Sony HT-S20R Service Manual Download Page 33

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HT-S20R

HT-S20R

Sony CONFIDENTIAL

For Authorized Servicer

4-12. SCHEMATIC DIAGRAM - POWER Board (SA-WS20R) -

TVR900

TVR114D561

D900

IC901

IC-EL817C

ZD900

4.3V

C914

104P

R924

5K6

R914

C904

180UF 400V for EU

R913

10 ohm

IC902

AZ431

R925

2.2K

Q900

WML13N65EM FOR EU

F90

50V

D903

FS1M

D901

C912

104P

330K

R919

330K

C915

222 630V

L901

L-15MH

R927

BD900

GBU408

R923

R928

33K

R900

R04-1M

R902

R04-1M

R903

R04-1M

R901

R04-1M

C900

R926

R912

10K

R911

470R

R915

C909

560p-400V

C916

104

C934 102-500V

1000

U 35V

1000

35V

104P

C901

220

R940
R942

NTC900
SCK0504

R917

33K

R916

33K

CN900

R918

D904

20A200V

C913

104P

R907

L903

L-6UH

C911

C908

M562P

1000

U 35V

D902

C910

22U 50V

R904

100k

R941

0805

C937

100P 1KV

C938

C939

C918

0.22U-275V

ZD901

24V

220

R929

33K

C907

560p-400V

R908

R906

R905

18V

P90

-A

P90

-A

P90

-A

R909

R930

200K

R944

R945

100 ohm*5

100P 1KV

220p-400V

104P

L900

330K

R932

10R

AC100V~240V

COM

GND

OUT

VCC

R933

CN901
CN9P-25

C903

C905

ZD902

R943
NC

GT900
NC

904

IC900
GR8875R

T900

PQ3220

Q901

H901

heatsink

H900

heatsink

TP900

TP901

TP902

TP903

TP904

TP905

906

907

908

909

TP910

180UF 450V FOR INDIA

20A300V

FOR INDIA

WML 80R600S FOR INDIA

OUTPUT

PAC CIRCUIT

120R

for india

for EU

75 ohm

56R

5.1K

0.1U-275V

5.1K

56R

0.15ohm/3W

100 400v

100p 400v

C906

C917

C902

L-15MH

Bead

1N4148

22U 50V

OCP

BK22V

vcc

BK21.5V

vcc

BK21.5V

PAC

POWER BOARD

SYS SET

2021/02/10 22:25:21 (GMT+09:00)

Summary of Contents for HT-S20R

Page 1: ...not copy replicate reproduce alter translate transmit sell lease or distribute this information in whole or in part without the prior written permission of the author Notwithstanding foregoing it is permitted to copy and distribute this information to the Permitted users 5 Please notify immediately any leakage loss theft misappropriation or other misuse of this information by e mail to the followi...

Page 2: ...able 1 IND WALL MOUNT TEMPLATE 1 Except IND Startup Guide Operating Instructions SBC4 Transmission range A2DP 20 Hz 20 000 Hz Sampling frequency 32 kHz 44 1 kHz 48 kHz 1 The actual range will vary depending on factors such as obstacles between devices magnetic ﬁelds around a microwave oven static electricity cordless phone use reception sensitivity the operating system software applications etc 2 ...

Page 3: ...tion of such technology outside of this product is prohibited without a license from Microsoft or an authorized Microsoft subsidiary All other trademarks are trademarks of their respective owners 1 SERVICING NOTES 4 2 DISASSEMBLY 2 1 Disassembly Flow SA WS20R SS S20R 7 2 2 AMP Block SA WS20R 8 2 3 MAIN Board SA WS20R 9 2 4 POWER Board SA WS20R 10 2 5 BT Module SA WS20R 11 2 6 Front Panel Block 1 S...

Page 4: ...he electric shock prevention per form the discharge processing by connecting the resistor at both ends of the specified capacitor with referring to the figure below Note Be sure to discharge using a resistor of 800 or higher POWER Board Conductor Side 800 2 W for C904 800 2 W for C931 800 2 W for C933 ABOUT THE PROTECTION PROTECT appears in the front panel display of the subwoofer the sound is mut...

