In looking at the scan we have of the RS-50M supply it looks
pretty sick.
The one we have is dated January 2000.
If anyone has a good clean paper original and would scan
it for us I'll be happy to make a PDF of it and post it in place
of the one we have.
If you have a different date we'd like
At 08:57 PM 06/20/10, you wrote:
Thanks to all who replyed to my question on the Astron.
Mike, I did not check the box on the 404 Error, but Chuck sent me a
copy of the schematic and when I returned to the site they all opened.
Thanks for the heads up on the Astron Page, I am re-reading as I
: Re: [Repeater-Builder] Astron RS50 Power Supply
At 08:57 PM 06/20/10, you wrote:
Thanks to all who replyed to my question on the Astron.
Mike, I did not check the box on the 404 Error, but Chuck sent me a
copy of the schematic and when I returned to the site they all opened.
Thanks for the heads up
At 05:40 AM 06/21/10, you wrote:
With all the excitement I missed something. Can you explain this for me?
4) Add the compensation cap. Just remove the 723 chip from it's socket
and solder it across the back of the board, then reinstall the chip.
What is the compensation cap?
It's a
-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Astron RS50 Power Supply
Hey you still owe me 3 # bucks for sending you a Uniden key!
Hope the whole world knows know! you just blew me
off?!!! it was over a year ago at least! sent
you several emails. guess if you
Also our above mentioned power supply which operates our 2
Meter and 440 Repeaters and a low power link started humming
yesterday. A trip to the tower showed that the two large
wires coming from the Pass Transistors to the post on top of
the regulator board and into the 1000 Uf
Jeff DePolo wrote:
Everyone is entitled to make an ass out of himself now and then, but you're
abusing the privilege...
Now that's funny...
BTW: I had set the dudes posting privileges to Moderated, but Scott
decided to toss him - - Scott wins.
Onward and Upward.
Kevin Custer
Hi Guys,
I am trying to download a schematic on this site for the RS50M Power Supply and
keep getting a 404 Error on each attempt on all the supplies. Any ideas?
Also our above mentioned power supply which operates our 2 Meter and 440
Repeaters and a low power link started humming yesterday. A
@yahoogroups.com
Subject: [Repeater-Builder] Astron RS50 Power
Supply
Hi Guys,
I am trying to download a schematic on this site
for the RS50M Power Supply and keep getting a 404
Error on each attempt on all the supplies. Any
ideas?
Also our above mentioned power supply which
operates our 2 Meter and 440
...@spiceisle.com wrote:
From: Leroy A. M. Baptiste leroybapti...@spiceisle.com
Subject: RE: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater-Builder@yahoogroups.com
Date: Sunday, June 20, 2010, 2:38 PM
My guess is that it was a heat problem due to a
faulty solder joint on the pass
of bases in the day, before i got smart enough to
swap them out
Kevin- On Sun, 6/20/10, James ka2...@gmail.com wrote:
From: James ka2...@gmail.com
Subject: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater-Builder@yahoogroups.com
Date: Sunday, June 20, 2010, 2:22 PM
Hi Guys,
I am
-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Astron RS50 Power Supply
Those older? units actually have an out of phase tap on the Xfmr, 10v? or
somethin! forget what color the leads are, can check. Believe it or not I
have brought several of them back to life by just soaking
At 11:22 AM 06/20/10, you wrote:
Hi Guys,
I am trying to download a schematic on this site for the RS50M Power
Supply and keep getting a 404 Error on each attempt on all the
supplies. Any ideas?
Did you use the email link on the 404 page to tell the guys at
repeater-builder?
I just checked the
-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Astron RS50 Power
Supply
At 11:22 AM 06/20/10, you wrote:
Hi Guys,
I am trying to download a schematic on this site
for the RS50M Power
Supply and keep getting a 404 Error on each
attempt on all the
supplies. Any ideas?
Did you use the email
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:repeater-buil...@yahoogroups.com]on Behalf Of Leroy A. M.
Baptiste
Sent: Sunday, June 20, 2010 5:28 PM
To: Repeater-Builder@yahoogroups.com
Subject: RE: [Repeater-Builder] Astron RS50 Power Supply
I must have
...@yahoogroups.com] On Behalf Of Leroy A. M. Baptiste
Sent: Sunday, June 20, 2010 3:28 PM
To: Repeater-Builder@yahoogroups.com
Subject: RE: [Repeater-Builder] Astron RS50 Power Supply
I must have missed it, but what is the deal of not
connecting the negative side of an Astron Supply
to case
fot you to bring it
on, Smart A..
--- On Sun, 6/20/10, Eric Lemmon wb6...@verizon.net wrote:
From: Eric Lemmon wb6...@verizon.net
Subject: RE: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater-Builder@yahoogroups.com
Date: Sunday, June 20, 2010, 8:07 PM
Leroy,
The problem
60 cyc hum!
