Sony MDR-RF875RK User manual

MDR-RF875RK
AEP Model
UK Model
SERVICE MANUAL
WIRELESS STEREO
HEADPHONE SYSYTEM
MDR-RF875RK is composed of the following models.
As for the service manual it is issued for each component
model, then please refer to it.
Headphones MDR-RF875R
Transmitter TMR-RF875R
COMPONENT MODEL NAME FOR MDR-RF875RK
PARTS LIST
The components identified by mark 0or dotted
line with mark 0are critical for safety.
Replace only with part number specified.
Ref. No. Part No. Description Remarks
ACCESSORIES & PACKING MATERIALS
*******************************
01-475-761-12 ADAPTOR, AC (AC-S901K)(AEP)
01-473-590-12 ADAPTOR, AC (AC-S901) (UK)
01-473-606-11 ADAPTOR, PLUG
1-559-906-32 CORD, CONNECTION
3-222-709-11 MANUAL,INSTRUCTION (ENGLISH)(AEP,UK)
3-222-709-21 MANUAL,INSTRUCTION
(FRENNCH,GERMAN,SPANISH,DUTCH,ITALIAN,
PORUTGUESE) (AEP)
SPECIFICATIONS
General
Carrier frequency
863.5 – 864.5 MHz
Channel Ch1, Ch2, Ch3
Modulation FM stereo
Frequency response
18 – 22,000 Hz
Transmitter TMR-RF875R
Power source DC 9 V: supplied AC power
adaptor
Audio input phono jacks/stereo mini jack
Dimensions Approx. 130 ×135 ×150 mm
(5
1
/ 4 ×5
3
/ 8 ×6 in.) (w/h/d)
Mass Approx. 200 g (7 oz.)
Headphones MDR-RF875R
Power source DC 2.4 V: Built-in rechargeable
battery
Mass Approx. 350 g (12.25 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.
Ver 1.0 2000. 08

MDR-RF875RK
— 2 —
Sony Corporation
Audio Entertainment Group 2000H1646-1
Printed in Japan ©2000.8
Published by PE General Engineering Dept.
9-927-965-11
SECTION 1
GENERAL This section is extracted
from instruction manual.
DC IN 9V
OFF ON
FILTERNOISE
123
CHANNEL
RBAL
AUDIO IN
Setting up the
transmitter
1 Connect the transmitter to audio/video
equipment. Select one of the hookups
below depending on the jack type:
ATo connect to a headphone jack
Transmitter
Left channel
(white)
Right channel
(red)
Unimatch plug
adaptor
(supplied)
CD Walkman,
MD Walkman,
WALKMAN*,
VCR, etc.
to headphones
jack (stereo
mini jack)
Connecting cord
(supplied)
to AUDIO IN
A jacks
to headphones
jack (stereo
phone jack)
5 Turn 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.
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.
Note
If a hissing noise is heard move closer to the transmitter.
TUNING
VOL control