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Old 28th November 2013, 04:42 AM   #11
RNMarsh is offline RNMarsh  United States
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Location: 2457 Cascade Trail; Cool, CA. 95614
A good source for the manual- which gives the calibration procedure and schematics etc is from ->
www.ArtekManuals.com

"The worlds largest supplier of PDF manuals for out-of-print test equipment manuals"


Thx-RNMarsh
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Old 28th November 2013, 03:38 PM   #12
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Yep. I ordered the 339A manual from them on their ebay store, although after I received it I found they suggest going straight to their web page instead. It is a very good clear scan that is readable, unlike some of the free ones you find on the web. And the large foldout pages are scanned as a single page. Much nicer than in pieces. The only thing I don't like is that they are 'protected' PDFs, so you can't print them. I'm old school and prefer to work from a printed schematic when troubleshooting. Paging through a document on a computer screen is tedious. So I ended up printing out the schematic pages that are free on the web and taping them together to make the pages complete. I referred to the Artek manual when the free one wasn't legible.

Terry
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Old 28th November 2013, 05:22 PM   #13
RNMarsh is offline RNMarsh  United States
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?? I have the 339A from them on disk and I can print them out. Might double-check with them about it.

-RNM
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Old 28th November 2013, 06:29 PM   #14
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Brain fart on my part I guess. I just looked and now I can. Before the print option was grayed out.....???????
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Old 11th January 2014, 08:44 PM   #15
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I've been working on a 339A that won't auto tune into the notch, and have the problem traced down to a bad opto-module (E2) on the A3 board.

Does anyone know of a replacement for this unit?


Chuck
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Old 12th January 2014, 06:05 AM   #16
RNMarsh is offline RNMarsh  United States
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I think someone took them apart and replaced the bulb. You might try to open it and replace bulb. Dont know where I read it. Maybe R.Moore or his site can help. I bought a spare 339A just to have parts.

-RM
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Old 12th January 2014, 01:05 PM   #17
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It's the photocell that is bad on this one. Since I posted the question I did some looking around and I think I found a Vactrol unit with the correct characteristics, I ordered a couple and will see how it works.

Thanks for the reply

Chuck
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Old 7th March 2014, 11:07 AM   #18
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Does anyone know where I can get a cable set for the 339a? There is a 11095a for sale on ebay but no one has the cabeling
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Old 7th March 2014, 09:27 PM   #19
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gwalters,
I don't know what you mean by cable set for 339A. I don't think any special cables are required.

Terry
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Old 8th March 2014, 10:20 AM   #20
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The manual shows pics of cabeling and one has a 600 resistor in it. I would like a set of these if anyone knows where to get them.

I also think my 339a oscillator is bad since looking at it on an oscilliscope it is extremely fuzzy like the triangular wave has a lot of noise. Does anyone have a pic of what the wave looks like they could post?
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