[Hammarlund] Hammarlund Digest, Vol 151, Issue 1
george frost
kf9wv at att.net
Tue Feb 7 15:27:30 EST 2017
Roy,I think I have them,let me look... George
Sent from my iPad
> On Feb 6, 2017, at 7:40 PM, hammarlund-request at mailman.qth.net wrote:
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> Today's Topics:
>
> 1. Re: SP-600-25C (Todd, KA1KAQ)
> 2. SP-600 parts listing (wb3fau55 at neo.rr.com)
> 3. Re: SP-600 parts listing (Al Parker)
> 4. BC-779 Bezels needed (Roy Morgan)
> 5. BC-779/Super Pro Product Detector Mod (Roy Morgan)
> 6. Re: BC-779/Super Pro Product Detector Mod (manualman at juno.com)
> 7. Re: BC-779/Super Pro Product Detector Mod (Al Parker)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 25 Jan 2017 11:16:30 -0500
> From: "Todd, KA1KAQ" <ka1kaq at gmail.com>
> To: wb3fau55 at neo.rr.com
> Cc: Hammarlund List <hammarlund at mailman.qth.net>
> Subject: Re: [Hammarlund] SP-600-25C
> Message-ID:
> <CANCs6AXUutz4JBc3X9iZJr7EVs3RRt__Sdn5X1AxhT=bUrXR_A at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> I used to get it whenever anything kicked on, like the fridge, furnace,
> etc. I'm sure a heater would do it as well. Definitely better off using the
> 130v tap that Les mentioned, unless you have very low line voltage (low by
> today's 120-125v averages). The regulator tube is another good tip. Best
> way to check it is to substitute a known good tube in its place.
>
> Which reminds me, I really need to check the level here before I do too
> much. Have only done some light listening on the R-390A, 75A-4, and an old
> Meissner Traffic Master so far with indoor aerials. The Super Pros are
> hibernating under the stairs.
>
>> On Tue, Jan 24, 2017 at 12:48 PM, <wb3fau55 at neo.rr.com> wrote:
>>
>> Yes, maybe the transformer tap. I had space heater plugged into same
>> line at the time, may have been enough voltage drop to cause this?
>> Transformer is a 25 to 60HZ variety. Thanks for tips guys! Russ.
>>
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 31 Jan 2017 10:59:20 -0500
> From: <wb3fau55 at neo.rr.com>
> To: hammarlund at mailman.qth.net
> Subject: [Hammarlund] SP-600 parts listing
> Message-ID: <20170131155920.MJ4YM.75401.root at cdptpa-web16>
> Content-Type: text/plain; charset=utf-8
>
> Folks, I have an issue with the RF S meter. It will not zero. Trying the pot does not help. My manual is a download from Nostalgia-Air. Riders did not include the resistance values in that manual. I cannot get a download from BAMA.
> So I need someone to send me the page of resistance values and / or clues to fix. My guess is a bad resistor? 73s Russ.
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 31 Jan 2017 11:33:27 -0500
> From: Al Parker <anchor at ec.rr.com>
> To: wb3fau55 at neo.rr.com, hammarlund at mailman.qth.net
> Subject: Re: [Hammarlund] SP-600 parts listing
> Message-ID: <07c239c7-2530-39c7-eef3-8bb9aa31074c at ec.rr.com>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
> Hi Russ,
> We've got some good quality SP-600 manuals on The Hammarlund Historian
> website, <http://www.hammarlund.info/hamrmanu.html> I've also got the
> 66 pg service manual (from Andy Moorer's site I think), it's abt 28Mb,
> so may not go by email, but you could probably get it directly from his
> site <http://www.jamminpower.com/main/sp600.html>
> The S-meter is measuring the AVC voltage indirectly, is the AVC working
> properly? Check the resistors between the zero adj. pot and V-11. Has
> the RF deck been rebuilt? Several bypass caps (BBOD's unless your s/n
> is above abt 17,000) in there that will draw the AVC line down.
> 73,
>
> Al, W8UT
> www.boatanchors.org
> www.hammarlund.info
>
> "There is nothing -- absolutely nothing -- half so much
> worth doing as simply messing about in boats"
> Ratty, to Mole
>
>> On 1/31/2017 10:59 AM, wb3fau55 at neo.rr.com wrote:
>> Folks, I have an issue with the RF S meter. It will not zero. Trying the pot does not help. My manual is a download from Nostalgia-Air. Riders did not include the resistance values in that manual. I cannot get a download from BAMA.
>> So I need someone to send me the page of resistance values and / or clues to fix. My guess is a bad resistor? 73s Russ.
