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In this guide you will find selected electronic circuits, ways to troubleshoot them, and known component failures. Some actual case-history problems will also be given. In some TV circuits a photo of the picture symptoms will be provided. Voltage, resistance, and oscilloscope waveforms will be included where applicable.
Included in this guide you will find tube type, transistor, IC, microprocessor, analog and digital logic circuits for various consumer electronic devices. Old and new circuits will be found along with the types of electronic equipment in which the circuits are found.
The electronic circuit reference data in this guide will give you up-to-date troubleshooting and theory of operation information to assist you in keeping on top of today's advanced space age electronic systems.
In all, 30 years [as of March 1981] of electronic troubleshooting experience and know how has been collected and presented in this reference guide for your convenience and enlightenment.
I wish to thank the following Electronics Companies and their personnel for all of the technical information and circuit diagrams that they furnished for this guide.
Sylvania - GTE
Radio Shack - Dave Gunzel
Sencore, Inc. - Mr Bowden and Greg Carey
General Electric Co.
Quasar Electronics - Charlie Howard
Sony Corporation of America - Howard L. Katz
B & K Dynascan Corp. - Myren E. Bond
Zenith Radio Corp. -James F. White
Continental Specialities Corp.
The Electra Company - Bearcat Scanners
The Heath Company
NOTE: This guide is adapted from TAB book, HOW TO TROUBLESHOOT a REPAIR ELECTRONIC CIRCUITS, by Robert L. Goodman
Also see: Guide to using Audio Test Equipment