Sony HCD-DZ770W Service Manual

QQ
3 7 63 1515 0

SERVICE MANUAL

Ver. 1.0 2005.05
HCD-DZ770W is the amplifier, DVD/CD and
tuner section in DAV-DZ770W.
This system incorporates with Dolby*
(II) adaptive matrix surround decoder and the DTS*
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
TE
L 13942296513
Digital Theater Systems, Inc.
Amplifier section
Stereo mode (rated)
Surround mode (reference) music power output
* Depending on the sound field settings and the source,
there may be no sound output.
Inputs (Analog)
VIDEO, SAT
Input (Digital)
SAT (Optical)
AUDIO IN
Phones
www
.
Sony Corporation
9-879-747-01
Audio Group
2005E1678-1
Published by Sony Engineering Corporation
© 2005.05
http://www.xiaoyu163.com
HCD-DZ770W
1
Digital and Dolby Pro Logic
2
Digital
Super Audio CD/DVD system
55 W + 55 W (3 ohms at 1
Laser
kHz, DIN)
Front: 120 W + 120 W
(with SS-TS45)
Center*: 120 W
(with SS-CT45)
Signal format system
Surround*: 120 W + 120 Frequency response (at 2 CH STEREO mode)
W
(with SS-TS45B)
Subwoofer*: 200 W
(with SS-WS42)
Harmonic distortion
Tuner section
System
Sensitivity: VIDEO 250
FM tuner section
mV/SAT 450 mV
Tuning range
Impedance: 50 kilohms
Antenna (aerial)
Antenna (aerial) terminals 75 ohms, unbalanced
Sensitivity: 250/150 mV
Intermediate frequency
Impedance: 50 kilohms
Accepts low-and high-
impedance headphones.
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
Q Q
3 6 7 1 3 1 5
SPECIFICATIONS
Semiconductor laser
(Super Audio CD/DVD:
= 650 nm)
λ
(CD: = 790 nm)
Emission duration:
continuous
NTSC/PAL
DVD (PCM): 2 Hz to 22
kHz (±1.0 dB)
CD: 2 Hz to 20 kHz (±1.0
dB)
Less than 0.03 %
PLL quartz-locked digital
synthesizer system
87.5 – 108.0 MHz (50 kHz
step)
FM wire antenna (aerial)
10.7 MHz
SUPER AUDIO CD/DVD RECEIVER
co
.
9 4 2 8
E Model
Australian Model
HCD-DZ300
CDM85-DVBU102
KHM-310CAA/C2NP
0 5 8 2 9 9 4 2 8
AM tuner section
Tuning range
Middle Eastern models: 531 – 1,602 kHz (with the
λ
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 /C , P
B B
75 ohms
Input VIDEO, SAT: 1 Vp-p 75
ohms
— Continued on next page —
m
9 9
9 9
/C : 0.7 Vp-p
R R