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Kenwood Eleven III KR-1000 III User Manual

Kenwood Eleven III KR-1000 III
32 pages
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Kenwood Eleven III KR-1000 III Specifications

General IconGeneral
BrandKenwood
ModelEleven III KR-1000 III
CategoryStereo Receiver
LanguageEnglish

Summary

External View and Component Identification

Internal View and Component Layout

Maintenance and Disassembly Procedures

Dial Cord Stringing

Procedure for stringing the dial cord on the variable capacitor and dial pulley.

Power Supply Transistor Removal

Steps to remove transistors from the power supply unit's heat sink.

Disassembly for Repair: Panel and Lamp Assemblies

Panel Assembly Disassembly

Steps to remove the panel assembly, including knobs and screws.

Lamp Assembly Disassembly

Procedure for disassembling the lamp assembly and replacing pilot lamps.

Control Amp Unit Disassembly

Power Amp and Push Switch Unit Disassembly

Power Amp Unit Removal

Steps to remove the power amp unit from the chassis.

Push Switch (B) Unit Removal

Procedure for removing the pushbutton switch (B) unit from the chassis.

Block and Level Diagrams

Circuit Description: General Overview

Model Eleven III Modifications

Description of Model Eleven III as a modification of Model Eleven II and its output power.

Impedance Detection Principle

Explanation of the impedance detecting circuit and its effect on power output.

Circuit Description: Detailed Operation

Speaker Impedance Detection Circuit

Detailed explanation of the Wheatstone bridge circuit for impedance detection.

Memory Circuit Function

Function of the memory circuit in storing and feeding detecting circuit input.

Control Circuit Operation

Operation of the control circuit based on memory circuit output and voltage variations.

Circuit Descriptions: Dolby NR

Dolby NR Circuit Connections

Diagram showing Dolby NR circuit connections selected by switch S15.

Dolby NR Mode Operations

Description of various Dolby NR modes like Dolby on/off, FM reproduction.

Parts List: Capacitors, Switches, and Miscellaneous

Capacitor Specifications

List of capacitor part numbers, types, and specifications.

Switch and Miscellaneous Components

List of switch part numbers and general miscellaneous components.

Parts List: Potentiometers, Resistors, Semiconductors

Potentiometers and Switches

List of potentiometers and switches with their part numbers and descriptions.

Resistors and Semiconductors

List of resistors and semiconductor components with part numbers and types.

Parts List: Tuner and Power Amplifier Components

Tuner Unit Components

List of components for the Tuner unit (X05-1390-10).

Power Amplifier Unit Components

List of components for the Power Amp unit (X07-1570-80).

Parts List: Control Amplifier and Other Components

Control Amplifier Unit Components

List of components for the Control Amp unit (X11-1440-10).

Other Unit Components

List of miscellaneous parts and components for various units.

Parts List: Switches and Dolby Unit

Switch and Tape Monitor Components

Component lists for Push Switch (B) and Tape Monitor units.

Dolby Unit Components

List of components for the Dolby unit (X14-1070-10).

Tuner Unit Schematic Diagram

Power Amplifier Schematic Diagram

Control Amplifier Schematic Diagram

Power Supply Schematic Diagram

Switch, Selector, and Tape Monitor Diagrams

Push Switch (A) Circuit Diagram

Circuit diagram for Push Switch (A) unit (X13-2190-10).

Speaker Selector Circuit Diagram

Circuit diagram for Speaker Selector unit (X13-2390-80).

Tape Monitor Circuit Diagram

Circuit diagram for Tape Monitor unit (X13-2310-10).

Push Switch (B) Schematic Diagram

Dolby Unit Schematic Diagram

Adjustment Procedures

FM Section Adjustments

Adjustment procedures for FM section tuning, IF, output, tracking, VCO, and distortion.

AM Section Adjustments

Adjustment procedures for AM section IF and tracking.

Audio Section Adjustments

Adjustment procedures for BIAS and Power Meter.

Dolby NR Section Adjustments

Adjustment procedures for Dolby NR section calibration and level settings.

Test Equipment and Specifications for Adjustments

Signal Generator Specifications

Specifications for the Standard Signal Generator used in adjustments.

Meter and Counter Specifications

Specifications for Volt Meter, Oscilloscope, Distortion Meter, and Frequency Counter.

Audio Signal Generator Specifications

Specifications for the Audio Signal Generator used in adjustments.

Schematic Diagram (1)

Schematic Diagram (2)

Overall Specifications

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