Sony SRS-RF930RK Service Manual
Sony SRS-RF930RK Service Manual

Sony SRS-RF930RK Service Manual

Wireless stereo speaker system
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SERVICE MANUAL
Ver. 1.1 2006.02
General
Carrier frequency 913.5, 914, 914.5 MHz
Channel
Modulation
Transmitter
Power source
Audio input
Input impedance 27 k /50
Dimensions
Mass
Speaker system
Speaker system Full range, Bass reflex, magnetically
Speaker Unit
Rated output
Audio input
Input impedance 5.9 k at 1 kHz
Dimensions
Mass
Sony Corporation
9-887-014-02
Personal Audio Division
2006B16-1
Published by Sony Techno Create Corporation
© 2006.02
SRS-RF930RK
Photo : SILVER
SPECIFICATIONS
Ch1, Ch2, Ch3
FM stereo
DC 9 V: supplied AC power adaptor
(AC-S901)
Input cord - stereo mini plug
(1.5 m)/stereo mini jack
at 1 kHz
×
×
Approx. 120
107
123 mm
×
×
(4
/
4
/
4
/
in.) (w/h/d)
3
1
7
4
4
8
Approx. 192 g (6.8 oz.)
shielded
57 mm (diameter)
2 W
stereo mini jack
×
×
Approx. 366
120
86 mm
×
×
( 14
1
/
4
3
/
3
1
/
in.) (w/h/d)
2
4
2
Approx. 905 g (31.9 oz.) incl.
built-in rechargeable battery
WIRELESS STEREO SPEAKER SYSTEM
Canadian Model
Built-in Ni-MH rechargeable battery
Voltage
4.8 V
Capacity
700 mAh
Duration time
Approx. 14 hours*
Charging time
Approx. 16 hours (from fully
discharged to fully charged)
* at 5 mW + 5 mW output
Supplied accessories
AC adaptor (1)
Operating instructions (1)
Design and specifications are subject to change without notice.
US Model

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Summary of Contents for Sony SRS-RF930RK

  • Page 1 Dimensions Approx. 366 86 mm × × ( 14 in.) (w/h/d) Mass Approx. 905 g (31.9 oz.) incl. built-in rechargeable battery WIRELESS STEREO SPEAKER SYSTEM Sony Corporation 9-887-014-02 Personal Audio Division 2006B16-1 Published by Sony Techno Create Corporation © 2006.02...
  • Page 2: Table Of Contents

    LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 3: General

    SRS-RF930RK SECTION 1 GENERAL This section is extracted from instruction manual. Transmitter DC IN 9V 1 2 3 NOISE FILTER AUDIO IN CHANNEL AUDIO IN A Audio cord (AUDIO IN A) to headphones or LINE OUT jack (stereo mini jack)
  • Page 4: Disassembly

    SRS-RF930RK SECTION 2 DISASSEMBLY Note: Disassemble the unit in the order as shown below. 2-1. DISASSEMBLY FLOW SET(SRS-RF930RK) 2-2. REAR CABINET, SIDE PANEL 2-7. TX BOARD (Page 4) (Page 7) 2-5. SPEAKER 2-3. NI-MH BATTERY 2-4. RX BOARD (Page 6)
  • Page 5: Ni-Mh Battery

    SRS-RF930RK 2-3. NI-MH BATTERY 2 Ni-MH battery 1 connector (CN801) 2-4. RX BOARD 1 connector (CN301) 2 RX board...
  • Page 6: Speaker

    SRS-RF930RK 2-5. SPEAKER 2 four screws (+BV tapping B3) 4 speaker our screws (+BV tapping B3) 1 connector (CN702) 5 speaker 2-6. AMP BOARD 1 connector (CN702) 2 three screws (+P tapping B2.6) 3 AMP board...
  • Page 7: Tx Board

    SRS-RF930RK 2-7. TX BOARD 4 top cabinet assembly 6 remove three solderings S401 (red) (white) (black) 7 stereo cable 5 TX-BASE board 2 two screws (+P tapping B2.6) 3 two screws (+P tapping B2.6) 1 two foot rubbers...
  • Page 8: Diagrams

    SRS-RF930RK SECTION 3 DIAGRAMS NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. Note on Printed Wiring Boards. Note on Schematic Diagrams. • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or • X : parts extracted from the component side.
  • Page 9: Block Diagram - Amp Assy

    SRS-RF930RK 3-1. BLOCK DIAGRAM – AMP ASSY – D703,704 MUTE DET R-CH J701 AUDIO IN Q102 IC301 IF AMP/DECODE MUTE IC302 IC701 (ANT) SP101 RX-FE FM IF/ DECODE IC102 FM FE (SPEAKER) UNIT DISCRI R-CH POWER AMP CF302 (914MHz) 10.7MHz...
  • Page 10: Block Diagram - Transmitter Assy

    SRS-RF930RK 3-2. BLOCK DIAGRAM – TRANSMITTER ASSY – IC403 ANT401 STEREO MPX RV403 Q501-Q503 IC401 MODULATION R-CH J401 (STEREO COMPOSITE SIGNAL) BUFFER MOD IN TIME DIVISION AUDIO IN J402 R-CH R-CH (VCO UNIT) (GND) NOISE BUFFER FILTER S401 NOISE FILTER...
  • Page 11: Printed Wiring Boards - Amp Board Section

