SRS-RF90R, SRS-RF90RK, TMR-RF90 - Sony Audio Service Manual (repair manual)

Model
SRS-RF90R SRS-RF90RK TMR-RF90
Pages
28
Size
5.31 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
srs-rf90r-srs-rf90rk-tmr-rf90.pdf
Date

View Sony SRS-RF90R / SRS-RF90RK / TMR-RF90 Service Manual online

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
Ver 1.0  2002. 02
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.
2
SRS-RF90R/RF90RK/TMR-RF90
TABLE  OF  CONTENTS
1. GENERAL
·········································································· 4
2. DISASSEMBLY
2-1. Grille bracket ································································· 5
2-2. Front cabinet section, Rear cabinet section ··················· 6
2-3. Nickel cadmium battery, Speaker (057F022) ················ 6
2-4. Cabinet (Top section), JACK Board, RX board ············ 7
2-5. CHARGE board, SW board ·········································· 7
2-6. AMP board, MEGABASS board,
REFLECTOR board ······················································ 8
2-7. Drive (030F034) ···························································· 8
3. ELECTRICAL ADJUSTMENTS
································· 9
4. DIAGRAMS
······································································ 12
4-1. Block Diagrams
– SRS-RF90R – ··························································· 13
– TMR-RF90 – ···························································· 14
4-2. Printed Wiring Boards (SRS-RF90R)
– RX Bord Section – ··················································· 15
4-3. Schematic Diagram (SRS-RF90R)
– RX Bord Section – ··················································· 16
4-4. Printed Wiring Boards (SRS-RF90R)
– AMP Bord Section – ················································ 17
4-5. Schematic Diagram (SRS-RF90R)
– AMP Bord Section – ················································ 18
4-6. Printed Wiring Board (TMR-RF90) ···························· 19
4-7. Schematic Diagram (TMR-RF90) ······························· 20
5. EXPLODED VIEWS
5-1. Front Cabinet Section (SRS-RF90R) ·························· 21
5-2. Rear Cabinet Section (SRS-RF90R) ··························· 22
5-3. TMR-RF90 ·································································· 23
6. ELECTRICAL PARTS LIST
······································· 24
3
SRS-RF90R/RF90RK/TMR-RF90
SERVICING  NOTE
Note : In the place of a          mark, as shown in figure, the wires are taken about.
( Rear side )
tape
cushion
cushion
( Front side )
Leading about of wiring
4
SRS-RF90R/RF90RK/TMR-RF90
SECTION 1
GENERAL
This section is extracted from
instruction manual.
1
First turn on the audio/video equipment
and start playing.
The power indicator of the transmitter
will light up.
2
Turn on the speaker system.
The power indicator of the speaker
system will light in red.
3
Select the radio frequency with the
CHANNEL selector.
1 2 3
CHANNEL
1
Connect the speaker system to a power
source.
AC power adaptor (supplied)
Tweeter
(left)
Tweeter
(right)
To an AC
outlet
OFF y ON
The switch of the
reflector light
POWER switch
POWER indicator
High
Low
TUNING
button
VOLUME control
2
The CHARGE indicator on the speaker
system will light up to indicate that the
battery is being charged.
CHARGE indicator
A
To connect to a LINE OUT or REC OUT
B
To connect to headphones jack
DC IN 9V
OFF
ON
FILTER
NOISE
1 2 3
CHANNEL
R
B
A
L
AUDIO IN
Transmitter
to AUDIO IN
B jack
Connecting cord
(supplied)
Right channel
(red)
Left channel
(white)
to LINE OUT or REC
OUT jacks
Stereo system, VCR, etc.
DC IN 9V
OFF
ON
FILTER
NOISE
1 2 3
CHANNEL
R
B
A
L
AUDIO IN
Transmitter
Left channel
(white)
Right channel
(red)
Connecting cord
(supplied)
to AUDIO IN
A jacks
Unimatch plug
adaptor (not
supplied)
Discman, MD,
WALKMAN*, VCR,
etc.
to headphones
or LINE OUT jack
(stereo mini jack)
to headphones
jack (stereo
phone jack)
SRS-RF90R
TMR-RF90

Download Sony SRS-RF90R / SRS-RF90RK / TMR-RF90 Service Manual (Repair Manual)

Here you can view online and download Sony SRS-RF90R / SRS-RF90RK / TMR-RF90 Service Manual in PDF. SRS-RF90R / SRS-RF90RK / TMR-RF90 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony SRS-RF90R / SRS-RF90RK / TMR-RF90 Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.