Page 5: ... AEP UK Type C Part No Destination code Production country Desti nation 5 011 762 01 E12 MADE IN CHINA IND 5 011 762 11 AF1 MADE IN CHINA AF 5 011 762 21 CEL MADE IN CHINA AEP 5 011 762 31 CEK MADE IN CHINA UK 5 011 762 51 SP1 MADE IN CHINA SP 5 011 762 61 LA9 HECHO EN CHINA LA 5 011 762 71 AR2 HECHO EN CHINA AR Type V Part No Destination code Production country Desti nation 5 020 403 01 E12 MADE ...

Page 6: ...h device 7 When check is completed disconnect the Bluetooth connection 8 Refer to RESET METHOD on page 4 to delete the pairing history of the subwoofer REPAIRING OF SURROUND SPEAKER SS SS20R It cannot be repaired by disassembling the surround speaker SS SS20R If there is defective in the surround speaker SS SS20R replace with a finished product However foot that is pasted on the bottom side can be...

Page 7: ...ER WOOD BOX ASSY Page 16 2 10 SPK UNIT SUBWOOFER WOOD BOX ASSY Page 16 SS S20R BAR SPEAKER 2 11 SPEAKER BLOCK 1 Page 17 2 12 SPEAKER BLOCK 2 Page 18 2 16 SPK UNIT BAR SPEAKER Page 20 2 13 GRILLE ASSY_L LEFT SIDE Page 19 2 14 GRILLE ASSY_C CENTER Page 19 2 15 GRILLE ASSY_R RIGHT SIDE Page 20 2 17 RUBBER FOOT CUSHION FOOT REAR PANEL BLOCK Page 21 2 2 AMP BLOCK Page 8 2 6 FRONT PANEL BLOCK 1 Page 12 ...

Page 8: ...pen the AMP block in the direction of the arrow hole hole boss boss 7 AMP block Note 2 When installing the AMP block align the two bosses and two holes bottom side rear side top side Rear view top side v v v v 1 seven tapping screws 3 5 u 20 1 seven tapping screws 3 5 u 20 Note 1 When removing the AMP block removing the four VFUHZV DW WKH Ÿ PDUN VFUHZV EHORZ LV QRW QHFHVVDU 3 Draw the connector wh...

Page 9: ...P3 u 10 6 POWER board cable connector CN100 boss boss hole hole 8 four screws BVTP3 u 8 Note 2 When the MAIN board is replaced with a new part spread the compound for heat radiation to the touching portion between the IC501 IC502 IC503 on the MAIN board and the heatsink FDEOH DVV VHWWLQJ 32 5 ERDUG FDEOH VHWWLQJ IC501 IC503 IC502 0 MAIN board See Note 2 Note 3 When the MAIN board is replaced refer...

Page 10: ...oss hole boss 1 two screws BTP3 u 10 1 three screws BTP3 u 10 1 two screws BTP3 u 10 3 POWER board block Note When installing the POWER board block align the two holes and two bosses 4 POWER board cable connector CN901 5 POWER board 2 Peel the POWER board block off of the cushion cushion SYS SET 2021 02 10 22 25 21 GMT 09 00 ...

Page 11: ...See Note 1 Note 2 When installing the BT module align the hole and boss QVWDOODWLRQ GLUHFWLRQ IRU WKH JURXQG ZLUH WHUPLQDO ground wire terminal terminal direction BT module top side URQW YLHZ OK NG QVWDOODWLRQ GLUHFWLRQ IRU WKH FDEOH DVV OK NG The opposite side is terminal side terminal side Note 1 When the BT module is replaced refer to BLUETOOTH CONNECTION METHOD on page 6 Caulking is upward Cau...

Page 12: ... jig in the direction of the arrow remove four bosses 2 Insert the jig into the space and slowly remove the front panel block Note 2 When using a jig please work carefully so as not to damage the front panel block and speaker cabinet front panel block 5 While moving the jig in the direction of the arrow remove four bosses 4 Insert the jig into the space and slowly remove the front panel block Note...

Page 13: ... soft cloth etc so as not to damage front panel block 1 Open the front panel block in the direction of the arrow 2 MAIN board cable connector CN302 4 MAIN board cable connector CN1001 total eight bosses speaker cabinet total eight holes DEOH VHWWLQJ bottom side DISPLAY board connector CN1001 boss MAIN board cable 6 pin boss MAIN board cable 15 pin speaker cabinet front panel block USB board connec...

