Kenwood LS-C313 User Manual

This product uses Lead Free solder.
This product complies with the
RoHS directive for the European market.
© 2009-10 CREATED IN JA PAN
B53-4070-00
(
N/J
)
PDF
SERVICE MANUAL
(C-313/515BT)
COMPACT Hi-Fi COMPONENT SYSTEM
RD-C313/C515
LS-C313/C515
DANGER:
Please do not look at the laser beam directly during
re pair or operation check.
Lens, CD Door
(B10-5666-08)
Cover, CD Door*
(A21-)
Front Cabi Assy*
(A60-)
Deco Panel Assy*
(A21-)
Door, Front
(A52-1055-08)
USB Socket
(E59-0002-08)
Card Connector
(E41-4041-08)
Button, Function*
(K29-)
Socket
(E11-1026-08)
Illustration: RD-C515
* Refer to parts list on page 27.

Kenwood LS-C313 Specifications

General

Brand	Kenwood
Model	LS-C313
Category	Stereo System
Language	English

Summary

System Overview and Safety

Laser Safety Warning

Important safety notice regarding direct laser beam exposure during operation or repair.

Accessories and System Information

Laser Product Classification

Details the Class 1 laser product classification and warning for direct viewing.

System Block Diagram

Audio Processing Blocks

Control and Power Supply Blocks

PC Board Layout - Amplifier Side A

Amplifier Circuit Components

PC Board Components - Amplifier Side A

Power Amplifiers and Connectors

Schematic Diagram - Main Section (1/4)

CD Mechanism and Power Management

Details the CD mechanism control, power supply, and voltage regulation circuits.

Audio Input and Processing

Illustrates input selection, analog multiplexers, and audio codec processing.

Schematic Diagram - Main Section (2/4)

Tuner and Bluetooth Audio Paths

Shows the signal paths for the tuner section and Bluetooth audio reception and processing.

Digital Audio Conversion and Amplification

Details the A/D converter, Class D amplifier, and speaker output stages.

Schematic Diagram - Main Section (3/4)

Microcontroller and Memory Interface

Covers the main microcontroller, EEPROM, and Flash memory connections.

CD/USB Control and Interface

Details the CD DSP, USB interface, and control logic for CD/USB operations.

Schematic Diagram - Main Section (4/4) and Switches

Key Input and Display Control

Shows the key input matrix, LCD display control, and indicator LEDs.

Switching Functions and Model Information

Schematic Diagram - Amplifier Section (1/2)

Input Switching and Analog Processing

Illustrates input signal selection, analog multiplexers, and audio processing for the amplifier.

Class D Amplifier Core

Shows the main components and connections for the Class D audio power amplifier.

Schematic Diagram - Amplifier Section (2/2)

Headphone and iPod Output Stages

Details the headphone amplifier and iPod output driver circuitry.

Speaker Output and Power Supply

Covers the final speaker output stages and power supply regulation for the amplifier.

Schematic Diagram - Key, SD, and iPod Dock

Key Input and LED Control

SD Card and iPod Dock Interfaces

Schematic Diagram - Bluetooth Module

Bluetooth Module Connections

Illustrates the connections and internal circuitry of the Bluetooth module (RD-C515 only).