[R-390] R-390 CR-801 replacement

Fri Oct 16 04:01:47 EDT 2020

Hi,

When replacing the CR-801 by the rectifier bridge, Is it necessary to add
any other components (resistors...) or is it a simple substitution?

Regards

Jose

El vie., 16 oct. 2020 a las 6:15, <r-390-request at mailman.qth.net> escribió:

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> Today's Topics:
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>    1. Re: R-390 CR-801 replacement (Fred Moore)
>    2. Re: R-390 CR-801 replacement (Ken)
>    3. FS:  Two Sleeves of 5 New Old Stock 6AK5 Tubes (Mister Mike)
>    4. Re: R-390 CR-801 replacement (Roy Morgan)
>    5. Re: R-390 CR-801 replacement (Ken)
>    6. Re: R-390 Odds and Ends (Bill Shekooley)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sat, 10 Oct 2020 00:19:48 -0000
> From: "Fred Moore" <fred_moore at usa.net>
> To: Ken <kenharpur at startmail.com>, <fred_moore at usa.net>
> Cc: Collins R-390 HF Receiver List <r-390 at mailman.qth.net>
> Subject: Re: [R-390] R-390 CR-801 replacement
> Message-ID: <504yJJasW9344Set.1602289188 at web13.cms.usa.net>
> Content-Type: text/plain; charset=utf-8
>
> I did find one with a mounting hole that fits right in.  I got it at Radio
> Shack, hahaha.
>
> I will find the same thing on Digikey for you over the weekend and reply
> again.  Indeed those copper oxide rectifiers can go bad on the R-390.
> -Fred
>
> ------ Original Message ------
> Received: Thu, 08 Oct 2020 08:17:23 AM GMT
> From: Ken via R-390 <r-390 at mailman.qth.net>
> To: fred_moore at usa.netCc: Collins R-390 HF Receiver List
> <r-390 at mailman.qth.net>
> Subject: [R-390] R-390 CR-801 replacement
>
> Good morning gents,
>
> While we are on the subject of the R-390...
> I would like to replace the Selenium rectifier CR-801 under the power
> transformer with a modern bridge rectifier.
> The problem I am having is I can?t find a suitable device that is small
> enough to fit ?and? has a mounting hole.  Everything I have come across so
> far have small plastic cases with no mounting hole.
>
> Does anyone have a suitable part number I can search for? I would be very
> grateful.
>
> Best regards
> Ken
> ______________________________________________________________
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>
>
> ------------------------------
>
> Message: 2
> Date: Sun, 11 Oct 2020 07:26:06 +1300
> From: Ken <kenharpur at startmail.com>
> To: Fred Moore <fred_moore at usa.net>
> Cc: r-390 at mailman.qth.net
> Subject: Re: [R-390] R-390 CR-801 replacement
> Message-ID: <1154CCE5-9CD3-4D39-A6AB-8561819C586E at startmail.com>
> Content-Type: text/plain;       charset=utf-8
>
> Hi Fred,
>
> Thanks for your reply. Jacques kindly sent me a link to the digikey
> part...it is exactly what I was looking for.
>
> I will order a few along with some other bits and pieces in the next few
> days.
>
> Best regards
> Ken
>
> > El 10 oct 2020, a las 13:19, Fred Moore <fred_moore at usa.net> escribi?:
> >
> > I did find one with a mounting hole that fits right in.  I got it at
> Radio
> > Shack, hahaha.
> >
> > I will find the same thing on Digikey for you over the weekend and reply
> > again.  Indeed those copper oxide rectifiers can go bad on the R-390.
> -Fred
> >
> > ------ Original Message ------
> > Received: Thu, 08 Oct 2020 08:17:23 AM GMT
> > From: Ken via R-390 <r-390 at mailman.qth.net>
> > To: fred_moore at usa.netCc: Collins R-390 HF Receiver List
> > <r-390 at mailman.qth.net>
> > Subject: [R-390] R-390 CR-801 replacement
> >
> > Good morning gents,
> >
> > While we are on the subject of the R-390...
> > I would like to replace the Selenium rectifier CR-801 under the power
> > transformer with a modern bridge rectifier.
> > The problem I am having is I can?t find a suitable device that is small
> > enough to fit ?and? has a mounting hole.  Everything I have come across
> so
> > far have small plastic cases with no mounting hole.
> >
> > Does anyone have a suitable part number I can search for? I would be very
> > grateful.
> >
> > Best regards
> > Ken
> > ______________________________________________________________
> > R-390 mailing list
