Ps42419ha Schematic Top

frequently utilizes the popular (or an equivalent TinySwitch) integrated circuit for its 5V standby rail.

Fast-switching transistors mounted to the primary aluminum heatsink that chop the high-voltage DC into high-frequency pulses.

A large, circular toroidal coil used in tandem with the PFC MOSFET and controller to boost power efficiency to over 88%. ps42419ha schematic top

Custom HP Slim/SFF dimensions (approx. 148mm x 128mm x 94mm). Top-Down Board Layout Schematic (Component Blocks) When you remove the top metal cover of the PS-4241-9HA

Technicians often encounter specific component failures in this model rather than replacing the whole unit: Custom HP Slim/SFF dimensions (approx

specifically for their Small Form Factor (SFF) desktop series. While a full component-level schematic is rarely released to the public, the technical specifications and identification details for this part are well-documented. Core Specifications Manufacturer HP (Hewlett Packard) Model Number : PS-4241-9HA Part Numbers : 503376-001, 508152-001 Form Factor : Custom SFF (Small Form Factor) Maximum Power Output : 240 Watts Efficiency

At first glance, it was a jungle of polygons: silkscreened outlines of transformers, heat sinks like blocky monuments, and a labyrinth of copper traces. But Elara knew how to read these ruins. While a full component-level schematic is rarely released

| Pin # | Symbol | Function | |-------|--------|-----------| | 1 | P | Positive DC bus input | | 2 | VB1 | High-side floating supply for U-phase | | 3 | VS1 | Floating ground reference for U-phase | | 4 | VB2 | High-side floating supply for V-phase | | 5 | VS2 | Floating ground reference for V-phase | | 6 | VB3 | High-side floating supply for W-phase | | 7 | VS3 | Floating ground reference for W-phase | | 8 | VCC | Low-side logic supply (15V typical) | | 9 | GND | Control ground | | 10 | HIN1 | PWM input for high-side U | | 11 | LIN2 | PWM input for low-side V | | 12 | HIN3 | PWM input for high-side W | | 13 | N | Negative DC bus (power ground) | | 14 | U | Output phase U (motor connection) | | 15 | V | Output phase V | | 16 | W | Output phase W | | 17 | FO | Fault output (active low) | | 18~24 | CIN, VTH | Current sense & temperature sense |

is a frequently utilized 240-watt power supply unit (PSU) designed primarily for HP Pavilion slimline and small form factor (SFF) desktop computers. Known for its reliability in compact systems, this unit often becomes the focus of repair efforts when these machines fail to turn on or experience stability issues.

The is a highly efficient, 240-watt proprietary Switch-Mode Power Supply (SMPS) manufactured by Hewlett-Packard for its popular Small Form Factor (SFF) commercial desktops. It features an impressive 89% to 90.51% energy efficiency rating , meeting 80 PLUS Gold standards . Understanding the PS-4241-9HA schematic top architecture is critical for bench technicians, engineers, and DIYers troubleshooting system failures or adapting this robust power supply for alternative electronic applications. Core Technical Specifications

For further exploration, refer to the and relevant HP service manuals for the specific desktop model you are working on. Always prioritize safety when handling internal PSU components, and consider using an adapter board if replacing the original PSU with a standard ATX unit.