This section started life as a series of magazine articles which I wrote for ETI in the mid 1990s. Since that time it has been expanded, rearranged and generally changed to a structure more suited to a website rather than a magazine.
Comments, suggestions and corrections are gratefully received, via the Contact Me page.
Buying sets, spares, data, tools and test equipment
Buying sets
Buying spares and information
Dating sets
Tools & test gear
Workshop
Testing and repairing your valve radio
Disassembly
Initial checks and tests
Applying power for the first time
Further electrical work and repairs
How valves and valve radios work, typical faults and alignment
How do valves work?
Valve type numbers
Power supplies
Output stages
IF and RF stages
AM and FM alignment
Valve radio components
Capacitors
Resistors
Valves
Replacing components
More detailed valve radio information
TRF radios
Modifications
Dropper calculations
Philips high impedance speakers
Transistor Radio Operation and Repair
How Diodes and Transistors Work
Transistor Circuits and Biasing
Power Supply Arrangements
Output Stages (part 1)
Output Stages (part 2)
RF, IF and Detector Stages (AM)
VHF/FM Sets
Transistor Radio Faults
Transistors
Fault Finding
Alignment and Adjustment
Cleaning, restoration and enjoying
Tuning scale and drive restoration
Speaker and fabric restoration
Chassis restoration
Cabinet restoration
Using and enjoying your radio
And finally...