SERVICE MANUAL
Sony Corporation
Audio Business Group
Published by Sony Techno Create Corporation
STR-DG820
SPECIFICATIONS
MULTI CHANNEL AV RECEIVER
9-889-096-01
2008D05-1
©
2008.04
US Model
Canadian Model
AEP Model
UK Model
Ver. 1.0 2008.04
This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS** Digital Surround System.
* Manufactured under license from Dolby Laboratories. Dolby, Pro Logic, Surround Ex, 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; 6,226,616;
6,487,535 & other U.S. and worldwide patents issued & pending. DTS is a registered trademark and the
DTS logos, Symbol, DTS-HD and DTS-HD Master Audio are trademarks of DTS, Inc. © 1996-2007 DTS,
Inc. All Rights Reserved.
This receiver incorporates High-Definition Multimedia Interface (HDMITM) technology.HDMI, the HDMI
logo and High-Definition Multimedia Interface are trademarks or registered trademarks of HDMI Licensing LLC.
XM Ready® is a registered trademark of XM Satellite Radio Inc. All rights reserved.
This product is manufactured under license from Neural Audio Corporation and THX Ltd. Sony Corporation
hereby grants the user a non-exclusive, non-transferable, limited right of use to this product under USA and
foreign patent, patent pending and other technology or trademarks owned by Neural Audio Corporation and THX
Ltd. “Neural Surround”, “Neural Audio”, “Neural” and “NRL” are trademarks and logos owned by Neural Audio
Corporation, THX is a trademark of THX Ltd., which may be registered in some jurisdictions. All rights reserved.
“x.v.Color” and “x.v.Color” logo are trademarks of Sony Corporation.
“BRAVIA” and are trademarks of Sony Corporation.
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AUDIO POWER
SPECIFICATIONS (US model)
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 8 ohm loads, both channels driven, from
20Hz–20,000Hz;rated100wattsper
channel minimum RMS power, with no more
than 0.09% total harmonic distortion from250
milliwatts to rated output.
Amplifier section
Models of area code U, CA
Power Output
1)
Minimum RMS Output Power
(8 ohms, 20 Hz – 20 kHz, THD 0.09%)
100 W + 100 W
Stereo Mode Output Power
(8 ohms, 1 kHz, THD 0.7%)
110 W + 110 W
Surround Mode Output Power
2)
(8 ohms, 1 kHz, THD 10%)
150 W per channel
1)
Measured under the following conditions:
2)
Reference power output for front, center, surround
andsurroundbackspeakers. Dependingonthe
sound field settings and the source, there may be
no sound output.
Frequency response
Analog 10 Hz – 70 kHz,
+0.5/–2 dB (with sound
field and equalizer
bypassed)
Input
Analog Sensitivity: 500 mV/
50 kohms
S/N
3)
:96dB
(A, 500 mV
4)
)
Digital (Coaxial) Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
Digital (Optical) S/N: 100 dB
(A, 20 kHz LPF)
Models of area code CEL, CEK, ECE
1)
Minimum RMS Output Power
(8 ohms, 20 Hz – 20 kHz, THD 0.09%)
85 W + 85 W
Stereo Mode Output Power
(8 ohms, 1 kHz, THD 0.7%)
100 W + 100 W
Surround Mode Output Power
2)
(8 ohms, 1 kHz, THD 10%)
140 W per channel
Area code Power requirements
U, CA 120 V AC, 60 Hz
CEL, CEK, ECE 230 V AC, 50 Hz
Output (analog)
AUDIO OUT Voltage: 500 mV/
10 kohms
SUBWOOFER Voltage: 2 V/1 kohm
Equalizer
Gain levels ±10 dB, 1 dB step
3)
INPUT SHORT (with sound field and equalizer
bypassed).
4)
Weighted network, input level.
FM tuner section
Tuning range 87.5 MHz – 108.0 MHz
Antenna(aerial) FMwireantenna(aerial)
Antenna (aerial) terminals
75 ohms, unbalanced
Intermediate frequency
10.7 MHz
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