Sony D-EJ360 User Manual

D-EJ360/EJ368CK
SERVICE MANUAL
Photo : D-EJ360 (YELLOW)
Model Name Using Similar Mechanism New
CD Mechanism Type CDM-3325ER
Optical Pick-up Type DAX-25E
Ver 1.2 2003.05
US Model
Canadian Model
AEP Model
E Model
D-EJ360/EJ368CK
Australian Model
D-EJ368CK
9-877-027-03
2003E02-1
© 2003.05
Sony Corporation
Personal Audio Company
Pubulished by Sony Engineering Corporation
PORTABLE CD PLAYER
SPECIFICATIONS
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW (This output is the valuemeasured at a
distance of 200 mm from the objective lens surface on the optical pick-up
block with 7 mm aperture.)
Power requirements
For the area code of the model you purchased, check the upper left side of
the bar code on the package.
• Two LR6 (size AA) batteries: 3 V DC
• AC power adaptor (DC IN 4.5 V jack): 120 V, 60 Hz
US, Canadian, Mexican, C&SA models : 120 V, 60 Hz
EJ360 : AEP, EE, E models : 220-230 V, 50/60 Hz
Australian model : 240 V, 50 Hz
EJ368CK : AEP model : 100-240 V, 50/60 Hz
Dimensions (w/h/d) (without projecting parts and controls)
Approx. 136 x 26 x 150 mm (5
3
⁄
8
x 1
1
⁄
16
x 6 in.)
Mass (excluding accessories)
Approx. 185 g (6.6 oz)
Operating temperature
5°C - 35°C (41°F - 95°F)
Design and specifications are subject to change without notice.
Supplied Accessories
D-EJ360: Headphones/earphones (1)
D-EJ368CK*:
AC power adaptor (1)
Headphones/earphones (1)
Car connecting pack (1)
Car battery cord (1)
Rotary commander (1)
Velcro tape for the CD player (2)
Velcro tape for the rotary commander (1)
* “Operating Instructions for the car kit” is enclosed.

Sony D-EJ360 Specifications

General

Type	Portable CD Player
Battery Life	up to 20 hours
Anti-Shock Protection	Yes
Anti-Skip Protection	Yes
Battery Type	2 x AA
Frequency Response	20 Hz - 20 kHz
Signal-to-Noise Ratio	90 dB
Playback Formats	CD-DA, CD-R, CD-RW
Output	Headphone output
Output Power	5 mW

Summary

SPECIFICATIONS

Laser diode properties

Details of the laser diode used in the CD player, including material and wavelength.

Power requirements

Specifies voltage and battery requirements for different regions and AC adapters.

SERVICING NOTES

Handling the Optical Pick-up Block

Precautions for handling the optical pick-up block to prevent electrostatic breakdown or damage.

Laser Diode Emission Check

Methods for checking the laser diode emission, including safety distance and procedure.

DISASSEMBLY

ELECTRICAL ADJUSTMENTS

Focus Bias Check

Procedure and conditions for performing the focus bias check using an oscilloscope.

5-4. SCHEMATIC DIAGRAM - MAIN SECTION (1/3)

5-5. SCHEMATIC DIAGRAM - MAIN SECTION (2/3)

5-6. SCHEMATIC DIAGRAM - MAIN SECTION (3/3)

5-7. IC PIN FUNCTION DESCRIPTION

SECTION 6 EXPLODED VIEWS

SECTION 7 ELECTRICAL PARTS LIST

Components Overview

A comprehensive list of electrical components including resistors, capacitors, semiconductors, and coils.