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SERVICE MANUAL

Sony Corporation

Home Audio Company
Published by Sony Engineering Corporation

AEP Model

UK Model

SUBWOOFER

9-877-843-01

2004E0478-1
© 2004.05

Ver 1.0  2004.05

SPECIFICATIONS

SA-WMS356/WMS556

• SA-WMS356/WMS556 are the subwoofer

section in SA-VE356T/VE556H.

Speaker system Active subwoofer,

magnetically shielded

Speaker unit

Woofer: 15 cm 

×

 2, cone type

Enclosure type

Acoustically loaded
Bass Reflex

Reproduction frequency range

28 Hz - 200 Hz

Amplifier section
   Continuous RMS power output

SA-WMS356:
   120 W (6 ohms, 100 Hz,
   10 % THD)
SA-WMS556:
   150 W (6 ohms, 100 Hz,
   10 % THD)

Inputs

INPUT (input pin jack)

General

Power requirements

230 - 240 V AC, 50/60 Hz

Power consumptions

120 W
1 W (standby mode)

Dimensions (w/h/d)

Approx. 180 

×

 405 

×

 501 mm,

including front grille

Mass

Approx. 12 kg

Design and specifications are subject to change
without notice.

Summary of Contents for SA-WMS356

Page 1: ...ielded Speaker unit Woofer 15 cm 2 cone type Enclosure type Acoustically loaded Bass Reflex Reproduction frequency range 28 Hz 200 Hz Amplifier section Continuous RMS power output SA WMS356 120 W 6 ohms 100 Hz 10 THD SA WMS556 150 W 6 ohms 100 Hz 10 THD Inputs INPUT input pin jack General Power requirements 230 240 V AC 50 60 Hz Power consumptions 120 W 1 W standby mode Dimensions w h d Approx 180...

Page 2: ...rdinary soldering irons can be used but the iron tip has to be applied to the solder joint for a slightly longer time Soldering irons using a temperature regulator should be set to about 350 C Caution The printed pattern copper foil may peel away if the heated tip is applied for too long so be careful Strong viscosity Unleaded solder is more viscou s sticky less prone to flow than ordinary solder ...

Page 3: ...Voltage variations may be noted due to normal production tolerances Signal path F AUDIO For Printed Wiring Boards Note X parts extracted from the component side Y parts extracted from the conductor side Pattern from the side which enables seeing THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS In addition to this the necessary note is printed in each block Note The components i...

Page 4: ...4 SA WMS356 WMS556 1 2 3 4 5 6 7 8 9 10 11 12 13 IC701 STK404 140S IC Block Diagram POWER AMP Board ...

Page 5: ...401 C403 Q401 Q402 Q403 RY400 BC401 CN804 CN805 IC530 BC803 Q532 R533 D531 R401 R406 G1 G2 JW801 JW802 JW807 JW809 JW810 JW811 JW813 JW814 JW816 JW817 JW818 JW819 JW820 JW821 JW822 JW823 JW824 JW825 JW826 JW828 JW829 JW830 JW832 JW833 C303 C304 JW808 C532 Q404 Q533 Q534 Q535 JW834 JW835 JW812 Q102 Q101 Q103 JW837 C402 JW827 R402 R403 Q301 Q302 Q531 C806 JW805 JW804 C805 R800 JW301 JW302 R541 1 1 P...

Page 6: ...R704 R709 R710 R711 C711 R715 R716 R717 C301 C302 C303 C304 C305 C306 C307 C308 R102 R103 R104 R105 R106 C101 C102 Q102 R540 R541 R542 C801 C802 Q103 R800 R714 C701 C702 R712 CN701 CN805 CN702 D305 D306 BC401 BC801 CN905 Q702 Q701 Q531 Q532 Q533 D805 Q105 Q402 Q401 SP401 RY400 RY901 T202 T102 CN1 IC701 R701 R706 Q301 Q302 Q104 Q404 BC901 CN804 BC802 CN904 CN102 BC903 BC803 C709 IC530 2 2 IC530 1 2...

Page 7: ... R619 R620 R622 R621 C617 C614 C608 C606 C618 C603 C602 R603 R614 R609 R611 R616 R605 JW600 JW601 JW602 JW604 JW607 JW608 JW610 RV601 RV602 JW609 JW611 JW606 JW603 JW612 R601 R602 IC604 C619 JW605 JW613 JW614 JW615 JW616 JW670 1 3 PRINTED WIRING BOARD CONTROL SECTION See page 3 for Circuit Boards Location Uses unleaded solder Semiconductor Location Ref No Location IC601 C 8 IC602 C 2 IC603 C 4 IC6...

