Sony SRS-RF90RK Service Manual

SERVICE MANUAL
Ver 1.0 2002. 02
• SRS-RF90RK is composed of following models.
COMPONENT MODEL NAME
SRS-RF90RK
Wireless Active Speaker SRS-RF90R
RF Transmitter TMR-RF90
• SRS-RF90R is sold as single model too.
General
Carrier frequency 913.5 – 914.5 MHz
Channel
Modulation
Transmitter (SRS-RF90RK only)
Power source
Audio input
Input impedance 33 kΩ/51 Ω switchable
Dimensions
Mass
Speaker system SRS-RF90RK, SRS-RF90R
Speaker system 2 way magnetically shielded
Enclosure type Bass reflex
Speaker units
Power source
Rated output
Dimensions
Mass
Sony Corporation
9-873-530-01
2002B1600-1
Personal Audio Company
© 2002.02 Published by Sony Engineering Corporation
SRS-RF90R
SPECIFICATIONS
Ch1, Ch2, Ch3
FM stereo
DC 9 V: supplied AC power adaptor
(AC-S901)
phono jacks/stereo mini jack
Approx. 136 × 136 × 100 mm
(6 × 6 × 4
1 / in.) (w/h/d)
3
Approx. 146 g (5.2 oz.)
tweeter: 30 mm × 2
woofer: 57 mm × 1
DC 9 V: supplied AC adaptor (AC-S906T)
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
Approx. 234 × 300 × 126 mm
× 11 × 5 in.) (w/h/d)
( 9 1 / 7 /
4 8
Approx. 905 g (31.9 oz.) incl.
built-in rechargeable battery
WIRELESS STEREO SPEAKER SYSTEM
SRS-RF90R/RF90RK/
TMR-RF90
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.
TMR-RF90
US Model
Canadian Model