>> ______________________________________________________________
>
>
> ------------------------------
>
> Message: 4
> Date: Tue, 31 Jan 2017 11:50:26 -0500
> From: Roy Morgan <k1lky68 at gmail.com>
> To: "hammarlund at mailman.qth.net Radios" <hammarlund at mailman.qth.net>
> Subject: [Hammarlund] BC-779 Bezels needed
> Message-ID:
> <CAK_CHi6_DNK-Q-LggBd3zJ4LxMcJT=LZEQ5KhL8Q3KruMrk47Q at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Hello Hammarlund folks,
>
> I have a BC-779, owned sine about 1965. It is now coming up for
> restoration, and I am missing the two dial bezels. I assume they are the
> same for the SP-200 and SP-400 series.
>
> If anyone has spares or parts from a disabled radio, I'd very much
> appreciate a chance to get a pair.
>
> Thanks much,
>
> --
> Regards,
> Roy
>
> Roy Morgan
> k1lky since 1958
>
>
> ------------------------------
>
> Message: 5
> Date: Mon, 6 Feb 2017 17:41:09 -0500
> From: Roy Morgan <k1lky68 at gmail.com>
> To: "hammarlund at mailman.qth.net Radios" <Hammarlund at mailman.qth.net>
> Subject: [Hammarlund] BC-779/Super Pro Product Detector Mod
> Message-ID:
> <CAK_CHi4_49sc2iU2NmnG-_bXCojonumSL8Z7eYwbQ4fB+Xa6PA at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Hammarlund folks,
>
> I will soon begin restoration of a BC-779 I got in the late 1960's. I
> added a product detector way back then, but don't have the documentation on
> the modification.
>
> Does anyone remember or have info on such modifications?
>
> Thanks in advance.
>
> --
> Regards,
> Roy
>
> Roy Morgan
> k1lky since 1958
>
>
> ------------------------------
>
> Message: 6
> Date: Mon, 6 Feb 2017 17:51:34 -0500
> From: <manualman at juno.com>
> To: Hammarlund at mailman.qth.net
> Subject: Re: [Hammarlund] BC-779/Super Pro Product Detector Mod
> Message-ID: <AABNKT9TLADSHDBJ at smtpout03.vgs.untd.com>
> Content-Type: text/plain; charset=us-ascii
>
> There were lots of product detector circuits floating around back then.
> Is it tube (what tube(s)) or solid state?
>
> Pete, wa2cwa
>
> On Mon, 6 Feb 2017 17:41:09 -0500 Roy Morgan <k1lky68 at gmail.com> writes:
>> Hammarlund folks,
>>
>> I will soon begin restoration of a BC-779 I got in the late 1960's.
>> I
>> added a product detector way back then, but don't have the
>> documentation on
>> the modification.
>>
>> Does anyone remember or have info on such modifications?
>>
>> Thanks in advance.
>>
>> --
>> Regards,
>> Roy
>>
>> Roy Morgan
>> k1lky since 1958
>
>
>
> ------------------------------
>
> Message: 7
> Date: Mon, 6 Feb 2017 19:40:17 -0500
> From: Al Parker <anchor at ec.rr.com>
> To: hammarlund <Hammarlund at mailman.qth.net>
> Subject: Re: [Hammarlund] BC-779/Super Pro Product Detector Mod
> Message-ID: <64b571c9-19f7-566a-a4d3-72e617c91dcc at ec.rr.com>
> Content-Type: text/plain; charset=windows-1252; format=flowed
>
>
> Hi Roy,
> As Pete said, there were a lot of articles back then. I've att. a
> relatively recent one which we've got on the Hammarlund Historian
> website somewhere I think (it won't go thru the reflector, but will
> directly to Roy) . Also if you got to the HH website start page
> <www.hammarlund.info> you can download Perry Sandeen's SP-600 Anthology
> which I think has some ckts. I should have a cupla the old articles in
> my archives, didn't find them just now in a quick look, but can look
> more later. I should also have notes and schem I made from one I found
> in an SP-600 I worked on a few yrs ago.
> 73,
>
> Al, W8UT
> www.boatanchors.org
> www.hammarlund.info
>
> "There is nothing -- absolutely nothing -- half so much
> worth doing as simply messing about in boats"
> Ratty, to Mole
>
>> On 2/6/2017 5:41 PM, Roy Morgan wrote:
>> Hammarlund folks,
>>
>> I will soon begin restoration of a BC-779 I got in the late 1960's. I
>> added a product detector way back then, but don't have the
> documentation on
>> the modification.
>>
>> Does anyone remember or have info on such modifications?
>>
>> Thanks in advance.
>>
>
>
> ------------------------------
>
> Subject: Digest Footer
>
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> ------------------------------
>
> End of Hammarlund Digest, Vol 151, Issue 1
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