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Kenwood TS-700G Service Manual

Kenwood TS-700G
55 pages
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Kenwood TS-700G Specifications

General IconGeneral
BrandKenwood
ModelTS-700G
CategoryTransceiver
LanguageEnglish

Summary

TS-700A SPECIFICATIONS

Frequency and Mode Specifications

Details operating frequency ranges and supported modes for TS-700A.

Power and Output Specifications

Specifies output power levels for different operating modes.

Receiver Performance Specifications

Details receiver sensitivity, selectivity, and rejection performance.

Stability and Consumption Specifications

Lists frequency stability, operating temperature, and power consumption.

Dimensions and Weight

Specifies the physical dimensions and weight of the unit.

TS-700G SPECIFICATIONS

Frequency and Mode Specifications

Details operating frequency ranges and supported modes for TS-700G.

Power and Output Specifications

Specifies output power levels for different operating modes.

Receiver Performance Specifications

Details receiver sensitivity, selectivity, and rejection performance.

Stability and Consumption Specifications

Lists frequency stability, operating temperature, and power consumption.

Dimensions and Weight

Specifies the physical dimensions and weight of the unit.

FEATURES

Transceiver Overview and Power

Highlights all-mode capability, dual power supply, and frequency coverage.

Frequency and Channel Operation

Details tuning mechanisms, channel capacity, and repeater operation.

Noise Reduction and Signal Quality

Features noise blanker, squelch, and signal clarity improvements.

Circuitry and Control Features

Describes mixer, AGC, marker circuits, and human-engineered controls.

CIRCUIT DESCRIPTION

General Circuit Overview

Overview of the transceiver's circuit composition and interconnection.

Oscillator Frequencies

Lists frequencies for various crystal oscillators.

CARRIER UNIT Description

Describes the carrier unit's function in transmit/receive.

GENERATOR UNIT Description

Describes the generator unit for SSB signal generation.

FM IF UNIT Description

Describes the FM IF unit's signal processing.

MIX UNIT Description

Describes the mix unit (heterodyne mixer, amplifiers).

FINAL UNIT Description

Describes the 10-watt power amplifier unit.

BPF UNIT Description

Describes the BPF unit's transmit/receive coupling function.

MARKER UNIT Description

Describes the 1 MHz marker signal circuit.

RX-NB UNIT Description

Describes the noise blanker circuit's operation.

POWER SUPPLY UNIT Description

Describes the power supply unit's operation and voltages.

VFO UNIT Description

Describes the VFO unit's stable oscillation circuitry.

AF UNIT Description

Describes the final stage AF amplifier for speaker drive.

PARTS ALIGNMENT

Front Panel Controls Identification

Identifies front panel controls like Power Switch and Knobs.

Connectors and Jacks

Identifies rear panel connectors like Mic socket and Key jack.

Panel Labels and Accessories

Identifies labels like Model Name Plate and accessories like Heat Sink.

PC BOARD LAYOUTS

CARRIER Unit PC Board

Component layout for the Carrier unit PC board.

AF Unit PC Board

Component layout for the AF unit PC board.

VFO and Marker Unit PC Boards

Component layouts for VFO and Marker units.

Support Unit PC Boards (Power, HET, RX-NB)

Component layouts for Power, HET, and RX-NB units.

Signal Processing Unit PC Boards (Generator, AF, FM-IF)

Component layouts for Generator, AF, and FM-IF units.

Interface Unit PC Boards (BPF, MIX)

Component layouts for BPF and MIX units.

PARTS LIST

Capacitors and Resistors

Lists capacitors and resistors with part numbers and specs.

Semiconductors and Potentiometers

Lists semiconductors and potentiometers with part numbers.

Switches, Relays, Coils, and Crystals

Lists switches, relays, coils, and quartz crystals.

Miscellaneous Components

Lists miscellaneous parts like sockets and fuses.

PACKING INSTRUCTIONS

Fuse and Power Cord Packing

Details for packing fuses and power cords.

Accessory Packing (Microphone, Speaker, Feet)

Details for packing accessories like microphone and speaker.

Case and Fixture Packing

Details for packing transceiver case and foam fixtures.

DISASSEMBLY PROCEDURES

Case Separation and Panel Opening

Steps to separate cases and open the front panel.

VFO and Dial Escutcheon Removal

Procedures for removing VFO and dial escutcheon.

Switch and Power Unit Replacement

Instructions for replacing power switches and the power unit.

Transformer and Final Unit Replacement

Steps for replacing power transformer and final amplifier unit.

