SERVICE MANUAL
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
US Model
Canadian Model
HCD-HDZ235
AEP Model
UK Model
HCD-DZ230/DZ231
DVD RECEIVER
9-887-523-02
2007C16-1
© 2007.03
Ver. 1.1 2007.03
HCD-DZ230/DZ231/HDZ235
HCD-DZ230/DZ231/HDZ235 are the amplifier, DVD/CD and
tuner section in DAV-DZ230/DZ231/HDZ235.
SPECIFICATIONS
Model Name Using Similar Mechanism
HCD-DZ110
Mechanism Type
CDM85-DVBU102
Optical Pick-up Name
KHM-313CAA
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.
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Photo : HCD-DZ230
AUDIO POWER SPECIFICATIONS
for the US model (HDZ235)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
With 3 ohms loads, both
channels driven, from 120
- 20,000 Hz; rated 84 watts
per channel minimum
RMS power, with no more
than 0.7 % total harmonic
distortion from 250 milli
watts to rated output.
Amplifier section
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 sound field settings and the source,
there may be no sound output.
Inputs (Analog)
TV/VIDEO (AUDIO IN) Sensitivity: 450/250 mV
AUDIO IN
Sensitivity: 250/125 mV
Outputs (Analog)
Phones
Accepts low-and high-
impedance headphones.
DVD system
Laser
Semiconductor
laser
(DVD:
λ
= 650 nm)
(CD:
λ
= 790 nm)
Emission duration:
continuous
Signal format system
PAL (DZ230/DZ231),
NTSC (HDZ235)
Tuner section
System
PLL quartz-locked digital
synthesizer
FM tuner section
Tuning range
North American models:
87.5-108.0 MHz (100 kHz
step)
Other models:
87.5-108.0 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
North American models:
530 – 1,710 kHz (with the
interval set at 10 kHz)
531 – 1,710 kHz (with the
interval set at 9 kHz)
European models:
531 – 1,602 kHz (with the
interval set at 9 kHz)
Antenna (aerial)
AM loop antenna (aerial)
Intermediate frequency
450 kHz
Stereo mode (rated)
108 W + 108 W (at 3 ohms,
1 kHz, 1 % THD)
(DZ230/DZ231)
Video section
Outputs:
DZ230/DZ231:
VIDEO: 1 Vp-p 75 ohms
R/G/B: 0.7 Vp-p 75 ohms
HDMI OUT: Type A (19
pin)
HDZ235:
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
HDMI OUT: Type A (19
pin)