SERVICE MANUAL
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
E Model
Australian Model
SUPER AUDIO CD/DVD RECEIVER
9-879-747-01
2005E1678-1
© 2005.05
HCD-DZ770W
HCD-DZ770W is the amplifier, DVD/CD and
tuner section in DAV-DZ770W.
SPECIFICATIONS
Model Name Using Similar Mechanism
HCD-DZ300
Mechanism Type
CDM85-DVBU102
Optical Pick-up Name
KHM-310CAA/C2NP
This system incorporates with Dolby*
1
Digital and Dolby Pro Logic
(II) adaptive matrix surround decoder and the DTS*
2
Digital
Surround System.
*1 Manufactured under license from Dolby Laboratories.
“Dolby,” “Pro Logic,” and the double-D symbol are trademarks
of Dolby Laboratories.
*2 Manufactured under license from Digital Theater Systems, Inc.
“DTS” and “DTS Digital Surround” are trademarks of
Digital Theater Systems, Inc.
Amplifier section
Stereo mode (rated)
55 W + 55 W (3 ohms at 1
kHz, DIN)
Surround mode (reference) music power output
Front: 120 W + 120 W
(with SS-TS45)
Center*: 120 W
(with SS-CT45)
Surround*: 120 W + 120
W
(with SS-TS45B)
Subwoofer*: 200 W
(with SS-WS42)
* Depending on the sound field settings and the source,
Sensitivity: VIDEO 250
mV/SAT 450 mV
Impedance: 50 kilohms
Input (Digital)
SAT (Optical)
AUDIO IN
Sensitivity: 250/150 mV
Impedance: 50 kilohms
Phones
Accepts low-and high-
impedance headphones.
Super Audio CD/DVD system
Laser
Semiconductor
laser
(Super Audio CD/DVD:
= 650 nm)
(CD: = 790 nm)
Emission duration:
continuous
Signal format system
NTSC/PAL
Frequency response (at 2 CH STEREO mode)
DVD (PCM): 2 Hz to 22
kHz (
±
1.0 dB)
CD: 2 Hz to 20 kHz (
±
1.0
dB)
Harmonic distortion
Less than 0.03 %
Tuner section
System
PLL quartz-locked digital
synthesizer system
FM tuner section
Tuning range
87.5 – 108.0 MHz (50 kHz
step)
Antenna (aerial)
FM wire antenna (aerial)
Antenna (aerial) terminals 75 ohms, unbalanced
λ
λ
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Middle Eastern 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 (aerial)
AM loop antenna (aerial)
Intermediate frequency
450 kHz
Video section
Outputs
Video: 1 Vp-p 75 ohms
S video:
Y: 1 Vp-p 75 ohms
C: 0.286 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P
B
/C
B
, P
R
/C
R
: 0.7 Vp-p
75 ohms
Input
VIDEO, SAT: 1 Vp-p 75
ohms
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