Need help?Do you have a question about the Kenwood KT-990D and is the answer not in the manual?
Record model and serial numbers for dealer information and service.
Carefully unpack unit, check for shipping damage, retain packing materials.
Warnings about opening the cover and user-serviceable parts.
Explains lightning flash and exclamation point symbols for user safety.
Details on setting the AC voltage selector for different regions.
Specific instructions for UK plug wiring and fuse usage.
Crucial warning to prevent fire or shock by avoiding rain or moisture.
Proper placement, ventilation, and environmental considerations for installation.
Safety notes on power plug, cord handling, and abnormal conditions.
How to clean the unit's cabinet safely.
How to connect output to amplifier and power cord.
Importance and methods of grounding for safety and interference reduction.
Details for FM indoor, outdoor, and coaxial cable connections.
Connecting 3000 ribbon cables using the adapter.
Instructions for positioning AM loop and outdoor antennas.
Explains FM DE-EMPHASIS and AM/FM CHANNEL SPACE switches.
Describes power, program, memory, and reception selector switches.
Explains RF Selector, IF Band, and Auto Stereo/Mono switches.
Details preset station switches, memory, REC CAL, and sensitivity controls.
Explains tuning modes, direction indicators, and signal strength display.
Details the frequency display and various status indicators.
How to use the tuning knob for station selection.
Step-by-step guide to finding stations using the auto tuning feature.
Instructions for manual tuning to receive weak signals.
How to store and recall preset stations.
Using a timer for automatic channel reception and unattended recording.
How to use the REC CAL function for optimal tape recording levels.
Solutions for issues like erased presets due to power connection.
Troubleshooting buzz, crackling sounds during AM reception.
Remedies for hiss in stereo and static/popping noises in FM.
Detailed technical data for the FM reception section.
Detailed technical data for the AM reception section.
Power consumption, dimensions, and weight of the unit.
FM Tuner Section| antenna impedance | 75 ohms unbalanced |
|---|---|
| FM frequency range | 87.5 MHz to 108 MHz |
| usable sensitivity (IHF) | 10.8 dBf (0.95 μV) |
| 50 dB quieting sensitivity (IHF) | 16.2 dBf (1.8 μV) |
| stereo sensitivity | 38.8 dBf (24.0 μV) |
| signal to noise ratio (IHF) Mono | 92 dB (65 dBf input) |
| signal to noise ratio (IHF) Stereo | 78 dB (65 dBf input) |
| frequency response | 20 Hz to 15 kHz |
| total harmonic distortion Mono | 0.007% |
| total harmonic distortion Stereo | 0.009% |
AM Tuner Section| frequency range | 530 kHz ~ 1610 kHz |
|---|---|
| usable sensitivity (Loop) | 10 μV (250 μV/m) |
| signal to noise ratio | 55 dB |
| total harmonic distortion | 0.25% |
| image rejection ratio (Loop) | 40 dB |
| selectivity (IHF) | 30 dB |
General| power consumption | 20 W |
|---|---|
| dimensions (W x H x D) | 440 mm x 78 mm x 331 mm |
| weight | 4.0 kg (8.8 lb) |
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