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 Post subject: Zenith Trans-Ocianic H500 schematic
PostPosted: Jun Sat 19, 2021 9:31 pm 
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Joined: May Mon 03, 2021 2:52 pm
Posts: 12
Hello from sunny (HOT) Tucson, AZ
I am looking for a clear copy of the schematic for a Zenith Trans Oceanic H500. There are 2 versions of it. One has a 1U5 tube, which is common, and the other less common, has a 1S5 tube. I need the one with the 1S5 tube.I have been able to get a copy off the internet, but the quality is poor , and I can’t read everything. Any help would be GREATLY appreciated! Thank you,
Bill Daugherty


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 Post subject: Re: Zenith Trans-Ocianic H500 schematic
PostPosted: Jun Sat 19, 2021 11:14 pm 
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Joined: Jan Tue 31, 2012 1:55 am
Posts: 18305
Location: Mountains of Mourne. Ireland.
Schematic page one and two shows 1S5 Det. Amp.
→ https://web.archive.org/web/20120722121 ... /h-500.htm

from here...
Nostalgia air - Transoceanic resource library.
This archived page June 8 2012 works for all downloads.
https://web.archive.org/web/20120608163404/http://www.transoceanic.nostalgiaair.org/

------------

Chassis variations...
viewtopic.php?p=1128104#p1128104

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arf member Badrestorer’s Illustrated Guide to
Restoring the Zenith Trans-Oceanic H500
http://www.renovatedradios.com/articleP ... nGuide.pdf 43.5MB 108-pages

John Kopp aka Badrestorer aka joernone's youtube radio restoration channel...
viewtopic.php?p=3206030#p3206030

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Sams Photofact attached below.


Attachments:
SAMS 152-12.pdf [5.4 MiB]
Downloaded 23 times
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 Post subject: Re: Zenith Trans-Ocianic H500 schematic
PostPosted: Jun Sat 19, 2021 11:26 pm 
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Joined: Mar Tue 30, 2010 2:24 am
Posts: 9142
Location: Lehighton, PA.
There are 5 chassis variations.

Here are the five chassis variations, courtesy of Badrestorer's thread:

Introduction, baseline: Uses a 1S5 tube for the Det/AVC/AF. Has a dual-pin earphone jack.

Revision A: Uses a 1U5 tube for the Det/AVC/AF. Tube socket is wired differently from the 1S5. Also has a dual-pin earphone jack.

Revision B: Uses the 1U5 and earphone jack has been changed to a single 1/4-inch jack.

Revision C: Uses the 1U5 and has a single earphone jack. Low voltage switch was added for line voltages less than 110vac.

Revision D: Uses the 1U5, has single earphone jack and low voltage switch. A socket was added for an optional 50A1 ballast tube.

Make sure you get the correct schematic.

Larry

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 Post subject: Re: Zenith Trans-Ocianic H500 schematic
PostPosted: Jun Sun 20, 2021 12:44 am 
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Joined: Mar Sun 21, 2021 1:09 am
Posts: 68
Location: green valley az
I have a Photofact Folder for a H500 (5H40) the date on it is 11/51 And it says SET 152 FOLDER12.
If you think this might be what you need I can make a copy of it. I am in Green Valley so no problem getting it to you. Let me know

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"Time is more like a big ball of wibbly wobbly timey wimey stuff"


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 Post subject: Re: Zenith Trans-Ocianic H500 schematic
PostPosted: Sep Sat 25, 2021 3:34 pm 
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Joined: Aug Tue 31, 2021 6:36 pm
Posts: 9
Location: Delaware, Ohio, USA
Guys,
I do have a 500 which I will be working on as soon as the 600 is up and running.

The chassis number on the 600 is 6A41.

The Sam's Photofact for the 500 is outstanding!

Does anyone have one for the 600 / Chassis 6A41 or know where I can get one?

Thanks!

-john


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 Post subject: Re: Zenith Trans-Ocianic H500 schematic
PostPosted: Sep Sat 25, 2021 3:39 pm 
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Joined: Aug Tue 31, 2021 6:36 pm
Posts: 9
Location: Delaware, Ohio, USA
Nevermind guys, I found the Sam's PhotoFact site and downloaded the one for the 600, these are great, just expensive if you have to do this for every radio in the collection!

-john


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 Post subject: Re: Zenith Trans-Ocianic H500 schematic
PostPosted: Sep Sat 25, 2021 3:46 pm 
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Joined: Aug Tue 31, 2021 6:36 pm
Posts: 9
Location: Delaware, Ohio, USA
For anyone who needs this, here is the Sam's for model 600, Chassis 6040 & 6041.


Attachments:
Sam Model 600 Chassis 6040-41.pdf [3.18 MiB]
Downloaded 21 times
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 Post subject: Re: Zenith Trans-Ocianic H500 schematic
PostPosted: Sep Sat 25, 2021 10:40 pm 
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Joined: Dec Tue 23, 2014 6:51 pm
Posts: 2364
Location: N. Palm Bch, Fl.
The 6040 and the 6041 are exactly the same. Only difference is the color of he dial face which is brown on the 6041 chassis.

Freeman


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