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. LA-D711P No Display | Laptop Repairing Full Course
On some Compal AMD platforms, the main +3V and +5V switching power rails do not fully scale up until after the power button is pressed, depending on whether the ENE EC chip successfully translates the power button signal ( ON/OFF# ) to the processor.
[DC-In Jack] ──> [First/Second MOSFETs] ──> [Current Sense Resistor] ──> [3V/5V Regulator] lad711p rev 10 schematic top
: If you observe standard memory voltages but 0V on the +APU_CORE or +VGX_CORE rails, the CPU buck controller is either not receiving its enablement signal ( PWM_EN ) from the Super I/O, or an internal silicon failure within the AMD APU is keeping the power rail grounded. 3. Bios Corruptions and Firmware Flashing
There are no public records of a "Rev 10" for this board; most references point to and Rev 1.0 . However, board manufacturers use obscure revision numbers. It is highly probable that "Rev 10" is a misinterpretation of other markings or a specific component part number. If you are certain of a "Rev 10" marking on your board, it is recommended to document it for future reference. This public link is valid for 7 days
Details on the 8MB BIOS chip (often identified as 25B64) used for system firmware. Technical Specifications
The (commonly known by its platform name BDL51 ) is a widely distributed OEM laptop circuit board manufactured primarily for the popular HP 15-BA, 15-AY, and 15-BA000 series notebook computers. When a laptop built on this architecture suffers a critical hardware failure—such as failing to turn on, showing a black screen, or getting stuck in a boot loop—technicians and micro-soldering engineers rely strictly on the LA-D711P Rev 1.0 schematic to trace power rails, isolate short circuits, and identify failing logic gates. Can’t copy the link right now
boards, a weak soldered RAM connection or a failed MOSFET in this area causes this issue. 5. Finding the LA-D711P Rev 10 Schematic and Boardview
This comprehensive technical guide serves as an essential reference for micro-electronics engineers, repair technicians, and DIY hardware enthusiasts looking to diagnose, trace, and repair failures across the LA-D711P hardware platform. Technical Specifications: LA-D711P Core Architecture
: Most versions of this board support DDR3L memory, though some updated documentation for similar models suggests dual-channel DDR4 support up to 32GB in later revisions.
If you are looking for specific, in-depth technical details on the board, in a specific power rail. Flash the BIOS to fix a no-boot issue. I can provide more detailed information on those steps. Share public link