Science & Technical Reports: Frequently Asked Questions

For older circuitry we refer to the following items that are in the collections of the Library of Congress:

Rider's Specialized Manuals:

• Perpetual Trouble Shooter's Manual 1931- 1954 and Indexes 1931-1947
• AM-FM Hi-Fi Tuner Manual, 1950- 
• Home Radio Manual, 1951-1953 
• Television Manual, 1948-1960 
  • Television Manual Combination Index

SAM's

• Auto Radio Manual, 1950-1954 

Radcraft (or Gernsback) Publications

• Official Radio Service Manual, 1931-1938 

Supreme Publications

• Most-Often-Needed Television Servicing Information, 1947-1969 

For most recent as well as for older circuitry of radios and televisions we most often refer to SAMS Photofact. SAMS publishes repair manuals containing printed schematics and technical service data for different models and brand names covering a wide variety of consumer electronic equipment. A bound set of schematics for televisions, computers (computerfacts) and VCRs (VCRfacts) are available in the Library's Technical Reports and Standards Unit. Other titles / editions by Howard W. Sams & Co. can be found in the Library of Congress general collection. Users can find the Sams number by searching the Sams PHOTOFACT® Repair Schematics website by brand names or model numbers to help identify and request schematics held in the Library.