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Sony SA-WCT290, Service Manual

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Sony SA-WCT290 Service Manual Download Page 5

SA-WCT290/WCT291

5

2.  SWITCHING REGULATOR 3L411W board 

(Except US, CND, E12)

 – 

 

SWITCHING REGULATOR 3L411W board  
(Except US, CND, E12) (Component Side) –

 

*

The portion which applies bond: 

3.  SWITCHING REGULATOR 3L411W-1 board 

(E12)

 – 

 

SWITCHING REGULATOR 3L411W-1 board 
(E12) (Component Side) –

 

*

The portion which applies bond: 

jomi

Summary of Contents for SA-WCT290

Page 1: ...nd specifications are subject to change without notice Copyrights and Trademarks This system incorporates Dolby Digital Manufactured under license from Dolby Laboratories Dolby Dolby Audio and the double D symbol are trademarks of Dolby Laboratories 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 ...

Page 2: ...ig A 1 5 kΩ 0 15 μF AC voltmeter 0 75 V To Exposed Metal Parts on Set Earth Ground Fig A Using an AC voltmeter to check AC leakage SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN S...

Page 3: ...n the figure below Note 1 When the connector that connects the SWITCHING REGULATOR 3L411L board US CND or SWITCHING REGULATOR 3L411W board Except US CND E12 or SWITCHING REGULATOR 3L411W 1 board E12 to the SUB MAIN board is disconnected before discharging completely finish discharging both boards and then reconnect the connector If discharging is not complete sparking may occur when connecting the...

Page 4: ...sh two times then the MOVIE and MUSIC indicators flash alternately When the Bar Speaker is linked to the subwoofer the indicators stop flashing and the power indicator on the subwoofer lights up in orange If it failed the indicators light up for 5 seconds Try again the above operation To deactivate this function hold down CLEAR AUDIO for 5 seconds The USB indicator flashes twice You can specify the w...

Page 5: ...ard Except US CND E12 SWITCHING REGULATOR 3L411W board Except US CND E12 Component Side The portion which applies bond 3 SWITCHING REGULATOR 3L411W 1 board E12 SWITCHING REGULATOR 3L411W 1 board E12 Component Side The portion which applies bond j o m i ...

Page 6: ...SUB MAIN section 1 seven screws 1 3 5 u 14 TAPPING 3 CN8104 3P 4 CN8103 4P 1 seven screws 1 3 5 u 14 TAPPING Rear view SET 2 4 SWITCHING REGULATOR Page 8 2 5 SUB KEY BOARD BLUETOOTH MODULE Page 8 2 2 SUB MAIN SECTION Page 6 2 3 SUB MAIN BOARD Page 7 2 7 LOUDSPEAKER 130mm 203 11 Page 10 2 6 SUB LED BOARD FRONT PANEL ASSY Page 9 JIG When disassembling the unit use the following jig for speaker remov...

Page 7: ...read the compound referring to NOTE OF REPLACING THE IC8104 ON THE SUB MAIN BOARD AND THE COMPLETE SUB MAIN BOARD on servicing notes page 4 1 wire flat type 26 core CN8100 5 two screws BVTP 3 u 10 7 two screws BVTP 3 u 8 7 two screws BVTP 3 u 8 8 SUB MAIN board IC8104 2 3 SUB MAIN BOARD Note 1 When the complete SUB MAIN board is replaced refer to NOTES ON THE WIRELESS CONNECTION LINK AFTER REPAIRS...

Page 8: ...Y board 2 one screw BVTP 3 u 8 3 stopper wiring 2 one screw BVTP 3 u 8 2 three screws BVTP 3 u 8 4 SWITCHING REGULATOR 3L411W EXCEPT US CND E12 SWITCHING REGULATOR 3L411W 1 E12 SWITCHING REGULATOR 3L411L US CND 1 CN1 2P 2 4 SWITCHING REGULATOR 2 5 SUB KEY BOARD BLUETOOTH MODULE Note When the BLUETOOTH module is replaced refer to NOTES ON THE WIRELESS CONNECTION LINK AF TER REPAIRS ARE COMPLETE on ...

