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 Post subject: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jan Sat 03, 2015 2:36 pm 
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Hi Everyone,

I have a Truetone D2026 radio with a broken Dial String. I can't seem to find that model in the Sam's books (or anywhere else, for that matter). Does anyone have a stringing diagram or any words of advice? Thanks!


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jan Sun 04, 2015 3:30 am 
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Location: Central Iowa, USA
Are you sure it is a D2026? I have the Beitman's Service literature/Schematic (Volume 11, page 143) but it shows the tuning capacitor as driven directly by the knob with no indication of a dial cord.

PS, for Truetone, you may need to search by "Western Auto."


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jan Sun 04, 2015 1:06 pm 
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It is indeed a D2026 (stamped on the back). I've searched for both Truetone and Western Auto and haven't come up with anything.


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jan Sun 04, 2015 1:21 pm 
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Location: Aurora Colorado
Does it look like this one?http://www.radiomuseum.org/r/western_au_d2026_d_2026_series_a_tru.html

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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jan Sun 04, 2015 1:30 pm 
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http://techpreservation.com/schematics/Western_Auto.htmThis is in the djvu format,

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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jan Sun 04, 2015 3:06 pm 
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mse139 wrote:
It is indeed a D2026 (stamped on the back). I've searched for both Truetone and Western Auto and haven't come up with anything.

Then I only have the schematic and alignment literature. Unfortunately, some of these files do not show dial cord stringing.


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jan Tue 06, 2015 11:38 am 
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Thanks for the info, everyone. I'll tinker with it and see what happens.


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jan Wed 07, 2015 2:03 pm 
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You can probably reason it out. Usually, about three turns of cord go around the shaft with the tuning knob on it, and the spring on the tuning capacitor pulley wheel should have a bit of tension to keep the cord tight as it stretches.

If you still need the schematic and alignment info only, I will be happy to email it to you as a pdf or jpeg. I don't think you can send those files through the board's PM system.


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jun Sat 27, 2015 10:55 pm 
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Location: Buffalo, NY
I have one of these also, and it also needs to be re strung.
Agree the tuning gang / tuning knob stringing is pretty straight forward..
It's how the dial pointer gets strung that is stumping me so far.
Can someone with a radiomuseum.org membership try and get a higher resolution photo
of this chassis and post it here??
Looks like ya can follow this photo of chassis front view to see how the dial pointer gets tied in.
There is a chassis front view photo here.
http://www.radiomuseum.org/r/western_au ... a_tru.html

Just can't quite make it out as is...


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jun Sun 28, 2015 12:02 am 
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You might be able to find one close here, http://theoldradiofixerupperguy.com/dial%20cord.html.

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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jun Sun 28, 2015 1:02 am 
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Location: Buffalo, NY
yeah I have all those in PDF and looked through them. Like the OP, wasn't able to find one that matched.
The tuning gang is fine now, just have to get the dial pointer strung properly.
Why I was asking for that Front View of the chassis from radiomuseum.org... Sure I could figure it out
if I could see a better picture...

When I do I get it strung, I'll take a photo, and make a drawing for the next guy...


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jun Sun 28, 2015 6:06 pm 
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Joined: Apr Sun 15, 2012 3:10 pm
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Location: Buffalo, NY
came up with something that works. It's probably not 'factory' or even correct, but it's working.
I wound up stringing the tuning gang, and the dial pointer separately.
Without the aid of any diagram, or good photos, was the only way I could visualise getting the dial pointer to turn at the same rate as the tuning gang.
As you can see I am definitely not a mechanical whiz, but it's working for me...

https://db.tt/wngNLCYz
https://db.tt/NYfXH54p
https://db.tt/9kXcxUlF

Now on to the rest of it's problems...
FM and phono works... AM seems deaf on the RF side, have to jam a really strong AM test signal in to it to
get anything out of it in AM.


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jun Mon 29, 2015 5:45 pm 
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majortom wrote:
came up with something that works. It's probably not 'factory' or even correct, but it's working.
I wound up stringing the tuning gang, and the dial pointer separately.
Without the aid of any diagram, or good photos, was the only way I could visualise getting the dial pointer to turn at the same rate as the tuning gang.
As you can see I am definitely not a mechanical whiz, but it's working for me...

https://db.tt/wngNLCYz
https://db.tt/NYfXH54p
https://db.tt/9kXcxUlF

Now on to the rest of it's problems...
FM and phono works... AM seems deaf on the RF side, have to jam a really strong AM test signal in to it to
get anything out of it in AM.

Glad to see it up and working. Got a schematic handy?

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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Jun Tue 30, 2015 12:03 am 
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Joined: Apr Sun 15, 2012 3:10 pm
Posts: 932
Location: Buffalo, NY
I do have one, it's from the public domain Beitmans
I am thinking this one may have a severe case of silver mica disease, as in when in AM mode
the noise floor is so high from it constantly crashing, I have to have my signal generator output cranked up pretty good,
but it does seem to tune the signal. Nothing local can overcome it thus far though.
I haven't recapped it or anything yet either. That will be the next mission when I get around to it.

https://db.tt/8z5Vvfwk


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Feb Wed 07, 2018 12:50 am 
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Joined: Apr Sun 15, 2012 3:10 pm
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Location: Buffalo, NY
reposting some fresh links per request, since dropbox killed the original public links, showing how I strung this.

jbees,
Let me know if unable to view...
https://www.dropbox.com/s/frxk8khqx2epo ... 1.jpg?dl=0
https://www.dropbox.com/s/ea04ezwuizbkl ... 2.jpg?dl=0


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Feb Wed 07, 2018 1:35 am 
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Joined: Nov Mon 06, 2017 7:45 pm
Posts: 273
Location: Sherwood, Oregon
majortom wrote:
Can someone with a radiomuseum.org membership try and get a higher resolution photo
of this chassis and post it here??
Looks like ya can follow this photo of chassis front view to see how the dial pointer gets tied in.
There is a chassis front view photo here.
http://www.radiomuseum.org/r/western_au ... a_tru.html
Just can't quite make it out as is...


Not much to look at, but here they are:

(Didn't notice that the topic is over 2 1/2 years old) :oops:

The radio in these photos looks like the string is jerry-rigged too.


Attachments:
a Truetone D2026.jpg
a Truetone D2026.jpg [ 48.33 KiB | Viewed 418 times ]
b Truetone D2026.jpg
b Truetone D2026.jpg [ 58.48 KiB | Viewed 418 times ]
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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Feb Wed 14, 2018 7:51 pm 
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Joined: Mar Fri 17, 2017 8:07 pm
Posts: 22
Location: Lakewood,CO 80215
Majortom. Sorry just now noticed updated photos. Yes they are visible. Looks similar to what mgrant posted.Thanks for the effort.


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 Post subject: Re: Truetone D2026 Dial Cord Stringing Diagram
PostPosted: Apr Thu 12, 2018 7:48 pm 
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Joined: Mar Fri 17, 2017 8:07 pm
Posts: 22
Location: Lakewood,CO 80215
Took a while but here is what I came up with. Dial tracks stations fairly well. Looks like I was fortunate in that the center brass piece held in by spring clip survived in my radio. Still does not seem very stable as far as holding onto the string, but it works. Thanks all.


Attachments:
dial cord A1.jpg
dial cord A1.jpg [ 20.62 KiB | Viewed 212 times ]
dial cord A5.jpg
dial cord A5.jpg [ 17.38 KiB | Viewed 212 times ]
dial cord A3.jpg
dial cord A3.jpg [ 20.47 KiB | Viewed 212 times ]
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