Author Topic: HP54501a (Boschert MC1368a)  (Read 348 times)

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Offline AndreHTopic starter

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HP54501a (Boschert MC1368a)
« on: August 06, 2024, 12:16:37 pm »
Hi all. I have the hand drawn sketch of the Boshert MC1368a PSU used in a number of HP test gear. Does anyone know the value of R40 (the variable resistor that adjusts the 5.14V supply line) . Many thanks
 

Offline wn1fju

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Re: HP54501a (Boschert MC1368a)
« Reply #1 on: August 19, 2024, 12:09:04 pm »
See picture.

Pin 1 of line filter goes to Pin 1 of power supply plug
Pin 2 of line filter goes to Pin 4 of power supply plug
Pin 3 of line filter goes to Pin 3 of power supply plug
Pin 4 of line filter goes to Pin 2 of power supply plug
Ground pin of line filter goes to Pin 6 of power supply plug (and to chassis ground)
Pin 5 of power supply plug is unused.

Power supply plug as viewed from top of scope (pin 1 is towards to rear of scope).

 
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