So I've Hacked apart my old surround system, and decided to keep all the internals. One of the internal parts I was rather eager to keep was the power supply. On this power supply there is a multitude of power options, The area labeled 1 on the picture is my main area of interest. It has -27v,Gnd,+27v. The area labeled 2 has appers to have ON/OFF,5v,gnd. And the area labeled 3 has +5v,gnd,+12v,gnd,-27v,gnd,ac1,ac2. What i would like to do is change the -27, gnd, +27 into a variable output from 0-50+v, and keep the +5v,gnd,+12v,gnd, and try to turn the other -27v into a negative variable power source. I dont know what the ac1, and ac2 lines are for, or what they put out. Now into the questions. Is my current theory sound? Will i be able to convert the -27v, and the +27v for a 54v output? And if so what voltage regulator would be the best? or how can i figure out what one to use? What are the ac1, and ac2 lines for? And would i be able to use them in the final power supply? Please ask me any questions for any info i may have forgotten to include, or to help answer any of the questions that i may have asked.
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