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SERVICE MANUAL

Sony Corporation

Published by Sony Techno Create Corporation

SA-WCT180

ACTIVE SUBWOOFER

9-896-126-02

2015E33-1

© 

2015.05

US Model

Canadian Model

AEP Model

UK Model

E Model

Australian Model

Chinese Model

Ver. 1.1  2015.05

•  SA-WCT180 is the active subwoofer in HT-CT180.
•  All of the units included in the HT-CT180 (SA-WCT180/

SA-CT180/Remote control) are required to con

fi

 rming op-

eration of SA-WCT180. Check in advance that you have 
all of the units.

•  For the TEST MODE for this unit, refer to the service manual of HT-CT180.

SPECIFICATIONS

POWER OUTPUT (reference)

5
45 W (per channel at 4 ohms, 100 Hz) (Chinese model)

0 W (per channel at 4 ohms, 100 Hz) (Except Chinese model)

Speaker system

Subwoofer system, Bass reflex

Speaker

130 mm (5

1

/

8

in) cone type

Power requirements

120 V AC, 60 Hz (US and Canadian models)

Power consumption

On: 13 W
Standby mode: 0.5 W or less

Dimensions (approx.) (w/h/d)

170 mm × 342 mm × 325 mm
(6

3

/

4

in × 13

1

/

2

in × 12

7

/

8

in)

Mass (approx.)

5.5 kg  (12 Ib  2 oz)

Frequency band

2.4 GHz band (2.404 GHz - 2.476 GHz)

Modulation method

GFSK

Design and specifications are subject to 
change without notice.

Wireless receiver

220 V - 240 V AC, 50 Hz/60 Hz (AEP, UK, Indian, Singapore, 
Argentina, Thai, Australian and Chinese models)

110 V - 240 V AC, 50 Hz/60 Hz (Latin American model 
(Except Argentina))

Note:

Be sure to keep your PC used for service and 
checking of this unit always updated with the 
latest version of your anti-virus software.
In case a virus affected unit was found during 
service, contact your Service Headquarters. 

Summary of Contents for SA-WCT180

Page 1: ...ept Chinese model Speaker system Subwoofer system Bass reflex Speaker 130 mm 5 1 8 in cone type Power requirements 120 V AC 60 Hz US and Canadian models Power consumption On 13 W Standby mode 0 5 W or less Dimensions approx w h d 170 mm 342 mm 325 mm 6 3 4 in 13 1 2 in 12 7 8 in Mass approx 5 5 kg 12 Ib 2 oz Frequency band 2 4 GHz band 2 404 GHz 2 476 GHz Modulation method GFSK Design and specific...

Page 2: ...F AC voltmeter 0 75 V To Exposed Metal Parts on Set Earth Ground Fig A Using an AC voltmeter to check AC leakage The BLUETOOTH word mark and logos are registered trademarks owned by Bluetooth SIG Inc and any use of such marks by Sony Corporation is under license The N Mark is a trademark or registered trademark of NFC Forum Inc in the United States and in other countries Android is a trademark of ...

Page 3: ...he units included in the HT CT180 SA WCT180 SA CT180 Remote control are required to confirming operation of SA WCT180 Check in advance that you have all of the units DESTINATION ABBREVIATIONS The following abbreviations for model destinations are used in this service manual Abbreviations AR Argentina model AUS Australian model CH Chinese model CND Canadian model E12 Indian model LA Latin American ...

Page 4: ...mber label of a main unit Rear view MODEL NUMBER LABEL Chinese model CN4 Thai model TH1 US and Canadian models UC2 UK model CEK AEP model CEL Australian model AU1 4 562 813 0 4 562 812 0 4 562 809 0 4 562 817 0 4 575 767 0 4 569 254 0 4 562 811 0 4 562 816 0 4 562 822 0 4 562 819 0 Argentina model AR2 Singapore model SP1 Indian model E12 Latin American model LA9 Except Argentina Ver 1 1 ...

Page 5: ...connected Before you return repaired unit to customers please link the SA CT180 and SA WCT180 by the following procedure If in a state in which only one of SA CT180 or SA WCT180 is brought into service field and replaced the WIRELESS board of SA CT180 or SA WCT180 when returning the repaired unit be sure to inform the customers that it is necessary to link the follow ing procedure Enabling the Sec...

