refers to the Power Supply Board (also known as the DC Board or Power Card) specifically designed for the HP LaserJet M1005 MFP Printer Parts Point RM2-8525 Power Supply Specifications
A glaring omission in the previous version was the missing phase notation on the coupled inductor. The new schematic includes on the primary and secondary windings. If you are building a replacement circuit, ensure pin 2 (primary start) and pin 5 (secondary start) share the same polarity to avoid catastrophic core saturation. rm28525 schematic diagram updated
If your RM28525 is a DC-DC converter, the updated schematic reveals a change from the outdated LM2596 to the buck converter IC. Key nodes: refers to the Power Supply Board (also known
The output side uses a TL431 programmable shunt and an optocoupler (PC817). rm28525 schematic diagram updated