Sony D-EJ985 Service Manual

SERVICE MANUAL
Ver 1.0 2002.10
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)
Approx. 5 mW + Approx. 5 mW at 16 Ω
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 Sony NH-14WM (A) rechargeable
batteries: 2.4 V DC
• Two LR6 (size AA) batteries: 3 V DC
Sony Corporation
9-874-204-01
2002J0500-1 Personal Audio Company
C 2002.10 Published by Sony Engineering Corporation
Model Name Using Similar Mechanism NEW
CD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
• AC power adaptor (DC IN 4.5 V jack):
UK model: 230 - 240 V, 50 Hz
E, Korean and tourist
models: 100 - 240 V, 50/60 Hz
Hong Kong model: 230 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 varies depending on how the CD
player is used.
When using G-PROTECTION
"1"
Two NH-14WM (A) 43
(charged for
about 5 hours**)
External battery case 69
(two alkaline batteries***)
Two NH-14WM (A) and 113
external battery case
(two alkaline batteries***)
* 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.
*** When using Sony alkaline batteries LR6 (SG)
(produced in Japan)
D-EJ985
Chinese Model
Tourist Model
CDM-3325ER
DAX-25E
Operating temperature
5°C - 35°C (41°F - 95°F)
Dimensions (w/h/d) (excluding
projecting parts and controls)
Approx. 135.0 × 135.0 × 16.2 mm
3 3 21
(5 ⁄ × 5 ⁄ × ⁄ in.)
8 8 32
Mass (excluding accessories)
Approx. 174 g (6.2 oz)
Supplied accessories
AC power adaptor (1)
Headphones/earphones with remote control (1)
"2"
Rechargeable batteries (2)
Charging stand (1)
44
Battery carrying case (2)
Carrying pouch (1)
External battery case (1)
74
AC plug adaptor (1)*
* Supplied with tourist model only
120
Design and specifications are subject to change
without notice.
PORTABLE CD PLAYER
UK Model
E Model