Sony MDR-IF240RK Service Manual

SERVICE MANUAL
Ver. 1.0 2004. 11
• The MDR-IF240RK is comprised of headphones
(MDR-IF240R) section and transmitter (TMR-
IF240R) 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
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
purchased
Japan (exept for Japanese
domestic model)
Other countries
Audio input Phono jacks/stereo mini jack
Dimensions Approx. 154 x 78 x99 mm
1
(6 / x 3
8
(w/h/d)
Mass Approx. 115 g (4.06 oz.)
Sony Corporation
9-879-343-01
Personal Audio Company
2004K02-1
© 2004.11
Published by Sony Engineering Corporation
MDR-IF240RK
TMR-IF240R
SPECIFICATIONS
Operating
voltage
110 V/120 V/220 V/
240 V AC, 50/60 Hz
220 – 230 V AC, 50/
60 Hz or 120 V AC, 60 Hz
1
/ x 4 in.)
8
CORDLESS STEREO HEADPHONE SYSTEM
Australian Model
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.
E Model
Tourist Model