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Old 03-07-2016, 09:27 AM
bmstone bmstone is offline
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Default Command 8 PSU Pinout

Looking for the three pin wiring pinout for the command 8 power supply. Yep... I need to build one. Thanks
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Old 03-17-2016, 06:02 PM
bmstone bmstone is offline
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Default Re: Command 8 PSU Pinout

Well. Despite my best efforts, I never could get an answer. However, I did figure it out on my own. I purchased a 50VA toroidal transformer with dual primary and secondary windings. After reading reactor's post about using a similar winding with the secondaries wired in parallel I decided to duplicate the vague reference. Building the transformer was the easy part. Not being able to verify the voltage to pin requirement was the challenge. Without any additional references, I decided to disassemble the motherboard for clues and bingo! I discovered two slow-blow fuses on two legs (12Vac each) and a circuit trace acting as the neutral. I didn't want to risk burning anything out so I isolated one of the windings, to prevent the 24Vac differential, and powered both circuits from a single winding. Voila! The C/8 powered up without any problem and has been operating very well. Hope this helps somebody...
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Old 03-17-2016, 06:14 PM
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YYR123 YYR123 is offline
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Default Command 8 PSU Pinout

Just saw this sorry....

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