Sorry, the oracle is out of the office today - I'm the janitor. :)
I see you've already replaced the 24V supply and powered the unit up. I
would have removed all output connections on the supplies and tested
them seperately. Are you sure about that transformer short? Remember
that primaries on decent size line transformers only have something ike
2 to 4 ohms resistance at most. I wondered why yours was 12 lbs
heavier than mine. Linear supplies - that would do it!
The expanded/exploded capacitors could be just from age, or they could
be from an output fault on the power supply that caused the voltage to
go high. That's why I would have tested both power supplies offline.
You said it's alive, but you haven't mentioned if it actually works.
By the way, it turns out that I paid dearly for my good luck with the
repair of my 2077. In the two weeks following that, I got a pinched
nerve in my back that's still giving me trouble, I broke a big chunk off
a tooth and am now scheduled for a crown at a cost of about $1000, and
my big-screen TV died! :(
Ed
On 9/9/2013 1:01 AM, Mark C. Stephens wrote:
Nod, this is the problem I have, It says 110/220 but is it automatic or do I
need to change the strapping?
I had a look at Ed Palmers excellent tear down and there were switch mode PSU
in it.
But he has a 2077, mines a 2070 so it could be completely different, or not..
Arrgh.. I am so wanting to plug it in, unlike Ed I have a place ready for it!
I guess Oracle Palmer will be online later and will be able to provide an
answer :)
-----Original Message-----
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf
Of Bob Stewart
Sent: Monday, 9 September 2013 2:22 PM
To: Bob Stewart; Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Wavecrest DTS 2070
Oops. Maybe I should have just kept my peace. I found a User's Guide here:
"http://qmsi.com/pics/Wavecrest2070.a.pdf"; which indicates it can take either
110 or 220. Pry open the fuse compartment and see what's in there. Someone else will
now probably post the right way to go about it, though. =)
Bob - AE6RV
________________________________
From: Bob Stewart <b...@evoria.net>
To: Discussion of precise time and frequency measurement
<time-nuts@febo.com>
Sent: Sunday, September 8, 2013 11:13 PM
Subject: Re: [time-nuts] Wavecrest DTS 2070
Go to a tourist supply store and buy a 110 to 230/250 transformer. I did that
the year I spent in France for a TV or something we took over there. Be sure
you get one that's big enough. Be sure you don't wire it backwards and get 250
to 500!!!
Bob - AE6RV
________________________________
From: Mark C. Stephens <ma...@non-stop.com.au>
To: "time-nuts@febo.com" <time-nuts@febo.com>
Sent: Sunday, September 8, 2013 11:05 PM
Subject: [time-nuts] Wavecrest DTS 2070
I just received my DTS 2070 from 110 volt land.
I live in 230 (well actually 250) volt land.
I haven't plugged it in and I am being a total wuss about breaking the CAL
seals as they are still current.
Please help me, I really, really need to measure something with it! Anything
with it! But to do that I need to apply power!
Is the DTS 2070 PSU auto sensing or do I need to change something?
--marki
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