Sony HCD-DZ230 Service Manual

HCD-DZ230/DZ231/HDZ235

SERVICE MANUAL

Ver. 1.1 2007.03
HCD-DZ230/DZ231/HDZ235 are the amplifier, DVD/CD and
tuner section in DAV-DZ230/DZ231/HDZ235.
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.
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
Stereo mode (rated) 108 W + 108 W (at 3 ohms,
1 kHz, 1 % THD)
(DZ230/DZ231)
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.
Sony Corporation
9-887-523-02
Home Audio Division
2007C16-1
Published by Sony Techno Create Corporation
© 2007.03
Photo : HCD-DZ230
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
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
US Model
Canadian Model
HCD-HDZ235
AEP Model
UK Model
HCD-DZ230/DZ231
HCD-DZ110
CDM85-DVBU102
KHM-313CAA
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
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 /C , P
B B R
75 ohms
HDMI OUT: Type A (19
pin)
— Continued on next page —
DVD RECEIVER
/C : 0.7 Vp-p
R