18 Dec
2017
18 Dec
'17
9:35 a.m.
On Mon, Dec 18, 2017 at 8:06 AM, Rob Jarratt via cctalk
<cctalk at classiccmp.org> wrote:
I am reverse engineering the schematic for the input
stage of my H7862 PSU.
I have come across a KBU6J bridge rectifier which seems to be connected only
to the two middle pins, which are the AC inputs. I can't see any other
connections. Before I desolder it to verify there are no connections I can't
see, does this make any sense?
I don't think it makes sense. With no connections to the other pins
(+ve and -ve DC
out I assume) then there is no DC (or AC) path through the rectifier,
whatever the input,
at least one diode is reverse-biased. Unless you are depending on the
diodes to break
down in a controlled way (and I can't believe it depends on that) then
the bridge will do
nothing.
-tony