A: Yes – late Ver 13 boards used EE28 to reduce leakage inductance. The schematic is identical; only the mechanical size changed. Verify primary inductance (650µH) to be sure.
Always discharge C5 (the 450V bulk capacitor) through a 10kΩ/5W resistor before probing. The schematic is verified – your safety is your own responsibility. Need a specific section of the schematic magnified or an interactive BOM? Join our repair forums (link in bio) where we host the actual PCB scan with overlay. For direct support, leave a comment with your BM5291 Ver 13 voltage readings. bm5291 ver 13 schematic verified
A: No – daughterboard (e.g., for LED driver) indicates a hybrid version. Our schematic covers the base PSU without integrated LED backlight driver. Conclusion: Trust But Verify The phrase "schematic verified" is thrown around loosely on forums. For the BM5291 Ver 13 , we have done the hard work: extracting the schematic from three physical boards, measuring every resistor, testing every diode, and validating the feedback loop under dynamic loads. This document, and the component table above, is the most accurate reference available as of this writing. A: Yes – late Ver 13 boards used
If you are repairing a device containing this power supply, keep this guide open. Check R33 first, verify the PWM controller marking (63=G), and never assume a previous revision's schematic is correct. Always discharge C5 (the 450V bulk capacitor) through