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General| Modes | SSB, CW, AM, FM |
|---|---|
| Power Output SSB/CW/FM | 100 W |
| Power Output FM | 100 W |
| Impedance | 50 ohms |
| Supply Voltage | 13.8 V DC ±15% |
| Current Drain TX | 20 A |
| Power Output AM | 25 W |
| Receiver Sensitivity SSB/CW | 0.25 μV (10 dB S/N) |
| Image Rejection | >70 dB |
| Selectivity CW | 500 Hz (-6 dB) |
| Selectivity AM | 6 kHz (-6 dB) |
| Selectivity FM | 15 kHz (-6 dB) |
Details physical characteristics, types, and markings of capacitors and resistors.
Describes methods, precautions, removal, and installation of chip components.
Explains the procedure for soldering a new chip component.
Describes how to access the transceiver's internal units for servicing.
Details lithium battery replacement, backup switch, and case cover screws.
Details front panel access and pilot lamp replacement.
Outlines necessary test equipment and general precautions for alignment.
Instructions for Local Unit, Reference Oscillator, DDS checks, and PLL alignment.
Adjusts S-meter, IF gain, squelch, PA current, and ALC meter.
RF power, CM coupler, TX IF gain, ALC sensitivity, PO meter, and SWR turndown.
SSB modulator balance, AM output, CW delay, and carrier point settings.
High-level overview of the transceiver's functional blocks.
Shows how different units connect within the transceiver.
Detailed schematic and component layout for the Main Unit.
Comprehensive list of components for the Main Unit.
Detailed schematic and component layout for the Local Unit.
Comprehensive list of components for the Local Unit.
Schematic and component list for the DDS-1 Unit.
Schematic and component list for the DDS-2 Unit.
Schematic and component list for the Display Unit.
Schematic and component list for the LPF Unit.
Schematic and component layout for the PA Unit.
Comprehensive list of components for the PA Unit.
Circuit diagram for the VR-A unit.
Circuit diagram for the VR-B unit.
Circuit diagram for the VR-C unit.
Circuit diagram for the VR-D unit.
Parts list for the VR-A unit.
Parts list for the VR-B unit.
Parts list for the VR-C unit.
Parts list for the VR-D unit.
Layout for SW-A unit components.
Layout for SW-B unit components.
Layout for SW-D unit components.
Layout for SW-C unit components.
Parts lists for SW-A and SW-B units.
Parts lists for SW-C and SW-D units.
Schematic and component list for the TCXO-4 optional unit.
Schematic and component list for the FM Unit-747 optional unit.
Circuit diagram for the YF-112A optional unit.
Circuit diagram for the YF-112C optional unit.
Shows how the FC-10 option connects to the transceiver.
Component layout for the FC-10 interface unit.
Component list for the FC-10 option.
Circuit diagram for the tuner control unit.
Component layout for the tuner control unit.
Component list for the FC-10 tuner control unit.
Specification and exploded view for the MH-1 B8 microphone.
Specification and exploded view for the MD-1cs microphone.
Technical specifications for the YH-77ST headphones.
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