Page 6: ... use the following jig for speaker removal Part No Description J 2501 238 A JIG FOR SPEAKER REMOVAL Rear view 1 four screws 3 5 u 14 B 2 Remove the AMP block in the direction of the arrow 4 LED board cable connector XS5 3 speaker cable connector XP8 5 AMP block 1 four screws 3 5 u 14 B Insert only part way Insert straight into the interior connector Insert at a slant connector connector connector ...

Page 7: ...ws 3 u 6 B Insert only part way Insert straight into the interior connector Insert at a slant connector connector connector connector connector OK NG NG ow to inVtDll tKe connector Insert the connector straight into the interior There is a possibility that using this unit without the connector correctly installed will damage it 5 MAIN board ...

Page 8: ...1 connector CN502 Insert only part way Insert straight into the interior connector Insert at a slant connector connector connector connector connector OK NG NG RZ WR LQVWDOO WKH FRQQHFWRU Insert the connector straight into the interior There is a possibility that using this unit without the connector correctly installed will damage it ...

Page 9: ...d bush 3 Draw the AC cord block out of the hole in AMP block 6 AC cord AC1 4 claw 1 connector CN501 03 EORFN IURQW YLHZ cord bush hole QVWDOODWLRQ GLUHFWLRQ IRU WKH FRUG EORFN claw cord bush Note 1 When installing the cord bush to the AC cord AC1 check the directions of the white line of the AC cord AC1 and the claw of the cord bush and install correctly Note 3 Make sure that the white line is at ...

Page 10: ...nd and use a new bond to fix the front panel block Note 1 Please spread a sheet under a unit not to injure cabinet 4 Remove the front panel block in the direction of the arrow 5 LED board connector XS6 Bottom view 3 While moving the jig in the direction of the arrow remove all bosses and the front panel block 2 Insert the jig into the space and slowly remove the front panel block Note 2 When using...

Page 11: ...nal OK How to install the speaker terminal Insert the speaker terminal straight into the interior There is a possibility that using this unit without the speaker terminal correctly installed will damage it Insert straight into the interior speaker cord speaker terminal NG nsert only part way 1 four screws 3 5 u 14 B RZ WR LQVWDOO WKH ORXGVSHDNHU FP 63 2 8 GRILLE SW ASSY Front panel block rear view...

Page 12: ...DATA0 MCLKǃBCLKǃLRCLK IA2S4M Power Derating NA Power Derating Circuit NA IIC Audio Processor STA369BWS Wireless Module FL 50W 4R 30 PBTL Power Pair LED 2 Mute AMP_FAULT LDO TJ4203 For STA369BWS ǃLED 2 3 3V power signal POWER DC DC EUP3482A 5V Wireless 18V POWER SUPPLY RU 67 6 Module IA2S4M 18V ...

Page 13: ...hich enables seeing The other layers patterns are not indicated MAIN board WIRELESS board KEY board POWER board LED board Caution Pattern face side Conductor Side Parts face side Component Side Parts on the pattern face side seen from the pattern face are indicated Parts on the parts face side seen from the parts face are indicated Note The components identi fied by mark 0 or dotted line with mark...

Page 14: ...3 R106 33 R110 33 R110 33 FB8 500 200mA FB8 500 200mA R22 10K R22 10K C229 100pF 50V NP0 C229 100pF 50V NP0 R86 33 R86 33 R103 560 R103 560 R23 10K R23 10K R107 33 R107 33 R111 33 R111 33 XS5 3PIN 2 0mm XS5 3PIN 2 0mm C97 NC 15PF C97 NC 15PF C241 100pF 50V NP0 C241 100pF 50V NP0 R105 33 R105 33 R108 33 R108 33 R96 33 R96 33 Q10 NPN_3DG3904M Q10 NPN_3DG3904M XS6 3PIN 2 0mm XS6 3PIN 2 0mm R24 NC 10K...

Page 15: ... 100nF Q547 NC PNP_MMBT8550C Q547 NC PNP_MMBT8550C C3 0 1uF C3 0 1uF R26 NC 0 R26 NC 0 R170 47K 1 R170 47K 1 C18 NC 100nF C18 NC 100nF R1 56 R1 56 C4 330pF C4 330pF C1 NC 100nF C1 NC 100nF R193 NC 10K R193 NC 10K C152 NC 330pF C152 NC 330pF R5 47K R5 47K C77 100nF C77 100nF R6 22K R6 22K R11 7 5K R11 7 5K R102 NC 56 R102 NC 56 R13 NC 4 7K R13 NC 4 7K C76 100nF C76 100nF R192 NC 30K R192 NC 30K D54...

