Sony MDR-RF975RK User manual

MDR-RF975RK
Wireless Stereo Headphones MDR-RF975R
Transmitter TMR-RF975R
MDR-RF975RK
SERVICE MANUAL
WIRELESS STEREO
HEADPHONE SYSTEM
SPECIFICATIONS
US Model
MDR-RF975RK is Composed of the following models.
As for the service manual it is issued for each component model,
then please refer to it.
COMPONENT MODEL NAME FOR MDR-RF975RK
PARTS LIST
Ref. No. Part No. Description Remark
9-873-142-11
2001E0200-1
© 2001.5
Sony Corporation
Personal Audio Company
Shinagawa Tec Service Manual Production Group
Ver 1.0 2001. 05
The components identified by
mark !or dotted line with mark
!are critical for safety.
Replace only with part number
specified.
ACCESSORIES & PACKING MATERIALS
****************************
01-473-588-12 ADAPTOR, AC (AC-S901)
1-473-606-11 ADAPTOR, PLUG
(Stereo mini jack tstereo phone plug)
1-751-754-11 CORD, CONNECTION
(Phono plugs ystereo mini plug), 1m
3-233-606-11 MANUAL, INSTRUCTION (ENGLISH, SPANISH)
General
Carrier frequency
913.5 – 914.5 MHz
Channel Ch1, Ch2, Ch3
Modulation FM stereo
Frequency response
18 – 22,000 Hz
Transmitter TMR-RF975R
Power source DC 9 V: supplied AC power adaptor
Audio input phono jacks/stereo mini jack
Dimensions Approx. 130 135 150 mm
(5 1/45
3/86 in.) (w/h/d)
Mass Approx. 200 g (7 oz.)
Headphones MDR-RF975R
Power source DC 2.4 V: Built-in rechargeable
battery
Mass Approx. 350 g (12.3 oz.) incl.
built-in rechargeable battery
Built-in Ni-MH rechargeable battery
Model name NH-AAC
Voltage 1.2 V
Capacity 1,000 mAh
Design and specifications are subject to change without
notice.
X
XX
X

2
MDR-RF975RK SECTION 1
GENERAL
This section is extracted from
instruction manual.
Setting up the
transmitter
1
Connect the transmitter to audio/video
equipment. Select one of the hookups
below depending on the jack type:
To connect to a headphones jack
DC IN 9V
OFF ON
FILTERNOISE
123
CHANNEL
R
BA
L
AUDIO IN
Transmitter
Left channel
(white)
Right channel
(red)
Unimatch plug
adaptor
(supplied)
Discman, MD,
WALKMAN*, VCR,
etc.
to headphones
jack (stereo
mini jack)
Connecting cord
(supplied)
to AUDIO IN
A jacks
to headphones
jack (stereo
phone jack)
A
5Turn up the volume to a moderate level
with the VOL control.
Press the TUNING button briefly for
automatic tuning of the headphones.
If you do not receive a clear audio signal,
press it again.
Try the above steps 3 and 5 until the
receiving performance becomes better.
TUNING
button
VOL control
Auto power on/off function
When you remove the headphones from your
head, the power turns off automatically. Do not
allow the self adjusting band to be pulled up,
otherwise the headphones will be switched on.
The power turns on.

3
MDR-RF975RK

MDR-RF975RK
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
1.0 2001.05 New