Sony D-FJ737 Service Manual

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SERVICE MANUAL
Ver 1.0 2001.09
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.)
D-A conversion
1-bit quartz time-axis control
Frequency response
+1
20 - 20 000 Hz dB (measured by JEITA CP-307)
–2
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
www
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9-873-293-01 Sony Corporation
Personal Audio Company
2001I0200-1
Shinagawa Tec Service Manual Production Group
© 2001.9
http://www.xiaoyu163.com
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D-FJ737
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Model Name Using Similar Mechanism D-EJ725
CD Mechanism Type
Optical Pick-up Type

SPECIFICATIONS

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Frequency range (tuner-remotecontrol)
FM: 87.5 - 108.0 MHz
AM: 531 - 1 602 kHz
Power requirements
For the area code of the model you
purchased, check the upper left side of the
bar code on the package.
CD player:
• 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):
E13 model:
220 - 230 V, 50/60 Hz
Korean model: 100 - 240 V, 50/60 Hz
Hong Kong model: 220 V, 50/60 Hz
Chinese model: 220 V, 50 Hz
Tuner-remote control (when used separately):
• One R03 (size AAA) battery: 1.5 V DC
FM/AM PORTABLE CD PLAYER
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E Model
Chinese Model
CDM-3123EBA
DAX-23E
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