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Kenwood TK-701S User Manual

Kenwood TK-701S
52 pages
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Synthesized
FM
Two-Way
Radio
32
Ch
|
Capability,
KENWOOD
20-50W
150-174
MHz.
TK-7O1S
SERVICE
MANUAL
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Kenwood TK-701S Specifications

General IconGeneral
Power Output25W
Weight1.4 kg
ModulationFM
Frequency Range148-174 MHz
Frequency148-174 MHz
Dimensions160(W) x 53(H) x 169(D) mm

Summary

SPECIFICATIONS

GENERAL

PERSONNEL SAFETY

Critical safety precautions to be followed during operation and servicing of the radio.

OPERATING INSTRUCTIONS

Basic steps for operating the radio controls and indicators.

PRE-INSTALLATION CONSIDERATIONS

UNPACKING AND LICENSING

Instructions for unpacking the radio and information on licensing requirements.

PREINSTALLATION CHECKOUT

Recommended checks to ensure proper operation before final installation.

INSTALLATION PLANNING

Guidance on planning the physical installation of the radio and its components.

FIELD REALIGNMENT

DEALER SALES FLOW CHART

A flowchart detailing the process for dealer sales and initial setup.

INSTALLATION AND CONVERSION

Frequency Programming and Initial Setup

Procedures for writing frequencies into PROM and performing initial setup.

Transceiver Modifications and Conversions

Steps for modifying the transceiver for duplex, simplex, 16CH, 32CH, and installing signaling.

Timer Installation and Frequency Realignment

Instructions for installing the time-out timer and performing frequency realignment.

CIRCUIT DESCRIPTION

TX (Transmitter)

Detailed description of the transmitter's signal path and circuitry.

RX (Receiver)

Detailed description of the receiver's signal path and circuitry.

Common PLL

Explanation of the common Phase-Locked Loop circuit's operation and components.

Transmitter PLL

Explanation of the Phase-Locked Loop circuit specific to the transmitter.

Modulator and Control Circuits

Descriptions of modulator, PLL unlock, QTD invert, frequency shift, and diode matrix circuits.

TX Signal Path Diagram

Diagram illustrating the signal flow within the transmitter section.

RX Signal Path Diagram

Diagram illustrating the signal flow within the receiver section.

DISASSEMBLY

Basic Case and Panel Removal

Instructions for removing the radio's case, covers, and front panel.

TX-RX Unit Removal

Steps for removing the TX-RX unit, including shield and connector disconnections.

PLL Unit and Speaker Removal

Instructions for removing the PLL unit and speaker.

Component Replacement (LEDs, Lamps, Switches)

Procedures for replacing LEDs and lamps.

Switch Replacement Procedures

Instructions for replacing channel switches and setting limit screws.

Test equipment required

Alignment

Initial Setup and PLL Adjustments

Procedures for initial setup, PLL lock voltage, and TCXO frequency adjustment.

Receiver Sensitivity and Squelch Alignment

Steps for adjusting receiver sensitivity and squelch threshold.

Transmitter Alignment Procedures

Procedures for adjusting transmitter power, frequency, deviation, and spurious emissions.

Monitor Function Setup

Instructions for setting up and using the monitor function for testing.

ADJUSTMENT PARTS

DIAGRAM AND PARTS LIST

Disassembly Diagrams and Parts

Diagrams and lists of parts related to the disassembly process.

Circuit Block Diagram

Block diagram illustrating the overall radio circuit architecture.

Schematic Diagrams

Detailed schematic diagrams of the radio's electronic circuits.

PLL Unit Parts List

Comprehensive list of parts used in the PLL unit.

TX-RX Unit Parts List

Comprehensive list of parts used in the TX-RX unit.

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