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 Post subject: Need a Micro Radio Schematic
PostPosted: Jun Thu 13, 2019 7:56 pm 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: SoCal, 91387
I have a Bradford Micro 7, no model number, and am having trouble tracing power, as I'm only getting voltage on one, or two Transistor elements. And you know how easy these tiny PCB's are to work on... :roll:

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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 1:48 am 
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Joined: Jan Tue 31, 2012 1:55 am
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Location: Mountains of Mourne. Ireland.
Can you post a couple of photos of the chassis.

You must be crazy, I have a few of those little micro radios, thankfully they all work.
:) Greg.


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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 7:10 am 
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To the point about my being crazy; I think I've proven that beyond a reasonable doubt... :wink:


Attachments:
Bradford Micro 7 top.jpg
Bradford Micro 7 top.jpg [ 313.71 KiB | Viewed 379 times ]
Bradford Micro 7 bottom.jpg
Bradford Micro 7 bottom.jpg [ 365.82 KiB | Viewed 379 times ]

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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 1:46 pm 
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Joined: Jan Tue 31, 2012 1:55 am
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Location: Mountains of Mourne. Ireland.
A schematic can be found in Sams TSM-64 January 1966
Listed as Viscount 711

Image
Large image→ https://i.ebayimg.com/images/g/gZoAAOSw ... -l1600.jpg
Viscount Micro 7 Transistor (711)

eBay item number: 163729181578 (Radio for sale).
https://www.ebay.com/sch/i.html?_from=R ... ount+micro

Greg.


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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 2:04 pm 
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Joined: Feb Thu 28, 2019 7:48 pm
Posts: 392
Location: Lawrenceville, Illinois 62439
I've got that Sams for $7.00 shipped if you can't find it elsewhere.
PM me if interested, Dan


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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 4:23 pm 
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Joined: Jan Tue 31, 2012 1:55 am
Posts: 10143
Location: Mountains of Mourne. Ireland.
Just another shot...

Image
Large image→ https://i.ebayimg.com/images/g/hfIAAOSw ... -l1600.jpg

eBay item number: 163057561035 (Sold).
https://www.ebay.com/sch/i.html?_from=R ... Complete=1

One or two of the guys here have TSM-64
maybe they will see this thread?
Greg.


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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 4:50 pm 
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Joined: Jan Tue 31, 2012 1:55 am
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Location: Mountains of Mourne. Ireland.
Bradford was a brand name for Grants.

Image

Greg.


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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 7:01 pm 
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Posts: 33139
Location: SoCal, 91387
egg wrote:
A schematic can be found in Sams TSM-64 January 1966
Listed as Viscount 711

Image
Large image→ https://i.ebayimg.com/images/g/gZoAAOSw ... -l1600.jpg
Viscount Micro 7 Transistor (711)

eBay item number: 163729181578 (Radio for sale).
https://www.ebay.com/sch/i.html?_from=R ... ount+micro

Greg.

Greg, thx for the info!


Yarehobbiesso$ wrote:
I've got that Sams for $7.00 shipped if you can't find it elsewhere.
PM me if interested, Dan

Any chance you could scan and email just the schematic, and maybe the trace side pic?

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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 7:18 pm 
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Joined: Feb Thu 28, 2019 7:48 pm
Posts: 392
Location: Lawrenceville, Illinois 62439
Sorry, I can't scan.
Here's a couple snapshots, better than nothing.
Dan


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rsz_003.jpg
rsz_003.jpg [ 181.24 KiB | Viewed 324 times ]
rsz_005.jpg
rsz_005.jpg [ 204.95 KiB | Viewed 324 times ]
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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 7:18 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 33139
Location: SoCal, 91387
Thx Dan, I appreciate that!

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 Post subject: Re: Need a Micro Radio Schematic
PostPosted: Jun Fri 14, 2019 7:31 pm 
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Joined: Feb Thu 28, 2019 7:48 pm
Posts: 392
Location: Lawrenceville, Illinois 62439
Happy to - hope it helps!


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