Power supply test

Ranger D

New member
I am testing my power supply. All readings for 6.3v, B++1, B+1 and B+2 are perfectly within acceptable range. However, B++2 is reading -0.001. I have traced my steps and all seems to be ok.

What am I missing? What should I be looking for?

Thanks!
 
Here are a few assembled photos.
 

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