Sony Walkman D-EJ955 Service Manual

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3 7 63 1515 0
SERVICE MANUAL
Ver 1.1 2002.01
TE
L 13942296513
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 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
1-bit quartz time-axis control
Frequency response
+1
20 - 20 000 Hz dB (measured by JEITA CP-
– 2
307)
Output (at 4.5 V input level)
Line output (stereo minijack)
Output level 0.7 V rms at 47 kΩ
Recommended load impedance over 10 kΩ
Headphones (stereo minijack)
Appro x. 5 mW + Appro x. 5 mW a t 16 Ω
(Approx. 0.5 mW + Approx. 0.5 mW
at 16 Ω)*
*For the customers in France
Optical digital output (optical output connector)
Output level: –21 - –15 dBm
Wavelength: 630 - 690 nm at peak level
Power requirements
For the area code of the model you
purchased, check the upper left side of the
bar code on the package.
• Two Son y NC-6WM rechargeable batteries:
www
2.4 V DC
• Two LR6 (size AA) ba tteries: 3 V DC
.
Sony Corporation
9-873-376-02
2002A0500-1 Personal Audio Company
C 2002.1 Published by Sony Engineering Corporation
http://www.xiaoyu163.com
• AC power adaptor (DC IN 4.5 V jack):
AEP, French, East European, E13 models:
220 - 230 V, 50/60 Hz
UK model: 230 - 240 V, 50 Hz
Australian model : 240 V, 50 Hz
E33, Korean, Tourist models:
100 - 240 V, 50/60 Hz
Hong Kong model: 220 V, 50/60 Hz
Chinese model: 220 V, 50 Hz
Battery life* (approx. hours)
(When you use the CD player on a flat and stable
surface.)
Playing time va ries depending on how the CD
player is used.
When using
Two NC-6WM
(charged for
about 5 hours**)
External battery case
(two alkaline batteries***)
Rechargeable batteries
NC-6WM and
external battery case
(two alkaline batteries***)
* Measured value by the standard of JEITA
(Japan Electronics and Informa tion Te chnology
Industries Association).
** Charging time va ries depending on how the
re chargeable battery is used.
*** When using Sony alkaline ba tteries LR6 (SG)
(produced in Japan)
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http://www.xiaoyu163.com
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Model Name Using Similar Mechanism NEW
CD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Q Q
3 6 7 1 3 1 5
G-PROTECTION
"1" " 2"
19 19.5
66 71
88 92
co
.
D-EJ955
9 4 2 8
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
CDM-3325ES
DAX-25E
0 5 Operating temperature 8 2 9 9 4 2 8
5°C - 35°C (41°F - 95°F)
Dimensions (w/h/d) (excluding
projecting parts and controls)
Approx. 135.0 × 135.0 × 15.9 mm
× 5 ×
3 3 21
(5 ⁄ ⁄ ⁄ in.)
8 8 32
Mass (excluding accessories)
Approx. 166 g (5.9 oz)
Supplied accessories
For the area code of the location in which you
purchased the CD player, check the upper left side
of the bar code on the package.
AC power adaptor (1)
Headphones/earphones with remote control (1)
Rechargeable batteries (2)
Charging stand (1)
Battery carrying case (2)
Carrying pouch (1)
External battery case (1)
AC plug adaptor (1)*
* Supplied with E33 and tourist models
Design and specifications are subject to change
without notice.
• Abbreviation
E13: 220 - 230 V AC area in E model
E33: 100 - 240 V AC area in E model
m
PORTABLE CD PLAYER
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