The Kenwood TS-690S is a high-performance amateur radio transceiver covering multiple HF bands with SSB, CW, and AM modes. This all-mode transceiver features built-in antenna tuner, digital signal processing, multiple filter options, memory channels, and comprehensive connectivity options. Below are key sections for operation, specifications, controls, installation, and troubleshooting.
Key components: Main transceiver unit, front panel controls, microphone connector, antenna ports, accessory connectors.
| Feature | Description |
|---|---|
| Frequency Coverage | 1.8-30 MHz amateur bands |
| Operating Modes | SSB, CW, AM, FM |
| Power Output | 100W PEP on SSB, 100W on CW |
| Built-in Antenna Tuner | Automatic and manual tuning |
| Memory Channels | 99 programmable memories |
| Digital Signal Processing | DSP filtering and noise reduction |
| IF Shift | Adjustable IF bandwidth |
| NB/ANL | Noise blanker and automatic noise limiter |
| VOX | Voice operated transmission |
| RF Preamp/Attenuator | Adjustable receiver sensitivity |
Unpack and inspect contents. Place on stable surface with adequate ventilation.
WARNING! Ensure proper grounding and follow electrical safety guidelines. Use appropriate fuses.
Power on transceiver; initialize settings.
CAUTION! Verify antenna system before transmitting. Start with low power.
Front Panel: POWER, AF GAIN, RF GAIN, MODE, FILTER, NB, ANL, VOX, AGC, ATT, PREAMP.
Main Controls: Main tuning knob, function keys, menu navigation, memory access.
Receiver: RF gain, AF gain, AGC (fast/slow), noise blanker, attenuator, preamp. Transmitter: Power output, microphone gain, compression, VOX delay. DSP: Filter bandwidth, IF shift, notch filter, noise reduction. System: Display contrast, backlight, time-out timer, lock function.
Microphone: 8-pin DIN connector. Antenna: SO-239 connector. Data: ACC connector for computer interface.
Tip: Use shielded cables for audio and data connections to reduce noise.
Supports SSB, CW, AM, and FM operation.
WARNING! Ensure you have proper license for intended operating mode and frequency.
99 memory channels for storing frequencies and settings.
Keep unit clean and dry. Avoid extreme temperatures and moisture.
CAUTION! Do not use chemical cleaners or sprays. Unplug before maintenance.
FCC Part 97: Complies with amateur radio service rules. CE compliant for European markets. Manufactured by Kenwood Corporation. For technical support and service, contact authorized Kenwood service centers. Always operate in accordance with local regulations and licensing requirements.
| Symptom | Possible Cause | Corrective Action |
|---|---|---|
| No power | Power connection/fuse | Check power cable and connections; verify fuse condition. |
| No transmit | Microphone/settings | Check microphone connection; verify PTT operation; check power settings. |
| Poor reception | Antenna/connections | Verify antenna connection; check coaxial cables; adjust preamp/attenuator. |
| Overheating | Ventilation/power | Ensure adequate ventilation; reduce power output; check duty cycle. |
| Memory loss | Backup battery | Replace internal backup battery; reprogram memories. |
Reset: Menu > System > Reset to factory defaults if available.
Service: Contact authorized Kenwood service center for repairs.