Resources: Equipment Manuals and Schematics

Below are links for manuals for equipment commonly used by Part 15 broadcasters. The schematics will aid those with the required technical background to troubleshoot and rehabilitate older, vintage equipment. Some of this equipment referenced here is actual broadcast equipment which may often be acquired economically on ebay.

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Audio Processing:

 CBS Labs Audimax 444 schematic only - (Mono) Early Version
 CBS Labs Audimax 444 / 445 manual - (Mono/Stereo)
 CBS Labs Volumax 400 schematic (Mono)
 CBS Labs Volumax 410/411 manual (Mono/Stereo)
 Dorrough 310 Multiband Processor Manual (Mono)
 CRL - Circuit Research Labs Manuals - FTP Site
 Inovonics Download Page

Transmitter Manuals:

 ChezRadio Procaster - Online Manual
 Hamilton AM1000 Rangemaster Manual
 C. Crane Digital FM Transmitter Manual

Transmitter Technical Documents:

 Alfredo Torrejon C-QUAM AM Stereo Transmitter Assembly Info
 Alfredo Lite AM Stereo Transmitter Schematic (Chris Cuff version)









Attention Businesses:
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