The (also identified as Hewlett Packard part number 503375-001 or 508151-001) is a 240W power supply typically used in HP Compaq desktop systems like the 6000 Pro and 8000 Elite. Schematic and Troubleshooting Insights

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The full schematic is ; instead, it’s inside the Samsung service manual for the TV model.

: Operates independently to provide +12Vsb or +5Vsb to the motherboard even when the PC is "off." Main Switching Stage

: Includes the fuse, MOV (surge protection), and line filters. PFC (Power Factor Correction) : Active PFC circuitry to improve efficiency. Standby Circuit