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 Post subject: Bulova 2 band
PostPosted: Aug Fri 30, 2019 8:08 pm 
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Joined: Apr Wed 21, 2010 12:01 am
Posts: 322
My newest acquisition, a Bulova 880 bc and sw radio in excellent condition. It's from Japan, (who makes ???). Anyway it's in great shape. I put batteries in it and all I got was scratches. However, after a clean of the bandswitch it came to life but low volume, as expected. I will put in pictures if someone sends me the link on procedure. The next step is replacing electrolytics, 9 of them,. The components are tight and close together. If someone has a Sam's for this, it would aid in finding the right traces and component connections
It would be appreciated. Cosmetically it's in great shape. Ken


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 Post subject: Re: Bulova 2 band
PostPosted: Aug Fri 30, 2019 8:46 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 32719
Location: SoCal, 91387
They apparently made several series of that model, and they are in SAM's TSM's 22 and 23. Sorry, don't have either one.

_________________
\\\\\\\\\\\\\\\\\\\\\\\\He Who Dies With The Most Radios Wins//////////////////


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 Post subject: Re: Bulova 2 band
PostPosted: Aug Fri 30, 2019 9:02 pm 
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Joined: Jan Tue 31, 2012 1:55 am
Posts: 9566
Location: Mountains of Mourne. Ireland.
Sams Photofact Set-619 Folder-5 published in 1963
Original $7.75 shipped, ebay: https://www.ebay.com/sch/i.html?_from=R ... 5&_sacat=0

Greg.
ref: https://www.samswebsite.com/en/photofac ... h&s=Search

Edit: The 880 series is in Sams TSM-23

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


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 Post subject: Re: Bulova 2 band
PostPosted: Sep Mon 02, 2019 3:48 am 
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Joined: Apr Wed 21, 2010 12:01 am
Posts: 322
I thank you for the tip on the Sam's
It turns out that I was able to change out all 9 electrolytics without the placement diagrams. I just studied the traces enough and some trial and error and success. It's densely packed as you can see. That's all it needed was the electrolytics replaced and a slight alignment adjust and it"s going strong. Good volume and sensitivity. It really is in nice shape. It's around 1963 vintage.
Ken


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 Post subject: Re: Bulova 2 band
PostPosted: Sep Mon 02, 2019 4:52 am 
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Joined: Jan Tue 31, 2012 1:55 am
Posts: 9566
Location: Mountains of Mourne. Ireland.
Very nice Ken...

May 1962 Ad.
Image
Bulova radios were mostly sold in jewelry stores as a complement to their range of watches.

Missing badge:
https://www.flickr.com/photos/transisto ... 167211509/

Greg.


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 Post subject: Re: Bulova 2 band
PostPosted: Sep Mon 02, 2019 5:20 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 32719
Location: SoCal, 91387
Good job! Service info isn't really needed in most cases of replacing the 'Lytics and doing a simple RF and IF alignment.

_________________
\\\\\\\\\\\\\\\\\\\\\\\\He Who Dies With The Most Radios Wins//////////////////


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 Post subject: Re: Bulova 2 band
PostPosted: Sep Mon 02, 2019 9:08 pm 
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Joined: Oct Mon 26, 2009 10:02 pm
Posts: 6087
Location: Indianapolis, IN
Good looking radio, Ken---glad you got it working easily !

John


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 Post subject: Re: Bulova 2 band
PostPosted: Sep Tue 03, 2019 2:41 am 
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Joined: Apr Wed 21, 2010 12:01 am
Posts: 322
Thank you everyone for the nice words. I really like this radio. It's in almost new condition. I tested the old lytics and found many of them to have high leakage. It also came with a nice leather case. The reason I initially was perusing a Sam's is that Sam's has PC traces with numbers to correspond to points in the schematic. It would be helpful with the tight packing of parts and the densely routing of PC traces. I remember seeing the boards of the "minis" like the Standard micronic ruby types. These were really tight and a bear to work on one. This Bulova radio has all germanium transistors


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 Post subject: Re: Bulova 2 band
PostPosted: Sep Tue 03, 2019 8:06 pm 
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Joined: Aug Wed 26, 2009 1:50 am
Posts: 1539
Location: Mesquite NV 89027 (from Coventry, UK)
That’s a nice looking radio Ken.


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