Sony HCD-HDZ485 Service Manual

SERVICE MANUAL
Ver. 1.2 2010.03
• HCD-DZ280/DZ680/HDZ284/HDZ485 are the amplifi er, DVD/CD
and tuner section in DAV-DZ280/DZ680/HDZ284/HDZ485.
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 under U.S. Patent #'s:
5,451,942; 5,956,674; 5,974,380; 5,978,762; 6,487,535 & other
U.S. and worldwide patents issued & pending. DTS and DTS
Digital Surround are registered trademarks and the DTS logos
and Symbol are trademarks of DTS, Inc. © 1996-2008 DTS,
Inc. All Rights Reserved.
Amplifi er Section
Stereo mode (rated) 108 W + 108 W (at 3 ohms,
1 kHz, 1% THD)
DZ280/DZ680/HDZ284:
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)
HDZ485:
Surround mode (reference) RMS output power
FL/FR/C/SL/SR*: 144
watts (per channel at 3
ohms, 1 kHz, 10% THD)
Subwoofer*: 280 watts (at
1.5 ohms, 80 Hz, 10% THD)
* Depending on the decoding mode settings and the
source, there may be no sound output.
Inputs (Analog) (DZ280/DZ680)
TV (AUDIO IN) Sensitivity: 450/250 mV
AUDIO IN Sensitivity: 250/125 mV
Inputs (Digital) (DZ680/HDZ284/HDZ485)
TV/VIDEO (COAXIAL IN/OPTICAL IN)
Impedance: 75 ohms/-
Input Stream: Dolby
Digital 5.1ch/DTS 5.1ch/
Linear PCM 2ch
(Sampling Frequency: less
than 48 kHz)
Sony Corporation
9-889-391-03
2010C04-1 Audio&Video Business Group
©
2010.03 Published by Sony Techno Create Corporation
Photo: HCD-HDZ284
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Inputs (Analog) (HDZ284/HDZ485)
TV/VIDEO (AUDIO IN) Sensitivity: 450/250 mV
AUDIO IN Sensitivity: 250/125 mV
Outputs (Analog)
Phones Accepts low- and high-
impedance headphones.
Super Audio CD/DVD System
Laser Diode Properties Emission Duration:
Continuous
Laser Output: Less than
44.6μW
* This output is the value measurement at a distance
of 200mm from the objective lens surface on the
Optical Pick-up Block with 7mm aperture.
Signal format system
HDZ284/HDZ485: NTSC
DZ280/DZ680: NTSC/PAL
USB Section (DZ280/DZ680)
(USB) port:
Maximum current: 500 mA
Tuner Section
System PLL quartz-locked digital
synthesizer
FM Tuner section
Tuning range
Canadian, PX models: 87.5 MHz - 108.0 MHz
(100 kHz step)
HCD-DZ280/DZ680/
HDZ284/HDZ485
Canadian Model
HCD-HDZ284/HDZ485
HCD-DZ260/DZ270/HDZ278
CDM85-DVBU102
KHM-313CAA
Other models:
Antenna (aerial)
Antenna (aerial) terminals 75 ohms, unbalanced
Intermediate frequency
Video Section (DZ280/DZ680)
Outputs
Video Section (HDZ284/HDZ485)
Outputs
– Continued on next page –
DVD RECEIVER
AEP Model
UK Model
HCD-DZ280/DZ680
PX Model
HCD-HDZ485
87.5 MHz - 108.0 MHz
(50 kHz step)
FM wire antenna (aerial)
10.7 MHz
VIDEO: 1 Vp-p 75 ohms
R/G/B: 0.7 Vp-p 75 ohms
HDMI OUT: Type A (19
pin)
VIDEO: 1 Vp-p 75 ohms
COMPONENT:
Y: 1 Vp-p 75 ohms
P /C , P /C : 0.7 Vp-p
B B R R
75 ohms
HDMI OUT: Type A (19
pin)