Kenwood TS-990 Manual

The Kenwood TS-990 is a high-performance HF/50MHz transceiver featuring advanced DSP technology, dual receivers, large color TFT display, built-in antenna tuner, USB connectivity, and comprehensive operating capabilities for amateur radio enthusiasts. Below are key sections covering features, installation, operation, specifications, and troubleshooting.

Features at a Glance

Key components: Main transceiver unit, Remote Control, Power supply unit, Antenna connectors, USB ports, Speaker outputs.

Feature	Description
Frequency Coverage	1.8-54 MHz (all amateur bands)
Output Power	5-200W adjustable
Dual Receivers	Independent main and sub receivers
Display	8-inch color TFT touch screen
Antenna Tuner	Built-in automatic antenna tuner
DSP Functions	Noise reduction, filters, notch
Connectivity	USB, LAN, RS-232C
Operating Modes	SSB, CW, AM, FM, RTTY, PSK
Memory Channels	Over 1000 memory channels
Power Requirements	13.8V DC ±15%

Installation

Unpack and inspect all components. Select appropriate operating location.

1. Connect power supply: Use supplied DC cable to connect to 13.8V power source.
2. Connect antennas: Use appropriate coaxial cables to ANT1 and ANT2 connectors.
3. Connect accessories: Microphone, speakers, and external devices as needed.
4. Grounding: Connect ground terminal for safety and noise reduction.

WARNING! Ensure proper ventilation; maintain clearance around unit for cooling.

First-Time Setup

Power on transceiver; follow initial setup procedure.

1. Language selection: Choose operating language from menu.
2. Time/Date setup: Configure system clock and date.
3. Antenna configuration: Set up antenna switching and tuner settings.
4. Operating preferences: Configure default modes and power settings.
5. Memory initialization: Clear and prepare memory channels.

CAUTION! Verify all connections before applying power.

Specifications

• Frequency Range: 1.8-54 MHz (amateur bands)
• Output Power: 5-200W (adjustable)
• Receiver Type: Triple conversion superheterodyne
• Sensitivity: Better than 0.15μV for 10dB S/N
• Selectivity: Various DSP filters available
• Display: 8-inch TFT color touch screen
• Power Supply: 13.8V DC, 25A max
• Dimensions: 430(W) × 185(H) × 430(D) mm
• Weight: Approximately 18 kg
• Operating Temp: -10°C to +50°C

Controls and Settings

Front panel controls: Main dial, function keys, mode selection, power adjustment.

Remote Control: All front panel functions accessible remotely.

Menu System: Comprehensive menu structure for all functions including:

• Receiver settings: AGC, filters, noise reduction
• Transmitter settings: Power, compression, speech processor
• Display settings: Brightness, contrast, color schemes
• Memory management: Channel storage and recall
• System configuration: I/O settings, clock, beeper

Connecting Accessories

Multiple connection options for external devices and accessories.

1. Microphone: Connect to MIC connector using appropriate cable
2. Speakers: Use SP connectors for external speakers
3. Computer: USB connection for rig control and digital modes
4. External tuners: Use ACC connector for external antenna tuners
5. Amplifiers: Connect via AMP connector for external amplifiers

Tip: Use high-quality cables for best performance.

Operating Modes

Comprehensive mode selection for various operating preferences.

1. SSB (USB/LSB): For voice communications
2. CW: For Morse code operation with adjustable speed
3. AM: For amplitude modulation reception/transmission
4. FM: For frequency modulation operation
5. Digital Modes: RTTY, PSK31, and other digital modes
6. Memory Operation: Quick access to stored frequencies
7. Scan Functions: Programmable scanning of bands and memories
8. Dual Watch: Monitor two frequencies simultaneously

WARNING! Ensure proper licensing for intended operating frequencies.

Advanced Features

DSP Functions: Noise reduction, automatic notch filter, manual notch, speech processor. Antenna Tuner: Automatic matching for 1.8-54 MHz. Memory System: 1000+ memory channels with alphanumeric tags.

Maintenance

Regular cleaning with dry cloth only. Keep unit free from dust and moisture.

CAUTION! Disconnect power before cleaning. Do not use liquid cleaners.

Regulatory Information

FCC Part 15: Class B digital device compliant. CE marked for European market. Designed and manufactured by 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	Check DC power cable and fuse; verify power supply operation
No transmit	Settings/connections	Check PTT operation; verify microphone connection; check power settings
Poor reception	Antenna/tuning	Verify antenna connections; run antenna tuner; check antenna system
Display issues	Settings/connections	Adjust display settings; check video connections if using external monitor
Computer interface not working	Drivers/cables	Install proper drivers; verify USB cable; check computer settings

Reset: Menu > System > Factory Reset if available.

Service: Contact authorized Kenwood service center; www.kenwood.com