MDR-DS3000

SERVICE MANUAL

Ver 1.1 2004. 02

US Model Canadian Model AEP Model UK Model E Model Tourist Model
The MDR-DS3000 is comprised of headphones (MDR-IF3000) section and processor (DP-IF3000) section. Service manuals associated with their respective models are published. See the respective service manuals for details.
MDR-DS3000 consists of the following models respectively. Cordless stereo headphones Digital surround processor MDR-IF3000 DP-IF3000

SPECIFICATIONS

Digital surround processor (DP-IF3000) Decoder functions Dolby Digital Dolby Pro Logic II DTS Virtual sound function OFF CINEMA MUSIC Modulation System FM-IM (Based on IEC) Secondary carrier wave frequency Right channel 2.8 MHz Left channel 2.3 MHz Transmission distance Approx. 7 m (23 ft.) to the front Transmission range 20 20,000 Hz Distortion rate 1% or less (1 kHz) Audio inputs Optical input (rectangular-type) x 1 Analogue input (pin jack left/right) x 1 Power requirements DC 9 V (from the supplied AC power adaptor) Dimensions Approx. 145 x 150 x 146 mm (5 3/4 x 6 x 5 3/4 in.) (w/h/d) Mass Approx. 370 g (14 oz.) Cordless stereo headphones (MDR-IF3000) Playback frequency range 20 20,000 Hz Power requirements Rechargeable nickelmetal hydride batteries (supplied) or commercially available (size AAA) dry batteries Mass Approx. 275 g (10 oz.) (including the supplied rechargeable nickel-metal hydride batteries) Supplied accessories AC power adaptor (9 V) (1) Rechargeable nickel-metal hydride batteries BP-HP550 (550 mAh min.) (2) Optical digital connecting cable (optical rectangular plug y optical rectangular plug, 1.5 m) (1) Operating Instructions (1)
DIGITAL SURROUND HEADPHONE SYSTEM
9-961-270-02 2004B02-1 2004.02

Sony Corporation

Personal Audio Company Published by Sony Engineering Corporation

Ver 1.1

Abbreviation CND : Canadian model KR : Korean model JE : Tourist model

ACCESSORIES

Ref. No. Part No. Description ACCESSORIES Remark

A C pow er adapt or (1)

***********
1-473-579-12 1-473-582-13 1-476-380-12 1-478-498-11 1-693-007-21 ADAPTOR, AC (AC-S906) (AEP, E) ADAPTOR, AC (AC-S911) (UK) ADAPTOR, AC (AC-S911T) (UK) ADAPTOR, AC (AC-S905) (KR) ADAPTOR, AC (AC-S195) (JE)
1-693-029-11 ADAPTOR, AC. (AC-S906T) (US,CND) 1-756-316-21 BATTERY, NICKEL.HYDROGEN (BP-HP550) (US,CND) 1-756-316-31 BATTERY, NICKEL.HYDROGEN (BP-HP550) (EXCEPT US,CND) 1-783-868-62 CORD, CONNECTION 1-569-008-12 ADAPTOR, CONVERSION 2P (JE) 3-258-321-12 MANUAL, INSTRUCTION (ENGLISH, FRENCH, SPANISH, KOREAN) 3-258-321-21 MANUAL, INSTRUCTION (GERMAN, DUTCH, ITALIAN, PORTUGUESE) (AEP)
Rechargeable nickel-metal hydride batteries BP-HP550 (2)
The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.
Les composants identifis par une marque 0 sont critiques pour la scurit. Ne les remplacer que par une pice portant le numro spcifi.
Opti cal digital connecting cable (rectangular type y rectangular type) (1)
Note: The description used in the figure are those contained in the instruction manual.

REVISION HISTORY

Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. 1.0 1.1 Date 2003.09 2004.02 New Addition of US, Canadian, AEP, E, Korean and Tourist models.

(ENG-03059)

