Kenwood TS-120V Manual

The Kenwood TS-120V is a high-performance amateur radio transceiver covering the 160-10 meter bands with SSB, CW, and AM modes. Features include built-in power supply, digital VFO, noise blanker, RF attenuator, and comprehensive receiver/transmitter controls. Below are key sections for operation, specifications, installation, controls, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Accessories 7. Operating Modes 8. Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Main transceiver unit, microphone connector, antenna ports, power input, accessory connectors.

FeatureDescription
Frequency Coverage160-10 meter amateur bands
Operating ModesSSB, CW, AM
Power OutputAdjustable up to 200W PEP
Power SupplyBuilt-in AC power supply
VFO SystemDigital synthesizer with main/sub VFO
Noise BlankerBuilt-in pulse noise reduction
RF Attenuator20dB front-end attenuation
ReceiverDouble conversion superheterodyne
IF ShiftAdjustable IF bandwidth
MeteringS/RF power/SWR/ALC indicators

Installation

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

  1. Connect antenna: Use appropriate coaxial cable to ANT connector.
  2. Connect power: Use supplied power cord to AC outlet (120V 60Hz).
  3. Connect microphone: Plug into MIC connector on front panel.
  4. Connect accessories: Use accessory ports for external speakers, keyers, etc.

WARNING! Ensure proper grounding for safety and RF performance. Allow adequate ventilation space around unit.

First-Time Setup

Power on transceiver; allow warm-up time.

  1. Set operating frequency: Use main VFO knob to select desired band and frequency.
  2. Select mode: Choose SSB, CW, or AM as needed.
  3. Adjust RF power: Set appropriate power level for operation.
  4. Configure filters: Adjust IF shift and bandwidth for optimal reception.

CAUTION! Verify antenna SWR before transmitting. Start with low power settings.

Specifications

Controls and Settings

Front Panel: POWER, RF GAIN, AF GAIN, MODE selector, VFO knobs, NB, ATT, AGC.

Main Controls: VFO A/B selector, RIT control, IF SHIFT, RF POWER, MIC GAIN.

Receiver: RF GAIN, AF GAIN, AGC (Fast/Slow/Off), NB (On/Off), ATT (On/Off). Transmitter: MIC GAIN, COMP, ALC indicator, CW KEY jack. General: POWER switch, meter function selector, clarifier control.

Connecting Accessories

Antenna: Coaxial cable to ANT port. Microphone: Dynamic mic to MIC jack. CW Key: Straight key or keyer to KEY jack. External Speaker: 8 ohm speaker to EXT SP jack.

  1. Turn off power before connecting accessories.
  2. Use appropriate cables and connectors.
  3. Verify proper impedance matching.

Tip: Use high-quality coaxial cable for antenna connection to minimize loss.

Operating Modes

Supports SSB, CW, and AM operation.

  1. SSB Operation: Select LSB/USB, adjust mic gain, use compression if needed.
  2. CW Operation: Select CW mode, connect key, adjust sidetone volume.
  3. AM Operation: Select AM mode, adjust carrier power appropriately.
  4. VFO Operation: Use main/sub VFOs for split frequency operation.
  5. Memory Channels: Store frequently used frequencies (if equipped).
  6. RIT Use: Adjust receive frequency independently of transmit.

WARNING! Always verify you are transmitting on authorized frequencies with proper license.

Maintenance

Regular cleaning and inspection recommended.

CAUTION! Unplug unit before cleaning. Use compressed air for dust removal. Avoid liquid cleaners.

Regulatory Information

FCC Part 97: Complies with amateur radio service rules. For amateur use only - operator license required. Copyright © Kenwood Corporation. For support, contact authorized Kenwood service centers.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerPower cord/switchCheck power cord connection; verify switch position.
No transmitMic connection/PTTCheck mic cable; verify PTT operation; check ALC.
Poor receptionAntenna/tuningVerify antenna connection; check receiver settings.
OverheatingVentilation/duty cycleEnsure adequate ventilation; reduce transmit duty cycle.
Meter not workingSelector settingCheck meter function selector position.

Reset: Power cycle if unit locks up.

Service: Contact authorized Kenwood service center for technical support.

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