[Heath] Heath Digest, Vol 94, Issue 15

Wed Oct 31 12:21:22 EDT 2018

Rich, I would have to ask where the tuning dial was resting for that long time.  If it was at the low end, then the high end warble is from environment.  Cleaning and lube is likely fix.  Is tuning more stiff at high end?

Sent from my HTC

----- Reply message -----
From: heath-request at puck.nether.net
To: <heath at puck.nether.net>
Subject: Heath Digest, Vol 94, Issue 15
Date: Wed, Oct 31, 2018 09:31

Send Heath mailing list submissions to
heath at puck.nether.net

To subscribe or unsubscribe via the World Wide Web, visit
https://puck.nether.net/mailman/listinfo/heath
or, via email, send a message with subject or body 'help' to
heath-request at puck.nether.net

You can reach the person managing the list at
heath-owner at puck.nether.net

When replying, please edit your Subject line so it is more specific
than "Re: Contents of Heath digest..."

Today's Topics:

1. Re: RTO Status And My SB-102 (Allen Jones)
2. Re: RTO Status And My SB-102 (Allen Jones)

----------------------------------------------------------------------

Message: 1
Date: Wed, 31 Oct 2018 13:27:25 +0000 (UTC)
From: Allen Jones <w9dz at yahoo.com>
To: Heath <heath at puck.nether.net>
Subject: Re: [Heath] RTO Status And My SB-102
Message-ID: <1263834760.699569.1540992445880 at mail.yahoo.com>
Content-Type: text/plain; charset="utf-8"

Glen Zook, K9STH has detailed instructions on the repair here:
http://nebula.wsimg.com/d6a8106142d...50C433DB440D6B60D&disposition=0&alloworigin=1

Allen, W9DZ
On Wednesday, October 31, 2018, 7:20:57 AM CDT, Bob G3OOU via Heath <heath at puck.nether.net> wrote:  

Hi Rich

Your LMO problem is almsot certainly due to the lubrucant having dried 
out on the rotor contact and capacitor bearings inside the LMO. This is 
relatively easy to fix but requires some patience to remove the LMO from 
the chassis. You will need to slacken the front panel and remove the 
main tuning control and its friction connection to the dial assembly. 
Best to study the user manual and various documents that have been 
published on this topic before commencing work.

73

Bob

Bob F Burns G3OOU, G-QRP 6907, @BobFBurns
Crystal Palace Radio & Electronics Club: http://cprec.btck.co.uk/
Technical web site: www.qsl.net/g3oou

On 30/10/2018 23:08, Rich Sahlender wrote:
> I thought there may be others on the list that woulod want to know this.
>
> I received an email from RTO that they are cancelling all service
> requests on the waiting list. They will complete service on what they
> have received thus far but if you were waiting for the "go ahead and
> ship" as I was... well... the notification will not be coming.
>
> Some years ago I bought a SB-102 from someone on this list. It has been
> on the shelf waiting for me to get around to restoring it since. I have
> been working on so much other old gear I just never seem to get around
> to the 102 so figured I'd give RTO a try. I am disappointed of course
> but understand that RTO has done a lot of good work for us over the
> years although I have not had an occasion to use their services until
> now. I am sure they will be missed.
>
> With regards to my 102 I have it receiving on all bands. It seems
> sensitive enough but there is an issue that I expect is related to the
> LMO. From the low end of each band to the middle the receive is very
> stable. From the middle to the high end it is for lack of a better word
> "warbly". Any suggestions on what this might be other than the LMO?
>
> Xmit also works with low drive. I imagine it also work with higher drive
> but every time I crank it up above 90 watts or so while in tune it blows
> the fuse in the Hp-23. I rebuilt the HP-23 with one of the boards from
> Harbach but the old circuit breaker was toast so I replaced that with a
> fuse holder. I don't recall if I had 3 or 5 amp fuses in there while
> tuning the 102 and blowing several fuses in the process. I figured this
> was something else that RTO would handle after fixing the "warbly"
> receive.
>
> Anyway any suggestions appreciated. I am not really up for messing with
> the internals of the LMO so if the concensus on the warbly receive is to
> tear into the LMO I may just offer it up here to someone more capable
> than I or as a parts unit etc...
>
> Tnx es 73 de Rich WA3WLH
> _______________________________________________
> Heath mailing list
> Heath at puck.nether.net
> https://puck.nether.net/mailman/listinfo/heath

_______________________________________________
Heath mailing list
Heath at puck.nether.net
https://puck.nether.net/mailman/listinfo/heath

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/heath/attachments/20181031/527b70d9/attachment-0001.html>

