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Sony SA-WCT180 Service Manual
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Sony SA-WCT180 Service Manual

Sony SA-WCT180 Service Manual

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SERVICE MANUAL
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 confi rming op-
eration of SA-WCT180. Check in advance that you have
all of the units.
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.
• For the TEST MODE for this unit, refer to the service manual of HT-CT180.
9-896-126-02
Sony Corporation
2015E33-1
©
2015.05
Published by Sony Techno Create Corporation
SA-WCT180
SPECIFICATIONS
POWER OUTPUT (reference)
5
0 W (per channel at 4 ohms, 100 Hz) (Except Chinese model)
45 W (per channel at 4 ohms, 100 Hz) (Chinese model)
Speaker system
Subwoofer system, Bass reflex
Speaker
1
130 mm (5
/
in) cone type
8
Power requirements
110 V - 240 V AC, 50 Hz/60 Hz (Latin American model
(Except Argentina))
120 V AC, 60 Hz (US and Canadian models)
220 V - 240 V AC, 50 Hz/60 Hz (AEP, UK, Indian, Singapore,
Argentina, Thai, Australian and Chinese models)
Power consumption
On: 13 W
Standby mode: 0.5 W or less
Dimensions (approx.) (w/h/d)
170 mm × 342 mm × 325 mm
3
1
7
(6
/
in × 13
/
in × 12
/
in)
4
2
8
Mass (approx.)
5.5 kg (12 Ib 2 oz)
Wireless receiver
Frequency band
2.4 GHz band (2.404 GHz - 2.476 GHz)
Modulation method
GFSK
Design and specifications are subject to
change without notice.
US Model
Canadian Model
AEP Model
UK Model
E Model
Australian Model
Chinese Model
ACTIVE SUBWOOFER

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  • Page 1 UK Model E Model • SA-WCT180 is the active subwoofer in HT-CT180. • All of the units included in the HT-CT180 (SA-WCT180/ Australian Model SA-CT180/Remote control) are required to confi rming op- eration of SA-WCT180. Check in advance that you have Chinese Model all of the units.
  • Page 2 LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONC- TIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DON- NÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

  • Page 3: Table Of Contents

    All of the units included in the HT-CT180 (SA-WCT180/SA- CT180/Remote control) are required to confi rming 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.
  • Page 4 SA-WCT180 Ver. 1.1 MODEL IDENTIFICATION Distinguish by Part No. on the rear plate of a main unit. Note: The printed contents of following fi gure model number label may be different from the model number label of a main unit.
  • Page 5 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 fi eld, and replaced the WIRELESS board of...

  • Page 6: Disassembly

    SA-WCT180 SECTION 2 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW 2-2. AMP BLOCK 2-6. FRONT PANEL BLOCK (Page 6) (Page 10) 2-3. MAIN BOARD 2-7. LOUDSPEAKER (13 cm) (SP1) 2-8. GRILLE (SW) ASSY...

  • Page 7: Main Board

    SA-WCT180 2-3. MAIN BOARD 2 connector (XS6) 3 connector (CN502) 4 two screws 6 B) 1 connector (XP3) ow to in t ll t e connector Insert the connector straight into the interior. There is a possibility that using this unit without the connector correctly installed will damage it.

  • Page 8: Power Board

    SA-WCT180 2-4. POWER BOARD Insert the connector straight into the interior. There is a possibility that using this unit without the connector correctly installed will damage it. Insert straight into the interior. connector 1 connector (CN502) 3 two screws connector...

  • Page 9: Ac Cord (Ac1)

    SA-WCT180 2-5. AC CORD (AC1) 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. 125 ± 5 mm...

  • Page 10: Front Panel Block

    SA-WCT180 2-6. FRONT PANEL BLOCK 2 Insert the jig into the space and slowly remove the front panel block. Note 2: When using a jig, please work 1 Insert a flat-head screwdriver in carefully so as not to damage two slits of bottom of the unit, and the front panel block and speaker lift the front panel block a little.

  • Page 11: Loudspeaker (13 Cm) (Sp1)

    SA-WCT180 2-7. LOUDSPEAKER (13 cm) (SP1) 2-8. GRILLE (SW) ASSY 3 grille (SW) assy Note: When installing the loudspeaker (13 cm) (SP1), make sure that there is a position of the speaker total twelve bosses terminal to the position shown in the figure 4 loudspeaker (13 cm) below.

