Sony d ej 620 service manual

Page 1

D-E666/EJ620/EJ621/EJ622/
EJ623/EJ625/EJ6260K

SERVICE MANUAL

Ver 1.4 2001.11
with SUPPLEMENT-1

US Model

D-EJ621/EJ622/EJ625/EJ62BCK

Canadian Model
UK Model

(9-873-048-81)
E Model
Austral/an Model
D-EJ621/EJ625/EJ6260K
W. \LALKMAA
fi"5°li5'3> AE P Model
D-EJ620/EJ621/EJ623/EJ625/EJ6260K
W Chinese Model
D-EJ621/EJ625
Tour/st Model
D-E666
Photo : D-EJ620
Model Name Using Similar Mechanism D-EJ711
CD Mechanism Type CDM-3123EBA
Optical Pick-up Type BAX-23E
SPECIFICATIONS
System Power requirements Battery lite (approx. hours)

For the area code of the model you purchased,
check the upper left side of the bar code on the
package.
- Two Sony NC-WMAA rechargeable
batteries: 2.4 V DC,
- Sony NH-WM2AA rechargeable batteries:
2.4 V DC,
- Two LR6 (size AA) batteries: 3 V DC
- AC power adaptor (DC IN 4.5 V jack):
US, Canadian, C&SA, MX model:
120 V, 60 Hz
AEP, FR, G, EE, E13, G model:
220 - 230 V, 50/60 Hz
UK, 3AEP'7 model: 230 - 240 V, 50 Hz
AUS model: 240 V, 50 Hz
J'EW, E33 model: 100 - 240 V, 50/60 Hz
HK model: 220 V, 50/60 Hz
AR, CH model: 220 V, 50 Hz
- Sony DCC-E345 car battery cord for use on
car battery : 4.5V DC

Compact disc digital audio system

Laser diode properties
Material: GaAIAs
Wavelength : it: 780 nm
Emission duration: Continuous
Laser output : Less than 44.6 11W
(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 )

D-A conversion
l-bit quartz time-axis control

Frequency response
20 - 20,000 Hz 2 dB (measured by EIAJ CP-
307)

Output (at 4.5 V input level)

Line output (stereo minijack)
Output level 0.7 V rms at 47 kilohms
Recommended load impedance over 10
kilohms

Headphones (stereo minijack)
Approx 5 mW + Approx. 5 mW at 16 Q
(Approx. 1 mW + Approx. 1 mW at 16 Q)*
*For the customers in France

9-873-048-15 Sony Corporation
2001 K0200-1 Personal Audio Company
©2001.11 Published by Sony Engineering Corporation

(When you use the CD player on a flat and
stable surface.)

Playing time varies depending on how the CD
player is used.

When using G-PROTECTION function
on off

Tow NC-WMAA 10 8

(charged for about 3 hours**)

NH-WM2AA 21 18

(charged for about 5 hours**)

Two Sony alkaline batteries 36 32

LR6 (SG)

* Measured value by the standard of EIAJ
(Electronic Industries Association of Japan).

** Charging time varies depending on how the
rechargeable battery is used.

Operating temperature
5C - 35°C (41°F - 95°F)

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PORTABLE CD PLAYER
ONY;