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Old 03-26-2012, 08:56 PM
Aussie Bloke's Avatar
Aussie Bloke Aussie Bloke is offline
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Join Date: May 2004
Location: NSW, Australia
Posts: 560
Question about my 1940s Andrea VJ12 TV chassis

G'day all.

Last year I picked up from a TV collector an imported late 1940s Andrea VJ12 TV chassis without a cabinet and with 2 radar tubes which were used for it instead of it's 12LP4/12JP4 tube http://www.troysvintagevideo.741.com/andrea.html .

I have since replaced most of the wax paper and bumblebee paper capacitors in the set with mylar caps and have recently unhooked the two mains transformers and tested them and they are working good.

Now I am wondering whether or not this TV set has been modified to run off 240V 50hz Australian standard mains power or if it was left to run off original US 120V 60hz standard mains power which leads to me to my question.

Here below are schematics of the two mains transformers ST-3004 and ST-3005 which I put 120V into using a variac both giving identical output voltages. So here's my question, are these transformers the original mains transformers giving the correct output voltages for the TV or are they modified transformers for Australian 240V standard?

I've got the service manual with schematics but it doesn't say diddly squat of what the transformer's output voltages should be.

Anyhow I hope to get this TV working in the near future should all go smoothly with the restoration.
Attached Images
File Type: jpg VJ12 transformers.jpg (41.9 KB, 33 views)
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