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E3631 Power mesh and control?

Question asked by calvin0908 on Jun 13, 2010
Latest reply on Jun 29, 2010 by soonchei

I have bought a power supply of E3631A,when I reading theory operation of power mesh and control in service manual document, it says there are two error amplifiers to do voltage/current control, but in schematics, like 6V/5A power mesh control circuits, the 6VOUT+ output terminal is connected to signal ground in schematic, and 6VOUT- terminal is connected to Rectifier(-) pin, the voltage between this two terminals should be (6VOUT+)-(6VOUT-)=0-Votage(rectifier-),it is should be always a same voltage no matter how much 6V CV REF setting is?

Is there any one can explain how the output voltage controlled?

Thanks and best regards