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Sony MDR-7505 Service Manual
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Sony MDR-7505 Service Manual

Stereo headphones
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SERVICE MANUAL
Ver 1.1 2003. 12
SPECIFICATIONS
Type
: Dynamic, Closed
Driver unites
: ø40 mm, dome type
Impedence
: 40
at 1 kHz
Sensitivety
: 102 dB/mW
Power handling capacity
: 1000 mW
Frequency response
: 10 – 25,000 Hz
Cord
: Coiled 1 – 3 m long single-sided OFC-litz cord
with a gold plated stereo unimatch plug
Mass
: Approx. 225 g (wihtout cord)
Supplied accessory
: Soft case (1)
Design and specifications are subject to change without notice.
Features
• Monitoring headphones for DJ and remix use
• Swivel earcup allows easy single sided monitoring on shoulders
• 40 mm driver unit for high quality sound
• Coiled OFC litz cord
• Screw type gold plated stereo unimatch plug for secure
connection
• Convenient folding design
9-927-155-12
Sony Corporation
2003L16-1
Personal Audio Company
© 2003.12
Published by Sony Engineering Corporation
MDR-7505
[WIRING DIAGRAM]
(RED)
(BRONZE)
Marking
DRIVER
(R)
(BRONZE)
STEREO HEADPHONES
US Model
AEP Model
(BRONZE)
(RED)
Marking
DRIVER
(L)
(RED)
(GREEN)

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Summary of Contents for Sony MDR-7505

  • Page 1 • 40 mm driver unit for high quality sound • Coiled OFC litz cord • Screw type gold plated stereo unimatch plug for secure connection • Convenient folding design STEREO HEADPHONES 9-927-155-12 Sony Corporation 2003L16-1 Personal Audio Company © 2003.12 Published by Sony Engineering Corporation...

  • Page 2: Section 1 Disassembly

    MDR-7505 SECTION 1 DISASSEMBLY Note : Disassemble the unit in the order as shown below. Driver (L side) Cord (with plug) Hunger (L) Driver (R side) Hunger (R) Note : Follow the disassembly procedure in the numerical order given. 1-1. DRIVER (L SIDE)
  • Page 3 MDR-7505 1-3. HUNGER (L) 2 Cushion stopper (upper) Precaution during installation Adjust the distance between the slider holder and harness to the specified distance as shown. Slider holder (L side) 1 Two screws (+P2 0 – 2 mm 3 Cushion stopper (lower) (L)
  • Page 4 MDR-7505 1-4. DRIVER (R SIDE) 5 Remove the two solderings 6 Driver (headphone) (040F016) 4 Rotate it in the direction of the arrow. 2 Three screws (+P2.6 Precaution during installation 1 Ear pad Driver (R side) 3 Front assembly plate...
  • Page 5 MDR-7505 1-5. HUNGER (R) 4 Cushion stopper (upper) Precaution during installation Adjust the distance between the slider holder and harness to the specified distance as shown. 3 Two screws Slider holder (R side) (+P2 5 Cushion stopper (lower) (R) 0 – 2 mm...

  • Page 6: Section 2 Exploded View

    MDR-7505 Ver 1.1 2003.12 SECTION 2 EXPLODED VIEW 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.
  • Page 7 MDR-7505 ACCESSORIE Part No. Description Remarks ACCESSORIES ************ 4-954-463-01 CASE, SOFT — 7 —...

  • Page 8: Revision History

    MDR-7505 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. Date Description of Revision 1999.08...