Page 16: ...50V X7R C160 NC 1uF 50V X7R R49 33 R49 33 XP8 2PIN 7 92mm XP8 2PIN 7 92mm C66 1000pF 50V X7R C66 1000pF 50V X7R R487 10K R487 10K R55 22 5 R55 22 5 C16 NC 2 2uF C16 NC 2 2uF R65 NC 0 R65 NC 0 R184 NC 4 7K R184 NC 4 7K FB16 70 3A FB16 70 3A R486 4 7K R486 4 7K U6 STA369BWS U6 R59 2 2K R59 2 2K R488 10K R488 10K NC 100uF 16V CE19 NC 100uF 16V CE19 Q24 NPN_3DG3904M Q24 NPN_3DG3904M R63 0 R63 0 R782 1...

Page 17: ... PRINTED WIRING BOARD KEY Board KEY BOARD COMPONENT SIDE KEY BOARD CONDUCTOR SIDE A B 1 2 3 4 Uses unleaded solder See page 13 for Circuit Boards Location 3 7 SCHEMATIC DIAGRAM KEY Board A 3 2 B 1 KEY BOARD ES1 A 46 FH010T 04IF B 46 FH006T 04HP ES2 46 FH008T 03P 1 2 3 XP5 3PIN 2 0mm XP5 3PIN 2 0mm C17 NC 0 1uF C17 NC 0 1uF C19 NC 0 1uF C19 NC 0 1uF SW1 POWER SW1 POWER SW2 LINK SW2 LINK D D 1 2 3 ...

Page 18: ...D CONDUCTOR SIDE A 1 2 3 Uses unleaded solder See page 13 for Circuit Boards Location 3 9 SCHEMATIC DIAGRAM LED Board PIN 1 GREEN PIN 3 RED ES1 46 FF034T 04H change to 3PIN 1 2 3 1 2 3 XS6 3PIN 2 0mm XS6 3PIN 2 0mm LED1 LED_3P_2PARTA LED1 LED_3P_2PARTA C3 NC 0 1uF C3 NC 0 1uF C16 NC 0 1uF C16 NC 0 1uF LED_LINK LED_POWER D D 1 2 3 A 2 B 1 LED BOARD Uses unleaded solder See page 13 for Circuit Board...

Page 19: ...02B 1M R502B 1M LIF502 NC LIF4 22 15 LIF502 NC LIF4 22 15 TR501 NTC 3ohm 5A TR501 NTC 3ohm 5A ZD534 NC BZX79C24 ZD534 NC BZX79C24 R540 0 R540 0 R557 20k R557 20k CY502 470pF 250VAC CY502 470pF 250VAC C536 100pF 1KV C536 100pF 1KV R544 75 R544 75 CY501 470pF 250VAC CY501 470pF 250VAC NC MUR420 4A 200V NC MUR420 4A 200V C533 2200pF 1KV C533 2200pF 1KV CN503 6PIN 2 5mm 120mm CN503 6PIN 2 5mm 120mm FB...

Page 20: ...ly terminal 9 OUT2A O Audio signal subwoofer output terminal 10 OUT1B O Audio signal subwoofer output terminal 11 VCC1 Power supply terminal 12 GND1 Ground terminal 13 OUT1A O Audio signal subwoofer output terminal 14 GND_REG Internal reference ground terminal 15 VDD I Internal reference voltage 3 3V input terminal 16 CONFIG I Parallel mode command signal input terminal Fixed at H in this unit 17 ...

Page 21: ...MAIN W L Including Cushion Ref No Part No Description Remark Ref No Part No Description Remark Note XX and X mean standardized parts so they may have some difference from the original one Items marked are not stocked since they are seldom required for routine ser vice Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the exploded views are ...

Page 22: ...X8 B 53 9 885 199 19 LED BOARD COMPLETE 54 4 565 997 01 SCREW 3 5X14 B 55 4 564 836 01 FOOT SET 4 pieces 1 set SP1 9 885 199 92 LOUDSPEAKER 13 cm Including Cushion Subwoofer Ref No Part No Description Remark Ref No Part No Description Remark 51 52 52 52 52 52 53 54 55 54 54 54 52 52 not supplied SP1 not supplied ...

Page 23: ...MEMO SA WCT180 23 ...

Page 24: ...SA WCT180 REVISION HISTORY Ver Date Description of Revision 1 0 2015 02 New 1 1 2015 05 Addition of Chinese Singapore Argentina Thai Indian and Latin American models ...

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