Kenwood RXD-503 User Manual

70%
MINI HiFi COMPONENT SYSTEM
RXD-303/303E/353/353E/503/503E/553/553E/
SERVICE MANUAL
(XD-303~A73)**
© 2000-3/B51-5605-00 (K/K) 3633
DISC
1
DISC
2
DISC
3
STANDBY
TIMER
DISPLAY/DEMO
MENU
SELECTBACK ENTER
SOUND
CONTROL
TUNING
MODE
M
U
L
T
I
C
O
N
T
R
O
L
REC/ARM
REVERSE
MODE
TAPE EQ.
PHONES
DISC SKIP
OPEN/
CLOSE
E
X
.
B
A
S
S
PUSH
OPEN
PUSH
OPEN
DECK
PLAY
A DECK
REC/PLAY
B
VOLUME
CONTROL
Panel ass'y *
(A60-)
Knob *
(K29-)
Panel(CD) *
(A29-)
Front glass *
(B10-)
Knob *
(K29-)
Phone jack
(E11-0280-05)
553-GR/553E-GR/653/653E/A33/A53/A53-GR
* Refer to parts list on page 33.
In compliance with Federal Regulations, following are repro-
ductions 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

Kenwood RXD-503 Specifications

General

Brand	Kenwood
Model	RXD-503
Category	Stereo System
Language	English

Summary

Kenwood Mini Hi-Fi Component System Service Manual

External View of the Component System

Disassembly for Repair Procedures

Tray Opening Procedure

Instructions on how to open the disc tray if it does not come out.

System Block Diagram

Circuit Description and Initial Setup

Setting Initial Conditions

Procedure for setting initial conditions by plugging in the AC cord.

Initializing Operation

Microcomputer initialization process upon initial power-on.

Initial Items Configuration

List of initial settings for amplifier, tuner, display, and clock.

Mechanism Initialization and Errors

Details on CD and DECK mechanism initialization and error indication.

Tuner Destination List

Table listing tuner destinations, types, band, frequency, and channel space.

Test Mode Operations

Microprocessor Periphery Block Diagram

Microprocessor Pin Descriptions

Adjustment Procedures

Idle Current and Laser Adjustment

Procedures for adjusting idle current and checking laser current.

Cassette Deck and Board Adjustments

System Wiring Diagram

Parts Descriptions and Coding

Capacitor Coding and Value Explanation

Explanation of capacitor coding for value, tolerance, and voltage rating.

Resistor Coding and Value Explanation

Explanation of resistor coding for value, wattage, and type.

Exploded View - Mechanism

Exploded View - Unit Components

Parts List

Parts List for RXD-553/553E/553-GR/553E-GR/A53/A53-GR

List of part numbers, descriptions, and destination codes for specific models.

Parts List for RXD-353/353E/A33

List of part numbers, descriptions, and destination codes for specific models.

How to Read the Parts List

System Specifications

Amplifier Section Specifications

Detailed power output, distortion, and sensitivity specifications for the amplifier.

Cassette Deck Section Specifications

Specifications for track, recording system, heads, and fast winding time.

CD Player Section Specifications

Specifications for laser wavelength, power class, and wow & flutter.

Tuner Section Specifications

Frequency ranges for FM and AM tuning, including steps and destinations.

General Specifications

Specifications for power consumption, dimensions, and net weight.