D-CS901
US Model
Canadian Model
AEP Model
UK Model
SERVICE MANUAL
PORTABLE CD PLAYER
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
9-874-052-01
2002F1600-1
© 2002.06
SPECIFICATIONS
Ver 1.0 2002. 06
Model Name Using Similar Mechanism
D-SJ301
CD Mechanism Type
CDM-3125ER
Optical Pick-up Name
DAX-25E
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength:
λ
= 780 nm
Emission duration: Continuous
Laser output: Less than 44.6
µ
W
(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
20 - 20 000 Hz
0
dB (measured by JEITA CP-
307)
Output (at 4.5 V input level)
Headphones (stereo minijack)
Approx. 5 mW + Approx. 5 mW at 16
Ω
Power requirements
For the area code of the model you
purchased, check the upper left side of the
bar code on the package.
• 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):
U2/CA2 model: 120 V, 60 Hz
CED model: 220 - 230 V, 50/60 Hz
CEK model: 230 - 240 V, 50 Hz
Battery life
*
(approx. hours)
(When you use the CD player on a flat and stable
surface.)
Playing time varies depending on how the CD
player is used.
Figures in brackets show the playing time of
MP3 files.
When using
G-PROTECTION function
“1”
“2”
NH-WM2AA
22
23
(charged for
[16]
[16]
about 5 hours**)
Two Sony alkaline
37
38
batteries LR6 (SG)
[24]
[24]
(produced in Japan)
* Measured value by the standard of JEITA (Japan
Electronics and Information Technology
Industries Association).
** Charging time varies depending on how the
rechargeable battery is used.
Operating temperature
• Abbreviation
5
°
C - 35
°
C (41
°
F - 95
°
F)
Dimensions (w/h/d) (including
projecting parts and controls)
Approx. 134.1
×
38.5
×
147.8 mm
(5
1
⁄
4
×
1
1
⁄
2
×
5
7
⁄
8
in.)
Mass (excluding accessories)
Approx. 321 g (11.4 oz.)
Design and specifications are subject to change
without notice.
U2
: US model
CA2
: Canadian model
CED
: AEP model
CEK
: UK model
–4.5
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 (1)
Hand strap (1)