Page 9: ...ll bosses are removed while moving jig in the direction of the arrow and front panel section is removed 2 Insert the jig into a space and raise front panel section Note 2 When using a jig please work so as not to injure front panel section and cabinet 2 Insert the jig into a space and raise front panel section Note 2 When using a jig please work so as not to injure front panel section and cabinet ...

Page 10: ... arrow Bottom view loudspeaker 130mm 203 11 LUH VHWWLQJ QVWDOODWLRQ GLUHFWLRQ IRU WKH ORXGVSHDNHU 130mm 203 11 terminals position terminal wide side terminal narrow side 3 terminal narrow side 3 terminal wide side Note When installing the loudspeaker 130mm 203 11 make sure that there is a position of the speaker terminal to the position shown in the figure below j o m i ...

Page 11: ...24V short to GND only 18V Replace the IC8104 on the SUB MAIN board Yes Yes No Check and replace the speaker No Replace Bluetooth module No No No No Check IC8001 pin 1 is 12V Check CL8006 is D3 3V Yes Replace SUB MAIN board Replace IC8001 No Check unsw3 3V R8033 No Replace SUB MAIN board Yes Replace SWITCHING REGULATOR board Yes Yes Yes ON STANDBY lamp LED does not light up Power is not turned on T...

Page 12: ...putted SUB MAIN board IC8104 pin 39 IC8104 pin 40 IC8104 pin 35 Replace Bluetooth Module in sound bar Yes Replace IC8104 on SUB MAIN board Yes Yes No No The signal of the following is inputted SUB MAIN board IC8104 pin 5 IC8104 pin 6 Replace IC8103 on SUB MAIN board No No The sound is not outputted Check the contact between connector CN8103 on the SUB MAIN board and speaker cable Check the contact...

Page 13: ...UT_A INPUT_B RESET 35 39 40 5 6 4 16 17 L8102 L8103 SUBWOOFER SWITCHING REGULATOR 3L411W 1 E12 SWITCHING REGULATOR 3L411W EXCEPT US CND E12 SWITCHING REGULATOR 3L411L US CND 6LJQDO SDWK AUDIO ANALOG AUDIO DIGITAL 5 FK LV RPLWWHG GXH WR VDPH DV FK TO AMP PVDD_24V 24V SUB_24V AC IN VOLTAGE DETECT IC8102 OUT VDD S8200 S8201 POWER SWITCH Q8102 2 4 3 3V REG IC8000 12V REG IC8001 VIN SW 2 3 3 3V POWER C...

Page 14: ...m the side which enables seeing The other layers patterns are not indicated 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 Indication of transistor C B These are omitted E Q Abbreviation AUS Australian model CND Canadian model E3 240 V...

Page 15: ...3 R8164 JC8110 R8165 R8166 R8167 R8168 R8169 JC8115 JC8116 R8170 R8171 R8172 R8173 R8174 R8175 R8176 CL8003 CL8004 CL8006 R8181 R8182 R8189 R8190 R8191 R8192 JL8001 Q8000 E E A K Q8001 C8008 C8016 C8017 C8018 C8019 C8020 C8021 C8022 C8023 FB8105 FB8106 IC8000 IC8001 R8010 R8011 R8012 R8208 C8237 R8026 R8028 L8101 R8029 R8030 R8031 R8033 R8229 R8035 R8037 R8038 R8039 R8232 R8041 R8042 1 2 25 26 CN8...

Page 16: ... CL8153 CL8156 CL8157 CL8159 CL8168 CL8169 CL8170 CL8171 CL8172 CL8173 CL8174 CL8175 CL8176 CL8177 CL8178 CL8179 CL8001 SUB MAIN BOARD CONDUCTOR SIDE 11 11 1 981 464 4 3 PRINTED WIRING BOARD SUB MAIN Board Conductor Side Uses unleaded solder Note When the complete SUB MAIN board is replaced refer to NOTE OF REPLACING THE IC8104 ON THE SUB MAIN BOARD AND THE COMPLETE SUB MAIN BOARD and NOTES ON THE...

