J.E. Sugden R21 and R51 Stereo VHF FM Tuner Service Manual

J.E. Sugden
R21 and R51 VHF FM Tuner
Service Manual

Installation, operation and circuit diagrams for the Sugden R21 and R51 FM tuners.  Click the thumbnails to enlarge

Sugden R21 and R51 Stereo VHF FM Tuner Service Manual

Specifications
Specifications

Sugden R21 and R51 Stereo VHF FM Tuner Service Manual

installation
installation
Operation
Operation

Sugden R21 and R51 Stereo VHF FM Tuner Service Manual

VHF Tuner Circuit Diagram
VHF Tuner Circuit Diagram
IF Amplifier circuit diagram
IF Amplifier circuit diagram
Multiplex Decoder circuit diagram (earlier models)
Multiplex Decoder circuit diagram (earlier models)
Multiplex decoder circuit diagram (later models)
Multiplex decoder circuit diagram (later models)
Extending range
Extending range