Power supply troubleshooting JEULIN 1732-2

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maher4712

Joined Sep 2, 2020
7
Hello everyone,
I sharing the stabilized power supply schema JEULIN 1732-2 that I realized with the SPLAN 7 software to make it easier for me to understand and it helps me at its troubleshooting,
But remains a question why the negative output of the auxiliary rectifier (BR2-1) is connected to the positive output of the main rectifier (BR1-10A).
And thank you in advance
 

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