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  #31  
Old 04-04-2018, 12:49 PM
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As promised, the manual. Since I couldn't slice the binding off of it to run it through the scanner, I was forced to try and scan it manually on a flat bed scanner. This didn't work as it cut off the information near the binding. I then took it to a friend with an book archivist's scanner and he did what he could with it. A lot of the pages are distorted as the book refused to lay flat properly. Still in all, it is readable, and that's what matters. The PDF is in grey-scale to save on ink if printing out a segment.

http://www.earlytelevision.org/tv_sc...broadcast.html

The schematic diagrams at the end are pretty difficult to read in the PDF, so I have uploaded Hi-Res copies here.


Last edited by benman94; 04-04-2018 at 04:28 PM.
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  #32  
Old 04-04-2018, 01:51 PM
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That link simply does not work! At all. A message says the URL is malformed. Perhaps you could upload it to the ETF?

The schematics simply don't work either. Blank page.
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  #33  
Old 04-04-2018, 03:08 PM
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Quote:
Originally Posted by benman94 View Post
Try this link for the manual: https://document.li/jx29
When I tried that link, all the anti-virus software on my machine blew up, claiming it's an unsafe URL (which may or may not be true, but . . . ).

Phil Nelson
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  #34  
Old 04-04-2018, 03:44 PM
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Quote:
Originally Posted by Phil Nelson View Post
When I tried that link, all the anti-virus software on my machine blew up, claiming it's an unsafe URL (which may or may not be true, but . . . ).

Phil Nelson

I don't believe the site has any viruses, but I run a Linux machine so my antivirus responds differently to what are very different threats. To err on the side of caution, don't use that link. Just grab it from the ETF here:

http://www.earlytelevision.org/tv_sc...broadcast.html

Last edited by benman94; 04-04-2018 at 04:29 PM.
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  #35  
Old 04-04-2018, 04:16 PM
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All of the thumbnails of the schematic show up on my MacBook pro computer.

-Steve D.
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Last edited by Steve D.; 07-28-2018 at 02:01 PM.
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  #36  
Old 04-04-2018, 05:04 PM
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dtvmcdonald dtvmcdonald is offline
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The thumbnails show up on my computer, but when I click on them, I get a page
that gives the EXIF data if you click a button, but a blurry full screen image appears
for about 1/4 second and then that area of the screen turns blank.
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  #37  
Old 04-04-2018, 05:25 PM
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Quote:
Originally Posted by dtvmcdonald View Post
The thumbnails show up on my computer, but when I click on them, I get a page
that gives the EXIF data if you click a button, but a blurry full screen image appears
for about 1/4 second and then that area of the screen turns blank.
Strange how computers or servers vary. I can blow up each thumbnail and get very clear images of any section of that thumbnail. This is a screen shot. Even clearer looking directly at screen.

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File Type: jpg IMG_1596.jpg (92.0 KB, 13 views)
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  #38  
Old 04-04-2018, 05:31 PM
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benman94 benman94 is offline
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Quote:
Originally Posted by Steve D. View Post
Strange how computers or servers vary. I can blow up each thumbnail and get very clear images of any section of that thumbnail. This is a screen shot. Even clearer looking directly at screen.

-Steve D.
This is the "normal" behavior of images posted to imgbb. My Windows machine, my main Linux machine, my phone, my tablet, and my significant other's Mac all act like Steve's Mac. I'm at a loss to explain the issue.

In any case, I've sent you an email with the full-size images linked to above Doug. Check your email.
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  #39  
Old 04-04-2018, 09:48 PM
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dtvmcdonald dtvmcdonald is offline
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I got the ones sent by email. They are quite a bit sharper but more artifact ridden and
grayer than the screen shot. I cleaned them up and sent them to the ETF.

Its clear that people's mileage will vary.

Oh yes: do people have screen shots of these things? The monitors I mean,
showing color pictures.

My counting on fingers is probably inaccurate but it says 61 tubes.

Last edited by dtvmcdonald; 04-04-2018 at 10:26 PM.
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  #40  
Old 04-04-2018, 11:04 PM
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Quote:
Originally Posted by dtvmcdonald View Post
I got the ones sent by email. They are quite a bit sharper but more artifact ridden and
grayer than the screen shot. I cleaned them up and sent them to the ETF.

Its clear that people's mileage will vary.

Oh yes: do people have screen shots of these things? The monitors I mean,
showing color pictures.

My counting on fingers is probably inaccurate but it says 61 tubes.
Did you account for dual section tubes like the 12AX7 and 6080? I would not be surprised if there were 61 tube sections, but there are probably substantially fewer actual tubes.
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What I want. --> http://www.videokarma.org/showpost.p...62&postcount=4

Reading between the scan lines since the mid 2000's.
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  #41  
Old 04-05-2018, 12:34 AM
mrjukebox160 mrjukebox160 is offline
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It does indeed have 61 tubes + the CRT!
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  #42  
Old 04-05-2018, 12:24 PM
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I'm getting 12 tubes in the video amplifier, 24 in the decoding chassis, 18 in the deflection chassis, and 10 in the power supply, plus 1 CRT, so 65 tubes?
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  #43  
Old 04-06-2018, 12:03 AM
mrjukebox160 mrjukebox160 is offline
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Look again there are a few "not used" spaces.
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  #44  
Old 04-06-2018, 06:53 AM
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Quote:
Originally Posted by mrjukebox160 View Post
Look again there are a few "not used" spaces.
You're right of course. One tube is listed as a "spare" and two others are simply listed as "not used" as you said. Weird.

Anyway, there are three of them, so your total of 61 plus the CRT, or 62 total, must be correct.
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