Sony MDR-IF540R - User Manual

1
SERVICE MANUAL
US Model
Canadian Model
E Model
Tourist Model
MDR-IF540R
HEADPHONES
Ver 1.0 2003. 03
9-877-225-01
2003C0400-1
© 2003. 03
Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
Notes on Chip Component Replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Headphones
Power source Supplied rechargeable
nickel-metal hydride
batteries BP-HP550 or
commercially available
(size AAA) dry batteries
Mass Approx. 285 g (11 oz.)
including batteries
Design and specifications are subject to change without
notice.
SPECIFICATIONS
SRS is a trademark of SRS Labs Inc.
SRS Headphones are manufactured under
license from SRS Labs. Inc.
• The MDR-IF540R is the headphones
that comprises the MDR-IF540RK.
• MDR-IF540RK consists of the following models respectively.
Headphones MDR-IF540R
Transmitter TMR-IF540R

Summary

Service Manual Overview

Specifications

Technical details and features of the headphones and transmitter.

Chip Component Replacement Notes

Important precautions for replacing chip components.

Section 1: General Information

Charging Rechargeable Batteries

Procedure for charging the headphones' rechargeable batteries.

Using Dry Batteries

Instructions for using the headphones with non-rechargeable dry batteries.

Battery Power and Usage Notes

Information on checking battery status and battery usage precautions.

Section 2: Disassembly

Listening to a Programme

Steps to set up and listen to audio content through the headphones.

Headphone Features and Functions

Overview of automatic power off, mute, vibration, and SRS surround functions.

Disassembly Procedures

Detailed steps for disassembling headphone components and managing internal wiring.

Section 3: Electrical Adjustments

Mute ON Position Adjustment

Procedure for adjusting the mute function's activation point.

Tuning Adjustment

Procedure for adjusting the tuning sensitivity and range.

Section 4: Diagrams

Circuit Board Locations and Layouts

Diagrams showing circuit board locations and printed wiring board layouts.

System Block and Schematic Diagrams

Block diagrams of the receiver section and detailed schematic diagrams.

Section 5: Exploded Views

Housing (L) Assembly Section

Exploded view of the left housing assembly with part identification.

Housing (R) Assembly Section

Exploded view of the right housing assembly with part identification.

Section 6: Electrical Parts List

Board-Specific Component Lists

Lists of electrical parts for specific boards (BATT, PD1, PD2, RX).

Component Lists by Type

Lists of components categorized by type (Capacitors, Diodes, ICs, Coils, Transistors, Resistors).

Switch and Miscellaneous Parts

Lists of switches, variable resistors, and other miscellaneous components.

Sony MDR-IF540R Specifications

General

Brand	Sony
Model	MDR-IF540R
Category	Headphone
Language	English