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2011J80-1

© 

2011.10

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 harmonic distortion from 250 milliwatts to 

rated output.

US model

1)

Minimum RMS Output Power

(8 ohms, 20 Hz – 20 kHz, THD 0.09%)

 

95 W + 95 W

Stereo Mode Output Power

(8 ohms, 1 kHz, THD 1%)

 

105 W + 105 W

Surround Mode Output Power

2)

(8 ohms, 1 kHz, THD 10%)

 

140 W per channel

CND model

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 1%)

 

105 W + 105 W

Surround Mode Output Power

2)

(8 ohms, 1 kHz, THD 10%)

 

140 W per channel

ECE model

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 1%)

 

100 W + 100 W

Surround Mode Output Power

2)

(8 ohms, 1 kHz, THD 10%)

 

140 W per channel

1)

 Measured under the following conditions:

US, CND

120 V AC, 60 Hz

ECE

230 V AC, 50 Hz

2)

 Reference power output for front, center, surround, 

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 – 70 kHz, 

+0.5/–2 dB (with 

sound fi eld and 

equalizer bypassed)

Input

  Analog 

Sensitivity: 500 mV/ 

50 kohms 

S/N

3)

: 96 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)

  AUDIO OUT 

Voltage: 500 mV/ 

1 kohms

  SUBWOOFER 

Voltage: 2 V/1 kohm

Equalizer

  Gain levels 

±6 dB, 1 dB step

3)

 INPUT SHORT (with sound fi eld and equalizer 

bypassed).

4)

 Weighted network, input level.

This receiver incorporates Dolby* Digital and ProLogic Surround 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 under U.S. Patent #’s: 5,451,942; 

5,956,674; 5,974,380; 5,978,762; 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 and the Symbol are registered 
trademarks, & DTS HD, DTS-HD Master Audio, and the DTS logos 
are trademarks of DTS, Inc. Product includes software.© DTS, Inc. 
All Rights Reserved.

This receiver incorporates High-Definition Multimedia Interface 
(HDMI™) technology. HDMI, the HDMI logo and High-Definition 
Multimedia Interface are trademarks or registered trademarks of HDMI 
Licensing LLC in the United States and other countries.

“x.v.Color (x.v.Colour)” and “x.v.Color (x.v.Colour)” logo are trademarks 
of Sony Corporation.

“BRAVIA” is a trademark of Sony Corporation.

“PlayStation” is a registered trademark of Sony Computer Entertainment 
Inc.

The font type (Shin Go R) installed in this receiver is provided by 
MORISAWA & COMPANY LTD. These names are the trademarks of 
MORISAWA & COMPANY LTD., and the copyright of the font also 
belongs to MORISAWA & COMPANY LTD.

iPhone, iPod, iPod classic, iPod nano, and iPod touch are trademarks 
of Apple Inc., registered 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, 
respectively, and has been certified by the developer to meet Apple 
performance standards.

Apple is not responsible for the operation of this device or its compliance 
with safety and regulatory standards. Please note that the use of this 
accessory with iPod or iPhone may affect wireless performance.

MPEG Layer-3 audio coding technology and patents licensed from 
Fraunhofer IIS and Thomson.

“WALKMAN” is a registered trademark of Sony Corporation.

“MICROVAULT” is a trademark of Sony Corporation.

Windows Media is either a registered trademark or trademark of Microsoft 
Corporation in the United States and/or other countries.

– Continued on next page –

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE  

WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN 

LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR 

Tuning range 

87.5 MHz – 108.0 MHz

Antenna (aerial) 

FM wire antenna (aerial)

Antenna (aerial) terminals  75 ohms, unbalanced

Intermediate frequency 

10.7 MHz

Tuning range

10 kHz step  9 kHz step

US, CND

530 kHz –  531 kHz –

1,710 kHz  1,710 kHz

ECE

– 

531 kHz –

 1,602 

kHz

Antenna (aerial) 

Loop antenna (aerial)

Intermediate frequency

 450 

kHz

Inputs/Outputs

 Video: 

1 Vp-p/75 ohms

 COMPONENT VIDEO:

 

Y: 1 Vp-p, 75 ohms

P

B

: 0.7 Vp-p, 75 ohms

P

R

: 0.7 Vp-p, 75 ohms

80 MHz HD Pass Through

DC 5V 1.0 A MAX

Supported bit rate* 

MP3 (MPEG 1 Audio Layer-3):

32 kbps - 320 kbps,VBR

WMA: 48 kbps - 192 kbps

AAC: 48 kbps - 320 kbps

*Compatibility with all encoding/writing software,

recording devices and recording media cannot be 

guarantee.

