Sony D-EQ550 Service Manual

QQ
3 7 63 1515 0
SERVICE MANUAL
Ver 1.0 2002.02
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.)
Error correction
Sony Super Strategy Cross Interleave Reed
Solomon Code
D-A conversion
1-bit quartz time-axis control
Frequency response
+1
20 - 20 000 Hz dB (measured by JEITA CP-307)
–5
Output (at 4.5 V input level)
Headphones (stereo minijack)
Approx. 10 mW + approx. 10 mW at 16 Ω
(Approx. 1 mW + approx. 1 mW at 16 Ω *)
* For the customers in France
Power requirements
For the area code of the model you purchased, check the upper left
side of the bar code on the package.
• Two LR6 (size AA) batteries: 3 V DC
• AC power adaptor (DC IN 4.5 V jack):
US, CND models: 120 V, 60 Hz
AEP, FR, EE, E models: 220 – 230 V, 50/60 Hz
www
.
Sony Corporation
9-873-599-01
2002B0500-1 Personal Audio Company
C 2002.02 Published by Sony Engineering Corporation
http://www.xiaoyu163.com
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D-EQ550
2 9
8
Model Name Using Similar Mechanism
MD Mechanism Type
Optical Pick-up Mechanism Type
SPECIFICATIONS
Q Q
3 6 7 1 3 1 5
Dimensions (w/h/d) (without projecting parts and controls)
Approx. 130.6 × 29.8 × 150.5 mm
× 1 × 6 in.)
(5 ⁄ ⁄
1 3
4 16
Mass (excluding accessories)
Approx. 210 g (7.5 oz)
Operating temperature
5°C – 35°C (41°F – 95°F)
Supplied accessories
For the area code of the model you purchased, check the upper left
side of the bar code on the package.
Headphones (1)
Lid cover (1)
Headphones caps (1 pair)
Design and specifications are subject to change without notice.
• Abbreviation
CND : Canadian model
EE : East European model
FR : French model
co
.
9 4 2 8
US Model
Canadian Model
AEP Model
E Model
D-E350
CDM-3125ER
DAX-25E
0 5 8 2 9 9 4 2 8
m
PORTABLE CD PLAYER
9 9
9 9