DHC-NXM4D, HCD-NXM4D - Sony Audio Service Manual (repair manual). Page 2

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HCD-NXM4D
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
 damaged by heat.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
 circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
 or unsoldering.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
This appliance is classified as
a CLASS 1 LASER product.
This label is located on the rear
exterior.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH
MARK 
0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
Disc player section
System
Compact disc and digital audio and
video system
Laser
Semiconductor laser
(DVD: 
λ=650 nm, CD: λ=780 nm)
Emission duration: continuous
Frequency response
DVD (PCM 48 kHz):
2 Hz – 22 kHz (
±1 dB)
CD: 2 Hz – 20 kHz (
±1 dB)
Video color system format
Latin American model: NTSC
Other models: NTSC, PAL
Tape deck section
Recording system
4-track 2-channel stereo
Frequency response
50 – 13,000 Hz (
±3 dB), using Sony
TYPE I cassette
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range
87.5 – 108.0 MHz (50 kHz step)
Antenna
FM lead antenna
Antenna terminals
75 ohms unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Latin American models:
530 – 1,710 kHz
(with the interval set at 10 kHz)
531 – 1,710 kHz
(with the interval set at 9 kHz)
Saudi Arabian models:
531– 1,602 kHz
(with the interval set at 9 kHz)
Other models:
531 – 1,602 kHz
(with the interval set at 9 kHz)
530 – 1,710 kHz
(with the interval set at 10 kHz)
Antenna
AM loop antenna
Antenna terminals
External antenna terminal
Intermediate frequency
450 kHz
General
Power requirements
Australian model:
230 – 240 V AC, 50/60 Hz
Saudi Arabian model:
120 – 127 V or 220 – 240 V AC,
50/60 Hz
Adjustable with voltage selector
Thai model:
220 V AC, 50/60 Hz
Other models:
120 V or 220 – 240 V AC, 50/60 Hz
Adjustable with voltage selector
Power consumption
315 watts
Dimensions (w/h/d)
Approx. 230 x 290 x 355 mm
Mass
Approx. 7.0 kg
Design and specifications are subject to change without notice.
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