Sony HCD-DZ7260 Service Manual

HCD-DZ260/DZ270/HDZ278
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SERVICE MANUAL
Ver. 1.0 2008.01
• HCD-DZ260/DZ270/HDZ278 are the amplifi er, DVD/CD and
tuner section in DAV-DZ260/DZ270/HDZ278.
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
TE
of DTS, Inc.
L 13942296513
AUDIO POWER SPECIFICATIONS
for the US model (HDZ278)
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
Amplifi er Section
US models:
Surround mode (reference) RMS output power
Chinese models:
Surround mode (reference) RMS output power
Other models:
Stereo mode (rated)
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Sony Corporation
9-887-958-01
2008A04-1 Audio Business Group
© 2008.01 Published by Sony Techno Create Corporation
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Surround mode (reference) RMS output power
With 3 ohms loads, both
channels driven, from 180
- 20,000 Hz; rated 84 watts
* Depending on the decoding mode settings and the
per channel minimum
source, there may be no sound output.
RMS power, with no more
than 0.7% total harmonic
Inputs (Analog) (DZ260)
distortion from 250 milli
TV (AUDIO IN)
watts to rated output.
AUDIO IN
Inputs (Digital) (DZ260)
TV (COAXIAL IN/OPTICAL IN)
Inputs (Analog) (DZ270/HDZ278)
FL/FR/C/SL/SR*: 142
TV/VIDEO (AUDIO IN)
watts (per channel at 3
AUDIO IN
ohms, 1 kHz, 10% THD)
Inputs (Digital) (HDZ278)
Subwoofer*: 140 watts (at
TV/VIDEO (COAXIAL IN/OPTICAL IN)
3 ohms, 80 Hz, 10% THD)
Outputs (Analog)
Phones
FL/FR/C/SL/SR*: 100
watts (per channel at 3
ohms, 1 kHz)
Super Audio CD/DVD System
Subwoofer*: 100 watts (at
Laser
3 ohms, 80 Hz)
108 W + 108 W (at 3 ohms,
1 kHz, 1% THD)
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Photo : HCD-DZ270
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
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SPECIFICATIONS
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)
Sensitivity: 450/250 mV
Sensitivity: 250/125 mV
Impedance: 75 ohms/-
Sensitivity: 450/250 mV
Sensitivity: 250/125 mV
Impedance: 75 ohms/-
Accepts low- and high-
impedance headphones.
Semiconductor laser
(Super Audio CD/DVD: λ
= 650 nm)
(CD: λ = 790 nm)
Emission duration:
continuous
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Canadian Model
AEP Model
Australian Model
HCD-DZ230/DZ231/HDZ235
CDM85-DVBU102
KHM-313CAA
1 5 0 5 8 2 9 9 4
Signal format system
North American, Mexican, and Latin American models:
NTSC
Other models: NTSC/PAL
USB Section (DZ260/DZ270)
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
Tuner Section
System PLL quartz-locked digital
synthesizer
FM tuner section
Tuning range
North American models: 87.5 MHz - 108.0 MHz
(100 kHz step)
Other models: 87.5 MHz - 108.0 MHz (50
kHz step)
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DVD RECEIVER
co
9 9
US Model
HCD-HDZ278
UK Model
HCD-DZ260
E Model
HCD-DZ270
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