, and core voltage not generating.

HP EliteBook 820 G3 6050A2725001-MB-A01 RAM and DDR Voltage Solution

this device no boot with RAM installed, DDR VTT and VREF rails, and slot repair.

HP EliteBook 820 G3 6050A2725001-MB-A01 PCH and Chipset Solution

this device PCH faults, chipset reballing, and platform clock issues.

HP EliteBook 820 G3 6050A2725001-MB-A01 LCD Display and eDP Solution

this device no display, eDP and LVDS signal tracing, and panel connector faults.

HP EliteBook 820 G3 6050A2725001-MB-A01 LCD Backlight Solution

this device dim screen, backlight driver circuit, and LED boost converter repair.

HP EliteBook 820 G3 6050A2725001-MB-A01 Graphics and GPU Solution

this device GPU faults, dedicated graphics power rails, and external monitor output.

HP EliteBook 820 G3 6050A2725001-MB-A01 Keyboard and Touchpad Solution

this device keyboard not working, touchpad faults, and FPC connector repair.

HP EliteBook 820 G3 6050A2725001-MB-A01 USB and Type-C Port Solution

this device USB ports not detecting, Type-C circuit, and port power faults.

HP EliteBook 820 G3 6050A2725001-MB-A01 Audio Codec and Speaker Solution

this device no sound, audio codec faults, and speaker amplifier circuits.

HP EliteBook 820 G3 6050A2725001-MB-A01 WiFi Bluetooth and M.2 Solution

this device wireless card not detected, M.2 slot power, and antenna circuits.

HP EliteBook 820 G3 6050A2725001-MB-A01 LAN and Ethernet Solution

this device Ethernet port not working, LAN controller, and magnetics faults.

HP EliteBook 820 G3 6050A2725001-MB-A01 SSD NVMe and SATA Solution

this device drive not detected, NVMe and SATA slot power rails, and data lines.

HP EliteBook 820 G3 6050A2725001-MB-A01 Fan and Thermal Shutdown Solution

this device fan not spinning, thermal sensor faults, and overheating shutdown.

HP EliteBook 820 G3 6050A2725001-MB-A01 RTC and CMOS Battery Solution

this device time reset, RTC circuit, and CMOS battery voltage faults.

HP EliteBook 820 G3 6050A2725001-MB-A01 Webcam and Card Reader Solution

this device webcam not detected and SD card reader circuit repair.

HP EliteBook 820 G3 6050A2725001-MB-A01 Component Names and Test Points

Identify this device motherboard components, reference designators, and test points.

Motherboard Diagram and Circuit Information

The motherboard features a dual-phase voltage regulator module (VRM) generating VCCIN, with the embedded controller (EC) releasing the power-good chain. The board brings up the 3V and 5V always-on rails in a specific sequence, with S5 power sequencing releasing the main power rails. The EC also drives the DDR VTT/VREF signals.

Schematics File

The laptop schematics provide a detailed reference for laptop repair technicians to plan and diagnose repairs. Technicians can follow the power-on sequence from the adapter to the CPU, trace always-on rails, enable lines, and power-good signals to identify failed components or verify voltage levels.

• Follow the power-on sequence from the adapter to the CPU
• Trace always-on rails, enable lines, and power-good signals
• Identify the component behind a shorted or missing rail
• Check EC, PCH, and clock connections against the design
• Plan component-level repairs using pinout and net data

Boardview and Bitmap

The boardview and PCB layout files provide a visual representation of the motherboard's physical layout, allowing technicians to quickly locate a specific component or trace a net to every pad it touches. This information can be used to cross-reference the schematic with the physical layout and ensure accurate repairs.

• Find any component by reference designator in seconds
• See which side of the board a part sits on
• Trace a net to every pad it touches
• Cross-reference the schematic with the physical layout

Common Faults on This Board

Common faults on this board include no power, no display, not charging, and dead after liquid damage. These faults often require board-level diagnostics and repair planning to identify the root cause and correct the issue.

Why These Files Matter

Accurate repair data, including schematics, boardview, and bitmap files, is essential for laptop repair technicians to diagnose and repair faults efficiently. With these files, technicians can avoid guesswork replacements, shorten diagnosis times, and improve repair success rates.

HP EliteBook 820 G3 6050A2725001-MB-A01