Try your large public library for Sams' photofacts. I found a 3" TV of
from around 1948 at a yard sale. There was no problem finding a complete
set of Sams' service information including full schematics, parts list (of
course, finding suitable parts like tubes in the 1990s may be a bit more
difficult than when this set was new!), troubleshooting procedures, etc.
Someday, I may even get around to fixing it. All the paper capacitors are
leaky (for starters).
|NotTaR of Television Sets : Service manuals for really old TVs
1994-2007, Samuel M. Goldwasser. All Rights Reserved. Reproduction of this document in whole or in part is permitted if both of the following conditions are satisfied: 1. This notice is included in its entirety at the beginning. 2. There is no charge except to cover the costs of copying.
I may be contacted via the Sci.Electronics.Repair FAQ (www.repairfaq.org) Email Links Page.
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BTW, the case for this 3" TV is about 18" x 10" x 15" and it includes
a handy option: a 6 inch semispherical water filled magnifier. The CRT is
an oscilloscope tube. Not your modern portable!