Transfer speed 

Full-speed

Supported USB device

 

Mass Storage Class

Maximum current 

500 mA

Power requirements

US, CND

120 V AC, 60 Hz

ECE

230 V AC, 50/60 Hz

Power consumption  240 W

Power consumption (during standby mode)

0.3 W (When “Ctrl for HDMI” is set to “OFF”)

Dimensions (width/height/depth) (Approx.)

430 mm × 157.5 mm × 322 mm (17 in × 6 1/4 in × 

12 3/4 in) including projecting parts and controls

Mass (Approx.) 

8.0 kg (17 lb 11 oz)

Design and specifi cations are subject to change without notice.

Halogenated fl ame retardants are not used in the certain printed wiring 

boards.

• Operating 

Instructions

• 

Quick Setup Guide

• 

GUI Menu List

• 

FM wire antenna (aerial) (1)

• 

AM loop antenna (aerial) (1)

• 

Remote commander (1)

–  RM-AAU106 (US and CND models only)

–  RM-AAU107 (Other models)

• 

R6 (size AA) batteries (2)

• 

Optimizer microphone (ECM-AC2) (1)

• Abbreviation

CND  : Canadian model

ECE  : Continental European, East European and Russian models

After correcting the original service problem, perform the following safety 

check before releasing the set to the customer:

Check the antenna terminals, metal trim, “metallized” knobs, screws, and 

all other exposed metal parts for AC leakage.

Check leakage as described below.

The AC leakage from any exposed metal part to earth ground and from 

all exposed metal parts to any exposed metal part having a return to chas-

sis, must not exceed 0.5 mA (500 microamperes.). Leakage current can be 

measured by any one of three methods.

1.  A commercial leakage tester, such as the Simpson 229 or RCA WT-

540A. Follow the manufacturers’ instructions to use these instruments.

2.  A battery-operated AC milliammeter. The Data Precision 245 digital 

multimeter is suitable for this job.

3.  Measuring the voltage drop across a resistor by means of a VOM or 

battery-operated AC voltmeter. The “limit” indication is 0.75 V, so 

analog meters must have an accurate low-voltage scale. The Simp-

son 250 and Sanwa SH-63Trd are examples of a passive VOM that 

is suitable. Nearly all battery operated digital multimeters that have a 

2 V AC range are suitable. (See Fig. A)

Ω

μF

 ...................................................... 3

2-1. Case 

..................................................................................... 5

2-2. D-VIDEO 

Board 

................................................................. 6

2-3.  Front Panel Section ............................................................. 6
2-4.  Back Panel Section ............................................................. 7
2-5. DIGITAL 

Board 

.................................................................. 7

2-6.  MAIN Board Section .......................................................... 8
2-7. MAIN 

Board 

....................................................................... 8

 ..................................................................... 9

 ....................................11

5-1.  Block Diagram – TUNER/AUDIO Section – ................... 13
5-2.  Block Diagram – DIGITAL Section – .............................. 14
5-3.  Block Diagram – STANDBY-A VIDEO PC Section–...... 15
5-4.  Block Diagram – D-VIDEO Section – ............................. 16
5-5.  Block Diagram – KEY/DISPLAY/USB Section – ........... 17
5-6.  Block Diagram – POWER KEY Section – ....................... 18
5-7.  Printed Wiring Board – DIGITAL Board (Side A) – ........ 20
5-8.  Printed Wiring Board – DIGITAL Board (Side B) – ........ 21
5-9.  Schematic Diagram – DIGITAL Board (1/4) –................. 22
5-10.  Schematic Diagram – DIGITAL Board (2/4) –................. 23
5-11.  Schematic Diagram – DIGITAL Board (3/4) –................. 24
5-12.  Schematic Diagram – DIGITAL Board (4/4) –................. 25
5-13.  Printed Wiring Board – MAIN Board – ............................ 26
5-14.  Schematic Diagram – MAIN Board (1/4) – ...................... 27
5-15.  Schematic Diagram – MAIN Board (2/4) – ...................... 28
5-16.  Schematic Diagram – MAIN Board (3/4) – ...................... 29
5-17.  Schematic Diagram – MAIN Board (4/4) – ...................... 30
5-18.  Printed Wiring Board – D-VIDEO Board (Side A) – ....... 31
5-19.  Printed Wiring Board – D-VIDEO Board (Side B) – ....... 32
5-20.  Schematic Diagram – D-VIDEO Board (1/4) – ................ 33
5-21.  Schematic Diagram – D-VIDEO Board (2/4) – ................ 34
5-22.  Schematic Diagram – D-VIDEO Board (3/4) – ................ 35
5-23.  Schematic Diagram – D-VIDEO Board (4/4) – ................ 36
5-24.  Printed Wiring Board –
 

