Ver 1.1 2002.01
9-873-390-02
2002A0200-1
© 2002.1
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
SERVICE MANUAL
PORTABLE CD PLAYER
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
Tourist Model
Model Name Using Similar Mechanism
D-EJ621
CD Mechanism Type
CDM-3123EBA
Optical Pick-up Type
DAX-23E
SPECIFICATIONS
D-CJ01
– Continued on page 2 –
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
+1
dB (measured by JEITA CP-307)
Output (at 4.5 V input level)
Line output (stereo minijack)
Output level 0.7 V rms at 47 k
Ω
Recommended load impedance over 10 k
Ω
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.
• 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 model:
120 V, 60 Hz
AEP / French / EE / E13 model:
220 - 230 V, 50/60 Hz
UK model: 230 - 240 V, 50 Hz
Australian model: 240 V, 50 Hz
Korean model: 100 - 240 V,
50/60 Hz
Hong Kong model: 220 V, 50/60 Hz
Chinese model: 220 V, 50 Hz
Tourist model: 100-240V, 50/60Hz
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Summary of Contents for WALKMAN D-CJ01
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