Sony STR-DG720 Service Manual

QQ
3 7 63 1515 0

SERVICE MANUAL

Ver. 1.0 2008.02
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; 6,226,616; 6,487,535;
7,003,467; 7,212,872 & other U.S. and worldwide patents issued &
pending. DTS, DTS Digital Surround, ES, and Neo:6 are registered
trademarks and the DTS logos, Symbol and DTS 96/24 are trademarks of
TE
DTS, Inc. © 1996-2007 DTS, Inc. All Rights Reserved.
L 13942296513
This receiver incorporates High-Defi nition Multimedia Interface
TM
(HDMI ) technology.
HDMI, the HDMI logo and High-Defi nition Multimedia Interface
are trademarks or registered trademarks of HDMI Licensing LLC.
The XM name and related logo are registered
trademarks of XM Satellite Radio Inc. All rights reserved.
"x.v.Color" and "x.v.Color" logo are trademarks of
Sony Corporation.
"BRAVIA" and BRAVIA are trademarks of Sony Corporation.
www
.
Sony Corporation
9-887-994-01
2008B04-1 Audio Business Group
© 2008.02 Published by Sony Techno Create Corporation
http://www.xiaoyu163.com
Photo: Black type
x ao u163
y
i
http://www.xiaoyu163.com
STR-DG720
2 9
8
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
(Models of area code US only)
With 8 ohm loads, both channels driven, from 20 – 20,000 Hz; rated 95
watts per channel minimum RMS power, with no more than 0.09 % total
Q Q harmonic distortion from 250 milliwatts to rated output.
3 6 7 1 3 1 5
Amplifi er section
Models of area code US, CND
Minimum RMS Output Power (8 ohms, 20 Hz – 20 kHz, THD 0.09%)
Stereo Mode Output Power (8 ohms, 1 kHz, THD 1%)
Surround Mode Output Power
Models of area code AEP, UK
Minimum RMS Output Power (8 ohms, 20 Hz – 20 kHz, THD 0.09%)
Stereo Mode Output Power (8 ohms, 1 kHz, THD 1%)
Surround Mode Output Power
MULTI CHANNEL AV RECEIVER
co
.
9 4 2 8
US Model
Canadian Model
AEP Model
UK Model
SPECIFICATIONS
0 5 8 2 9 9 4 2 8
1)
95 W + 95 W
105 W + 105 W
2)
(8 ohms, 1 kHz, THD 10%)
140 W/ch
1)
85 W + 85 W
100 W + 100 W
2)
(8 ohms, 1 kHz, THD 10%)
140 W/ch
– Continued on next page –
m
9 9
9 9