If the computer is totally dead, the standby circuit is the first place to look.
| Specification | Value / Detail | | ---------------------- | ------------------------------------------------------------------------------ | | | 240 W | | Input Voltage | 100 - 240 V AC, 50 - 60 Hz | | Output Current | +12 V DC @ 16 A | | Efficiency | Typically >80% at nominal load (non-80 PLUS rated) | | Form Factor | HP Proprietary SFF | | Cooling | Single 40mm or 60mm fan (active) | | Compatible Systems | HP Elite 6000, 6005, 8000, 8100, 8200, 8300 SFF; HP Pro 4000, 6000, 6200 SFF; HP Z200, Z210, Z220 SFF Workstations [17†L21-L22][21†L23-L31] | ps42419ha schematic work
To help finalize your design, what are your target , output voltage , and maximum current load ? Let me know, and I can calculate the exact inductor value and feedback resistor sizes for your circuit. If the computer is totally dead, the standby
The HP PS-4241-9HA is a widely used 240-watt, 80 PLUS certified power supply unit (PSU) found in many older HP ProLiant servers and desktop models, dating back to 2009. While these units are known for their efficiency, they are not immune to failure, particularly after years of operation. Understanding the is essential for technicians and DIY enthusiasts looking to repair rather than replace these units. The HP PS-4241-9HA is a widely used 240-watt,
The schematic work begins at the AC receptacle, where raw utility power introduces electrical noise and line surges.
Disclaimer: Repairing power supplies involves high voltage and should only be undertaken by qualified individuals. If you'd like, I can: Provide for this board. Show you where to find the full PDF schematic . Explain how to test the MOSFETs with a multimeter. Let me know how you'd like to continue with your repair . HP Inc Ps42419ha 9244 | PDF | Power Supply - Scribd
When performing , repair technicians often encounter the same failures. 1. No Power / Unit Dead