Page 14: ... the two holes and two bosses hook 3 Draw the DISPLAY board cable out of the hook claw connector CN1004 5 DISPLAY board cable connector CN401 6 two screws PTP2 5 u 6 7 DISPLAY board block Note 3 When installing the DISPLAY board block align the two holes and two bosses hook 63 ERDUG FDEOH VHWWLQJ DISPLAY board cable DISPLAY board connector CN401 top side TOUCH KEY board claw connector CN401 4 Draw...

Page 15: ...nward lay a soft cloth etc so as not to damage front side top side bottom side 1 Peel the TOUCH KEY board block off of the front panel assy 4 double tape 3 front panel assy 2 TOUCH KEY board block 5 TOUCH KEY board double tape Gap front panel assy TOUCH KEY board block Inner view top side NG Note about installing the TOUCH KEY board block Slant SYS SET 2021 02 10 22 25 21 GMT 09 00 ...

Page 16: ...other than the bottom side facing downward lay a soft cloth etc so as not to damage 6 duct packing 5 EVA cushion See Fig B 7 wood box assy Fig B 5 EVA cushion See Fig B 5 EVA cushion See Fig B front side guide line end point 1 Press Attach in order from 1 to 2 2 Bend How to attach the EVA cushion 5 EVA cushion See Fig B Speaker connection cable setting Note 2 When connecting the speaker connection...

Page 17: ...oft cloth etc so as not to damage Left side left side right side speaker block center speaker block left side left side right side left side right side v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v v Note 3 When removing the speaker block left side removing the twelve screws DW WKH Ÿ PDUN VFUHZV EHORZ LV QRW QHFHVVDU Right side Note 5 When removing the speaker block right s...

Page 18: ...e This explanation uses illustrations from the left side left side 4 speaker block left side 1 Insert a flat head screwdriver into the gap of rear panel and grille and push out the grille in the direction of the arrow Note 3 When using a jig please work carefully so as not to damage the rear panel grille rear panel left side 2 Lift up the speaker block left side in the direction of the arrow 63 FD...

Page 19: ...TP3 u 8 1 three screws BTP3 u 8 speaker block left side 2 claw 2 claw 2 claw 2 claw 2 claw 2 claw 3 4 grille assy_L left side 2 14 GRILLE ASSY_C CENTER SS S20R 1 four screws BTP3 u 8 1 four screws BTP3 u 8 1 screw BTP3 u 8 1 screw BTP3 u 8 speaker block center 3 4 grille assy_C center 2 claw 2 claw 2 claw 2 claw SYS SET 2021 02 10 22 25 21 GMT 09 00 ...

Page 20: ...aw 2 claw 2 claw 2 16 SPK UNIT BAR SPEAKER SS S20R Note 1 The left side center and right side of SPK unit can be removed using the same procedure This explanation uses illustrations from the left side 1 two screws BTP3 u 8 1 two screws BTP3 u 8 boss boss hole hole left cabinet block 2 3 SPK unit bar speaker Note 2 When installing the SPK unit align the two holes and two bosses SYS SET 2021 02 10 2...

Page 21: ...de top side right side bottom side 1 model number label 4 rear panel block 3 cushion foot 3 cushion foot 2 rubber foot rear side soft cloth etc Note When working with the side other than the bottom side facing downward lay a soft cloth etc so as not to damage 3 cushion foot 3 cushion foot SYS SET 2021 02 10 22 25 21 GMT 09 00 ...

Page 22: ...rect position NG Replace the POWER board HELLO is displayed NG OK It can turn the power on by pressing the 1 button on the remote commandar OK PLEASE WAIT is displayed and complete OK Replace the DISPLAY board OK OK The voltage of the following is 21 5 V POWER board CN901 pin 1 to 4 or MAIN board CN100 pin 1 to 4 1 Starting up SA WS20R 2 TOUCH KEY board does not work SA WS20R The cable of 7 pin co...

Page 23: ...connecting the USB board and the NAIN board is inserted properly NG Insert the cable into the correct position NG Replace the USB board NG Replace the MAIN board NG The voltage of the following is 5 V USB board C360 capacitor OK The optical digital cable is inserted properly into the TV IN jack JK300 on the MAIN board NG Insert the optical digital cable into the correct position NG Replace the MAI...

