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 Post subject: Juliette TR91 M micro radio
PostPosted: May Mon 14, 2018 9:50 am 
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Joined: May Mon 14, 2018 12:15 am
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Greetings,

I recently purchased a Juliette TR91 M micro radio.

Unfortunately the radio is not working. Does any one happen to have the schematics for this particular radio?

Thank you in advance for any help you can provide

Tim Huestis
615-630-3508


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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Mon 14, 2018 7:21 pm 
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Location: SoCal, 91387
Try here;

https://www.justradios.com/

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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Mon 14, 2018 8:38 pm 
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Location: Mountains of Mourne. Ireland.
Juliette 9 Transistor Micro Radio TR-91M
Image
Image
http://radiomuseum.org/r/toppimp_juliet ... r_91m.html

If I'm not mistaken Lloyd's 9 transistor 6K89B/6K89D/6K89N
employed the same chassis.
Image

Model number: Lloyds 6K89B
image: http://i.ebayimg.com/images/g/1t0AAOSwc ... s-l800.jpg
Image

Lloyd's 9 transistor 6K89B/6K89D/6K89N can be found in Sams TSM-79 (Transistor Radio Series)

TSM-79 ebay https://www.ebay.com/sch/i.html?_from=R ... 2&_sacat=0

Greg.


Last edited by egg on Sep Sun 02, 2018 4:17 am, edited 1 time in total.

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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Mon 14, 2018 10:08 pm 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: dayton oh usa
looks like a standard micronic ruby


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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Mon 14, 2018 10:51 pm 
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Location: Rayleigh, BC, CANADA
kc8adu wrote:
looks like a standard micronic ruby

That was my thinking as well


Attachments:
Standard_'MicroncRuby'_Model_SR-438, (Small).jpg
Standard_'MicroncRuby'_Model_SR-438, (Small).jpg [ 45.34 KiB | Viewed 862 times ]

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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Mon 14, 2018 11:19 pm 
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Guys,

Thank you very much for the replies!!

I have sent a e-mail to Just Radios to see if they have the schematic.

Really appreciate everyone's help!

Regards

Tim


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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Mon 14, 2018 11:35 pm 
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Location: Mountains of Mourne. Ireland.
There was/is a whole bunch of Standard Micronic Rubys, mostly seven and eight transistror. If they ever produced a nine transistor, I would seriously doubt that their chassis would have been used in the Juliette or Lloyds above.

I could be wrong... I've been wrong before, once... :). but that was back in '73

Lol Greg.


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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Tue 15, 2018 3:55 am 
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Rocco53 wrote:
kc8adu wrote:
looks like a standard micronic ruby
Image

That was my thinking as well

Well it's not.
Notice that the tuner and VC control are close to each other, and on the short side.
Now compare that to the OP's radio;
Image

The controls are a bit farther apart, and on the long side.

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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Tue 15, 2018 6:13 pm 
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fifties wrote:
Rocco53 wrote:
kc8adu wrote:
looks like a standard micronic ruby
Image

That was my thinking as well
Well it's not.
Notice that the tuner and VC control are close to each other, and on the short side.
Now compare that to the OP's radio;

Ya, I noticed that, I just though it might have the same circuit board inside.

I do have a history of being wrong 99% of the time. :)

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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Tue 15, 2018 6:42 pm 
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Rocco53 wrote:

I do have a history of being wrong 99% of the time. :)

Join the club. :wink:

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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Wed 16, 2018 1:02 am 
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Guys,

Unfortunately Just Radios did not have the schematic.

Making one last appeal to see if anyone has the schematics or the original operating instructions (that have the schematics).

Any suggestions of where to look or who to contact would be appreciated.

Thanks

Tim


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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Wed 16, 2018 1:12 am 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: dayton oh usa
there are several versions of the micronic ruby.
that chassis looks like one of them.
you might start by cleaning volume pot/switch and replace lytics.
if this is your first transistor radio repair you should put this one aside and get a more common cheap set to self train on.
make your beginners mistakes on something cheap and common.
thats a rare one.
probably more rare than a micronic ruby.


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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Wed 16, 2018 4:13 am 
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^ Listen to the man. I've had a few of these chassis on my auxiliary bench for quite awhile, as I'm not sure if I'm qualified to re cap them. They can use miniature Tantalum dipped Electrolytics, and look at all the space on the bottom of the PCB you have to work with. Need great magnification and steady hands.


Attachments:
Lloyds & Orion.jpg
Lloyds & Orion.jpg [ 111.45 KiB | Viewed 762 times ]
Orion & Lloyds.jpg
Orion & Lloyds.jpg [ 127.34 KiB | Viewed 762 times ]

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 Post subject: Re: Juliette TR91 M micro radio
PostPosted: May Wed 16, 2018 4:32 pm 
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Location: Mountains of Mourne. Ireland.
The service information for the Lloyds' 9 transistor found in Sams TSM-79 referenced above is the same chassis.

Greg.


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