16 Jun
2014
16 Jun
'14
7:06 p.m.
On Mon, 16 Jun 2014, John H. Reinhardt wrote:
On 6/16/2014 5:00 PM, Cory Smelosky wrote:
The problem appears to actually be in the circuitry and nothing as simple
as that, unfortunately. :(
I have managed to track down 2 transistors (seemingly NOT a part of the
H-bridge) that don't test as I would expect them to, however. That's a
starting point.
Can you give me a picture of that? I'm
having difficulty visualising it
in my head for some reason...all the wires confuse me a bit...but when I
know what's what I'm good.
Cory, Have you seen this?
<http://www.retrocmp.com/tools/pdp11gui/memory/37-decnet/61-reparing-a-h7140-power-supply>
John H. Reinhardt
--
Cory Smelosky
http://gewt.net Personal stuff
http://gimme-sympathy.org Projects