Sony MDR-7505 - User Manual

MDR-7505
US Model
AEP Model
SERVICE MANUAL
STEREO HEADPHONES
SPECIFICATIONS
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
Type : Dynamic, Closed
Driver unites : ø40 mm, dome type
Impedence : 40 Ω 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.
[WIRING DIAGRAM]
(RED)
(RED)
(BRONZE)
(BRONZE)
Marking
Marking
DRIVER
(R)
DRIVER
(L)
(BRONZE)
(GREEN)
(RED)
Ver 1.1 2003. 12
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
9-927-155-12
2003L16-1
© 2003.12

Summary

Specifications

Product Specifications

Technical details including driver type, impedance, sensitivity, frequency response, and cord specifications.

Key Features

Highlights of the MDR-7505 headphones, such as DJ use, swivel earcups, and secure connections.

Wiring Diagram

Visual representation of the headphone wiring connections for left and right channels.

Disassembly Guide

Driver (L Side) Disassembly

Step-by-step instructions for disassembling the left ear cup driver unit.

Cord (with Plug) Disassembly

Procedure for disconnecting and removing the headphone cord assembly.

Hunger (L) Disassembly

Instructions for disassembling the left side hanger mechanism.

Driver (R Side) Disassembly

Step-by-step instructions for disassembling the right ear cup driver unit.

Hunger (R) Disassembly

Instructions for disassembling the right side hanger mechanism.

Exploded View and Parts List

Exploded View Diagram

An exploded view illustration of the MDR-7505 headphones.

Parts Identification

A detailed list of all parts with reference numbers and descriptions.

Accessories and Revision History

Included Accessories

List of accessories provided with the MDR-7505 headphones, including the soft case.

Revision History

Records of changes and updates made to the service manual over different versions.

Sony MDR-7505 Specifications

General

Driver Size	40 mm
Frequency Response	10 Hz - 20 kHz
Impedance	63 Ohms
Sensitivity	106 dB/mW
Dynamic	Yes
Circumaural	Yes
Type	Closed-back dynamic
Cable Length	3.0 m
Weight	230 g (8.1 oz)