  • Page 12: Diagrams

    SA-WCT180 SECTION 3 DIAGRAMS 3-1. BLOCK DIAGRAM Pair Power KEY *1 KEY *1 Power Derating(NA) Power Derating IA2S4M Circuit(NA) MCLK BCLK LRCLK DATA0 Audio Audio PBTL Power/Pair Processor Wireless Module LED *2 STA369BWS FL 50W(4R) 30% Mute AMP_FAULT 3.3V TJ4203...
  • Page 13 SA-WCT180 THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. • Circuit Boards Location (In addition to this, the necessary note is printed in each block.) WIRELESS board For Printed Wiring Boards. For Schematic Diagrams. MAIN board Note: Note: •...

  • Page 14: Schematic Diagram - Main Board (1/3)

    SA-WCT180 3-2. SCHEMATIC DIAGRAM - MAIN Board (1/3) - MAIN BOARD (1/3) POWER_LED LINK_LED 3PIN/2.0mm 3PIN/2.0mm STB_3V3 1.5V STB_5V 2.NC 3.NC 4.GND 500/200mA 500/200mA POWER_KEY 5.GPIO 33 6.GPIO 26 LINK KEY R111 R111 POWER_LED_CON R110 R110 7.GPIO 17 LINK_LED_CON R104 R104 3PIN/2.0mm...

  • Page 15: Schematic Diagram - Main Board (2/3)

    SA-WCT180 3-3. SCHEMATIC DIAGRAM - MAIN Board (2/3) - • See page 20 for IC Block Diagrams. MAIN BOARD (2/3) POWER_18V PVDD POWER_18V 6PIN/2.5mm/40mm 6PIN/2.5mm/40mm POWER_18V FB19 FB19 300/2A 300/2A STB_5V CE20 CE20 NC/0 NC/0 Q547 Q547 NC/PNP_MMBT8550C NC/PNP_MMBT8550C SYS_5V...

  • Page 16: Schematic Diagram - Main Board (3/3)

    SA-WCT180 3-4. SCHEMATIC DIAGRAM - MAIN Board (3/3) - • See page 20 for IC Pin Function Description. MAIN BOARD (3/3) +3.3VD1 SYS_3V3 +3.3VD1 +3.3VD2 FB32 FB32 500/200mA 500/200mA C207 C207 AMP_18V 4.7K 4.7K +3.3VD1 R88 4.7K R88 4.7K 0.1uF 0.1uF...

  • Page 17: Printed Wiring Board - Main Board

    SA-WCT180 3-5. PRINTED WIRING BOARD - MAIN Board - 3-6. PRINTED WIRING BOARD - KEY Board - • See page 13 for Circuit Boards Location. • : Uses unleaded solder. • See page 13 for Circuit Boards Location. • : Uses unleaded solder.

  • Page 18: Printed Wiring Board - Led Board

    SA-WCT180 3-8. PRINTED WIRING BOARD - LED Board - 3-10. PRINTED WIRING BOARD - POWER Board - • See page 13 for Circuit Boards Location. • : Uses unleaded solder. • See page 13 for Circuit Boards Location. • : Uses unleaded solder.

  • Page 19: 3-11. Schematic Diagram - Power Board

    SA-WCT180 3-11. SCHEMATIC DIAGRAM - POWER Board - • See page 20 for IC Block Diagrams. POWER BOARD TR501 TR501 FB502 FB502 FB90@100MHz FB90@100MHz T5311-1 T5311-1 EF25 EF25 CY503 CY503 R502A R502A R502C R502C LIF4-22-15 LIF4-22-15 NC/LIF4-22-15 NC/LIF4-22-15 NTC/3ohm/5A NTC/3ohm/5A...
  • Page 20 SA-WCT180 • IC Block Diagrams • IC Pin Function Description – MAIN Board – MAIN BOARD U6 STA369BWS (DIGITAL AMP) U2 EUP3482ADIR1 Pin No. Pin Name Description GND_SUB Ground terminal I2C select address signal input terminal Fixed at “H” in this unit TEST_MODE Fixed at “L”...

  • Page 21: Exploded Views

    SA-WCT180 Ver. 1.1 SECTION 4 EXPLODED VIEWS Note: • -XX and -X mean standardized parts, so • The mechanical parts with no reference The components identifi ed by mark 0 they may have some difference from the number in the exploded views are not sup- or dotted line with mark 0 are critical for original one.

  • Page 22: Front Section

    SA-WCT180 4-2. FRONT SECTION not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2590-954-1 GRILLE (SW) ASSY (Including Light guide lens) 4-564-836-01 FOOT SET (4 pieces, 1 set) 4-565-992-01 SCREW (3X8 B) 9-885-199-19...
  • Page 23 SA-WCT180 MEMO...
  • Page 24 SA-WCT180 REVISION HISTORY Ver. Date Description of Revision 2015.02 2015.05 Addition of Chinese, Singapore, Argentina, Thai, Indian and Latin American models...

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