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Need to find the standby line on a power supply for a motorola dcx3400 cable box to run an original Xbox? Answered

I had purchased the box from a resale shop to use for parts. It occurred to me that I could use the PSU to power my blown xbox. Both are manufactured by Delta. So I used my multimeter (first time using one) to get a pin out of the psu at the connector. 16 pins from top to bottom as shown.

I know i rounded off these values and I can go back and use the slight variations in readings to find "rails."(?)My issue is as far as I can tell, all of the pins are powered when the psu is plugged in, and I cannot tell which is the standby if there is one. What test can I do to find it? And if there is no standby, can I safely use this to power an xbox?

thanks for your time,

-sk8er6

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sk8er6

3 years ago

Good question. Since the PSU on my xbox is shot and the dvd drive is faulty, I was planning on re-casing the xbox inside the motorola box, and obviously there is a perfect spot to use the original motorola psu. And yes it was an extreme pain to get info, and to even open this box (google gamebit screws) But I am tight for cash and a fan of upcycling so I'm giving it a shot. I have a spare ATX supply which is BARELY too big :/ And the mini PSU's cost more than a pre-owned xbox, which I'm not excited about either.

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Downunder35m

3 years ago

AFAIK te Xbox uses a tiny ATX power supply, so why not just use one from an old computer and be done with it?
At least for them you won't have problems finding schematics or infos.