F4901 1.1a 24v Schematic -

) send a signal from the 24V output back to the primary-side PWM controller. If the voltage drops below 24V, the PWM controller increases the "on" time of the switch to bring it back up. Likely Component Identification If you are looking at a physical board:

, this specific string of specifications is highly characteristic of a switching power supply module internal power adapter f4901 1.1a 24v schematic

Use a multimeter to test the component labeled F4901. A blown fuse will show no continuity. Identify the Load: ) send a signal from the 24V output

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