    SRS-RF930RK • See page 8 for Circuit Boards Location. 3-3. PRINTED WIRING BOARDS – AMP BOARD SECTION – :Uses unleaded solder. BATTERY PACK RECHARGEABLE BATTERY (NICKEL - HYDRICMETAL) 4PCS, 4.8V BOARD CN301 (Page 13) (POWER) AUDIO IN POWER L-CH • Semiconductor Location Ref.
  • Page 12: Schematic Diagram - Amp Board Section

    SRS-RF930RK 3-4. SCHEMATIC DIAGRAM – AMP BOARD SECTION – • See page 17 for IC Block Diagram. TJ709 D704 C707 DAN202UT106 TJ708 FB705 C706 TJ103 J701 R710 R711 TJ710 470k 470k TJ203 R120 R220 2.2k R225 R125 TJ707 TJ706 2.2k 6.8k...
  • Page 13: Printed Wiring Board - Rx Board Section

    SRS-RF930RK • See page 8 for Circuit Boards Location. 3-5. PRINTED WIRING BOARD – RX BOARD SECTION – :Uses unleaded solder. BOARD CN701 (Page 11) JC306 C340 TP304 TP305 TP302 C323 C313 C318 C350 Q306 C315 C351 TP303 C316 TP301...
  • Page 14: Schematic Diagram - Rx Board Section

    SRS-RF930RK 3-6. SCHEMATIC DIAGRAM – RX BOARD SECTION – ANT1 C302 R330 C301 C303 C305 C304 C306 C326 TP308 4.7k C347 0.01 0.001 0.001 JC326 R302 R305 CF301 TP307 10.7MHz C309 C341 C307 L301 0.01 RV301 C311 4.7k 0.01 JC301...
  • Page 15: Printed Wiring Boards - Tx-Base Board Section

    SRS-RF930RK • See page 8 for Circuit Boards Location. 3-7. PRINTED WIRING BOARDS – TX-BASE BOARD SECTION – :Uses unleaded solder. • Semiconductor Location J601 AUDIO IN Ref. No. Location J401 DC IN 9V D401 D404 (GND) D405 D406 S402...
  • Page 16: Schematic Diagram - Tx-Base Board Section

    SRS-RF930RK 3-8. SCHEMATIC DIAGRAM – TX-BASE BOARD SECTION – • See page 17 for Waveforms. • See page 18 for IC Block Diagrams. R418 R411 2.2k L402 0µH J401 L401 0µH TP26 TP25 JW407 R401 R408 R404 R406 2.2k R455...
  • Page 17 SRS-RF930RK • Waveforms — TX-BASE Board — IC403 6 TO CRYSTAL 1.8 Vp-p 26.3 µ s 500 mV/DIV, 10 µ s/DIV IC403 8 PILOT OUTPUT 0.58 Vp-p 52.6 µ s 200 mV/DIV, 20 µ s/DIV • IC Block Diagrams – AMP Board –...
  • Page 18 SRS-RF930RK – TX-BASE Board – IC601 NJM2903M OUTPUT1 OUTPUT2 -INPUT1 -INPUT2 +INPUT1 +INPUT2 IC602 MC14521BDR2 STAGES 11 THRU 15 STAGES 3 THRU 7...
  • Page 19: Exploded Views

    SRS-RF930RK SECTION 4 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they • Color Indication of Appearance Parts may have some difference from the original are seldom required for routine service.
  • Page 20: Transmitter Section

    SRS-RF930RK 4-2. TRANSMITTER SECTION not supplied not supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1149-663-A TOP CABINET ASSY (SILVER) A-1149-665-A TX BOARD, COMPLETE A-1175-371-A TOP CABINET ASSY (WHITE) 2-649-913-01 CABINET (T), BOTTOM (SILVER)
  • Page 21: Electrical Parts List

    SRS-RF930RK Ver. 1.1 SECTION 5 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, parts list may be different from the parts All resistors are in ohms. please include the board name.
  • Page 22 SRS-RF930RK INPUT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R121 1-216-827-11 METAL CHIP 3.3K 1/10W < JACK > R122 1-216-833-11 METAL CHIP 1/10W R123 1-216-835-11 METAL CHIP 1/10W J701 1-770-786-22 JACK (AUDIO IN) R126 1-216-839-11 METAL CHIP...
  • Page 23 SRS-RF930RK TX-BASE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C351 1-131-862-91 TANTAL. CHIP 47uF < VARIABLE RESISTOR > < FILTER > RV301 1-241-763-11 RES, ADJ CERMET 4.7K RV303 1-227-720-11 RES, VAR CARBON 10K (TUNE) CF301 1-577-572-11 FILTER, CERAMIC (10.7MHz)
  • Page 24 SRS-RF930RK TX-BASE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C604 1-126-947-11 ELECT 47uF < RESISTOR > < DIODE > R401 1-216-839-11 METAL CHIP 1/10W R402 1-216-809-11 METAL CHIP 1/10W D401 8-719-059-40 DIODE SLR-342VR3F R403 1-216-809-11 METAL CHIP...
  • Page 25 SRS-RF930RK TX-BASE Ref. No. Part No. Description Remark R601 1-216-853-11 METAL CHIP 470K 1/10W R602 1-216-857-11 METAL CHIP 1/10W R603 1-216-841-11 METAL CHIP 1/10W R604 1-216-825-11 METAL CHIP 2.2K 1/10W R605 1-216-825-11 METAL CHIP 2.2K 1/10W R606 1-216-857-11 METAL CHIP...
  • Page 26: Revision History

    SRS-RF930RK 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 2006.01...

Table of Contents