Sony D-F20 Service Manual

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SERVICE MANUAL
Ver 1.0 2001.05
TE
L 13942296513
CD player
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
20 - 20,000 Hz +1/–2 dB
(measured by EIAJ CP-307)
Output (at 4.5 V input level)
Headphones (stereo minijack)
Approx. 12 mW + Approx. 12 mW
at 16 ohms
www
.
Sony Corporation
9-873-148-01
2001E0400-1 Personal Audio Company
© 2001.5 Shinagawa Tec Service Manual Production Group
http://www.xiaoyu163.com
Radio
Frequency range (STEP switch)
9 kHz step:
FM: 87.5 - 108.0 MHz
AM: 531 - 1,710 kHz
10 kHz step:
FM: 87.5 - 108.0 MHz
AM: 530 - 1,710 kHz
Antenna
FM: Headphones cord antenna
AM: Built-in ferrite bar antenna
General
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):
120 V, 60Hz
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Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Q Q
3 6 7 1 3 1 5
FM/AM PORTABLE CD PLAYER
co
.
D-F20
9 4 2 8
US Model
D-E220/E225/E226CK
CDM-3123EBA
DAX-23E
0 5 8 2 9 9 4 2 8
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 ESP
on
Two sony alkaline 24
batteries LR6(SG)
* 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
5°C - 35°C (41°F - 95°F)
Dimensions (w/h/d) (excluding projecting
parts and controls)
Approx. 161 × 26.3 × 130.3 mm
× 1 × 5
(6 in.)
3/8 1/16 1/4
Mass (excluding accessories)
Approx. 210 g (7.5 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.
Headphones (1)
Design and specifications are subject to change
without notice.
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RADIO
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