Sony D-EJ100 User Manual

SERVICE MANUAL
Model Name Using Similar Mechanism New
CD Mechanism Type CDM-3325ER
Optical Pick-up Type DAX-25E
US Model
Canadian Model
D-EJ100/EJ106CK
AEP Model
D-EJ100/EJ101
UK Model
D-EJ101
E Model
D-EJ100/EJ101/EJ101CK
Australian Model
D-EJ100/EJ106CK
SPECIFICATIONS
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: £f = 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW (This output is the value
measured at a distance of 200 mm from the objective lens
surface on the optical pick-up block with 7 mm aperture.)
Power requirements
• Two size AA (LR6) batteries: 1.5 V DC x 2
• AC power adaptor (DC IN 4.5 V jack):
100 - 240 V, 50/60 Hz (AEP, UK, EE, E18, Saudi Arabia, Thai)
120 V, 60 Hz (US, Canadian, C&SA, Mexican)
240 V, 50 Hz (Australian)
Dimensions (w/h/d) (without projecting parts and controls)
Approx. 135.8 x 22.8 x 135.8 mm (5
3
⁄
8
x
29
⁄
32
x 5
3
⁄
8
in.)
Approx. 135.8 x 23.5 x 135.8 mm (5
3
⁄
8
x
15
⁄
16
x 5
3
⁄
8
in.)*
*Psyc model
Mass (excluding accessories)
Approx. 180 g (6.4 oz)
Approx. 188 g (6.7 oz)*
*Psyc model
Operating temperature
5°C - 35°C (41°F - 95°F)
Design and specifications are subject to change without notice.
Supplied Accessories
D-EJ100/EJ101/EJ101CK/EJ106CK
Ver 1.2 2004. 04
Sony Corporation
Parsonal Audio Company
Published by Sony Engineering Corporation
9-961-981-03
2004D02-1
© 2004.04
PORTABLE CD PLAYER
Photo : D-EJ100
AC power adaptor (1) a*
1
a a*
1
Headphones/earphones (1) a*
1
– a
Headphones/earphones a*
2
a –
with remote control (1)
Car connecting pack (1) – – a
Car battery cord (1) – – a
Rotary commander (1) – – a
Velcro tapes for the CD – – a
player (2)
Velcro tape for the rotary – – a
commander (1)
Active speaker system (1) – – –
*1 Not supplied with US and Canadian model
*2 Supplied with US and Canadian model
*3 “Operating Instructions for the car kit” is enclosed.
For the models supplied with the remote control
Use only the supplied remote control. You cannot operate
this CD player with the remote control supplied with other
CD players.
D-EJ101CK/EJ106CK*
3
D-EJ101
D-EJ100

Sony D-EJ100 Specifications

General

Type	Portable CD Player
Anti-Shock Protection	Yes
Anti-Shock Memory	40 seconds
Display	LCD
Playable CD Formats	CD-DA, CD-R, CD-RW
Audio Output	Headphone jack
Power Source	2 x AA batteries or AC adapter
Weight	Approx. 190g (6.7 oz) without batteries

Summary

Product Specifications

System Overview

Provides details about the CD player's audio system.

Laser Diode Properties

Details the laser diode material, wavelength, and output power.

Power Requirements

Specifies the power sources, including batteries and AC adapter.

Physical Dimensions and Mass

Lists the player's dimensions and weight excluding accessories.

Operating Temperature

Defines the acceptable operating temperature for the device.

Supplied Accessories

Servicing Notes

Component Handling and Safety Precautions

Guidelines for handling optical components, laser safety, and chip replacement.

General

Locating Controls

Identifies the location and function of the CD player's buttons and jacks.

Disassembly

Upper Lid and Cabinet Disassembly

Steps for disassembling the upper lid and cabinet sections.

MD Assembly and Main Board Removal

Instructions for removing the MD assembly and the main circuit board.

Motor and Optical Pick-up Disassembly

Details on disassembling motor assemblies and the optical pick-up.

Electrical Adjustments

Adjustment Precautions and Focus Bias Check

Procedures for checking focus bias and RF signal waveform.

Diagrams

Block Diagram and Printed Wiring Boards

Overview of system blocks and layout of main board components (Side A & B).

Main Section Schematic Diagrams

Detailed circuit schematics for the main section (1/3, 2/3, 3/3).

IC Pin Function Descriptions

Detailed explanation of pin functions for integrated circuits.

Exploded Views

Upper Lid, Cabinet, and Optical Pick-up Parts

Exploded views detailing components of the lid, cabinet, and pick-up sections.

Electrical Parts List