Sony SA-WCT800 Service Manual Download Page 23

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SA-WCT800

D941

D942

IC931

D967

D972

D973

Q930

Q931

PH930

Q950

Q952

L967

R935

R936

R937

R938

TH902

R945

R947

R951

R952

R953

R954

R955

JL901

JL902

JL903

JL904

JL905

R965

C930

C931

C932

C933

C934

R971

C936

C937

R975

R976

R977R978

R987

JL936

JL937

R997

C965

C968

C971

JL973

JL974

D930

JL975

D931

JL976

D932

JL977

JL978

D934

JL979

D935

D936

D937

D939

–

ET931

ET932

IC930

D965

JS902

F901

F931

A931

A932

VDR901

R901

R914

CN901

CN902

R932

R934

TH901

R944

LF901

LINE FILTER

C939

C940

C941

JW901

JW902

JW903

JW904

JW905

JW906

JW907

JW908

D901

C967

C970

C976

C977

C978

C980

T901

POWER TRANSFORMER

D938

SUB-POWER BOARD

1-980-622-

(11)

SUB-MAIN

BOARD
CN7201

>03P

(CHASSIS)

C907 (AEP, UK)
C988 (US, CND)

C904 (US, CND)
C905 (AEP, UK)

AC1

(AC IN)

LND001

PATTERN

SPARK-GAP

(US, CND)

C914 (US, CND)
C915 (AEP, UK)

C902 (US, CND)
C906 (AEP, UK)

C908 (AEP, UK)
C903 (US, CND)

C935 (US, CND)
C938 (AEP, UK)

4-9. PRINTED WIRING BOARD - SUB-POWER Board -

•

: Uses unleaded solder.

(Page 20)

Note:

When the D901, LF901, T901, TH901 or VDR901 on the
POWER board is replaced, refer to “BOND FIXED POSITION
OF ELECTRICAL PARTS” on page 5.

Summary of Contents for SA-WCT800

Page 1: ...oration ClearAudio is a trademark of Sony Corporation WALKMAN and WALKMAN logo are registered trademarks of Sony Corporation PlayStation is a registered trademark or trademark of Sony Interactive Entertainment Inc MPEG Layer 3 audio coding technology and patents licensed from Fraunhofer IIS and Thomson Windows Media is either a registered trademark or trademark of Microsoft Corporation in the Unit...

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 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 SUPPLEMENTS PUBLISH...

Page 3: ...nected before discharging com pletely finish discharging both boards and then reconnect the con nector If discharging is not complete sparking may occur when connecting the connector and cause a blown fuse Note 2 Be sure to discharge using a resistor of 800 or higher SUB POWER Board Conductor Side C967 C970 C914 US CND C915 AEP UK C7234 C7233 SUB MAIN Board Conductor Side 800 2 W 800 2 W 800 2 W 8...

Page 4: ...een appears on the TV screen LINK Power indicator 4 Press LINK on the rear of the subwoofer The power indicator of the subwoofer flashes in green Proceed to the next step within 1 minute 5 Select Start The link setting starts To return to the previous display select Cancel 6 Complete the link setting by following the on screen message The power indicator of the subwoofer lights in green If the mes...

Page 5: ...o the figure below Bond application portion SUB POWER Board Component Side SUB MAIN Board Component Side C7233 C7234 L7202 LF901 VDR901 C904 or C905 TH901 C907 or C988 LF901 C967 C976 C978 C970 C977 C980 R944 C939 C935 or C938 C914 or C915 C902 or C906 C903 or C908 D901 T901 T901 C941 D938 Note C935 or C938 is fixed so as not inclined to D938 side Note D901 is fixed so as not inclined to C914 or C...

Page 6: ...assembling the unit use the following jig for speaker removal Part No Description J 2501 238 A JIG FOR SPEAKER REMOVAL Note Follow the disassembly procedure in the numerical order given 2 2 AMP BLOCK LUH VHWWLQJ 6 AMP block 1 eight tapping screws 3 5 u 16 1 ten tapping screws 3 5 u 16 2 Remove the AMP block in the direction of the arrow 3 Remove the two cables from the wiring stopper rear side wir...

Page 7: ...ARGE PROCESSING on page 3 OK NG LUH VHWWLQJ This side is the terminal side There is a gap between cable and heat sink cable heat sink heat sink heat sink Cable comes in contact with the heat sink cable Note 3 Fix the cable so that it does not come in contact with the heat sink 7 Remove the SUB MAIN board block in the direction of the arrow rear side top side wiring stopper hole hole rib rib 0 SUB ...

Page 8: ...QVWDOODWLRQ SRVLWLRQ RI WKH FRUG EXVKLQJ 6 power cord AC1 cord bushing FBS001 lock side 95 5 0 mm to SUB POWER board lock side cord bushing FBS001 Top side is the claw side Note When installing the power cord block check the direction and position of claw of the cord bushing FBS001 and install correctly hole rear side top side bottom side cord bushing FBS001 2 two claws top side ...

Page 9: ...ot come in contact with the heat sink 3 connector CN7201 Note 1 Before connect this connector refer to CAPACITOR ELECTRICAL DISCHARGE PROCESSING on page 3 rear side top side hole hole rib rib 6 SUB POWER board Note 2 When installing the SUB POWER board align the two ribs and two holes heat sink Cable comes in contact with the heat sink heat sink wiring stopper There is a gap between cable and heat...