Page 24: ... SPK_OUT BTL P 12 6V 22 3V D_AMP TAS5614LA PWM VALID P 12 6V 22 3V D_AMP TAS5614LA PWM VALID P 12 6V 22 3V P 3 3V FR THD 10 ȍ SPK_OUT BTL FL THD 10 ȍ SPK_OUT BTL C THD 10 ȍ SPK_OUT BTL SUB THD 10 ȍ SPK_OUT BTL SR THD 10 ȍ SPK_OUT BTL SL SPIDF IN Buffer 74LVC2G04 ARC IN from TV HDMI JACK RCO000038 2001 SJ2 DDC TX TX eKTF5616 Touch 5key INT CTL Blue LED 1 I2C ELW0901AA OLED Display SPI_CTL For BT 7p...

Page 25: ...he electrical parts list cannot be replaced with single for repairing In that case replace the complete mounted board Schematic diagram and printed wiring board are described for reference purposes in this service manual Note 2 When the IC501 IC502 IC503 on the MAIN board or the complete MAIN board is replaced with a new part spread the compound for heat radiation to the touching portion between t...

Page 26: ...ation Note When the IC501 IC502 IC503 on the MAIN board or the complete MAIN board is replaced with a new part spread the compound for heat radiation to the touching portion between the IC501 IC502 IC503 on the MAIN board and the heatsink A B C D E 1 2 3 4 5 6 7 8 MAIN BOARD COMPONENT SIDE MAIN BOARD CONDUCTOR SIDE Ver 1 2 SYS SET 2021 02 10 22 25 21 GMT 09 00 ...

Page 27: ...0k 33 RS232 Upgrate RS233 Upgrate 104 104 Eprom Eprom Eprom Eprom FL FR SL SR 0 10 10K 10K 10K 104 P99 P100 P124 P123 P119 P118 P6 P120 104 104 47R 47R 0 33 15P NC 6 8K 104 10K 47P 47P C SUB 15P 15P 33 33 220U 10V NC 10K NC 4148 NC 100K NC 104 NC 2SC5343 NC 2SA8550 NC 100 NC 104 100K NC 3 3K NC 104 FB_100 0R 33R 33R 33R 33R 33R 15P 27MHZ QCF011030 2491 15P 33 33 33 33 33 33 33 33 33 33 33 FL 60W 3...

Page 28: ...4 7K R213 4 7K C208 104 R215 33R R214 33R R216 33R R217 33R BT Software Update CN201 CN7 1 0mm TP208 TP222 TP111 TP112 TP113 TP115 TP223 TP224 TP225 TP226 TP227 TP228 CN200 0 5mm 18pin RCI025016 C000 PBE099560 1010 PBE099560 1010 104 10K 104 R220 4 7K R221 4 7K R207 10K Factory Testing 105 220K 475 475 PYL456450 4750 JK301 104 104 104 104 104 C394 104 104 104 104 33 33 33 33 15P 15P 15P 10K 10K PC...

Page 29: ...NENT SIDE USB BOARD CONDUCTOR SIDE A B 1 4 6 SCHEMATIC DIAGRAM USB Board SA WS20R CJU040020 0001 104 C360 106 CN302 CN6 20 CABC16 04S 0 0 USB USB_DM1 USB_DP1 C305 ZD300 R392 L301 R393 JK302 USB5V_1 USB 1 2 3 4 5 6 I O1 1 I O3 4 I O2 3 GND 2 VCC 5 I O4 6 NC USB5V USBM USBP GND USB_M1 USB_P1 1 1 2 2 3 3 4 4 5 5 6 6 A B 1 2 3 4 USB BOARD SYS SET 2021 02 10 22 25 21 GMT 09 00 ...

Page 30: ...D2 INT_TH2 SCL_TH2 SDA_TH2 PAC GND2 GND2 GND2 IR SENSOR PH 0 3 15P 1 25V_LOCK 600 33 39K 33 NC 33 33 33 33 33 105 104 600 TO MAIN BOARD 33 10U 10V 104 10U 10V 33 33 33 10K K CD 600603 00A0 47R 7P 1 25V_LOCK BLUE LED TO TOUCH BOARD 15PF 104 15PF 104 SN1001 CN1003 TP31 TP1A CN1001 FB1001 TP2A TP22A TP33 TP3A TP29A R1001 R1013 TP23A TP4A R1002 TP30A TP28A C1005 TP5A TP26A R1003 TP24A TP6A TP32A R1004...