Page 8: ... C614 C613 C612 C609 C608 C607 C606 C605 C604 C601 J601 R601 R604 R620 C619 R617 R616 C615 C616 R614 C610 C611 R608 R609 R611 R615 R602 S601 BC602 S602 C602 IC601 1 2 IC601 2 2 IC602 1 2 IC602 2 2 IC603 1 2 IC603 2 2 IC604 2 2 IC604 1 2 C603 Q601 BC601 1 4 SCHEMATIC DIAGRAM CONTROL SECTION Page 6 Page 6 ...

Page 9: ...difference from the original one 1 A 1059 813 A GRILLE FRAME ASSY 2 4 254 104 01 FRONT PANEL 3 4 874 614 52 SCREW 1 3 5X20 TAPPING 2 1 FRONT PANEL SECTION The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified 1 2 3 3 1 1 1 not supplied LED board not supplied POWER SWITCH board not supplied SP401 not supplied SP401 1 825 844 1...

Page 10: ...V 0T102 1 443 276 11 TRANSFORMER POWER 1 7 685 646 79 SCREW BVTP 3X8 TYPE2 N S 2 7 685 881 09 SCREW BVTT 4X8 S 2 2 REAR COVER SECTION not supplied CONTROL board not supplied POWER AMP board not supplied POWER SUPPLY board not supplied not supplied not supplied not supplied not supplied not supplied 1 1 1 1 1 1 1 1 1 1 1 2 2 T102 F901 A A 51 52 53 53 53 53 54 55 56 53 supplied with RV601 602 The co...

Page 11: ...on Remark 2 3 BOTTOM PANEL SECTION SP402 102 101 103 104 104 104 104 104 104 105 103 105 101 A 4714 303 A SPEAKER CABINET ASSY 102 4 254 106 01 BOTTOM PANEL 103 4 254 732 01 STAND 104 4 874 614 52 SCREW 1 3 5X20 TAPPING 105 4 254 114 01 FOOT SP402 1 825 844 11 SPEAKER 15cm WOOFER ...

Page 12: ...V C616 1 131 688 31 FILM 0 047uF 5 50V C617 1 126 965 11 ELECT 22uF 20 50V C618 1 126 963 11 ELECT 4 7uF 20 50V C619 1 126 965 11 ELECT 22uF 20 50V IC IC601 8 759 943 94 IC BA15218 IC602 8 759 943 94 IC BA15218 IC603 8 759 943 94 IC BA15218 IC604 8 759 943 94 IC BA15218 JACK J601 1 815 025 11 JACK PIN 1P INPUT TRANSISTOR Q601 8 729 119 78 TRANSISTOR 2SC2785 HFE RESISTOR R601 1 247 831 11 CARBON 1K...

Page 13: ...STOR DTA124ESA Q104 8 729 119 76 TRANSISTOR 2SA1175 HFE Q105 8 729 119 78 TRANSISTOR 2SC2785 HFE Q301 8 729 281 53 TRANSISTOR 2SC1815 GR Q302 8 729 201 53 TRANSISTOR 2SA1015 GR Q401 8 729 119 78 TRANSISTOR 2SC2785 HFE Q402 8 729 178 42 TRANSISTOR 2SC2784 F Q403 8 729 119 78 TRANSISTOR 2SC2785 HFE Q404 8 729 029 86 TRANSISTOR DTC124ESA Q531 8 729 029 86 TRANSISTOR DTC124ESA Q532 8 729 119 76 TRANSI...

Page 14: ...RBON 56K 5 1 4W R709 1 247 863 11 CARBON 22K 5 1 4W R710 1 247 831 11 CARBON 1K 5 1 4W R711 1 247 847 11 CARBON 4 7K 5 1 4W 0R712 1 202 972 61 FUSIBLE 1 5 1 4W F R713 1 216 357 00 METAL OXIDE 4 7 5 1W F R714 1 249 399 11 CARBON 33 5 1 4W R715 1 247 847 11 CARBON 4 7K 5 1 4W R716 1 247 850 11 CARBON 6 2K 5 1 4W R717 1 249 429 11 CARBON 10K 5 1 4W POWER SUPPLY BOARD 1 533 217 41 HOLDER FUSE CONNECTO...

Page 15: ...15 SA WMS356 WMS556 MEMO ...

Page 16: ... 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 1 0 2004 05 New ...

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