The primary internal project code name assigned by the Original Design Manufacturer (ODM)—often Wistron or Quanta—who engineered the board for HP.
Finding the PDF schematic for this board typically involves searching specialized technician databases:
The schematic represents a specific, high-performance motherboard architecture typically found in premium laptop or workstation series (often associated with high-end Acer or OEM-equivalent gaming and professional builds).
Often based on the AMD Beema or Kabini APU platform, integrated directly into the board. Key Integrated Circuits (ICs):
Repairing a modern laptop motherboard without a schematic is like navigating a dense, unfamiliar city without a map. A schematic isn't just a diagram; it's a logic map that details the electrical blueprint of your board. It grants you visibility to track power flow, verify signal paths, and understand how every critical IC and component is connected. osamu2-dis-kb-hpc mv-mb-v1 schematic
Always verify the power sequencing and high-speed differential pair matching before sending this design to fabrication. A single mismatched impedance on the display link can turn a $2,000 HPC board into a paperweight with a dark screen.
Designed as a "DIS" (Discrete) board, meaning it features dedicated graphics hardware, though some technicians perform "DIS to UMA" (Discrete to Unified Memory Architecture) conversions to bypass failing GPU chips. Schematic and Repair Details
You can find more detailed documentation and repair community discussions at:
Since this is (pre-production), the schematic likely contains "Not Fitted" (NF) components and "Design Notes." Look for these typical v1 compromises: The primary internal project code name assigned by
Thermal monitoring via dedicated thermal alert pins ( THRM_ALERT_HW# ).
Probe the SPI Flash ROM (U12/similar) PIN 1, 2, and 5 via an oscilloscope to confirm if data packets are moving during startup. Cracked BGA solder joints underneath AMD Processor/GPU
Features a complex DC-to-DC conversion system to step down 19.5V adapter power to sub-1V CPU/GPU core voltages.
(Accelerated Processing Unit) soldered directly to the board. Key Components : Often identified as on the board layout. Power Management Key Integrated Circuits (ICs): Repairing a modern laptop
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. Osamu2 CR HPC MV_MB_V1 Schematic | PDF - Scribd
Usually a (TI) or ISL-series (Intersil) chip. It acts as the traffic controller between the AC adapter and the internal battery, managing the "Power Path" (switching from battery to wall power). 3. BIOS / EC Firmware
The "OSAMU2" platform is typically built around with integrated or discrete graphics. The designation MV-MB-V1 indicates the specific revision of the PCB, which is crucial for technicians because small changes in resistors or VRM (Voltage Regulator Module) chips can happen between versions. Critical Power Rails
What are the ? (No power, no display, or won't charge?) Have you taken any voltage measurements on the main coils?
You can access the technical documents and circuit diagrams through the following resources: Technical Archives : A detailed circuit diagram for the OSAMU2 CR HPC MV_MB_V1 is hosted on Repair Communities