I am interested if Tom isn't. I would like one of the Icom supplies for my
706. Gerry WB6IVF
----- Original Message -----
From: "Pat Byrne" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Saturday, June 02, 2012 12:58 PM
Subject: Re: Could it be time to replace My old trusty Astron RS35 Power
Supply?
> Tom,
> It occurs to me that I have an almost never used Icom switching
> supply which I am not using. I have used it and it works just fine
> with the average 100 watt transceiver. As i recall it is rather
> small and has a very uiet fan. And I have not heardd any switching
> noise from it anywhere I have tuned.
> Perhaps a choice for a camper, freeing up an Astron for the roomier shack.
> If you're interested, what do you have to trade? I'm guessing in the
> $75 range. And by the way it has the plug which mates to the
> standard Kenwood power plug as well as many of the Ecom units, on the
> end of a thirty inch or so power cord and uses a standard computer
> power plug for its 110 volt input.
> If this doesn't work for you, no big deal.
> Pat ByrneAt 12:23 PM 6/2/2012, you wrote:
>> Yup, I'm thinking about that very idea, Pat!
>>
>>Tom Behler: KB8TYJ
>>
>>----- Original Message -----
>>From: "Pat Byrne" <[log in to unmask]>
>>To: <[log in to unmask]>
>>Sent: Saturday, June 02, 2012 1:21 PM
>>Subject: Re: Could it be time to replace My old trusty Astron RS35 Power
>>Supply?
>>
>>
>> > In the same vein Tom, we stopped at our oldest sons this morning and
>> > he was under his 2002 Ford Taurus replacing a rear spring. He is not
>> > a mechanic by trade but is very competent, perhaps more so than a lot
>> > of people you pay professionally but he is so tired of fixing old
>> > cars!! He has a 2002, his wife a 20005 Ford full sized van and three
>> > of their kids early 2000 Tauruses and Focuses!! We were kidding him
>> > about getting out the checkbook and replacing all of them!! Wwith
>> > one just out of college, one just beginning college and two more in
>> > iigh school, that ain't going to happen!, but the point is that you
>> > can fix things on and on and they are still old and break!! Cut John
>> > a good deal and help out Astron's bottom line and make it simple on
>> > yourself!!
>> > Pat, K9JAU At 09:41 PM 6/1/2012, you wrote:
>> >> Thanks, Colin.
>> >>
>> >>I'm not too handy with soldering components and the like, so I may have
>> >>to
>> >>go the purchasing route.
>> >>
>> >>Perhaps if someone wants to use this one as a back-up, as John
>> >>suggested
>> >>earlier, I could make a deal and sell it at a nicely discounted price.
>> >>The
>> >>supply is over 14 years old, and has been used rather hard, so the fact
>> >>that
>> >>caps, a regulator, or something may be starting to fail is not totally
>> >>surprising to me.
>> >>
>> >>Again, I'll think on this for a few days.
>> >>
>> >>Keep those thoughts and ideas coming!
>> >>
>> >>73 from Tom Behler; kB8TYJ
>> >>
>> >>----- Original Message -----
>> >>From: "colin McDonald" <[log in to unmask]>
>> >>To: <[log in to unmask]>
>> >>Sent: Friday, June 01, 2012 10:21 PM
>> >>Subject: Re: Could it be time to replace My old trusty Astron RS35
>> >>Power
>> >>Supply?
>> >>
>> >>
>> >> > could be, probably the caps, but it also sounds allot like a
>> >> > regulator
>> >> > failing.
>> >> > if the voltage is wandering all over the place like that, then the
>> >> > regulator
>> >> > isn't doing it's job, and that isn't just some caps.
>> >> > I can see maybe a few volts of fluctuation when a load is put on the
>> >> > supply
>> >> > if the caps were going...but he said down to 2 or 3 volts? that's a
>> >> > regulator.
>> >> > Probably a pretty cheap fix if you want to go that route Tom...maybe
>> >> > trickier to fix yourself if your not used to soldering etc...but the
>> >> > regulator components are pretty simple.
>> >> >
>> >> > 73
>> >> > Colin, V A6BKX
>> >> > ----- Original Message -----
>> >> > From: "John Miller" <[log in to unmask]>
>> >> > To: <[log in to unmask]>
>> >> > Sent: Friday, June 01, 2012 8:15 PM
>> >> > Subject: Re: Could it be time to replace My old trusty Astron RS35
>> >> > Power
>> >> > Supply?
