Sony HCD-DZ777K Service Manual

SERVICE MANUAL

Ver. 1.0 2008.04
• HCD-DZ265K/DZ266K/DZ270K/DZ570K/DZ777K
are the amplifi er, DVD/CD and tuner section in
DAV-DZ265K/DZ266K/DZ270K/DZ570K/DZ777K.
This system incorporates with Dolby* Digital and Dolby Pro
Logic (II) adaptive matrix surround decoder and the DTS** Digital
Surround System.
* Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic", and the double-D symbol are trademarks
of Dolby Laboratories.
** Manufactured under license from DTS, Inc.
"DTS" and "DTS Digital Surround" are registered trademarks
of DTS, Inc.
Amplifi er Section
(DZ265K/DZ266K/DZ270K/DZ570K)
Stereo mode (rated) 108 W + 108 W (at 3 ohms,
1 kHz, 1% THD)
Surround mode (reference) RMS output power
FL/FR/C/SL/SR*: 142
watts (per channel at 3
ohms, 1 kHz, 10% THD)
Subwoofer*: 140 watts (at
3 ohms, 80 Hz, 10% THD)
* Depending on the decoding mode settings and the
source, there may be no sound output.
Inputs (Analog)
TV/VIDEO (AUDIO IN) Sensitivity: 450/250 mV
AUDIO IN/MIC1 Sensitivity: AUDIO IN
250/125 mV/MIC1 1 mV
MIC2 Sensitivity: 1 mV
Amplifi er Section (DZ777K)
Stereo mode (rated) 108 W + 108 W (at 3 ohms,
1 kHz, 1% THD)
Surround mode (reference) RMS output power
FL/FR/C/SL/SR*: 143
watts (per channel at 3
ohms, 1 kHz, 10% THD)
Subwoofer*: 285 watts (at
1.5 ohms, 80 Hz, 10% THD)
* Depending on the decoding mode settings and the
source, there may be no sound output.
Sony Corporation
9-889-101-01
2008D04-1 Audio Business Group
© 2008.04 Published by Sony Techno Create Corporation
HCD-DZ265K/DZ266K/DZ270K/
Photo : HCD-DZ777K
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Inputs (Analog)
TV (AUDIO IN) Sensitivity: 450/250 mV
SAT/CABLE (AUDIO IN) Sensitivity: 450/250 mV
AUDIO IN/MIC1 Sensitivity: AUDIO IN
250/125 mV/MIC1 1 mV
MIC2 Sensitivity: 1 mV
Super Audio CD/DVD System
Laser Semiconductor laser
(Super Audio CD/DVD: λ
= 650 nm)
(CD: λ = 790 nm)
Emission duration:
continuous
Signal format system
Russian models: PAL/NTSC
Other models: NTSC/PAL
USB Section
Supported bit rate
MP3 (MPEG 1 Audio Layer-3):
32 kbps - 320 kbps
WMA: 48 kbps - 192 kbps
AAC: 48 kbps - 320 kbps
Sampling frequencies
MP3 (MPEG 1 Audio Layer-3):
32/44.1/48 kHz
WMA: 44.1 kHz
AAC: 44.1 kHz
(USB) port:
Maximum current: 500 mA
DZ570K/DZ777K
E Model
HCD-DZ270K/DZ570K/DZ777K
Russian Model
HCD-DZ265K/DZ266K
HCD-DZ260/DZ270/HDZ278
CDM85-DVBU102
KHM-313CAA
Tuner Section
System PLL quartz-locked digital
synthesizer
FM tuner section
Tuning range 87.5 MHz - 108.0 MHz (50
kHz step)
Antenna (aerial) FM wire antenna (aerial)
Antenna (aerial) terminals 75 ohms, unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
Russian model: 531 kHz - 1,602 kHz (with
the interval set at 9 kHz)
Other models: 531 kHz - 1,602 kHz (with
the interval set at 9 kHz)
530 kHz - 1,610 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
COMPONENT:
Y: 1 Vp-p 75 ohms
P /C , P
B B
75 ohms
HDMI OUT: Type A (19
pin)
– Continued on next page –
DVD RECEIVER
/C : 0.7 Vp-p
R R