------------------------------

Message: 2
Date: Wed, 31 Oct 2018 14:19:46 +0000 (UTC)
From: Allen Jones <w9dz at yahoo.com>
To: Bob G3OOU <g3oou at aol.com>
Cc: "heath at puck.nether.net" <heath at puck.nether.net>
Subject: Re: [Heath] RTO Status And My SB-102
Message-ID: <1809564562.734868.1540995586257 at mail.yahoo.com>
Content-Type: text/plain; charset="utf-8"

Not working for me either for some reason.? Here is another link to the same article:
https://nb9m.com/index.cfm?key=view_resource&TransKey=0DEC924F-B6C4-415C-84AE-52C077B22F47&CategoryID=4B0A8169-DF02-4290-BD09-648A5D043FE3&Small=1

Allen

Links in the message (1)

|  | 
ARS NB9M
|

On Wednesday, October 31, 2018, 9:03:48 AM CDT, Bob G3OOU <g3oou at aol.com> wrote:  

Hi Allen

That link results in an error for me.

73

Bob

Bob F Burns G3OOU, G-QRP 6907, @BobFBurns
Crystal Palace Radio & Electronics Club: http://cprec.btck.co.uk/
Technical web site: www.qsl.net/g3oou On 31/10/2018 13:27, Allen Jones via Heath wrote:

Glen Zook, K9STH has detailed instructions on the repair here: 
http://nebula.wsimg.com/d6a8106142d...50C433DB440D6B60D&disposition=0&alloworigin=1

Allen, W9DZ 
On Wednesday, October 31, 2018, 7:20:57 AM CDT, Bob G3OOU via Heath <heath at puck.nether.net> wrote:  

Hi Rich

Your LMO problem is almsot certainly due to the lubrucant having dried 
out on the rotor contact and capacitor bearings inside the LMO. This is 
relatively easy to fix but requires some patience to remove the LMO from 
the chassis. You will need to slacken the front panel and remove the 
main tuning control and its friction connection to the dial assembly. 
Best to study the user manual and various documents that have been 
published on this topic before commencing work.

73

Bob

Bob F Burns G3OOU, G-QRP 6907, @BobFBurns
Crystal Palace Radio & Electronics Club: http://cprec.btck.co.uk/
Technical web site: www.qsl.net/g3oou

On 30/10/2018 23:08, Rich Sahlender wrote:
> I thought there may be others on the list that woulod want to know this.
>
> I received an email from RTO that they are cancelling all service
> requests on the waiting list. They will complete service on what they
> have received thus far but if you were waiting for the "go ahead and
> ship" as I was... well... the notification will not be coming.
>
> Some years ago I bought a SB-102 from someone on this list. It has been
> on the shelf waiting for me to get around to restoring it since. I have
> been working on so much other old gear I just never seem to get around
> to the 102 so figured I'd give RTO a try. I am disappointed of course
> but understand that RTO has done a lot of good work for us over the
> years although I have not had an occasion to use their services until
> now. I am sure they will be missed.
>
> With regards to my 102 I have it receiving on all bands. It seems
> sensitive enough but there is an issue that I expect is related to the
> LMO. From the low end of each band to the middle the receive is very
> stable. From the middle to the high end it is for lack of a better word
> "warbly". Any suggestions on what this might be other than the LMO?
>
> Xmit also works with low drive. I imagine it also work with higher drive
> but every time I crank it up above 90 watts or so while in tune it blows
> the fuse in the Hp-23. I rebuilt the HP-23 with one of the boards from
> Harbach but the old circuit breaker was toast so I replaced that with a
> fuse holder. I don't recall if I had 3 or 5 amp fuses in there while
> tuning the 102 and blowing several fuses in the process. I figured this
> was something else that RTO would handle after fixing the "warbly"
> receive.
>
> Anyway any suggestions appreciated. I am not really up for messing with
> the internals of the LMO so if the concensus on the warbly receive is to
> tear into the LMO I may just offer it up here to someone more capable
> than I or as a parts unit etc...
>
> Tnx es 73 de Rich WA3WLH
> _______________________________________________
> Heath mailing list
> Heath at puck.nether.net
> https://puck.nether.net/mailman/listinfo/heath 

_______________________________________________
Heath mailing list
Heath at puck.nether.net
https://puck.nether.net/mailman/listinfo/heath

_______________________________________________
Heath mailing list
Heath at puck.nether.net
https://puck.nether.net/mailman/listinfo/heath

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/heath/attachments/20181031/2d069d3a/attachment.html>

------------------------------

Subject: Digest Footer

_______________________________________________
Heath mailing list
Heath at puck.nether.net
https://puck.nether.net/mailman/listinfo/heath

------------------------------

End of Heath Digest, Vol 94, Issue 15
*************************************
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/heath/attachments/20181031/fdacf174/attachment.html>