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IBM PCjr Power Supply 1503681 Ault 394-5616 16.7VAC 56VA Model 4860 Tested
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IBM PCjr Power Supply 1503681 Ault 394-5616 16.7VAC 56VA Model 4860 Tested
Price: US $69.99

Original IBM external power supply for the IBM PCjr (Model 4860). This is the factory brick that came with the PCjr, not a modern replacement.

LABEL DETAILS
  • IBM part number 1503681
  • Made by Ault Inc., model 394-5616, Rev C, date code 8401
  • Input: 120 VAC, 60 Hz, 0.70 A
  • Output: 16.7 VAC, 56 VA
  • Label reads: "Intended for use with IBM Model No. 4860 only"
  • UL and CSA listed
TESTED
  • Plugged in and measured with a multimeter: 18.97 VAC between the two outer pins of the 3-pin output plug. That's an open-circuit (no load) reading, so a bit above the 16.7 V rating is normal for a transformer.
  • Center pin of the output plug is continuous to mains ground.
  • Not tested under load or with a PCjr (I don't have one to try it on).
WHAT'S INCLUDED
  • The power supply with its attached AC cord and attached 3-pin output cable, as shown
  • Nothing else
CONDITION

Used, with normal surface wear for its age. One of the four rubber feet is missing; the screw in that corner is visible in the photos. Please see the photos.



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