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SERVICE MANUAL

Sony Corporation

Home Audio Company
Published by Sony Engineering Corporation

US Model

Canadian Model

AEP Model

UK Model

E Model

Australian Model

ACTIVE SUBWOOFER

9-877-667-02

2004G16-1
© 2004.07

Ver 1.1  2004.07

SPECIFICATIONS

SA-WMSP76

• SA-WMSP76 is the sub woofer section in

HT-DDW755/760 and HT-4800DP.

Speaker system

Active subwoofer,
magnetically shielded

Speaker unit

200 mm cone type

Enclosure type

Acoustically loaded bass
reflex

RMS output:

100 W (6 ohms, 100 Hz,
THD 10%)

Input

LINE IN (input pin jacks)

Power requirements

Area code

Power requirements

US, CA

120 V AC, 60 Hz

CEL, CEK, MY, SP, AU

230 V AC, 50/60 Hz

Power consumption

75 W

Dimensions (w/h/d) (Approx.)

270 

×

 325 

×

 398 mm

(10 3/4 

×

 12 7/8 

×

 15 3/4

inches) including front
panel

Mass (Approx.)

9.0 kg (19 lb 14oz)

• Abbreviation

AU

: Australian model

CA

: Canadian model

CEK : UK model
CEL : AEP model
MY : Malaysia model
SP

: Singapore model

Summary of Contents for SA-WMSP76

Page 1: ...e subwoofer magnetically shielded Speaker unit 200 mm cone type Enclosure type Acoustically loaded bass reflex RMS output 100 W 6 ohms 100 Hz THD 10 Input LINE IN input pin jacks Power requirements Area code Power requirements US CA 120 V AC 60 Hz CEL CEK MY SP AU 230 V AC 50 60 Hz Power consumption 75 W Dimensions w h d Approx 270 325 398 mm 10 3 4 12 7 8 15 3 4 inches including front panel Mass ...

Page 2: ...ith the lead free mark due to their particular size LEAD FREE MARK Unleaded solder has the following characteristics Unleaded solder melts at a temperature about 40 C higher than ordinary solder Ordinary 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...

Page 3: ...tics and tantalums 2 nonflammable resistor 5 fusible resistor All resistors are in Ω and 1 4 W or less unless otherwise speci fied C panel designation A B Line B B Line Voltages are dc with respect to ground under no signal condi tions no mark Power on Voltages are taken with a VOM Input impedance 10MΩ Voltage variations may be noted due to normal preduction tol erances Signal path F AUDIO Abbrevi...

Page 4: ...ge 5 Page 5 Page 5 1 2 A B C D E F G 3 4 5 6 7 8 1 686 985 US CND See page 3 for Circuit Board Location Uses unleaded solder D205 C 3 D206 C 3 D301 E 4 D302 E 4 D304 D 2 D401 F 2 D501 E 2 D502 E 4 D602 C 2 IC202 C 3 IC203 B 3 IC301 D 4 Q501 D 2 Q502 D 2 Q503 D 2 Q504 D 2 Q505 E 4 Ref No Location Semiconductor Location ...

Page 5: ...5 5 SA WMSP76 1 3 PRINTED WIRING BOARD POWER SECTION Uses unleaded solder See page 3 for Circuit Board Location AC IN 3 Page 4 Page 4 Page 4 1 2 A B C D E F 3 4 5 6 7 8 ...

Page 6: ...4 C304 R402 C405 C406 C404 C403 D501 C501 Q501 Q502 C502 C601 C503 Q504 Q503 F901 C2 CN3 D901 R308 CN402 3P CNP401 3P R601 CN204 C901 CN101 CN202 CN2 CN1 0 1 0 1 47k 100k 100k 22k 22k 680 1W 4 7k 4 7k 220p 47k 10p 47k 1 1 4W 10 4 7k 22k 4 7k 1k 220p 50V 470 2 2k 10k 100k 1k 10k 10k 100k 470k 220k 220p 22k 22k 220k 10 50V 220p 100k 10k 47k 10 50 10 50V 0 1 0 1 100k 10 50V 10 50V RD12ESB2 RD12ESB2 0...

Page 7: ...ption Remarks 1 4 243 842 21 GRILLE FRAME 2 4 998 417 02 EMBLEM NO 5 SONY 3 4 243 834 01 FRONT PANEL US CND 3 4 243 834 21 FRONT PANEL EXCEPT US CND 4 4 973 938 83 KNOB A PUSH 1 2 3 6 4 8 1 1 1 1 Amp section SP1 not supplied not supplied supplied with RV801 not supplied Les composants identifiés par une marque 0 sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro s...

Page 8: ...ks 51 A 4723 991 A SPEAKER CABINET ASSY US CND MY SP AUS 51 A 4723 998 A SPEAKER CABINET ASSY UK AEP 52 A 4731 189 A MAIN BOARD COMPLETE US CND 52 A 4753 485 A MAIN BOARD COMPLETE EXCEPT US CND 53 4 235 677 01 SCREW 4X20 TYPE1 BVTP 54 3 703 244 00 BUSHING 2104 CORD 55 3 905 609 31 SCREW TRANSISTOR 057 1 696 847 22 CORD POWER AUS 057 1 769 744 11 CORD POWER UK AEP MY SP 057 1 783 820 11 CORD POWER ...

Page 9: ...91 CARBON 100K 5 1 4W R202 1 247 831 91 CARBON 1K 5 1 4W A 4731 189 A MAIN BOARD COMPLETE US CND A 4753 485 A MAIN BOARD COMPLETE EXCEPT US CND CAPACITOR C203 1 136 165 00 FILM 0 1uF 5 50V C204 1 136 165 00 FILM 0 1uF 5 50V C205 1 126 964 11 ELECT 10uF 20 50V C206 1 126 964 11 ELECT 10uF 20 50V C207 1 131 679 31 FILM 0 01uF 5 50V C208 1 131 696 11 FILM 0 22uF 5 50V C209 1 128 809 11 CERAMIC 100PF ...

Page 10: ...CARBON 470 5 1 4W Ref No Part No Description Remarks Ref No Part No Description Remarks R304 1 215 886 11 METAL OXIDE 100 5 2W R305 1 247 871 91 CARBON 47K 5 1 4W R306 1 247 847 91 CARBON 4 7K 5 1 4W R307 1 247 847 91 CARBON 4 7K 5 1 4W 0R308 1 234 182 11 ENCAPSULATED COMPONENT R309 1 249 409 11 CARBON 220 5 1 4W R310 1 249 393 11 CARBON 10 5 1 4W R311 1 215 868 00 METAL OXIDE 680 5 1W R312 1 247 ...

Page 11: ...1 1 533 450 12 FUSE GLASS TUBE DIA 5 T2 5AL 125V US CND SP1 1 529 995 13 SPEAKER 20cm US CND SP1 1 825 004 13 SPEAKER 20cm EXCEPT US CND 0T1 1 439 627 11 TRANSFORMER POWER EXCEPT US CND 0T1 1 439 628 11 TRANSFORMER POWER US CND Ref No Part No Description Remarks SWITCH Les composants identifiés par une marque 0 sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro sp...

Page 12: ...ows 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 03 New 1 1 2004 07 Addition of HT 4800DP to 1 page note SPM 04067 ...

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