Sony MDRIF-240-RK Service manual

MDR-IF240RK

SERVICE MANUAL

Ver. 1.0 2004. 11

• The MDR-IF240RK is comprised of headphones
(MDR-IF240R) section and transmitter (TMR­IF240R) section.
Service manuals associated with their respective
models are published.
See the respective service manuals for details.

• MDR-IF240RK consists of the following models respectively.

Cordless stereo headphones MDR-IF240R

Transmitter TMR-IF240R

SPECIFICATIONS

E Model

Australian Model

Tourist Model

General

Modulation system Frequency modulation
Carrier frequency Right 2.8 MHz

Left 2.3 MHz

Frequency response 18 – 22,000 Hz

Transmitter TMR-IF240R

Power source DC IN 9 V jack accepts

power supplied from the AC
power adaptor for use on the following
voltages:

Where Operating
purchased voltage

Japan (exept for Japanese 110 V/120 V/220 V/
domestic model) 240 V AC, 50/60 Hz
Other countries 220 – 230 V AC, 50/

60 Hz or 120 V AC, 60 Hz

Audio input Phono jacks/stereo mini jack
Dimensions Approx. 154 x 78 x99 mm

(6 1/8 x 3 1/8 x 4 in.)
(w/h/d)

Mass Approx. 115 g (4.06 oz.)

Headphone MDR-IF240R

Power source Supplied rechargeable

nickel-metal hydride battery
BP-HP550 or commercially available
(size AAA) dry battery

Mass Approx. 125 g (4.41 oz.)

including battery

Supplied accessories

AC power adaptor (1)
Connecting cord (approx. 1m, stereo mini plug x 1 y
phono plug x 2) (1)
Rechargeable nickel - metal hydride battery BP-HP550
(550 mAh min) (1)
Unimatch plug adaptor (stereo mini jack y stereo phone plug) (1)
Operating instructions (1)

Design and specifications are subject to change without notice.

9-879-343-01

2004K02-1
© 2004.11

CORDLESS STEREO HEADPHONE SYSTEM

Sony Corporation

Personal Audio Company
Published by Sony Engineering Corporation

MDR-IF240RK

ACCESSORIES

Ref. No. Part No. Description Remarks

1-473-606-11 ADAPTOR, PLUG

0 1-475-761-14 ADAPTOR, AC (AC-S901K) (E)
0 1-477-985-12 ADAPTOR, AC (AC-X1) (Australian)
0 1-569-008-12 ADAPTOR, CONVERSION 2P (Tourist)
0 1-693-007-21 ADAPTOR, AC (AC-S195) (Tourist)

1-756-316-32 BATTERY, NICKEL.HYDROGEN
1-827-229-11 CORD, CONNECTION

3-248-361-11 MANUAL, INSTRUCTION

The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.

(STEREO MINI PLUG to PHONE PLUG)

(PIN PLUG/STEREO MINI PLUG)

(ENGLISH, FRENCH, SPANISH)

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