Sony MDR-CD2000 Operating Instructions (primary manual) Service Manual

MDR-CD2000

US Model

AEP Model

SERVICE MANUAL

STEREO HEADPHONES

SPECIFICATIONS

Type: Dynamic, closed
Driver units: ø 50 mm, dome type
Impedance: 32 ohms at 1 kHz
Sensitivity: 106 dB/mW
Power handling capacity: 1500 mW (IEC)
Frequency response: 5 – 30,000 Hz
Cord: Approx. 3.5 m long detachable LC-OFC litz

cord with a gold-plated stereo unimatch plug
Mass: Approx. 300 g (without cord)
Supplied accessory: Pouch

Design and specifications are subject to change
without notice.

• DRIVER DIAGRAM

Marked position
(+ side)

The position marked with a marker
is on the + side. (indefinite)

Relay terminal
(no connection

)

• CONNECTION DIAGRAM

Note : The connection depends on the + side position

of the driver.

driver (L) driver (R)

RED (R)

RED (R)

NATURAL (GND)

RED (R)
WHITE (L)
BLACK (GND)

JACK (SMALL TYPE)

marked
position

marked
position

Ver 1.1 2002. 02

9-927-663-12

2002B0400-1

© 2002. 02

Sony Corporation

Personal Audio Company

Published by Sony Engineering Corporation

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8

• EXPLODED VIEWS

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

NOTE:

• The mechanical parts with no reference
number in the exploded views are not supplied.

• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.

1 X-3379-058-1 BAND (F) ASSY, HEAD
2 X-3379-059-1 BAND (R) ASSY, HEAD
3 A-4540-623-A SUSPENDER ASSY
4 7-621-772-10 SCREW +P 2X4
5 1-792-446-11 CORD (WITH PLUG)

6 7-685-104-19 SCREW +P 2X6 TYPE2 NON-SLIT
7 3-045-258-01 PAD (L), EAR
7 3-046-466-01 PAD (R), EAR
8 1-506-589-11 PLUG, ADAPTOR
9 7-685-134-19 SCREW +P 2.6X8 TYPE2 NON-SLIT

10 X-3379-063-1 PLATE (L) ASSY, FRONT
10 X-3379-064-1 PLATE (R) ASSY, FRONT
11 1-542-433-11 DRIVER (050F026)
12 1-794-152-11 JACK (SMALL TYPE)
13 X-3379-061-1 HOUSING (L) ASSY

13 X-3379-062-1 HOUSING (R) ASSY

14 3-047-980-01 SCREW (M3X18), +B
15 7-688-003-12 W 3, MIDDLE
16 3-045-265-01 SPACER
17 3-045-251-01 HANGER
18 3-045-245-01 HOLDER (L)

18 3-045-246-01 HOLDER (R)
19 3-045-249-01 CHASSIS (L)
19 3-045-250-01 CHASSIS (R)
20 3-713-791-51 SCREW (M1.7X3.5), TAPPING, P2

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ACCESSORIES & PACKING MATERIALS

********************************

3-045-848-11 MANUAL, INSTRUCTION

(ENGLISH,FRENCH,GERMAN,SPANISH,

ITALIAN,PORTUGUESE,RUSSIAN)

4-985-107-11 POUCH

Ver 1.1