Sony HCD-NEZ50 Service Manual

SERVICE MANUAL
Ver. 1.3 2007.04
• HCD-NEZ50 is the amplifier, CD player, tape deck
and tuner section in CMT-NEZ50.
Amplifier section
European model:
DIN power output (rated): 18 + 18 W (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference): 25 + 25 W (6 ohms at 1 kHz,
10% THD)
Music power output (reference): 38 + 38 W
The following are measured at AC 220 V, 50/60 Hz (Argentina model),
AC 120 V, 60 Hz (Mexican model), AC 120, 220 or 230 − 240 V, 50/60 Hz
(other models)
DIN power output (rated): 14 + 14 W (6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference): 20 + 20 W (6 ohms at 1 kHz,
10% THD)
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
CD player section
System: Compact disc and digital audio system
Laser Diode Properties
Emission Duration: Continuous
Laser Output*: Less than 44.6µW
* 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
Sony Corporation
9-887-080-04
Personal Audio Division
2007D05-1
© 2007.04 Published by Sony Techno Create Corporation
HCD-NEZ50
Model Name Using Similar Mechanism
CD Section Base Unit Name
Optical Pick-up block Name
Model Name Using Similar Mechanism
TAPE Section
Tape Transport Mechanism Type

SPECIFICATIONS

AM tuner section:
Tuning range
Pan-American model: 530 − 1,710 kHz (with 10 kHz tuning interval)
European model: 531 − 1,602 kHz (with 9 kHz tuning interval)
Other models: 530 − 1,710 kHz (with 10 kHz tuning interval)
Antenna: AM loop antenna, external antenna terminal
Intermediate frequency: 450 kHz
General
Power requirements
Mexican model: AC 120 V, 60 Hz
European model: AC 230 V, 50/60 Hz
Korean model: AC 220 V, 60 Hz
Argentina model: AC 220 V, 50/60 Hz
Other models: AC 120, 220 or 230 − 240 V, 50/60 Hz
Adjustable with voltage selector
Power consumption:
European model: 60 watts
Other models: 50 watts
Dimensions (w/h/d) (excl. speakers):
Approx. 164 × 235 × 267 mm
Mass (excl. speakers):
Approx. 3.7 kg
Design and specifications are subject to change without notice.
COMPACT DISC DECK RECEIVER
AEP Model
UK Model
NEW
BU-K8BD83S-WOD
KSM-213CDP
NEW
CMAL5Z235A
531 − 1,710 kHz (with 9 kHz tuning interval)
531 − 1,602 kHz (with 9 kHz tuning interval)
0.5 watts (in Power Saving Mode)
E Model