SWAN

Operation and Maintenance

SWAN Model 240

Single Sideband Transceiver

Contents

NOTE FROM THE PRODUCER ORIGINAL COVER 1960's
General Description page 1 Fig. 4 Component Arrangement bottom
Specifications page 2 & 3 Thermal Stability, FM, Service Adju.
III Circuit Theory page 4 Carrier Freq. Adj.
Tuning  page 5 Fig.  7. Crystal Filter Response Char.
Transmit page 6 Filter Align, Coils, & Transformer Alig.
Receive page 6 & 8   Dial Set & VFO Cal, Power Amp Neutral.
Block Diagram, Receive Mode page 7 Trouble Shooting page 26
Tune page 8 Voltage Chart page 27
Crystal Filter page 9 Mods, AM, AM Rec Mod, CW Mod. page 28
Balanced Modulator page 9 Fig. 7 AM Receiver Mod page 29
Controls page 9, 10 & 11 Freq Range page 30
Installation page 12 VIII Parts List page 31
Speaker & Microphone Connections page 13 Parts List Cont. page 32
Antenna page 13 & 14 Parts List Cont. page 33
V. OPERATION  Receiving page 15 Parts List Cont. page 34
Transmitting page 16 Parts List Cont. page 35
Transmitting Continued page 17 Parts List Cont. page 36
VI.  Adjustments and Maintenance page 18 Parts List Cont. page 37
Fig. 3. Component Arrangement top view Schematic page 38