Page 31: ...C407 C408 10U 6 3V ASGND C406 R421 TP26 TP405 104 0 10K 10K 10K 1 2 3 4 5 6 7 100 100 100 10K 10K 10K 22P 22P 22P 10K 10K 100 104 104 10K SCL_UR SDA_UR B_LED INT_TH SCL_TH SDA_TH UART For Touch debug Connect Jack EB1 to OLED IR board SB1 to MAIN board CN400 BK3 3V_T BK3 3V_T BK3V3_T BK3 3V_T BK3V3_T 1 2 3 4 GND 9 GND 8 P71 TK10 1 P70 TK9 2 P67 TK8 3 P66 TK7 4 P65 TK6 5 P64 TK5 6 P63 TK4 7 P62 TK3 ...

Page 32: ...icer 4 11 PRINTED WIRING BOARD POWER Board SA WS20R Uses unleaded solder See page 25 for Circuit Boards Location A B C D E F G 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 POWER BOARD COMPONENT SIDE POWER BOARD CONDUCTOR SIDE SYS SET 2021 02 10 22 25 21 GMT 09 00 ...

Page 33: ...918 0 22U 275V ZD901 24V 220 R929 33K C907 560p 400V R908 R906 NC R905 NC 18V P901 SCREW A P902 SCREW A P900 SCREW A P903 SCREW A R909 NC R930 200K R944 R945 100 ohm 5 100P 1KV 100P 1KV 220p 400V 104P 50V 104P 50V L900 330K R932 10R 12V NC 1 2 4 3 AC100V 240V 1 2 3 D S G 1 2 4 3 4 1 3 2 1 2 1 2 3 RT 1 COM 2 CS 3 GND 4 OUT 5 VCC 6 NC 7 HV 8 R933 2 3 1 9 10 8 6 5 11 1 2 3 4 5 6 7 8 9 CN901 CN9P 25 C...

Page 34: ...DVDD DVSS AVDD System Control DAP Control PWM Control 8 8 Crossbar Mixer 7 Biquads DC Block De Emph NS SRC PWM 0 Det 7 Biquads DRC Loud Comp Soft Tone DC Block De Emph PWM NS SRC 8 2 Crossbar Mixer 0 Det 7 Biquads DRC Loud Comp Soft Tone DC Block De Emph NS SRC PWM 0 Det 7 Biquads DRC Loud Comp Soft Tone DC Block De Emph PWM NS SRC 0 Det 7 Biquads DRC Loud Comp Soft Tone DC Block De Emph PWM NS SR...

Page 35: ... PROTECTION C_START OTW CLIP ANALOG LOOP FILTER UVP AVDD VDD OUT_B GND PVDD_AB BST_B INPUT_B GATE DRIVE PWM TIMING CONTROL ANALOG LOOP FILTER OUT_C GND PVDD_CD BST_C INPUT_C GATE DRIVE PWM TIMING CONTROL ANALOG LOOP FILTER OUT_D GND PVDD_CD BST_D INPUT_D GATE DRIVE PWM TIMING CONTROL ANALOG LOOP FILTER PWM RECEIVER PWM RECEIVER PWM RECEIVER PWM RECEIVER DVDD DVDD AVDD DVDD AVDD GVDD_X BST_X GVDD_A...

Page 36: ...terminal 28 PRST_ I Reset signal input terminal L reset 29 IR I SIRCS signal input terminal 30 GPIO3 INT_ I O Two way CEC data bus terminal 31 GPIO4 O USB power control signal output terminal 32 DV_C0 O Strobe signal output terminal for OLED 33 DV_C1 O Reset signal output terminal for OLED 34 DV_C2 I USB detection signal input terminal 35 DV_C3 O DC signal output terminal for OLED 36 SD_MS_D2 I Re...

Page 37: ...2 GPIO33 I Interrupt signal input terminal for touch key 103 AVDD33 Power supply terminal 3 3V analog system 104 VREF GPIO14 O Bluetooth power on oﬀ control signal output terminal 105 FS Full scale adjustment terminal 106 NC Not used 107 AVDD33 Power supply terminal 3 3V analog system 108 AGND12 Ground terminal analog system 109 110 NC Not used 111 AKIN2 GPIO19 I Audio data input terminal for A D ...

