January 2014
I found an old transistor radio in my parent's attic. It's one of the first transistor radios made by RCA. Is there a good source for schematics on old radios and other electronics? I've tried the usual Google searches, but turned up nothing.
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Have you tried SAMS Photofact?: www.theschematicman.com - They probably had one for that radio, it's in the correct time frame. You'll need the make (RCA) and model number, perhaps even a version number on the circuit board. But, I don't know about radios, it did help when I was working on TVs.
Rider schematics were published up to 1954, too early to have included your radio which was probably made in the early 1960s. Howard W. Sams photofact service folders started in 1946 and may be still in production. I have an index which I believe I downloaded from www.servicesoftware.com in 2010. It lists 16,283 RCA schematics of radios, televisions, record players, and the like so if a schematic of your radio exists, it should be there. All you need is the model number to find it. I don't know the cost to download a schematic but it is not free.
You can also check https://www.samswebsite.com/
Whether it's an old radio, TV, test instrument, audio gear — anything "antique", including older transistor radios, go to www.antiqueradios.com and check out their forum, especially under the section "transistor radios". This is the best source for help with antique electronics anywhere on the Internet.
