Kenwood LS-M505-S User Manual

This product uses Lead Free solder.
This product complies with the
RoHS directive for the European market.
COMPACT Hi-Fi COMPONENT SYSTEM
RXD-M505USB-B/M505USB-S
LS-M505-B/M505-S
SERVICE MANUAL
© 2007-10 PRINTED IN JA PAN
B53-4023-00
(
N/J
)
122
USB jack
(E58-0096-08)
CD door
(A29-1280-08) : S
(A29-1284-08) : B
Cassette door
(A53-2490-08) : S
(A53-2492-08) : B
Phones jack
(E11-1012-08)
Front cabinet
(A60-2529-08) : S
(A60-2532-08) : B
Volume knob
(K29-8628-08) : S
(K29-8643-08) : B
DANGER:
Please do not look at the laser beam directly during
re pair or operation check.
(M-505USB)
S : Silver
B : Black

Kenwood LS-M505-S Specifications

General

Manufacturer	Kenwood
Model	LS-M505-S
CD Player	Yes
USB Port	Yes
FM Tuner	Yes
Power Output	50W

Summary

Service Manual Overview

Laser Safety Precautions

Warning regarding direct laser beam exposure during service procedures.

Accessories and Cautions

Microcomputer Reset Procedure

Instructions for resetting the unit's microcomputer to restore normal operation.

Adjustment Procedures

Cassette Deck Calibration

Detailed procedures for demagnetization, head azimuth, tape speed, and bias frequency adjustments.

Schematic Diagrams - CD Section 1

CD Circuit Diagram (Page 1/3)

Detailed schematic for the CD playback circuitry, part 1 of 3.

Schematic Diagrams - CD Section 2

CD Circuit Diagram (Page 2/3)

Detailed schematic for the CD playback circuitry, part 2 of 3.

Schematic Diagrams - CD Section & USB

CD Circuit Diagram (Page 3/3) & USB Interface

Final part of CD circuit schematic and USB interface diagram.

Schematic Diagrams - Main Section 1

Main Circuit Diagram (Page 1/2)

Detailed schematic for the main processing unit circuitry, part 1 of 2.

Schematic Diagrams - Main Section 2

Main Circuit Diagram (Page 2/2)

Detailed schematic for the main processing unit circuitry, part 2 of 2.

Schematic Diagrams - Power Section

Power Supply Circuit Diagram

Detailed schematic for the power supply and AC input circuitry.

Exploded View - Mechanism

Mechanism Component Assembly Diagram

Exploded View - Unit Components

Unit Component Assembly and Part Identification

Parts List Introduction

Parts List - Capacitors and Inductors

Component Parts Listing (Capacitors C01-C53)

Parts List - Resistors and Fuses

Component Parts Listing (Resistors R01-R74, Fuses F01-F904)

Parts List - Resistors (R41-R75)

Component Parts Listing (Resistors R41-R75)

Parts List - Resistors (R75-R465)

Component Parts Listing (Resistors R75-R465)

Parts List - Semiconductors and ICs

Component Parts Listing (Transistors, Diodes, ICs)

System Specifications

Main Unit and Amplifier Specifications

Tuner and CD Player Specifications

USB Interface and Cassette Deck Specifications

Auxiliary, General, and Speaker Specifications