Page 17: ... 465 11 11 1 981 465 FOR SERVICE USE 4 4 PRINTED WIRING BOARD SUB KEY Board Uses unleaded solder 4 5 SCHEMATIC DIAGRAM SUB KEY Board 1 A B C D E F G H I J K 2 3 4 5 6 7 8 SUB KEY BOARD 0 1u C8201 0 1u C8200 CL8207 CL8208 CL8203 CL8205 CL8200 CL8201 CL8202 CL8204 CL8206 7P CN8201 3 3V 1 D_GND 2 UART_RX 3 PCONT 4 UART_TX 5 BT_BOOT 6 SDA 7 0 R8251 0 R8250 S8201 S8200 9P CN8200 1 KEY_POWER 2 KEY_PAIR ...

Page 18: ...6 7 8 CL8301 CL8300 CL8302 D8300 R8301 3 1 4 5 CN8300 R8300 SUB LED BOARD COMPONENT SIDE SUB LED BOARD CONDUCTOR SIDE SUB MAIN BOARD CN8104 Page 15 002P 12 12 1 980 504 12 12 1 980 504 1 A B C D E F G H I J K 2 3 4 5 6 7 8 SUB LED BOARD CL8301 CL8300 CL8302 3P CN8300 1 LED G 2 LED R 3 GND RED GRN CL 165HR HG5 D T D8300 100 R8301 470 R8300 SUB MAIN BOARD CN8104 j o m i ...

Page 19: ...alian model CND Canadian model E3 240 V AC area in E model E12 220 240 V AC area in E model EA Saudi Arabia model LA9 Latin American model RU Russian Model SP Singapore model TH Thai model 5 1 BACK PANEL SECTION Rear view 1 4 874 614 12 SCREW 1 3 5X14 TAPPING 2 2 682 469 11 FOOT SW 4 pieces 1 set Ref No Part No Description Remark Ref No Part No Description Remark 1 1 2 speaker cabinet section SUB ...

Page 20: ... WCT290 LA9 52 A 2180 393 A SUB MAIN BOARD COMPLETE for SERVICE for Black model WCT290 RU 52 A 2180 415 A SUB MAIN BOARD COMPLETE for SERVICE for Black model WCT290 EA 52 A 2180 421 A SUB MAIN BOARD COMPLETE for SERVICE for Black model WCT290 AUS 52 A 2180 427 A SUB MAIN BOARD COMPLETE for SERVICE for Black model WCT290 TH 52 A 2180 433 A SUB MAIN BOARD COMPLETE for SERVICE for Black model WCT290 ...

Page 21: ...ASSY CG SW B for Black model WCT290 101 X 2594 262 1 PANEL FRONT ASSY CG SW W for White model WCT290 WCT291 102 4 874 614 62 SCREW 1 3 5X16 TAPPING 103 1 859 203 11 LOUDSPEAKER 130MM 203 11 1 7 685 646 71 SCREW BVTP 3X8 TYPE2 IT 3 ns not supplied Ref No Part No Description Remark Ref No Part No Description Remark j o m i ...

Page 22: ...12 0 54 1 474 674 31 SWITCHING REGULATOR 3L411L US CND 55 1 493 097 41 BLUETOOTH MODULE 0 59 1 834 966 42 POWER SUPPLY CORD AEP RU E3 SP LA9 0 59 1 835 068 21 CORD POWER AUS 0 59 1 837 308 12 CORD POWER SUPPLY US CND 0 59 1 839 940 21 POWER SUPPLY CORD TH 0 59 1 839 999 22 POWER SUPPLY CORD UK EA3 EA 0 59 1 848 053 12 POWER SUPPLY CORD E12 103 1 859 203 11 LOUDSPEAKER 130MM 203 11 Ref No Part No D...

Page 23: ...MEMO SA WCT290 WCT291 23 j o m i ...

Page 24: ...NG BOARD or SCHEMATIC DIAGRAM is shown in a different page use the PDF file search function to find one e g If a contact point is shown as follow the procedure below Procedure 1 Press the F key while pressing the Ctrl key 2 Input 001Z in the search box and press the Enter key 3 The relevant part page where the contact point is shown appears Note If you still see the original page press the Enter k...

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