--- On Sun, 6/20/10, Leroy A. M. Baptiste leroybapti...@spiceisle.com wrote:
From: Leroy A. M. Baptiste leroybapti...@spiceisle.com
Subject: RE: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater-Builder@yahoogroups.com
Date: Sunday, June 20, 2010, 6:27 PM
I must have
This forum can well do without this spittle drooling moronic crap.
In a message dated 6/20/2010 5:49:23 P.M. Pacific Daylight Time,
kevinvalent...@sbcglobal.net writes:
I really have kept an eye onLemon$ He is very smart but loves to say on
just repeated specs and letting you know where
That is right!
--- On Sun, 6/20/10, cruising7...@aol.com cruising7...@aol.com wrote:
From: cruising7...@aol.com cruising7...@aol.com
Subject: Re: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater-Builder@yahoogroups.com
Date: Sunday, June 20, 2010, 8:58 PM
This forum can well do
Yeah. exactally what i said in s nutshe! Oscillation in thelinear
transformer!
--- On Sun, 6/20/10, kevin valentino kevinvalent...@sbcglobal.net wrote:
From: kevin valentino kevinvalent...@sbcglobal.net
Subject: RE: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater
Subject: Re: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater-Builder@yahoogroups.com
Date: Sunday, June 20, 2010, 6:23 PM
At 11:22 AM 06/20/10, you wrote:
Hi Guys,
I am trying to download a schematic on this site for the RS50M Power
Supply and keep getting a 404 Error on each attempt
oops, :Q
--- On Sun, 6/20/10, kevin valentino kevinvalent...@sbcglobal.net wrote:
From: kevin valentino kevinvalent...@sbcglobal.net
Subject: Re: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater-Builder@yahoogroups.com
Date: Sunday, June 20, 2010, 9:21 PM
Hey you still owe
! Wa6ilg, so impressed, no code!
wannabie!!! yes you are!!!*
--- On *Sun, 6/20/10, Mike Morris /wa6...@gmail.com/* wrote:
From: Mike Morris wa6...@gmail.com
Subject: Re: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater-Builder
/*
wrote:
From: Mike Morris wa6...@gmail.com wa6ilq%40gmail.com
Subject: Re: [Repeater-Builder] Astron RS50 Power Supply
To: Repeater-Builder@yahoogroups.comRepeater-Builder%40yahoogroups.com
Date: Sunday, June 20, 2010, 6:23 PM
At 11:22 AM 06/20/10, you wrote:
Hi Guys,
I am trying
Grazi !
In a message dated 6/20/2010 6:57:38 P.M. Pacific Daylight Time,
n3...@repeater-builder.com writes:
I've had enough of this guy. He's gone.
You're all welcome.
Scott - List Co-Owner
Scott Zimmerman wrote:
I've had enough of this guy. He's gone.
You're all welcome.
Scott - List Co-Owner
Scott Zimmerman
Amateur Radio Call N3XCC
474 Barnett Road
Boswell, PA 15531
Thank you...
Ed Yoho
W6YJ
Thanks to all who replyed to my question on the Astron.
Mike, I did not check the box on the 404 Error, but Chuck sent me a copy of the
schematic and when I returned to the site they all opened.
Thanks for the heads up on the Astron Page, I am re-reading as I don't think I
have the Cap. you
At 06:21 PM 06/20/10, you wrote:
Hey you still owe me 3 # bucks for sending you a Uniden key! Hope
the whole world knows know! you just blew me off?!!! it
was over a year ago at least! sent you several emails. guess if you
can't afford a couple bucks then you should not to try
I have a really old Astron RS50 power supply and have seen where with age
certain parts can deteriorate. Since I am currently repairing my repeater I
figured it wise to upgrade the power supply and am looking for a new regulator
board. Any one have one they might be willing to sell?
please
At 07:01 AM 06/05/10, you wrote:
I have a really old Astron RS50 power supply and have seen where
with age certain parts can deteriorate. Since I am currently
repairing my repeater I figured it wise to upgrade the power supply
and am looking for a new regulator board. Any one have one they
John,
If it ain't broke don't fix it
I have a 20 year old RM-50M that powers just about every thing in my shop.
Only one issue, about
5 years ago while running on generator power, during Hurricane Wilma, an MOV
smoked on the AC line. other than that, It's been the heat of my whole
operation
or disconnected during thunder storms. They have even been
left on during many of the thunder storms.
From: Lee Pennington localjunkpedd...@gmail.com
To: Repeater-Builder@yahoogroups.com
Sent: Sat, June 5, 2010 12:28:25 PM
Subject: Re: [Repeater-Builder] Astron RS50
though with the old
aspect of Don't fix what aint broke
Kevin
--- On Sat, 6/5/10, Ralph Mowery ku...@yahoo.com wrote:
From: Ralph Mowery ku...@yahoo.com
Subject: Re: [Repeater-Builder] Astron RS50 regulator board
To: Repeater-Builder@yahoogroups.com
Date: Saturday, June 5, 2010, 12:50 PM
Better use an isolation diode...
