Kenwood TS 570S Manual

The Kenwood TS 570S is a high-performance HF/50MHz amateur radio transceiver featuring 100W output power, built-in antenna tuner, DSP filtering, multiple operating modes including SSB, CW, AM, FM, and RTTY, dual VFOs, IF shift, noise blanker, and comprehensive memory functions. Below are key sections for operation, features, installation, setup, specifications, and troubleshooting.

Features at a Glance

Key components: Main transceiver unit, microphone, power cable, remote control head (if applicable), antenna connectors, accessory ports.

Feature	Description
Frequency Coverage	1.8-30MHz + 50-54MHz amateur bands
Output Power	5-100W adjustable (SSB/CW/AM/FM)
Built-in Antenna Tuner	Automatic and manual tuning capability
DSP Filtering	Digital Signal Processing for enhanced receive
Operating Modes	LSB/USB/CW/AM/FM/RTTY
Dual VFOs	Independent VFO A and VFO B operation
IF Shift	Intermediate Frequency shift control
Noise Blanker	Pulse noise reduction circuit
Memory Channels	99 memory channels with alphanumeric tags
Power Requirements	13.8V DC ±15% (negative ground)

Installation

Unpack and inspect contents. Place on stable surface with adequate ventilation.

1. Connect power supply: Use 13.8V DC power cable, ensure proper polarity.
2. Connect antenna: Use SO-239 connector for main antenna; ensure proper impedance matching.
3. Connect microphone: Use 8-pin DIN connector for supplied microphone.
4. Connect accessories: Use rear panel connectors for external speakers, keyers, or data interfaces.
5. Grounding: Connect chassis ground terminal to station ground.

WARNING! Ensure proper ventilation; do not block cooling vents. Use appropriate fusing in power line.

First-Time Setup

Power on transceiver; initialize settings.

1. Set operating frequency: Use main dial to select desired amateur band.
2. Configure antenna tuner: Press TUNE button and follow automatic tuning procedure.
3. Set operating mode: Select LSB/USB/CW/AM/FM/RTTY as required.
4. Adjust audio: Set RF power, microphone gain, and audio filters.
5. Program memories: Store frequently used frequencies and settings.

CAUTION! Ensure antenna is properly connected before transmitting to prevent damage.

Specifications

• Frequency Range: 1.8-30MHz + 50-54MHz (amateur bands only)
• Output Power: SSB/CW/FM: 5-100W; AM: 5-40W carrier
• Receiver System: Double conversion superheterodyne
• IF Frequencies: 1st IF: 69.011MHz; 2nd IF: 455kHz
• Sensitivity: SSB/CW: 0.25μV for 10dB S/N; AM: 2.0μV for 10dB S/N
• Selectivity: SSB: 2.4kHz; CW: 500Hz; AM: 6kHz; FM: 15kHz
• Antenna Impedance: 50 ohms unbalanced
• Power Supply: 13.8V DC ±15%, approx 22A max
• Dimensions: 240(W) × 95(H) × 280(D) mm
• Weight: Approx 4.5 kg

Controls and Settings

Front Panel: POWER, RF POWER, AF GAIN, RF GAIN, MODE, FILTER, NB, AGC, VFO A/B, MEMORY, TUNE.

Menu Functions: DISPLAY (contrast, backlight), SET (beep, time-out timer), FUNCTION (various operational settings).

Audio: AF GAIN, MIC GAIN, monitor level. RF: RF POWER, RF GAIN, AGC (fast/slow/off). Filter: IF SHIFT, WIDTH, NOTCH, DSP settings. Memory: Store/recall 99 channels with alphanumeric tags.

Connecting Accessories

Rear Panel: ANT connector, ACC1/ACC2 sockets, ground terminal, DC power input.

1. External speaker: Connect to rear panel speaker jack.
2. Data interface: Use ACC1 for computer control or digital modes.
3. CW keyer: Connect straight key or electronic keyer to ACC2.
4. External tuner: Use ANT2 connector for additional antenna matching.

Tip: Always power off when connecting/disconnecting accessories.

Operating Modes

Supports SSB, CW, AM, FM, and RTTY operation.

1. SSB Operation: Select LSB for 160m-40m, USB for 20m-10m/6m.
2. CW Operation: Use CW mode with adjustable filter width and sidetone.
3. AM Operation: For AM broadcast and amateur AM operation.
4. FM Operation: For VHF FM operation on 6m band.
5. RTTY Operation: Use with external TNC or sound card interface.
6. Split Operation: Use dual VFOs for cross-band or repeater operation.
7. Tuning: Automatic antenna tuner covers 1.8-30MHz with SWR < 3:1.

WARNING! Do not transmit without proper antenna load. Monitor SWR during operation.

Memory Functions

99 memory channels store frequency, mode, filter settings, and alphanumeric tags.

1. Store memory: Tune to desired frequency/mode, press MEMORY, select channel number.
2. Recall memory: Press MEMORY, select channel, press VFO/MR to activate.
3. Memory clear: Hold MEMORY while turning power on to clear all memories.
4. Memory scan: Scan through programmed memory channels.
5. Home channels: Program frequently used frequencies for quick access.

Care & Maintenance

Keep unit clean and dry. Use soft cloth for cleaning; avoid chemical cleaners.

Regular maintenance:

• Check antenna connections for corrosion
• Verify proper power supply voltage
• Clean front panel and controls periodically
• Update firmware if available

CAUTION! Do not use liquids; keep away from moisture and extreme temperatures.

Regulatory Information

FCC Part 97: Certified for amateur radio service. CE compliant for European markets. Copyright © Kenwood Corporation. For technical support and service, contact authorized Kenwood service centers or visit www.kenwood.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection/fuse	Check DC power cable; verify fuse; ensure proper polarity.
No transmit	Settings/connections	Check PTT operation; verify microphone connection; check RF power setting.
Poor reception	Antenna/tuning	Verify antenna connection; retune antenna tuner; check antenna system.
Memory lost	Backup battery	Internal backup battery may need replacement; contact service center.
Tuner not working	SWR/connections	Check antenna SWR; ensure tuner covers frequency; verify connections.

Reset: Hold FUNCTION while turning power on to reset to factory defaults.

Service: Contact authorized Kenwood service center for repairs.