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Kenwood RXD-351 User Manual

Kenwood RXD-351
37 pages
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MINI HiFi COMPONENT SYSTEM
RXD-251/301/301E/301W/
RXD-351/351E/351W/371S/A3
SERVICE MANUAL
© 1998-7/B51-5454-00 (K/K) 3763
(XD-251~A3)**
In compliance with Federal Regulations, following are reproduc-
tions of labels on, or inside the product relating to laser product
safety.
**Refer to page 2 if you want to know system configuration.
KENWOOD-Crop. certifies this equipment conforms to DHHS
Regulations No. 21 DFR 1040. 10, Chapter 1, Subchapter J.
DANGER : Laser radiation when open and interlock defeated.
AVOID DIRECT EXPOSURE TO BEAM
Panel(CD) *
(A60-)
Front glass *
(A29-)
Knob *
(K29-)
Knob
(K29-7512-08)
Knob
(K29-7519-08)
Knob
(K29-7518-08)
Phone jack
(E11-0386-08)
Konb
(K-29-7516-08)
Cassette lid(R) *
(A53-)
Front glass(R)
(B10-3451-08)
Front panel *
(A60-)
Knob *
(k29-)
Knob
(K29-7523-08)
Knob
(K29-7522-08)
Knob
(K29-7521-08)
Cassette lid(L) *
(A53-)
Front glass(L)
(B10-3450-08)
Knob
(K29-7515-08)
Knob
(K29-7511-08)
Mic jack
(E11-0387-08)
Knob *
(K29-)
Knob *
(K29-)
Knob
(K29-7513-08)
Illust. is RXD-351.
* Refer to parts list on page 38.
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Kenwood RXD-351 Specifications

General IconGeneral
BrandKenwood
ModelRXD-351
CategoryStereo System
LanguageEnglish

Summary

Service Manual Overview

Product Identification and Front View

Introduces the system and identifies front panel components and controls.

System Accessories and Maintenance

Included Accessories List

Lists essential accessories provided with the mini hi-fi component system.

System Reset Procedure

Details the procedure to reset the microcomputer for proper operation.

External Connections and Views

Rear and Side Panel Terminals

Illustrates external connection points like antenna terminals, phono jacks, and speaker outputs.

System Controls and Operation

Remote Control Unit Functions

Explains the buttons and functions of the remote control unit.

Main Receiver Unit Controls

Details the buttons and knobs on the main receiver unit.

Cassette Deck and Display Features

Cassette Deck Operation Buttons

Describes the controls for the cassette deck, including playback and tape handling.

System Display Indicators

Explains the various indicators and information displayed on the system's screen.

System Block Diagram

Functional Block Overview

Provides a high-level overview of the system's interconnected functional blocks.

Microprocessor Circuit Details

Microprocessor Pin Assignments

Details the pin functions and descriptions for the main microprocessor IC.

Circuit Description and Controls

Switch Matrix and Control Signals

Explains the switch matrix and signals related to CD mechanism control.

CD Mechanism Operation

Disc 3 Loading and Playback

Describes the process of loading and playing disc 3 within the CD mechanism.

Tray Open/Close Mechanism

Details the operation of the CD tray open and close mechanism.

CD Mechanism Maintenance

Pickup Replacement Procedure

Provides step-by-step instructions for replacing the CD player pickup assembly.

Tuner Section Adjustments

FM Section Alignment Points

Specifies alignment points and settings for the FM tuner section.

MW Section Alignment Points

Specifies alignment points and settings for the MW tuner section.

SW Section Alignment Points

Specifies alignment points and settings for the SW tuner section.

Tuner Alignment and Test Setup

SW Section Alignment Details

Provides further details on SW tuner alignment and necessary instrument connections.

Cassette Deck Adjustments

Cassette Mechanism Head Adjustment

Outlines procedures for demagnetization, cleaning, and azimuth adjustment of cassette heads.

PC Board Adjustments

Details adjustments related to tape speed and playback/recording levels.

CD Player Adjustments

Laser Power and Focus Adjustment

Describes methods for adjusting laser power and focus error bias.

System Wiring Diagram

Overall Circuit Connections

Illustrates the complete interconnections between all units and components.

Component Descriptions

Capacitor and Resistor Coding

Explains the coding systems for capacitor and resistor values and types.

PC Board Layouts

Tuner Unit Component Layouts

Displays component placement on the PC boards for tuner unit variants.

PC Board Component Layouts

RXD-371S Tuner Unit Layout

Shows component placement on the PC board for the RXD-371S tuner unit.

Audio Unit PC Board Layout

Audio Circuit Component Placement

Illustrates component layout for the audio unit PC board.

Display Unit PC Board Layout

Display Circuit Component Placement

Shows component placement on the PC board for the display unit.

Schematic Diagrams

Tuner Unit Schematic Details

Presents detailed circuit schematic for the tuner unit, including component values.

Circuit Schematics

Tuner Unit Circuit Overview

Shows circuit schematic for another variant of the tuner unit.

System Schematics

CD Mechanism Unit Schematic

Displays the circuit schematic for the CD mechanism unit.

Detailed Circuit Schematics

Cassette Deck and Power Schematics

Provides circuit diagrams for cassette deck mechanism and power transformer sections.

Exploded View of Unit

Unit Component Assembly Diagram

Illustrates assembly of main unit components with reference numbers.

Parts List

Component Part Numbers (Cabinet, Glass, Panel)

Lists part numbers for cabinet, front glass, and panel components.

Parts List Details

Cassette Mechanism and Knob Parts

Lists part numbers for cassette mechanism, knobs, and related accessories.

Parts Catalog

Component Part Numbers (Knobs, Switches, Belts)

Lists part numbers for knobs, switches, belts, and CD mechanism parts.

Component Inventory

Capacitor and Inductor Part Numbers

Lists part numbers and specifications for capacitors and inductors.

Parts Identification

Capacitor and Transistor Part Numbers

Lists part numbers and specifications for capacitors and transistors.

Component Parts Reference

Capacitor and IC Part Numbers

Lists part numbers and specifications for capacitors and integrated circuits.

Parts List Reference

Connectors, Fuses, and Jacks Part Numbers

Lists part numbers for connectors, fuses, jacks, and miscellaneous components.

Component Parts List

Diodes, Transistors, and IC Part Numbers

Lists part numbers and specifications for diodes, transistors, and ICs.

Parts List and Model Mapping

Component Parts and Destination Codes

Lists part numbers and explains model/destination abbreviations.

Technical Specifications

Amplifier Section Specifications

Details output power, sensitivity, and impedance for the amplifier section.

Cassette Deck and CD Player Specs

Provides specifications for the cassette deck and CD player sections.

Speaker System Specifications

Lists specifications for the included speaker systems.

Tuner Section Frequency Ranges

Details tuning frequency ranges for FM and AM bands.

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