SONY STR-DH740 7.2 Channel Home Theater Receiver Owner’s Manual

SONY STR-DH740 7.2 Channel Home Theater Receiver

This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS** Digital Surround System.

• Manufactured under license f rom Dolby Laboratories. Dolby, Pro Logic, Surround EX, and the double-D symbol are trademarks of Dolby Laboratories.
• Manufactured under license under U.S. Patent 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 registered trademarks & DTS-HD Master Audio is a trademark of DTS, Inc. Product includes software. © DTS, Inc. All Rights Reserved.

This receiver incorporates High-Definition Multimedia Interface (HDMITM) technology. The terms HDMI and HDMI High-Definition Multimedia Interface and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing LLC in the United States and other countries. 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 specified. “Made for iPod” and “Made for iPhone” mean that an electronic accessory has been designed to connect specifically to iPod or iPhone, respectively, 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 regulatory standards. Please note that the use of this accessory with iPod or iPhone may affect wireless performance. Windows Media is either a registered trademark or trademark 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 Microsoft or an authorized Microsoft subsidiary. MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson.

• “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.
• “WALKMAN” is a registered trademark of Sony Corporation.
• MICRO VAULT is a trademark of Sony Corporation.

InstaPrevue™ is a trademark or registered trademark of Silicon Image, Inc. in the United States and other countries.

SPECIFICATIONS

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 90 watts per channel minimum RMS power, with no more than 0.09% total harmonic distortion from 250 milliwatts to rated output.

Amplifier section
Mexico model1)

Minimum RMS Output Power
(6 ohms, 20 Hz – 20 kHz, THD 0.09%) 90 W + 90 W

Stereo Mode Output Power
(6 ohms, 1 kHz, THD 1%) 100 W + 100 W

Surround Mode Output Power2)
(6 ohms, 1 kHz, THD 0.9%) 140 W per channel

Other models1)

Minimum RMS Output Power
(6 ohms, 20 Hz – 20 kHz, THD 0.09%) 90 W + 90 W

Stereo Mode Output Power
(6 ohms, 1 kHz, THD 1%) 105 W + 105 W

Surround Mode Output Power2)
(6 ohms, 1 kHz, THD 0.9%) 145 W per channel

Measured under the following conditions:

• Area Power requirements
• US, CND, TW 120 V AC, 60 Hz
• MX 127 V AC, 60 Hz
• AEP, AUS 230 V AC, 50 Hz

Reference power output for the front, center, surround, surround back, and front high speakers. Depending on the sound field settings and the source, there may be no sound output.

Frequency response

Analog
10 Hz – 100 kHz, +0.5/–2 dB (with sound field and equalizer bypassed)

Input

Analog

• Sensitivity: 500 mV/50 kilohms S/N3): 105 dB (A, 500 mV4))
• 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

• INPUT SHORT (with sound field and equalizer bypassed).
• Weighted network, input level.

SECTION 6 EXPLODED VIEWS

Note:

• XX and -X mean standardized parts, so they may have some differences from the original one.
• Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
• Abbreviation
  • AUS: Australian model
  • CND: Canadian model
  • MX: Mexican model
  • TW: Taiwan model
• The mechanical parts with no reference number in the exploded views are not sup-plied.
• Color Indication of Appearance Parts Example: KNOB, BALANCE (WHITE) . . . (RED) Parts Color Cabinet’s Color
• Accessories are given in the last of the electrical parts list.
• The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.
• The components identifi ed by mark 9 contain confi dential information. Strictly follow the instructions whenever the components are repaired and/or re-placed.

CASE (ENTRY) SECTION

DCDC BOARD SECTION

FRONT PANEL SECTION

Note: If wire (fl at type) is replaced, install it after bending it in the same form as that before replacement.

BACK PANEL SECTION

Note: If wire (flat type) is replaced, install it after bending it in the same form as that before replacement.

CHASSIS SECTION

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