>> >> >
>> >> >
>> >> >> It's probably the capacitors going in it, that happens after a
>> >> >> while
>> >> >> and
>> >> >> they're easy to replace only held to the board with a couple
>> >> >> screws.
>> >> >> Parts
>> >> >> can still be gotten. I know a few who've had that problem. If you
>> >> >> decide
>> >> >> to
>> >> >> get a new one, probably another of the same thing is your best bet
>> >> >> or
>> >> >> going
>> >> >> up on the amperage though I used to run all that and then some off
>> >> >> mine
>> >> >> and
>> >> >> it never complained. If you get to the point you just don't want to
>> >> >> deal
>> >> >> with it and do want to buy something else, Let me know, if my front
>> >> >> steps
>> >> >> don't cost too much I'll buy it off you and fix it up for a backup.
>> >> >> ----- Original Message -----
>> >> >> From: "Tom Behler" <[log in to unmask]>
>> >> >> To: <[log in to unmask]>
>> >> >> Sent: Friday, June 01, 2012 9:54 PM
>> >> >> Subject: Could it be time to replace My old trusty Astron RS35
>> >> >> Power
>> >> >> Supply?
>> >> >>
>> >> >>
>> >> >>> Hi, folks.
>> >> >>>
>> >> >>> I know we have had similar discussions on the list before, but
>> >> >>> tonight I
>> >> >>> feel I have discovered something that may be of interest to
>> >> >>> others.
>> >> >>>
>> >> >>> Basically, over the past few days, I have found that even when
>> >> >>> transmitting
>> >> >>> on the resonant frequency of an antenna with a 1.0 to 1 SWR, my
>> >> >>> TS590
>> >> >>> seems
>> >> >>> to fold back to an output power of approximately 50 watts. These
>> >> >>> power
>> >> >>> readings have been obtained from both the meter on the TS590, and
>> >> >>> my
>> >> >>> TW1
>> >> >>> talking watt meter.
>> >> >>>
>> >> >>> I thoroughly checked all coax and DC power connections, but
>> >> >>> everything
>> >> >>> seemed ok.
>> >> >>>
>> >> >>> I measured the power supply's voltage first with no load, and it
>> >> >>> was
>> >> >>> 13.35
>> >> >>> volts consistently. However, when I transmitted in RTTY mode with
>> >> >>> 100
>> >> >>> watts, thereby putting a full load into the circuit, the DC
>> >> >>> voltage
>> >> >>> readings
>> >> >>> started fluctuating all over the place. They ranged from a high
>> >> >>> of
>> >> >>> 10
>> >> >>> volts, to as low as 2 or 3 volts. Then, on a whim, I connected
>> >> >>> the
>> >> >>> Kenwood
>> >> >>> PS53 power supply that I got with the Kenwood 570 I purchased from
>> >> >>> the
>> >> >>> estate sale in our area, and the output power readings were a very
>> >> >>> solid
>> >> >>> 100
>> >> >>> watts, even when the rig was keyed down continuously for several
>> >> >>> minutes.
>> >> >>>
>> >> >>> I know there is a way to adjust the voltage in the RS35, but with
>> >> >>> the
>> >> >>> foldback of the ts590, and the fluctuations in voltage readings,
>> >> >>> I'm
>> >> >>> now
>> >> >>> getting a bit nervous about using the RS35 as my main supply.
>> >> >>>
>> >> >>> Does anyone have any thoughts or similar experiences to report?
>> >> >>>
>> >> >>> If I do need to be in the market for a new power supply, I have
>> >> >>> several
>> >> >>> requirements:
>> >> >>>
>> >> >>> 1. I'd like it to be a linear supply
>> >> >>>
>> >> >>> 2. I'd like it to be something that could deliver at least 40
>> >> >>> amps
>> >> >>> continuously through my rigrunner, because I sometimes run the
>> >> >>> TS590,
>> >> >>> my
>> >> >>> TMV71A, and my TMV7A packet set-up simultaneously.
>> >> >>>
>> >> >>> If anyone has specific suggestions regarding a supply that I might
>> >> >>> wish
>> >> >>> to
>> >> >>> consider, please let me know.
>> >> >>>
>> >> >>> 73 from Tom Behler: KB8TYJ
>> >> >
>> >
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