> > Home: http://mailman.qth.net/mailman/listinfo/r-390
> > Help: http://mailman.qth.net/mmfaq.htm
> > Post: mailto:R-390 at mailman.qth.net
> >
> > This list hosted by: http://www.qsl.net
> > Please help support this email list: http://www.qsl.net/donate.html
> >
> >
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 12 Oct 2020 17:53:50 -0400
> From: Mister Mike <w1rc at near-fest.com>
> To: r-390 at mailman.qth.net
> Cc: Collins R-390 HF Receiver List <r-390 at mailman.qth.net>
> Subject: [R-390] FS:  Two Sleeves of 5 New Old Stock 6AK5 Tubes
> Message-ID: <C70CCA51-29FB-43CB-9085-D9707B8BDBE7 at near-fest.com>
> Content-Type: text/plain; charset=utf-8
>
> Anyone want these for $16.00 delivered (USA only)?  There are 6 GE and 4
> Westinghouse tubes, all new old stock. Tube Depot lists ?em for $4.95
> each......
>
> I have far too much stuff.......
>
> 73,
>
> Michael, W1RC
>
> ------------------------------
>
> Message: 4
> Date: Mon, 12 Oct 2020 22:19:18 -0400
> From: Roy Morgan <k1lky68 at gmail.com>
> To: Ken <kenharpur at startmail.com>,      Collins R-390 HF Receiver List
>         <r-390 at mailman.qth.net>
> Cc: Collins R-390 HF Receiver List <r-390 at mailman.qth.net>
> Subject: Re: [R-390] R-390 CR-801 replacement
> Message-ID: <165025DD-7CAC-4464-8217-520787A3F67A at gmail.com>
> Content-Type: text/plain; charset=us-ascii
>
> Ken,
>
> For the record and for those of us whose radios have very old rectifiers,
> would you post the DigiKay part number, name to the list?
>
> Thanks,
>
> Roy
>
> > On Oct 10, 2020, at 2:26 PM, Ken via R-390 <r-390 at mailman.qth.net>
> wrote:
> >
> > Hi Fred,
> >
> > Thanks for your reply. Jacques kindly sent me a link to the digikey
> part...it is exactly what I was looking for.
> >
> > I will order a few along with some other bits and pieces in the next few
> days.
>
>
> Roy Morgan
> K1LKY since 1958
> k1lky68 at gmail.com
>
>
>
>
>
>
> ------------------------------
>
> Message: 5
> Date: Tue, 13 Oct 2020 19:44:31 +1300
> From: Ken <kenharpur at startmail.com>
> To: Roy Morgan <k1lky68 at gmail.com>
> Cc: r-390 at mailman.qth.net
> Subject: Re: [R-390] R-390 CR-801 replacement
> Message-ID: <A0A3A68C-7BEE-44FA-80D1-1D83DB39E943 at startmail.com>
> Content-Type: text/plain;       charset=utf-8
>
> Good evening list,
>
> My apologies, when I replied to Don I CC?d to the list but it obviously
> didn?t work.
>
> This is the link to the digikey part I was kindly given for those
> interested in replacing CR-801 (or similar).
>
>
> https://www.digikey.ca/en/products/detail/genesic-semiconductor/BR62/3927701?s=N4IgjCBcpgbFoDGUBmBDANgZwKYBoQB7KAbRACZyAOAZiogF0CAHAFyhAGVWAnASwB2AcxABfAgFpyCEMki8ArviKkQAVhBMQbDmNGigA
>
> Best regards
> Ken
>
>
> > El 13 oct 2020, a las 15:19, Roy Morgan <k1lky68 at gmail.com> escribi?:
> >
> > Ken,
> >
> > For the record and for those of us whose radios have very old
> rectifiers, would you post the DigiKay part number, name to the list?
> >
> > Thanks,
> >
> > Roy
> >
> >> On Oct 10, 2020, at 2:26 PM, Ken via R-390 <r-390 at mailman.qth.net>
> wrote:
> >>
> >> Hi Fred,
> >>
> >> Thanks for your reply. Jacques kindly sent me a link to the digikey
> part...it is exactly what I was looking for.
> >>
> >> I will order a few along with some other bits and pieces in the next
> few days.
> >
> >
> > Roy Morgan
> > K1LKY since 1958
> > k1lky68 at gmail.com
> >
> >
> >
> >
>
>
> ------------------------------
>
> Message: 6
> Date: Thu, 15 Oct 2020 23:14:50 -0600
> From: Bill Shekooley <shekool at shaw.ca>
> To: r-390 at mailman.qth.net
> Cc: Collins R-390 HF Receiver List <r-390 at mailman.qth.net>
> Subject: Re: [R-390] R-390 Odds and Ends
> Message-ID: <a5f6b69f-1238-209f-2e0c-be18f74508c6 at shaw.ca>
> Content-Type: text/plain; charset=utf-8; format=flowed
>
> Hi;? I would like to buy the connectors.? I am in Canada and would add
> more for the postage.? Please let me know if still available.? Thanks
> and 73.? Bill Shekooley? VE6BCS
>
>
>
> ------------------------------
>
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>
> End of R-390 Digest, Vol 198, Issue 4
> *************************************
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