Page 38: ...rille Type V See Note 2 487461452 SCREW 1 3 5X20 TAPPING 3 930100339 USB BOARD COMPLETE 4 930100413 SCREW PTP2 5X6 BLACK 5 930100337 DISPLAY BOARD COMPLETE 6 930100338 TOUCH KEY BOARD COMPLETE 7 930100347 FOOT 10X10XT2 4PCS 4 pieces 1 set 8 930100838 EVA CUSHION EB1 SWF CAB1 930100836 WOOD BOX ASSY1 EB1 SWF Including Duct Connection cable Foot Type C See Note CAB1 930100837 WOOD BOX ASSY2 EB1 SWF ...

Page 39: ...MAIN BOARD COMPLETE IND Type C See Note 1 2 3 52 930100343 MAIN BOARD COMPLETE AEP UK Type C See Note 1 2 3 52 930100344 MAIN BOARD COMPLETE SP AR LA AF Type C See Note 1 2 3 52 930100527 MAIN BOARD COMPLETE IND Type V See Note 1 2 3 52 930100528 MAIN BOARD COMPLETE AEP UK Type V See Note 1 2 3 52 930100529 MAIN BOARD COMPLETE SP AR LA AF Type V See Note 1 2 3 BT1 930100340 BT MODULE EB1 SWF See N...

Page 40: ...peaker connection cord Cushion Foot Type V See Note SP2 930100354 SPK UNIT EB1 BAR Full range speaker for L ch Type C See Note SP2 930100517 SPK UNIT EB1 BAR Full range speaker for L ch Type V See Note SP3 930100354 SPK UNIT EB1 BAR Full range speaker for Center Type C See Note SP3 930100517 SPK UNIT EB1 BAR Full range speaker for Center Type V See Note SP4 930100354 SPK UNIT EB1 BAR Full range sp...

Page 41: ... for R ch Type C See Note SP6 930100518 SUR SPK ASSY EB1 R Surround speaker for R ch Type V See Note Ref No Part No Description Remark Ref No Part No Description Remark Note The production country has been changed from China to Vietnam in the midway of production In this service manual parts for Chinese production are described to as Type C and parts for Vietnam pro duction are described to as Typ...

Page 42: ...range speaker for R ch SS S20R Type V See Note 2 SP5 930100356 SUR SPK ASSY EB1 L Surround speaker for L ch SS SS20R Type C See Note 2 SP5 930100519 SUR SPK ASSY EB1 L Surround speaker for L ch SS SS20R Type V See Note 2 SP6 930100355 SUR SPK ASSY EB1 R Surround speaker for R ch SS SS20R Type C See Note 2 SP6 930100518 SUR SPK ASSY EB1 R Surround speaker for R ch SS SS20R Type V See Note 2 Ref No ...

Page 43: ...NCH AEP Type V See Note 502040631 MANUAL INSTRUCTION Operating Instructions SPANISH AEP Type V See Note 502040641 MANUAL INSTRUCTION Operating Instructions GERMAN AEP Type V See Note 502040651 MANUAL INSTRUCTION Operating Instructions DUTCH AEP Type V See Note 502040661 MANUAL INSTRUCTION Operating Instructions ITALIAN AEP Type V See Note 502040671 MANUAL INSTRUCTION Operating Instructions POLISH ...

Page 44: ... Stereo Mini cable IND 503 930100366 OPT CABLE Optical digital cable AEP UK SP AR LA AF 0 504 930100358 AC CORD E12 AC power cord mains lead IND 0 505 930100360 AC CORD EU AC power cord mains lead AEP 0 506 930100361 AC CORD LA AC power cord mains lead SP LA AF 0 507 930100362 AC CORD 13A CEK AC power cord mains lead UK AF 0 508 930100364 AC CORD AR AC power cord mains lead AR 0 509 178550421 ADAP...

Page 45: ...o the Vietnam AEP UK IND LA AF Deletion of Information for AUS model Correction of Ref No for Printed Wiring Boards of MAIN board From CN302 to CN305 SMR 20020 1 3 2020 10 Addition of Part No for WOOD BOX ASSY and EVA CUSHION Change of Disassembly SA WS20R Change of Part No for INSTRUCTION MANUAL SP IND AF SMR 20023 1 4 2021 02 Change of Production Country from the China to the Vietnam SP AR Chang...

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