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MN Beitman - Simplified Radio Servicing by Comparison Method

“SIMPLIFIED RADIO SERVICING BY COMPARISON METHOD“ developed by M.N. Beitman (1945).

From the Preface

You are now being introduced to a remarkably simplified technique of radio repairing. This new way of finding radio faults and repairing them is so revolutionary in scope, so different in application, and so effective in results, that one can hardly believe in its true possibilities. But this method will (in contrast to all other servicing methods) in 90% of all cases isolate the fault in minutes instead of hours and without instruments, permit checking of parts and circuits quickly without any special testers, and can be used to an advantage by beginners and experts.

The comparison technique of radio servicing tells you what simple tests may be made to obtain electrical, visual, and other reactions from radio parts and circuits, and how to determine if the indications secured are what is to be expected from a properly functioning circuit, or what parts or stage to suspect. This method is a great simplification of radio servicing and calls for less knowledge, less time spent, and less instruments.

TOPICS COVERED
Symbols & Abbreviations
Preface and Introduction
What is Electricity?
Practical Electrical Facts
Facts About Resistors
Facts About Condensers
Electrolytic Condensers
Coils Used in Radios
Transformers and Chokes
Mechanics of Radio
Power Supply Circuits
Understanding Diagrams
Obtaining Replacement Parts
Facts on Vacuum Tubes
Similarity of Radio Tubes
Sylvania Radio Tubes Characteristics
How A Radio Works
What Goes Wrong
Only A Few Radio Types
How to Localize Trouble
Compare Circuits
Early A.C. TRF Sets
Screen Grid TRF Sets
Additional Facts on Midgets
4 Tube A.C. Midgets
Behavior of A.C. in Circuits
4 Tube AC-DC Midgets
Using Simplified Tests
Superhets 1930-1935
Older Small Superhets
Alignment and I.F.
AC-DC Modern Superhets
Facts About A.V.C.
Automatic Frequency Control
Separate Oscillator Super
Push-Button Tuning
Larger, Modern Superhets
Band Switching Methods
Early Auto Radios
Vibrator Power Supply
Modern Auto Sets
“Home” Battery Sets
Battery Portable Sets
Combination Portables
Power Supplies for Portables
Radio Testers
Tube Testers
Signal Generators
Public Address Systems
Amplifier Installation
Sound Amplification
Frequency Modulation
Television Facts
Communications Receivers
Inter-Communicators
Servicing Inter-Communicators
Errors in Measurements
Index to Topics

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