STANDBY-A VIDEO PC Board – ................................... 37

5-25.  Schematic Diagram –
 

STANDBY-A VIDEO PC Board – ................................... 38

5-26.  Printed Wiring Boards – PANEL Section – ...................... 39
5-27.  Schematic Diagram – PANEL Section – .......................... 40
5-28.  Printed Wiring Board – DCDC Board – ........................... 41
5-29.  Schematic Diagram – DCDC Board – .............................. 42
5-30.  Printed Wiring Board – USB Board – .............................. 43
5-31.  Schematic Diagram– USB Board – .................................. 44
5-32.  Printed Wiring Board – HEADPHONE Board – .............. 45
5-33.  Schematic Diagram – HEADPHONE Board – ................. 45
5-34.  Printed Wiring Board – TEMP-SENSOR Board – ........... 45
5-35.  Schematic Diagram – TEMP-SENSOR Board – .............. 45

6-1. Case 

Section 

...................................................................... 65

6-2. DCDC 

Board 

..................................................................... 66

6-3.  Front Panel Section ........................................................... 67
6-4.  Back Panel Section ........................................................... 68
6-5. Chassis 

Section 

................................................................. 69

 ..................................... 70

STR-DH720: US

4-261-825-3[]

STR-DH720: Canadian

4-261-825-4[]

STR-DH720: AEP

4-261-825-5[]

STR-DH720HP: US

4-261-825-7[]

Notes on chip component replacement
•  Never reuse a disconnected chip component.
•  Notice that the minus side of a tantalum capacitor may be 

damaged by heat.

UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the 
lead-free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
 

the lead free mark due to their particular size)

Unleaded solder has the following characteristics.
•  Unleaded solder melts at a temperature about 40 °C higher 

than ordinary solder.

 

Ordinary soldering irons can be used but the iron tip has to be 
applied to the solder joint for a slightly longer time.

 

Soldering irons using a temperature regulator should be set to 
about 350 °C.

 Caution: 

The printed pattern (copper foil) may peel away if 

 

the heated tip is applied for too long, so be careful!

• Strong 

viscosity

 

Unleaded solder is more viscous (sticky, less prone to fl ow) 
than ordinary solder so use caution not to let solder bridges 
occur such as on IC pins, etc.

•  Usable with ordinary solder
 

It is best to use only unleaded solder but unleaded solder may 
also be added to ordinary solder.

Special Component Notice
The components identified by mark 9 contain confidential

information.
Strictly follow the instructions whenever the components are
repaired and/or replaced.

Notice pour composants spéciaux
Les composants identifiés par la marque 9 contiennent des

informations confi dentielles.
Suivre scrupuleusement les instructions chaque fois qu’un com-
posant est remplacé et / ou réparé.

Note: Refer to supplement-1 for the printed wiring board, 

schematic diagram and electrical parts list of D-VIDEO 
board (Suffix-21), DIGITAL board (Suffix-21), DCDC 
board (Suffi x-21), MAIN board (Suffi x-24) and STANDBY-
AVIDEO MT PC Board (Suffi x-24).

NOTE OF REPLACING THE IC1500 AND IC1600 ON THE
DCDC BOARD
IC1500 and IC1600 on the DCDC board cannot exchange with 
single. When these parts on the DCDC board are damaged, 
exchange the entire mounted board.

NOTE OF REPLACING THE IC2106 ON THE DIGITAL
BOARD
IC2106 on the DIGITAL board cannot exchange with single. 
When this part on the DIGITAL board is damaged, exchange the 
entire mounted board.

NOTE OF REPLACING THE IC3500 AND IC3501 ON THE 
D-VIDEO BOARD
IC3500 and IC3501 on the D-VIDEO board cannot exchange with 
single. When these parts on the D-VIDEO board are damaged,
exchange the entire mounted board.

NOTICE OF BOARD VERSION CHECK
D-VIDEO board (Suffi x-11), DIGITAL board (Suffi x-11), DCDC 
board (Suffix-11), MAIN board (Suffix-13) and STANDBY-A 
VIDEO PC board (Suffi x-13) is synchronised. When any of the 
mounted board replacement is necessary, check the defective 
board version and order the same version of mounted board in 
part list.

MICOM (IC2105) ON DIGITAL BOARD SERVICE POSITION
•  In checking the MICOM (IC2105) on the DIGITAL board, 

prepare a set of extension jigs (A-1825-238-A) which consists 
of two extension cables.