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About RF Cafe

Kirt Blattenberger - RF Cafe WebmasterCopyright
1996 - 2016
Webmaster:
Kirt Blattenberger,
 BSEE - KB3UON

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

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Belmont Model 5240 Schematic & Parts List
July 1948 Radio News Article

July 1948 Radio News

July 1948 Radio & Television News Cover - RF Cafe[Table of Contents]

These articles are scanned and OCRed from old editions of the Radio & Television News magazine. Here is a list of the Radio & Television News articles I have already posted. All copyrights are hereby acknowledged.

Belmont Radio Corporation was located in Chicago, Illinois. Founded independently sometime the 1920s, it became a subsidiary of Raytheon Manufacturing after World War II in an effort to quickly launch the Raythen into nascent consumer FM radio and television markets. Belmont advertisements were prominent in electronics trade magazines throughout 1940 to promote their war efforts. A schematic and parts list for this Belmont Model 5240 appeared in the July 1948 edition of Radio News.

Schematics & Parts List

Belmont Model 5240 Schematic, July 1948 Radio News - RF Cafe

Belmont Model 5240 Schematic

Belmont Model 5240 Parts List, July 1948 Radio News - RF Cafe

Belmont Model 5240 Parts List

 

 

Posted June 17, 2015

Radio Service Data Sheets

These schematics, tuning instructions, and other data are reproduced from my collection of vintage radio and electronics magazines. As back in the era, similar schematic and service info was available for purchase from sources such as SAMS Photofacts, but these printings were a no-cost bonus for readers. There are 152 Radio Service Data Sheets as of November 14, 2016.