[ICOM] ASTRON p/s

[Lee Wical]

Al:
         That is why I went to the 30-amp, SS-30M, and what the H-ll 
I invested in the model with meters.
You only live once!
Lee
At 03:13 AM 5/20/2007, you wrote:
>I have an RS20-M here, Lee, but it isn't hefty enough.  I honestly don't
>think the internal supply that I have is particularly noisy and I'm fixing
>it (again) when I get the required semiconductors.  Living at the end of the
>world has its disadvantages!!!
>
>Hope all's well with you.
>
>73
>
>Al, VE1AL
>___________
>
>-----Original Message-----
>From: icom-bounces at mailman.qth.net [mailto:icom-bounces at mailman.qth.net] On
>Behalf Of Lee Wical
>Sent: Sunday, May 20, 2007 1:41 AM
>To: ICOM Reflector
>Cc: LEEWICAL at AOL.COM
>Subject: RE: [ICOM] IC-761 p/s
>
>FOR ME I TRIED THE ASTRON SS-30M, 30 AMP SWITCHING POWER SUPPLY AND HAVE HAD
>NO TROUBLE, NO NOISE.
>LEE
>
>At 04:31 PM 5/19/2007, you wrote:
> >Interestingly, there seems to be no other problem.  Switching supplies
> >are notoriously noisy and you're probable right that ventilation would
> >make things worse.  At best, it is a poor design, but it is what it is.
> >
> >73
> >
> >Al, VE1AL
> >_______________
> >
> >-----Original Message-----
> >From: icom-bounces at mailman.qth.net
> >[mailto:icom-bounces at mailman.qth.net] On Behalf Of mel martin
> >Sent: Saturday, May 19, 2007 11:17 PM
> >To: icom at mailman.qth.net
> >Subject: RE: [ICOM] IC-761 p/s
> >
> >I noticed the same thing when I opened a failed PS35 on my 751A. I
> >think it's because the supply is imperfectly sealed and traps moisture.
> >It would probably be better if these supplies were vented... But then
> >RF hash might be an issue.
> >
> > >Working on the p/s of my IC-761 this weekend, I was dismayed to
> > >discover a
> >fair bit of corrosion inside.  All of the screws that hold the circuit
> >boards are corroded on the tops.   They worked OK, in that there was no
> >difficulty in removing them, but I was surprised.  Is this common?
> >
> >Mel...
> >VE2DC
> >
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