JLM AC/DC Ver. 4 kit is a Linear based universal power supply that generates 3 voltage rails from a single or dual 15 to 30vac power transformer.
It has one pump charge rail for 48vdc, 1 +/- Rails that can be set from +/-2v to 37v by a 25turn trim pot.
New ver 4 PCB as extra screw terminals making wiring to and from the PCB easier. Also all 4 mounting bolts can be used to connect to chassis ground as well a a case screw terminal.
Also has back overlay showing the 3 most common AC/DC mods as well as terminal labels.
AC/DC KIT Build Thread here
AC/DC transformer and heatsink calculator here
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