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Kenwood R-5000 Service Manual

Kenwood R-5000
127 pages
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Table of Contents

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Kenwood R-5000 Specifications

General IconGeneral
ModesAM, FM, SSB, CW
Impedance50 ohms
Frequency stability±100 Hz
Memory Channels100
Sensitivity0.5 μV (SSB)
Selectivity6 kHz (AM)
Power Supply13.8 V DC
Image rejection70 dB
IF rejection80 dB
Output1.5W at 8 ohms

Summary

Circuit Description

Noise Blanking (NB)

Explains the noise blanking circuit and its operation.

PLL Circuit

Details the phase-locked loop circuitry for frequency synthesis.

Semiconductor Data

µPD78009G (Control unit IC1)

Details the µPD78009G microcontroller, its block diagram, and functions.

M5M82C55AP-5 (Control unit IC2, IC53)

Provides data for the M5M82C55AP-5 interface chip, including block diagram and functions.

Description of Components

RF UNIT (X44-3010-00)

Lists components and their functions in the RF unit.

IF UNIT (X48-3000-00)

Describes components and their operations within the IF unit.

PLL UNIT (X50-3030-00)

Lists components and their functions in the PLL unit.

CONTROL UNIT (X53-3020-XX)

Details components and their functions within the control unit.

Parts List

Adjustment

REQUIRED TEST EQUIPMENT

Lists the essential test equipment for performing adjustments.

PLL ADJUSTMENT

Details the step-by-step adjustment procedures for PLL circuits.

OTHER ADJUSTMENT

Covers adjustments for various other circuits, including reset and voltage checks.

Circuit Diagram

Terminal Function

VS-1 (Voice Synthesizer)

MB-430 (Mobile Mount)/SP-430 (Speaker)

VC-20 (VHF Converter)

SPECIFICATIONS

Details the technical specifications for the VC-20 VHF converter.

Installation of Options

Specifications

Receive frequency range

Specifies the receiver's operational frequency coverage.

Sensitivity

Details the receiver's sensitivity performance across different modes.

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