MDR-7509
US Model
AEP Model
SERVICE MANUAL
STEREO HEADPHONES
MICROFILM
SPECIFICATIONS
Features
· Monitoring headphones for DJ and remix use
· Swivel earcup allows easy single sided monitoring on shoulders
· 50 mm driver unit for high quality sound
· Coiled OFC litz cord
· Screw type gold plated stereo unimatch plug for secure
connection
· Convenient folding design
Type
: Dynamic, Closed
Driver unites
: ø50 mm, dome type
Impedence
: 24
at 1 kHz
Sensitivety
: 107 dB/mW
Power handling capacity
: 3000 mW
Frequency response
: 5 30,000 Hz
Cord
: Coiled 1 3 m long single-sided OFC-litz cord
with a gold plated stereo unimatch plug
Mass
: Approx. 300 g (wihtout cord)
Supplied accessory
: Carrying case (1)
Design and specifications are subject to change without notice.
[WIRING DIAGRAM]
ACCESSORIES
(RED)
(RED)
(BRONZE)
(BRONZE)
Marking
Marking
DRIVER
(R)
DRIVER
(L)
(BRONZE)
(GREEN)
(RED)
ACCESSORIES & PACKING MATERIALS
******************************
4-954-463-01 CASE, SOFT
Ref. No.
Part No.
Description
Remarks
Ver 1.0 1999. 08
-- 2 --
Sony Corporation
Personal Audio Company
99H1657-1
Printed in Japan ©1999.8
Published by General Engineering Dept.
9-927-156-11
EXPLODED VIEW
1
4-954-041-21 PAD(L),EAR
1
4-954-042-21 PAD(R),EAR
2
4-954-044-01 URETHAN,FRONT
3
4-954-037-01 REGISTER, FRONT
4
4-954-038-01 REGISTER, SIDE
5
4-954-023-01 PLATE(L), FRONT
5
4-954-024-01 PLATE(R), FRONT
6
4-954-018-01 EQUALIZER (A)
7
1-505-137-11 DRIVER (050F020)
8
4-954-009-01 STOPPER, DRIVER
9
4-954-039-01 SPRING, HANGER
10
4-954-010-11 FLANGE (L)
10
4-954-011-11 FLANGE (R)
11
4-954-013-01 BUSHING
* 12
3-671-893-00 CLAMP (LOW TYPE)
13
4-954-026-01 CAP(L), HOUSING
13
4-954-027-01 CAP(R), HOUSING
14
4-954-277-21 CAP(L), ORANAMENTAL
14
4-954-278-21 CAP(R), ORANAMENTAL
15
4-954-017-01 CAM,HANGER
16
X-4943-118-1 HANGER (L) ASSY
16
X-4943-119-1 HANGER (R) ASSY
* 17
2-266-942-00 SPRING, COMPRESSION
18
A-4540-590-A BAND ASSY, HEAD
19
1-696-608-11 CORD(WITH PLUG)
20
1-558-092-01 WIRE, SHIELD (1 CORE)
21
4-954-025-01 LID (FRONT) (L), ROTOR
21
4-954-029-01 LID (FRONT) (R), ROTOR
22
4-954-014-01 LID (REAR) (L), ROTOR
22
4-954-021-01 LID (REAR) (R), ROTOR
#1
7-621-255-40 SCREW +P 2
× 6
#2
7-621-255-65 SCREW +P 2
× 10
#3
7-622-205-05 NUT M2 TYPE 2
#4
7-671-112-11 BALL, STAINLESS (2.5 DIA)
#5
7-685-102-19 SCREW +P 2
× 4 NON-SLIT TYPE 2
#6
7-685-103-19 SCREW +P 2
× 5 TYPE 2 NON-SLIT
#7
7-685-132-19 SCREW +P 2.6
× 5 TYPE 2 NON-SLIT
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
NOTE:
·
-XX, -X mean standardized parts, so they may
have some differences from the original one.
·
The mechanical parts with no reference number
in the exploded views are not supplied.
#5
not supplied
#2
#5
#4
#2
#6
#5
#1
#3
14
13
22
20
15
16
21
8
7
6
5
3
12
11
10
9
2
1
19
(including 19)
17
18
not supplied
#7
4