Sony ICF-CD837 Service Manual

SERVICE MANUAL
Ver. 1.1 2005.07
AUDIO POWER SPECIFICATIONS (US model)
POWER OUTPUT AND TOTAL HARMONIC DISTORTION
With 8-ohm loads, both channels driven from 100 – 10,000 Hz; rated
1.0 W per channel minimum RMS power, with no more than 10% total
harmonic distortion in AC operation.
CD player section
System:
Compact disc digital audio system
Laser diode properties:
Material: GaAlAs
Wavelength: 780 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance of
about 200 mm from the objective lens surface on
the optical pick-up block with 7 mm aperture.)
Frequency response:
+1
20 – 20,000 Hz dB
–1.5
Wow and flutter:
Below measurable limit
Radio section
Frequency range:
FM: 87.5 – 108 MHz
AM: 530 – 1,710 kHz
Sony Corporation
9-879-522-02
2005G04-1 Personal Audio Group
© 2005.07 Published by Sony Engineering Corporation
ICF-CD837
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Optical Pick-up Name
SPECIFICATIONS
General
Time display:
12-hour system
Speaker:
66 mm (2 inches) dia., 8 Ω
5 ⁄8
Power outputs:
1 W + 1 W (at 10% harmonic distortion)
Power requirements:
120 V AC, 60 Hz (Except Australian model)
230 V AC, 50 Hz (Australian model)
Dimensions:
Approx. 246 × 96 × 210 mm (w/h/d)
(Approx. 9 × 3
3/4
projecting parts and controls
Mass:
Approx. 1,750 g (3 lb. 86 oz.)
Design and specifications are subject to change without
notice.
FM/AM CD CLOCK RADIO
US Model
Canadian Model
E Model
Australian Model
ICF-CD832
KSM-213CDP
KSS-213C
× 8 inches) incl.
7/8 3 ⁄8
1