Skip to content

D10240p1a Schematic Work 〈OFFICIAL〉

To ensure accurate and efficient work with the D10240P1A schematic diagram, follow these best practices:

The is a proprietary 240W power supply unit (PSU) manufactured for HP Small Form Factor (SFF) desktop computers, such as the HP Elite 8000, 8100, and 8200 series. Because it is a proprietary component, a complete, official schematic is not publicly released by HP. Understanding the D10-240P1A Schematic Workings

Blown main fuses usually indicate a catastrophic failure in the primary switching MOSFETs or bridge rectifier. Standby Voltage: A common repair involves checking the +5VSB (Standby)

+12Vmain ⎓ 16A, +12Vcpu ⎓ 16A (Combined limit of 240W) Standby Rail: +12Vsb ⎓ 1.3A d10240p1a schematic work

Proprietary HP small form factor (SFF) design. It does not use a standard ATX connector, instead utilizing a 6-pin main power connector and a 4-pin CPU connector.

: The circuit utilizes an Active PFC stage consisting of a boost inductor, an ultra-fast diode, a power MOSFET, and a dedicated control integrated circuit (IC).

Right at pin 4, the schematic shows a capacitor feeding back to a high-side driver. This is a dead giveaway that we are dealing with a . If your D10240P1A isn't switching, don't just check the main VCC; check that bootstrap cap. If it's leaky, the gate drive voltage collapses. To ensure accurate and efficient work with the

Often Green or Grey (depending on sub-revision) Conclusion D10-240P1A

: The backlight boost inductor and the PMIC chip can get hot. Ensure your layout derived from the schematic includes ample copper pours and thermal vias connected to the ground plane.

The backlight requires a much higher voltage than the logic circuit. The schematic will feature a step-up (boost) converter configuration consisting of: A driver IC (e.g., a PWM-controlled boost controller). An inductor (typically 4.7µH to 22µH) to store energy. A switching MOSFET and a Schottky diode. Standby Voltage: A common repair involves checking the

For electronics professionals and advanced hobbyists, the pinout table and troubleshooting guide in this article provide the foundation for all D10-240P1A schematic work. When working with this power supply, always begin by verifying the on the purple wire, then check the PS_ON# (green) and PWR_OK (gray) signals to fully understand its power state.

To work effectively with the D10240P1A schematic diagram, it is essential to understand its key components, including:

The HP D10-240P1A Go to product viewer dialog for this item.

2. Primary Rectification and Active Power Factor Correction (PFC)

When performing "schematic work" on this unit, technicians often look for common failure points: