Read Sony CMT-NEZ3 / CMT-NEZ5 / HCD-NEZ3 / HCD-NEZ5 (serv.man3) Service Manual online
2
HCD-NEZ3/NEZ5
1.
GENERAL
...................................................................
3
2.
DISASSEMBLY
2-1.
Disassembly Flow ...........................................................
5
2-2.
Cabinet .............................................................................
5
2-3.
Cabinet (Top) Section ......................................................
6
2-4.
Base Unit (BU-K8BD83S-WOD) ...................................
6
2-5.
Front Panel Section .........................................................
7
2-6.
Mechanical Deck (CMAL5Z235A) ................................
7
2-7.
MAIN Board ....................................................................
8
2-8.
Tuner (FM/AM) ...............................................................
8
3.
TEST MODE
..............................................................
9
4.
ELECTRICAL ADJUSTMENTS
......................... 10
5.
DIAGRAMS
5-1.
Block Diagram – CD SERVO Section – ......................... 13
5-2.
Block Diagram – MAIN Section – .................................. 14
5-3.
Printed Wiring Board – CD Board – ............................... 16
5-4.
Schematic Diagram – CD Board – .................................. 17
TABLE OF CONTENTS
5-5.
Printed Wiring Boards – MAIN Section – ...................... 18
5-6.
Schematic Diagram – MAIN Section (1/2) – .................. 19
5-7.
Schematic Diagram – MAIN Section (2/2) – .................. 20
5-8.
Printed Wiring Board – PANEL Board – ........................ 22
5-9.
Schematic Diagram – PANEL Board – ........................... 23
5-10. Printed Wiring Boards – DC Section – ........................... 24
5-11. Printed Wiring Board – AC Board – ................................ 25
5-12. Schematic Diagram – POWER SUPPLY Section – ........ 26
5-11. Printed Wiring Board – AC Board – ................................ 25
5-12. Schematic Diagram – POWER SUPPLY Section – ........ 26
6.
EXPLODED VIEWS
6-1.
Cabinet Section ................................................................ 32
6-2.
Mechanical Deck Section ................................................ 33
6-3.
Panel Board Section ........................................................ 34
6-4.
Cabinet (Top) Section ...................................................... 35
6-5.
MAIN Board Section ....................................................... 36
6-6.
AC Board, DC Board Section ......................................... 37
7.
ELECTRICAL PARTS LIST
................................ 38
SPECIFICATIONS
Main unit
Amplifier section
DIN power output (rated): 11 + 11 W (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference): 15 + 15 W (6 ohms at 1 kHz,
10% THD)
Music power output (reference): 28 + 28 W
Continuous RMS power output (reference): 15 + 15 W (6 ohms at 1 kHz,
10% THD)
Music power output (reference): 28 + 28 W
Inputs
AUDIO IN: Sensitivity 250 mV, impedance 47 kilohms
Outputs
PHONES: Accepts headphones with an impedance of 8 ohms or more
SPEAKER: Accepts impedance of 6 to 16 ohms
SPEAKER: Accepts impedance of 6 to 16 ohms
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6
Laser Output*: Less than 44.6
µW
* This output is the value measurement at a distance of 200 mm from the
objective lens surface on the Optical Pick-up Block with 7mm aperture.
Tape deck section
Recording system: 4-track 2-channel, stereo
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
Antenna terminals: 75 ohms unbalanced
Intermediate frequency: 10.7 MHz
AM tuner section:
Tuning range: 531
− 1,602 kHz (with 9 kHz tuning interval)
Antenna: AM loop antenna, external antenna terminal
Intermediate frequency: 450 kHz
Intermediate frequency: 450 kHz
General
Power requirements: AC 230 V, 50/60 Hz
Power consumption: 45 watts
Power consumption: 45 watts
0.5 watts (in Power Saving Mode)
Dimensions (w/h/d) (excl. speakers): Approx. 164
× 235 × 265 mm
Mass (excl. speakers): Approx. 3.3 kg
Design and specifications are subject to change without notice.
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