Description of Revision

Precision made for precision work.
S Sonys MDR-7500 series headphones are engineered f for superb audio quality, strength, and comfort.
Get ready to experience stellar sound quality.
Sonys high standards in engineering, research, design, and development make the difference in our MDR-7500 series professional headphones for studio sound recording and live sound applications.The seven models in this series--four of them industry standards, three of them brand new--are designed for the leaders in professional audio by the leader in professional audio. Sonys in-depth knowledge and experience in professional audio solutions make us the number one choice in audio equipment.These headphones are expertly engineered for a combination of strength, comfort, practicality, and superb audio monitoring of the wide dynamic range and extended frequencies delivered by modern digital audio equipment. Thats why they are in use every day in broadcast and recording studios all over the world. The MDR-7500 series is precision-manufactured using the highest grade materials. All Sony professional headphones come complete with a gold-plated UNIMATCH 3.5mm/6.3mm adapter. When listening is critical to your work, reach for the headphones with the critical difference in quality.
The headphones that professionals rely on, every day, around the world.
NEW MDR-7520 Studio Headphones As Sonys highest level of professional headphone, the 7520 is designed for critical listening applications. These headphones utilize ultra wideband 50mm HD driver units incorporating liquid crystal polymer lm diaphragms. Thats why the listener gets high power handling capability with great durability and unparalleled sound quality. The 7520 employs newly developed noise isolation earpads with a pliable cushion material that conforms to the natural shape of the ear, providing comfort and high acoustic isolation. This model has a lightweight magnesium alloy housing to decrease weight and increase comfort, reduce fatigue, and help prevent unnecessary vibration, plus a detachable cable.
MDR-7510 Studio Headphones An excellent choice for both reference monitoring and audio mixing applications, the 7510 extends the MDR-7500 line with a new xed design of rugged construction. With 50mm drivers utilizing PET (Polyethylene Terephthalate) diaphragms, these headphones provide a wide frequency response, broad dynamic range, and accurate sound reproduction. The 7510 offers high power handling capability and uses neodymium magnets and OFC (oxygen-free copper) voice coils. Noise isolation earpads with pliable cushion material conform to the natural shape of the ear and provide comfort and acoustic isolation.
NEW MDR-7550 In-Ear Monitors (IEM) Ideally suited for musicians who listen to custom-crafted mixes of vocals and stage instrumentation during live performance, this model utilizes large caliber 16mm dynamic drivers to enable a wide dynamic range with clear and accurate sound reproduction. The 7550 offers a unique multi-layer diaphragm (comprised of hundreds of layers of polymer, each less than 0.01-micron thick) and a exible ear hanger made of TEKNOROTE material, which easily folds and maintains its shape, insuring a superior t for each individual ear. Also included are newly developed hybrid silicone rubber earbuds, with three sizes to t different ear types.

MDR-7506 Studio Headphones This extremely high quality, unobtrusive, lightweight reference headphone has been engineered to be comfortable to wear for extended periods, making it ideal for use in broadcast and studio environments. A 40mm PET diaphragm and neodymium magnet provide performance exceeding the requirements of digital audio sources. MDR-7505 Studio Headphones Thanks to an acoustic design that positions the sound eld very close to the ears, the 7505 headphone makes detailed listening possible, even in noisy environments. An Auto-Swivel earpiece enables singlesided monitoring. The 40mm PET driver & neodymium magnet provide excellent sound quality and extended frequency response. An adjustable, padded headband offers durability and comfort. Oxygen-free copper cable is used to preserve signal quality. MDR-7502 Studio Headphones With a lightweight, closed design, this cost-effective, general purpose headphone allows long-term use without listening fatigue. The neodymium magnet (used in all Sony professional headphones) is nearly ve times more powerful than standard ferrite magnets, delivering dynamic sound, high sensitivity, and deep bass response.
MDR-7509HD Studio Headphones Designed especially for critical listening applications, the 7509HD features HD Driver units that deliver ultra-wide dynamic range and high power handling capabilities. With 3,000 mW power handling capacity and 80 kHz ultra high frequency reproduction, these headphones precisely reproduce every nuance recorded using the latest generation of high-quality audio formats such as DSD or high sampling linear PCM. The 50mm HD Driver units utilize 360kJ/m3 high power neodymium magnets to reproduce clear midrange. Equally important to sound quality is wearing comfort. The 7509HD features an Auranomic circum aural designwhere the driver units have been designed in accordance with the angle of the ear, which helps to eliminate pressure on the ear and to reproduce a natural, wide soundscape.
MDR-7500 Series Headphones
MDR-7520 Studio Headphones

MDR-7510 Studio Headphones
MDR-7550 In-Ear Monitors (IEM)
MDR-7509HD Studio Headphones
MDR-7506 Studio Headphones
MDR-7505 Studio Headphones
MDR-7502 Studio Headphones

Specications

MDR-PRO Series 7550 OFC Litz Cable Yes Cord Length/ Type 1.6m / Straight Folding Style Auto Swivel Diaphragm Power Impedance Housing Type (mW) ML Sensitivity (dB/mW) 108 Frequency Response (Hz) 3 - 28,000 Driver Diameter Weight (oz) (mm) excluding cable 16.25 oz

3m / Coiled

5 - 80,000

9.52 oz

5 - 40,000

9.17 oz

7509HD

PET (HD)

10.5 oz

10 - 20,000

8.1 oz

7.9 oz

60 - 16,000

5.2 oz

PET = Polyethylene Terephthalate LCP = Liquid Crystal Polymer Film ML = Multiple Layer

Visit: sony.com/proaudio

Sony Electronics Inc. 1 Sony Drive Park Ridge, NJ 07656 sony.com/proaudio

A-1149-B

2011 Sony Electronics Inc. All rights reserved. Reproduction in whole or in part without written permission is prohibited. Features and specications are subject to change without notice. Sony,make.believe, UNIMATCH and their respective logos are trademarks of Sony. TEKNOROTE is a trademark of Mitsui Chemicals, Inc. Printed in USA (1/11)