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SERVICE MANUAL

Sony Corporation

Published by Sony Techno Create Corporation

9-896-052-01

2014I33-1

2014.09

MDR-Z7

SPECIFICATIONS

STEREO HEADPHONES

US Model

Canadian Model

AEP Model

UK Model

E Model

Australian Model

Chinese Model

Ver. 1.0 2014.09

Type

Closed, dynamic (circum-aural)

Driver unit

70 mm, dome type (CCAW Voice Coil)

Power handling capacity

2,000 mW (IEC*)

Impedance

70 Ω at 1 kHz

Sensitivity

102

dB/mW

Frequency response

4 Hz - 100,000 Hz

Mass

Approx. 335 g without cable

Supplied accessories

Headphone cable (Approx. 3 m, silver-coated OFC strands, gold-plated stereo mini
plug) (1)
Balanced-connection headphone cable (Approx. 2 m, silver-coated OFC strands,
3-pole mini plug × 2) (1)
Gold-plated unimatch plug adaptor (stereo phone plug

stereo mini jack) (1)

Operating Instructions (1)

* IEC = International Electrotechnical Commission

Design and specifications are subject to change without notice.

Содержание MDR-Z7

Страница 1: ...capacity 2 000 mW IEC Impedance 70 Ω at 1 kHz Sensitivity 102 dB mW Frequency response 4 Hz 100 000 Hz Mass Approx 335 g without cable Supplied accessories Headphone cable Approx 3 m silver coated OFC strands gold plated stereo mini plug 1 Balanced connection headphone cable Approx 2 m silver coated OFC strands 3 pole mini plug 2 1 Gold plated unimatch plug adaptor stereo phone plug stereo mini ja...

Страница 2: ...S Australian model CH Chinese model CND Canadian model NOTE OF REPLACING THE HEAD BAND ASSY A serial number is marked on the unit s head band arm Therefore when the head band assy is replaced the serial number changes serial number L ch R ch The SERVICING NOTES contains important information for servicing Be sure to read this section before repairing the unit ...

Страница 3: ...t can be disassembled in the order shown below 2 1 DISASSEMBLY FLOW SET 2 3 HOUSING BLOCK Page 5 2 4 FRONT PLATE ASSY Page 5 2 5 HOUSING ASSY HANGER Page 6 2 2 EAR PAD EAR PAD HOLDER Page 4 Note Please detach the CABLE WITH PLUG beforehand ...

Страница 4: ...ing block ear pad block boss 6 ear pad holder 5 ear pad hole ditch 4 Remove the protrusion from the ear pad hole 3 Remove the ear pad block in the direction of the arrow Turn in the direction of the arrow until it stops Inside color is black Inside color is red L ch R ch Note 2 When installing the ear pad block to the housing block align the ear pad block boss with the housing block ditch Note 3 W...

Страница 5: ...anation 1 ornamental screw M1 7 1 ornamental screw M1 7 2 shaft stopper 3 twist holder 4 axis cushion 5 housing block 1 three screws P2 1 three screws P2 4 front plate assy 2 Remove the front plate assy in the direction of the arrow 3 Remove the solder blonze 3 Remove the solder red boss boss ditch ditch front plate assy marking LUH VHWWLQJ bronze no marking side Direction in which to apply the so...

Страница 6: ...sing assy 2 two screws P2 3 housing holder 3 housing holder 2 two screws P2 6 hanger 5 axis cushion 5 axis cushion 1 rear seal Note 2 When installing the rear seal affix the glossy surface to the housing assy groove axis cushion Align the directions of the slopes LV FXVKLRQ DQG DQJHU KROGHU VHWWLQJ hanger hanger holder KDQJHU ERWWRP YLHZ ...

Страница 7: ...R ASSY SV Including Cable with jack R ch Ref No Part No Description Remark Ref No Part No Description Remark Note XX and X mean standardized parts so they may have some difference from the original one Items marked are not stocked since they are seldom required for routine ser vice Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the explo...

Страница 8: ...006 01 ORNAMENTAL SCREW M1 7 TAPPING DR1 X 2590 514 1 PLATE L ASSY FRONT SV Including Driver L ch HB1 X 2590 510 1 BAND ASSY HEAD SV US CND E AUS CH See Note HB1 X 2590 511 1 BAND ASSY HEAD SV AEP UK See Note HJ1 X 2590 512 1 HOUSING L ASSY SV Including Cable with jack L ch Ref No Part No Description Remark Ref No Part No Description Remark L ch R ch HB1 59 57 58 56 57 54 55 52 54 53 51 54 54 54 5...

Страница 9: ...adphone cable Approx 3 m silver coated OFC strands gold plated stereo mini plug AEP UK 502 1 848 516 21 CABLE WITH PLUG Headphone cable Approx 3 m silver coated OFC strands gold plated stereo mini plug US CND E AUS CH 503 1 848 517 11 CABLE WITH PLUG BALANCED Balanced connection headphone cable Approx 2 m silver coated OFC strands 3 pole mini plug x 2 AEP UK 503 1 848 517 21 CABLE WITH PLUG BALANC...

Страница 10: ...MDR Z7 REVISION HISTORY Ver Date Description of Revision 1 0 2014 09 New ...

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