Sony Corporation
Personal Audio Company
Published by Sony Engineering Corporation
9-873-530-01
2002B1600-1
© 2002.02
SRS-RF90R/RF90RK/
TMR-RF90
US Model
Canadian Model
SERVICE MANUAL
WIRELESS STEREO SPEAKER SYSTEM
SPECIFICATIONS
General
Carrier frequency 913.5 – 914.5 MHz
Channel
Ch1, Ch2, Ch3
Modulation
FM stereo
Transmitter (SRS-RF90RK only)
Power source
DC 9 V: supplied AC power adaptor
(AC-S901)
Audio input
phono jacks/stereo mini jack
Input impedance 33 k
Ω
/51
Ω
switchable
Dimensions
Approx. 136
×
136
×
100 mm
(6
×
6
×
4
1
/
3
in.) (w/h/d)
Mass
Approx. 146 g (5.2 oz.)
Speaker system SRS-RF90RK, SRS-RF90R
Speaker system 2 way magnetically shielded
Enclosure type Bass reflex
Speaker units
tweeter: 30 mm
×
2
woofer: 57 mm
×
1
Power source
DC 9 V: supplied AC adaptor (AC-S906T)
Rated output
Built in amplifiers total 4W (while
using the supplied AC adaptor)
* power output:
Tweeter: 0.25W + 0.25W < 10%
T.H.D., 5 kHz 24 ohms
Woofer: 3.5W < 10% T.H.D., 1kHz
6 ohms
Dimensions
Approx. 234
×
300
×
126 mm
( 9
1
/
4
×
11
7
/
8
×
5 in.) (w/h/d)
Mass
Approx. 905 g (31.9 oz.) incl.
built-in rechargeable battery
Built-in Ni-Cd rechargeable battery
Voltage
7.2 V
Capacity
700 mAh
Duration time
Approx. 4 hours
(with the 10 mW reflector light OFF)
Charging time
Approx. 28 hours (from fully
discharged to fully charged)
Supplied accessory
The transmitter (SRS-RF90RK only)
AC adaptor (2 for SRS-RF90RK) (1 for SRS-RF90R)
Connecting cord phono plug-stereo miniplug (1m) (1)
Operating instructions (1)
Design and specifications are subject to change without
notice.
SRS-RF90RK
Wireless Active Speaker
SRS-RF90R
RF Transmitter
TMR-RF90
• SRS-RF90RK is composed of following models.
COMPONENT MODEL NAME
SRS-RF90R
TMR-RF90
• SRS-RF90R is sold as single model too.
