I should have said when the cover was on. My mistake.

Tracy



--------------------------------------------

On Fri, 7/13/18, conor.strachan@... [chromapolaris] <chromapolaris@yahoogroups.com> wrote:

Subject: Re: [chromapolaris] RE: Polaris Later version Secondary board
To: chromapolaris@yahoogroups.com
Date: Friday, July 13, 2018, 9:46 AM


 









Hi there
Well
I've got it all out on a bench so no membrane tail
contact..
What happens
is it powers on is responsive like normal for 5 seconds then
it starts going a bit crazy doing random things then it just
freezes. If I turn it off and back on straight away it is
still frozen but if you leave it for a minute you can repeat
the whole thing again until it freezes. There is some nasty
crackling happening on the output like some electricity
bacon sizzling on a pan..
I have the later secondary power
board so it is a bit difficult as the service manual is
really written for the first board.
I am getting 4.80v on the DCOK when
frozen.. but right away it is 4.76v with responsiveness
before freeze.
Digi +5
it is hard to get it to load up with the Lower function D 3
but when I can all lights are lit and I am getting +4.83V
(now in the manual it says to adjust R9 but there is no R9
to adjust on the secondary board>?? I need to get this up
to 5v?)
Ref +5v - this
is at +4.98v
AC OK -
4.69v (measuring this from P3 4 yellow wire to the ground in
middle of main board.)
On the -12v I am getting
-12.30VOn the +12v I am getting
+12.08V
If anyone has
any suggestions let me know. I don't have a scope at
hand just a multimeter..
Cheers
Conor









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