On 11/23/23 16:44, Tony wrote:
I have an HP XY display without the matching external power supply and so Im planning to hook up my own. The input power connector is labelled as shown in the picture attached.
My interpretation is that the pins with an ¡°R¡± suffix means ¡°return¡±. So ¡°+250R¡± is the return for the ¡°+250 IN¡±. Likewise for the 21V .
Is that the right way to read this?
That's how I would interpret it. Can you find a schematic?
Odd, though, that there's a +15V and -15V, but no ground. Are +21R and +250R connected to each other on the board, meaning could that constitute a circuit-wide ground?
-Dave
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Dave McGuire, AK4HZ
New Kensington, PA
Dave McGuire