HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 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 NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 Hardware Solutions

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 No Power and Dead Board Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 DC Jack and Charging Port Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 Charging IC and Battery Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 Power Sequence Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 EC Embedded Controller Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 CPU Core Voltage and VRM Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 RAM and DDR Voltage Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 PCH and Chipset Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 LCD Display and eDP Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 LCD Backlight Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 Graphics and GPU Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 Keyboard and Touchpad Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 USB and Type-C Port Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 Audio Codec and Speaker Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 WiFi Bluetooth and M.2 Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 LAN and Ethernet Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 SSD NVMe and SATA Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 Fan and Thermal Shutdown Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 RTC and CMOS Battery Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 Webcam and Card Reader Solution

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

HP NoteBook 15-da3001tu Compal LA-J951P GPI52 Rev 0.1 Component Names and Test Points

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

Motherboard Diagram and Circuit Information

The motherboard's power distribution is designed to bring up the 3V and 5V always-on rails in a specific sequence, with the EC releasing the power-good chain once the VCCIN rail is stable. The VRM generates the VCCIN rail, which is then used to power the CPU and other components. The motherboard also features a VTT/VREF rail for DDR memory and a separate DDR power rail.

Schematics File

The schematics file provides a detailed diagram of the motherboard's components and connections, allowing technicians to plan repairs and diagnose issues. By following the power-on sequence from the adapter to the CPU, technicians can identify the component behind a shorted or missing rail and plan component-level repairs using pinout and net data.

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 components and trace nets. With these files, technicians can find any component by reference designator in seconds, see which side of the board a part sits on, and trace a net to every pad it touches.

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

This board is commonly brought to a repair bench due to issues such as no power, no display, not charging, or being dead after liquid damage. These faults often require board-level diagnostics and repair planning to identify and fix the root cause of the problem.

Why These Files Matter

The availability of these files is crucial for laptop repair technicians, as they provide accurate repair data that can shorten diagnosis time, prevent guesswork replacements, and improve repair success rates. With these files, technicians can quickly identify the root cause of a problem and plan effective repairs, reducing downtime and improving customer satisfaction.