The linear Astron supplies I have worked on have a crowbar
on the output. If it fires, it will foldback the supply causing no problem,
but also put a dead short across the battery!! Not cool..
Royce - W3IF
The crowbar would then pop the fuse that I put at the
: Dave VanHorn [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com; Repeater-Builder@yahoogroups.com
Sent: Saturday, April 09, 2005 9:43 AM
Subject: Re: [Repeater-Builder] astron rs50
Better use an isolation diode...
The linear Astron supplies I have worked on have a crowbar
At 09:01 AM 4/9/2005, John J. Riddell wrote:
I'd agree with Royce, W3IF. I too had a power supply across my
battery bank for my
sump pump. It was a really nice Hewlett-Packard 6264B adjustable 0 -
20 volts @ 20 amps.
One day after switching off the AC, the power supply started to smoke !
can you do the battery backup mod that is found the repeater builder .com
site for the astron rs35 on the rs 50 or should one order the kit from
astron and mount in externally to the rs50
Yahoo! Groups Links
* To visit your group on the web, go to:
They didn't have the RS 50R built in option?
David wrote:
can you do the battery backup mod that is found the repeater builder .com
site for the astron rs35 on the rs 50 or should one order the kit from
astron and mount in externally to the rs50
Yahoo! Groups Links
on fusing both
positive and negative lines from the rs50 to the batteries
and again from the batteries to the load
- Original Message -
From: Ronny Julian [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, April 08, 2005 1:05 PM
Subject: Re: [Repeater-Builder] astron rs50
At 12:08 PM 4/8/2005, David wrote:
no you can buy it build it and hook up external to the rs50 it can be built
into the rm50
but I don't have the rm 50 I have the rs50 and am wondering if I should
spend the $45 for the battery backup kit or if the mod for the rs35 on the
repeater builder website
if it
is okay to do it to the rs50
- Original Message -
From: Dave VanHorn [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com; Repeater-Builder@yahoogroups.com
Sent: Friday, April 08, 2005 1:26 PM
Subject: Re: [Repeater-Builder] astron rs50
At 12:08 PM 4/8/2005, David wrote:
no you
]
To: Repeater-Builder@yahoogroups.com;
Repeater-Builder@yahoogroups.com
Sent: Friday, April 08, 2005 1:26 PM
Subject: Re: [Repeater-Builder] astron rs50
At 12:08 PM 4/8/2005, David wrote:
no you can buy it build it and hook up external
to the rs50 it can be
built
into the rm50
but I
what wattage 1k pot to parallel r4
- Original Message -
From: Joe Montierth [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, April 08, 2005 1:45 PM
Subject: Re: [Repeater-Builder] astron rs50
Yes, that will work just fine. Make sure you put in
fuses, and set
what do you consider large???
I have 3 25ah gel cells
- Original Message -
From: Joe Montierth [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com
Sent: Friday, April 08, 2005 1:45 PM
Subject: Re: [Repeater-Builder] astron rs50
Yes, that will work just fine. Make sure you put
- Original Message -
From: Dave VanHorn [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com;
Repeater-Builder@yahoogroups.com
Sent: Friday, April 08, 2005 1:26 PM
Subject: Re: [Repeater-Builder] astron rs50
At 12:08 PM 4/8/2005, David wrote:
no you can buy
- Original Message -
From: Dave VanHorn [EMAIL PROTECTED]
To: Repeater-Builder@yahoogroups.com;
Repeater-Builder@yahoogroups.com
Sent: Friday, April 08, 2005 1:26 PM
Subject: Re: [Repeater-Builder] astron rs50
At 12:08 PM 4/8/2005, David wrote:
no you can
At 09:43 AM 4/8/05, you wrote:
can you do the battery backup mod that is found the repeater builder .com
site for the astron rs35 on the rs 50 or should one order the kit from
astron and mount in externally to the rs50
Your statement above is not too clear. I read it as you want a battery
Remember to set the Astron voltage to the battery float voltage,
and the float voltage for a sealed lead acid (i.e. gell cell) is
different than that of a wet lead acid and is different than a
nickel-cadmium bank. The Astron actually has to be set to
the float voltage PLUS the voltage drop of
David,
You can avoid the cost and complexity of a battery backup mod by simply
installing a heavy-duty Shottky diode on the output of your power supply, and
raising the voltage setting slightly (about 0.3 VDC) to account for the
forward voltage drop in the diode. Nothing could be simpler!
73,
I prefer the Motorola Micor TPN1105A/TPN1106A Power Supply /
Battery Charger for the repeater site installation.
Everything needed is built in.
Neil - WA6KLA
Dave VanHorn wrote:
Remember to set the Astron voltage to the battery float voltage,
and the float voltage for a
Remember to set the Astron voltage to the battery float voltage,
and the float voltage for a sealed lead acid (i.e. gell cell) is
different than that of a wet lead acid and is different than a
nickel-cadmium bank. The Astron actually has to be set to
the float voltage PLUS the voltage drop of
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