Pilot TV-37
1949
The Pilot TV-37 was one of the first economy televisions that sold for under $100 in the late forties. The Pilot used a three-inch 3KP4 CRT with white phosphor. The 3KP4 CRT in working condition is extremely rare and difficult to find so many times a green phosphor oscilloscope CRT is used as a replacement. This particular Pilot first came in my possession in 2005 as a mere chassis with a dead 3KP4 CRT and no tubes. I rebuilt the chassis from the ground up and the cabinet was created using thick plexiglass. Read more on the rebuild notes.

Schematic: pilottv37schem.pdf (2.5MB)

 
 
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Jon Stanley