Radio Repair Course-NRI Manuals Restore Coils 

(91 Volumes in Black & White) on USB Flash Drive

This item is delivered on a USB Flash Drive readable on all computers. The files are in PDF format to view, copy or print them easily.

Sometime a manual part or schematics may be missing. If you need a particular service manual part, please send me a message before buying and I will check if it is included

National Radio Institute Radio Course 1948 - 55 Books

How to Make Extra Money Fixing Radios 1949 - 36 Books 

​​​​​​​​​​​​​​You will receive:

​​​​​​​ Vol-01 Introduction-to-Radio 

 Vol-02 How-Radio-Programs-Are-Sent-From-The-Studio-To-Your-Home 

 Vol-03 Simple-Radio-Circuits-And-Meters 

 Vol-04 Getting-Acquainted-With-Receiver-Servicing 

 Vol-05 Radio-Resistors-And-How-They-Are-Used 

 Vol-06 Radio-Coils-And-How-They-Work 

 Vol-07 Radio-Condensers-And-How-They-Work 

 Vol-08 How-Radio-And-Electronic-Tubes-Work 

 Vol-09 How-Tuned-Circuits-Function Coupling-Radio-Circuits 

 Vol-10 How-Tubes-Work-In-Typical-Radio-Stages 

 Vol-11 How-Iron-Core-Coils-And-Transformers-Operate-In-Radio-Circuits 

 Vol-12 How-Operating--Voltages-Are-Obtained-From-An-A.C.-Power-Line 

 Vol-13 Special-Power-Supplies-For-Radio-Equipment 

 Vol-14 How-Sounds-And-Scenes-Are-Converted-Into-And-Reproduced-From-Electrical-Signals 

 Vol-15 Low-Frequency-Amplifiers-For-Sound-And-Television-Receivers 

 Vol-16 Radio-Frequency-Amplifiers-For-Sound-And-Television-Communication 

 Vol-17 How-Detectors-Work-In-Radio-And-Television-Receivers 

 Vol-18 How-Practical-Requirements-Changed-Receiver-Circuits 

 Vol-19 Manual-And-Automatic-Volume-Controls 

 Vol-20 How-Signal-Currents-Are-Kept-In-Correct-Paths 

 Vol-21 The-Vacuum-Tube-As-An-A.C.-Generator-In-Radio-Television-Circuits 

 Vol-22 Peak-And-Band-Pass-R.F.-Tuning-Circuits 

 Vol-23 How-Broadcast,-All-Wave,-And-Television-Superheterodyne-Receivers-Work 

 Vol-24 Tone-Control,-Volume-Expansion-And-Noise-Limiting-Circuits 

 Vol-25 Light-Sensitive-Cells-For-Control-Circuits 

 Vol-26 How-Sound-Reproducers-Operate 

 Vol-27 How-Cone-Type-Loudspeakers-Work 

 Vol-28 Current,-Voltage-And-Resistance-Measurements 

 Vol-29 Vacuum-Tube-Voltmeters Cathode-Ray-Oscilloscopes 

 Vol-30 Measurements At Audio And Radio Frequencies

 Vol-31 Tuning-Indicators-And-Automatic-Frequency-Controls-For-Radio-Receivers 

 Vol-32 How-To-Use-Circuit-Diagrams-And-Locate-Chassis-Parts fixed 

 Vol-33 Behavior-Of-Radio-Waves-And-Receiving-Antennas

 Vol-34 Frequency-Modulated-Signals The-F.M.-Receiver 

 Vol-34 How-To-Use-Circuit-Diagrams-And-Locate-Chassis-Parts fixed 

 Vol-35 Automatic-Tuning-Control-Systems 

 Vol-36 Professional-Radio-Servicing-Techniques 

 Vol-37 How-To-Isolate-The-Defective-Section-And-Stage 

 Vol-38 How-To-Isolate-The-Defective-Circuit-And-Part 

 Vol-39 Tuning-Circuit-Troubles Alignment 

 Vol-40 Using-The-Cathode-Ray-Oscilloscope-In-Radio-Servicing 

 Vol-41 How-To-Eliminate-Hum,-Squeals-And-Motorboating 

 Vol-42 How-To-Eliminate-Distortion Servicing-Loudspeakers(1) 

