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SERVICE MANUAL
Sony Corporation
Published by Sony EMCS (Malaysia) PG Tec
This receiver incorporates Dolby* Digital and
Pro Logic Surround and the DTS** Digital Sur-
round System.
* Manufactured under license from Dolby Labo-
ratories. Dolby, Pro Logic, Surround EX, and
the double-D symbol are trademarks of Dolby
Laboratories.
** Manufactured under license under U.S. Pat-
ent Nos: 5,956,674; 5,974,380; 6,226,616;
6,487,535; 7,212,872; 7,333,929; 7,392,195;
7,272,567 & other U.S. and worldwide patents
issued & pending. DTS-HD, the Symbol, &
DTS-HD and the Symbol together are regis-
tered trademarks & DTS-HD Master Audio
is a trademark of DTS, Inc. Product includes
software. © DTS, Inc. All Rights Reserved.
This receiver incorporates High-Defi nition Multi-
media Interface (HDMI™) technology. The terms
HDMI and HDMI High-Defi nition Multimedia
Interface, and the HDMI Logo are trademarks or
registered trademarks of HDMI Licensing LLC in
the United States and other countries.
AirPlay, iPhone, iPod, iPod classic, iPod nano,
and iPod touch are trademarks of Apple Inc., reg-
istered in the U.S. and other countries.
All other trademarks and registered trademarks
are of their respective holders. In this manual, ™
and ® marks are not specifi ed.
“Made for iPod” and “Made for iPhone” mean
that an electronic accessory has been designed
to connect specifi cally to iPod or iPhone, respec-
tively, and has been certifi ed by the developer to
meet Apple performance standards.
Apple is not responsible for the operation of this
device or its compliance with safety and regula-
tory standards. Please note that the use of this ac-
cessory with iPod or iPhone may affect wireless
performance.
DLNA™, the DLNA Logo and DLNA CERTI-
FIED™ are trademarks, service marks, or cer-
tifi cation marks of the Digital Living Network
Alliance.
“Sony Entertainment Network” logo and “Sony
Entertainment Network” are trademarks of Sony
Corporation.
Wake-on-LAN is a trademark of International
Business Machines Corporation in the United
States.
Windows and the Windows logo are either reg-
istered trademarks or trademarks of Microsoft
Corporation in the United States and/or other
countries.
This product is protected by certain intellectual
property rights of Microsoft Corporation. Use
or distribution of such technology outside of this
product is prohibited without a license from Mi-
crosoft or an authorized Microsoft subsidiary.
MPEG Layer-3 audio coding technology and pat-
ents licensed from Fraunhofer IIS and Thomson.
“x.v.Color (x.v.Colour)” and “x.v.Color
(x.v.Colour)” logo are trademarks of Sony Cor-
poration.
“BRAVIA” is a trademark of Sony Corporation.
“PlayStation” is a registered trademark of Sony
Computer Entertainment Inc.
STR-DN840
MULTI CHANNEL AV RECEIVER
9-890-617-01
2013B80-1
©
2013.02
Ver. 1.0 2013.02
US Model
Canadian Model
AEP Model
UK Model
Australian Model
SPECIFICATIONS
“WALKMAN” is a registered trademark of Sony
Corporation.
MICROVAULT is a trademark of Sony Corpora-
tion.
VAIO and VAIO Media are registered trademarks
of Sony Corporation.
PARTY STREAMING and PARTY STREAM-
ING logo are trademarks of Sony Corporation.
The Wi-Fi CERTIFIED Logo is a certifi cation
mark of the Wi-Fi Alliance.
The
Bluetooth
®
word mark and logos are regis-
tered trademarks owned by Bluetooth SIG, Inc.
and any use of such marks by Sony Corporation
is under license.
Other trademarks and trade names are those of
their respective owners.
InstaPrevue™ is a trademark or registered trade-
mark of Silicon Image, Inc. in the United States
and other countries.
FLAC Decoder
Copyright (C)
2000,2001,2002,2003,2004,2005,2006,2007
Josh Coalson
Redistribution and use in source and binary
forms, with or without modifi cation, are permit-
ted provided that the following conditions are
met:
– Redistributions of source code must retain the
above copyright notice, this list of conditions
and the following disclaimer.
– Redistributions in binary form must reproduce
the above copyright notice, this list of condi-
tions and the following disclaimer in the docu-
mentation and/or other materials provided with
the distribution.
– Neither the name of the Xiph.org Foundation
nor the names of its contributors may be used
to endorse or promote products derived from
this software without specifi c prior written per-
mission.
THIS SOFTWARE IS PROVIDED BY THE
COPYRIGHT HOLDERS AND CONTRIBU-
TORS “AS IS” AND ANY EXPRESS OR IM-
PLIED WARRANTIES, INCLUDING, BUT
NOT LIMITED TO, THE IMPLIED WARRAN-
TIES OF MERCHANTABILITY AND FIT-
NESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE
FOUNDATION OR CONTRIBUTORS BE LI-
ABLE FOR ANY DIRECT, INDIRECT, INCI-
DENTAL, SPECIAL, EXEMPLARY, OR CON-
SEQUENTIAL DAMAGES (INCLUDING,
BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS
OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETH-
ER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT
OF THE USE OF THIS SOFTWARE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH
DAMAGE.
AUDIO POWER
SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
(US model only)
With 6 ohm loads, both channels driven, from
20 – 20,000 Hz; rated 100 watts per channel
minimum RMS power, with no more than 0.09%
total harmonic distortion from 250 milliwatts to
rated output.
Amplifi er section
Minimum RMS Output Power
1)
(6 ohms, 20 Hz – 20 kHz, THD 0.09%)
95 W + 95 W
Stereo Mode Output Power
1)
(6 ohms, 1 kHz, THD 1%)
110 W + 110 W
Surround Mode Output Power
1) 2)
(6 ohms, 1 kHz, THD 0.9%)
150 W per channel
1)
Measured under the following conditions:
Area
Power requirements
US, Canadian
120 V AC, 60 Hz
AEP, UK,
Australian
230 V AC, 50 Hz
2)
Reference power output for front, center, sur-
round, surround back and front high speakers.
Depending on the sound fi eld settings and the
source, there may be no sound output.
Frequency response
Analog
10 Hz – 100 kHz,
+0.5/–2 dB (with sound
fi eld and equalizer
bypassed)
Input
Analog
Sensitivity: 500 mV/
50 kilohms
S/N
3)
: 105 dB
(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)
Output (Analog)
SUBWOOFER
Voltage: 2 V/1 kilohm
Equalizer
Gain levels
±10 dB, 1 dB step
3)
INPUT SHORT (with sound fi eld and equalizer
bypassed).
4)
Weighted network, input level.
FM tuner section
Tuning range
87.5 MHz – 108.0 MHz
(50 kHz step)
(AEP, UK, Australian)
87.5 MHz – 108.0 MHz
(100 kHz step)
(US, Canadian)
Antenna (aerial)
FM wire antenna (aerial)
Antenna (aerial) terminals
75 ohms, unbalanced
AM tuner section
Tuning range
Area
Tuning scale
10 kHz step
9 kHz step
US, Canadian
530 kHz –
531 kHz –
1,710 kHz
1,710 kHz
AEP, UK,
Australian
–
531 kHz –
1,602
kHz
Antenna (aerial)
Loop antenna (aerial)
Video section
Inputs/Outputs
Video:
1 Vp-p, 75 ohms
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Summary of Contents for STR-DN840
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