TROUBLESHOOTING GUIDE

Power and Signal Reception Issues

Troubleshooting steps for power, fuse, and signal reception problems.

Noise and Sensitivity Problems

Troubleshooting for noise issues and low sensitivity.

Meter and Audio Output Issues

Troubleshooting for S-meter, center meter, and distorted audio.

RIT, Marker, and Output Level Issues

Troubleshooting for RIT, Marker, and output level problems.

Transmission Output Problems

Troubleshooting for CW, SSB, FM, and general transmission output issues.

RF Meter and Distorted Sound Issues

Troubleshooting RF meter deflection and distorted sound in AM.

TS-700A BLOCK DIAGRAM

Signal Path Units (GEN, AF, MKR, FM IF)

Block diagram of signal path units.

Core Processing Units (CAR, RX NB, MIX, BPF)

Block diagram of core processing units.

Amplification and Power Units (FINAL, HET, VFO)

Block diagram of amplification and power units.

Power Supply Unit

Block diagram of the Power Supply Unit.

TS-700G BLOCK DIAGRAM

Signal Path Units (GEN, AF, MKR, FM IF)

Block diagram of signal path units.

Core Processing Units (CAR, RX NB, MIX, BPF)

Block diagram of core processing units.

Amplification and Power Units (FINAL, HET, VFO)

Block diagram of amplification and power units.

Power Supply Unit

Block diagram of the Power Supply Unit.

LEVEL DIAGRAMS

Receiving Level Diagram (USB)

Diagram showing signal levels during USB reception.

Transmitting Level Diagram (CW)

Diagram showing signal levels during CW transmission.

ADJUSTMENT PROCEDURES

CAR, VFO, and HET Unit Adjustments

Procedures for adjusting CAR, VFO, and HET units.

Frequency Adjustment Procedures

Steps for tuning and adjusting frequencies.

Frequency Adjustment (Continued)

Further steps for frequency tuning.

Output Level Adjustment

Procedure for adjusting the output signal level.

Receiver Section Adjustment (AM, NB, S-meter)

Adjustments for AM reception, noise blanker, and S-meter.

SSB and FM Reception Adjustments

Procedures for SSB and FM reception adjustments.

Center Meter and Marker Unit Adjustment

Procedures for adjusting the center meter and marker unit.

RIT Setting and Main Dial Adjustment

Procedures for setting RIT and adjusting the main dial.

Transmitting Section Adjustment Overview

Overview of transmitting section adjustment procedures.

MIX Unit and ALC Adjustment

Procedures for adjusting the MIX unit and ALC.

RF Meter and FM Transmission Adjustment

Procedures for adjusting RF meter and FM transmission.

FM Transmission and TONE Oscillator Adjustments

Procedures for FM transmission and TONE oscillator adjustments.

CW/AM Transmission and Carrier Adjustments

Procedures for CW/AM transmission and carrier adjustments.

BPF Unit Adjustment Procedure

Procedure for adjusting the BPF Unit.

Receiver Section Adjustment Overview

Overview of receiver section adjustment procedures.

AM Reception and Noise Blanker Adjustment

Procedures for AM reception and noise blanker adjustment.

S-meter, SSB, and FM Reception Adjustment

Procedures for S-meter, SSB, and FM reception adjustments.

Center Meter and Marker Unit Adjustment

Procedures for adjusting the center meter and marker unit.

RIT Setting and Main Dial Adjustment

Procedures for setting RIT and adjusting the main dial.

Transmitting Section Adjustment Overview

Overview of transmitting section adjustment procedures.

MIX Unit and ALC Adjustment

Procedures for adjusting the MIX unit and ALC.

RF Meter and FM Transmission Adjustment

Procedures for adjusting RF meter and FM transmission.

FM Transmission and TONE Oscillator Adjustments

Procedures for FM transmission and TONE oscillator adjustments.

CW/AM Transmission and Carrier Adjustments

Procedures for CW/AM transmission and carrier adjustments.

BPF Unit Adjustment Procedure

Procedure for adjusting the BPF Unit.

ADJUSTMENTS (Supplement)

Power Unit Adjustment

Procedure for adjusting the power unit.

Unit Improvement Information

Information on improvements to power supply and HET units.

ADJUSTMENTS (Supplement Continued)

HET Unit Adjustment (TS-700G)

Procedure for adjusting the HET Unit for TS-700G.

HET Frequency Tuning

Procedure for tuning the HET unit frequency.

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