 Vol-42 How-To-Eliminate-Distortion Servicing-Loudspeakers 

 Vol-43 Servicing-Noisy-And-Intermittent-Receivers 

 Vol-44 Installation-And-Service-Of-Auto-Radios-And-Farm-Receivers 

 Vol-45 Receiver-Revitalization Tube-Testers 

 Vol-46 How-To-Eliminate-Man-Made-Interference 

 Vol-47 How-To-Choose-And-Install-Replacement-Parts 

 Vol-48 Servicing-Record-Changers 

 Vol-49 Introduction-To-Public-Address 

 Vol-50 Acoustics-In-Public-Address-Work 

 Vol-51 P.A.-Transmission-Systems 

 Vol-52 Commercial-P.A.-Systems 

 Vol-53 Special-P.A.-Systems 

 Vol-54 Maintenance-Of-P.A.-Systems 

 Vol-55 Requirements-Of-A-Television-System 

NRI Radio Servicing Course (1949) - 36 Books

 Vol-56 How-Radio-Receivers-Are-Serviced 

 Vol-57 How-To-Use--Radio-Tools 

 Vol-58 Equipment-Used-By-Servicemen 

 Vol-59 How-To-Remove-and-Overhaul-The-Chassis 

 Vol-60 How-To-Restring-Dial-Cords-And-Set-Push-Buttons 

 Vol-61 How-To-Test-And-Replace-Resistors-And-Volume-Controls 

 Vol-62 How-To-Test-And-Replace-Condensers 

 Vol-63 How-To-Test-Tubes 

 Vol-64 How-To-Test-And-Replace-Coils,-Chokes,-And-Transformers 

 Vol-65 How-To-Test-And-Repair-Loudspeakers 

 Vol-66 How-To-Inspect-A-Chassis-For-Surface-Defects 

 Vol-67 How-To-Put-Up-Antennas 

 Vol-68 How-To-Repair-Marred-Radio-Cabinets 

 Vol-69 How-To-Start-A-Spare-Time-Service-Business 

 Vol-70 How-Much-To-Charge-For-Your-Work 

 Vol-71 How-To-Plan-A-Professional-Workshop 

 Vol-72 How-Professional-Servicemen-Repair-Receivers 

 Vol-73 How-Circuit-Diagrams-Are-Used-In-Servicing 

 Vol-74 How-To-Find-The-Defective-Part-With-An-Ohmmeter 

 Vol-75 How-To-Find-The-Defective-Part-With-A-Voltmeter 

 Vol-76 How-To-Fix-A-Dead-Receiver 

 Vol-77 How-To-Fix-A-Receiver-That-Hums 

 Vol-79 How-To-Fix-A-Noisy-Receiver 

 Vol-80 How-To-Fix-A-Receiver-That-Distorts 

 Vol-81 How-To-Align-Simple-One-Band-Receivers 

 Vol-82 How-To-Align-All-Wave-Superheterodynes 

 Vol-83 How-To-Fix-A-Weak-Receiver 

 Vol-84 How-To-Fix-An-Intermittent-Receiver 

 Vol-85 How-To-Service-A.C.-D.C.-Receivers 

 Vol-86 How-To-Service-Three-Way-Portable-and-Battery-Receivers 

 Vol-87 How-To-Service-Auto-Receivers 

 Vol-88 Recognizing-Complaints-Not-Caused-By-Receiver-Defects 

 Vol-89 How-To-Service-F.M.-Receivers 

 Vol-90 How-To-Go-Into-Full-Time-Servicing 

 Radio-Receiver-Troubles Reference-Text-14X-2