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Anatech Electronics RF Microwave Filters - RF Cafe
Radio Circuit Page
January 1948 Radio News Article
January 1948 Radio News
January 1948 Radio News Cover - RF Cafe[Table of Contents]

Wax nostalgic about and learn from the history of early electronics. See articles from Radio & Television News, published 1919-1959. All copyrights hereby acknowledged.

In an effort to get as much service data as possible out to repair shops and do-it-yourselfers, the electronics magazines of yore often published clusters of just schematics and parts lists for radios, rather than publishing Radio Service Data Sheets, which were essentially Readers' Digest Condensed Versions of the kinds of service packages SAMS Photofact sold. Radio News, Radio & TV News, and Radio-Craft magazines put out most of the data. Most of the radio manufacturers would not even sell factory-prepared service data to anyone other than a licensed service dealer. Smaller electronics repair shops couldn't afford to buy all the service packs, and often relied on troubleshoot experience and the similarities of various models to get by without all the technical data. Usually that was good enough, until a particularly unique problem arose or a new line of products with new kinds of circuitry came out.

Radio Circuit Page

Radio Circuit Page, January 1948 Radio News - RF CafeRadio Circuit Page (Parts Lists), January 1948 Radio News - RF CafeHere, and on following pages, are circuit diagrams and parts lists of many new postwar radio receivers. Radio News will bring to you other circuits as quickly as possible after we receive them from manufacturers.

 

Truetone Model D4620

Westinghouse Model H-148

Wards Models 54BR-1501A, 1502A

Majestic Models 8S452, 8S473

RCA Models Q22A, Q32

Zenith Model 5G003ZZ

 

 

Posted March 28, 2022


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 255 Radio Service Data Sheets as of April 30, 2025.

Anatech Electronics RF Microwave Filters - RF Cafe


Exodus Advanced Communications Best in Class RF Amplifier SSPAs

Windfreak Technologies Frequency Synthesizers - RF Cafe