Page 10: ...en fabrics T0 3 7 two non woven fabrics T0 3 OK NG SUB KEY board QVWDOODWLRQ SRVLWLRQ RI WKH QRQ ZRYHQ IDEULF 7 non woven fabric T0 3 6LGH YLHZ 6LGH YLHZ non woven fabric T0 3 button power CZ2 6 Remove the button power CZ2 block in the direction of the arrow 3 Remove the SUB KEY board block in the direction of the arrow guide line top side bottom side QVWDOODWLRQ SRVLWLRQ RI WKH QRQ ZRYHQ IDEULF 7...

Page 11: ...unit and open a gap between the front panel block and speaker cabinet 3 While moving the jig in the direction of the arrow remove all bosses and the front panel block 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 a jig please work carefully so as not to damag...

Page 12: ... WKH ORXGVSHDNHU 63 terminals position gray black 3 terminal wide gray 3 terminal narrow black Note 1 When installing the loudspeaker SP1 make the position of terminals as shown in the figure below top side bottom side Note 2 When connecting the speaker cable terminal to the loudspeaker take care for the direction of the terminal and connect it loudspeaker top side rear side bottom side OK NG OK N...

Page 13: ... board No No No Check the speaker cable Check and replace the speaker SP1 No Check the mounted state of area surrounding IC7203 on the SUB MAIN board do not short circuits or opens If there is no abnormality IC7203 on the SUB MAIN board might have been damaged Replace the IC7203 on the SUB MAIN board Yes The voltage of the following is 12 V SUB MAIN board IC7104 pin 4 Yes Replace the SUB MAIN boar...

Page 14: ...t signal is inputted to pin 21 of IC7400 on the SUB MAIN board after AC input Check the mounted state of area surrounding IC7402 on the SUB MAIN board and repair it Yes Yes No No Replace the damaged fuse or fusible resistor on the SUB POWER board After the fuse or fusible resistor replacing if immediately the that part is damaging SUB POWER board might have been damaged Replace the SUB POWER board...

Page 15: ...state of area surrounding IC7202 on the SUB MAIN board do not short circuits or opens If there is no abnormality IC7202 on the SUB MAIN board might have been damaged Replace the IC7202 on the SUB MAIN board Check the mounted state of area surrounding IC7203 on the SUB MAIN board do not short circuits or opens If there is no abnormality IC7203 on the SUB MAIN board might have been damaged Replace t...

Page 16: ...MEMO SA WCT800 16 ...

Page 17: ...fer to waveforms Signal path F AUDIO ANALOG J AUDIO DIGITAL Note 1 Among mounted electrical parts on each boards only parts that are described in the electrical parts list can be replaced for repair The parts that are not described in the electrical parts list cannot be replaced with single for repairing Note 2 When the complete SUB MAIN board is replaced re fer to WIRELESS CONNECTION LINK WORK OF...

Page 18: ...43 AVSS 44 P_CONT1 45 P_CONT2 46 ON CHIP DEBUG CLK1 47 PROG VUTX 48 PROG VURX 49 50 TCK 51 TDI 52 TMS 53 TDO 54 55 56 57 58 59 60 PVDD_STBY 61 VCC 62 PVDD_SD_EN 63 64 VSS LSCR523UBFS8TL Q7403 0 R7507 47k R7458 10k R7459 JL7454 3 3k R7461 JL7444 10k R7447 JL7443 2 2k R7452 JL7442 1k R7457 JL7441 JL7438 R7502 33k R7504 22k R7503 47k 0 1 C7401 4P CN7407 GND 1 KEY_PAIR 3 4 KEY_POWER 0 1 C7429 JL7468 J...

Page 19: ...20uH L7202 0 R7118 JL7503 JL7504 JL7505 JL7506 JL7507 JL7510 JL7511 JL7512 JL7513 24P CN702 4V 1 4V 2 DOUT_RX 3 Link State 4 INT 5 RESETN 6 SCL_STX 7 SDA_STX 8 SCL_MRX 9 SDA_MRX 10 GPIO3 11 GND 12 BCK1_TX POWER 13 LRCK1_TX 14 GPIO2 15 MCK_OUT_RX 16 DIN_TX 17 GPIO 18 GPIO 19 NC 20 NC 21 BCK0_RX 22 WCK0_RX 23 GND 24 0 R6073 0 1 C7114 10k R7526 CL7200 CL7214 0 01 C7111 0 01 C7110 100 R7209 47 R7206 0...

Page 20: ...7521 R7524 R7143 R7144 R7145 R7147 R7149 R7150 R7151 R7153 CL7201 CL7202 CL7208 CL7209 CL7210 CL7212 CL7213 JL7203 CL7224 JL7204 CL7225 CL7226 CL7227 JL7214 JL7215 JL7419 JL7420 JL7423 JL7424 JL7426 JL7427 JL7428 C7201 C7202 Q7200 C7206 Q7202 Q7203 C7208 JL7434 C7400 JL7436 C7402 JL7437 C7403 1 16 JL7438 C7210 C7211 C7405 Q7401 Q7403 C7408 C7409 C7218 JL7441 C7219 JL7442 JL7443 JL7444 C7410 C7411 ...

Page 21: ...7000 R7000 R7002 D7001 SUB LED BOARD SIDE A SUB LED BOARD SIDE B 1 894 327 11 11 1 894 327 11 11 D7001 7002 A K A K A K ON INDICATOR STANDBY INDICATOR SUB MAIN BOARD CN7405 02P A B 1 2 3 4 4 PRINTED WIRING BOARD SUB KEY Board Uses unleaded solder 4 5 SCHEMATIC DIAGRAM SUB KEY Board 4 6 PRINTED WIRING BOARD SUB LED Board Uses unleaded solder 4 7 SCHEMATIC DIAGRAM SUB LED Board Page 18 Page 20 Page ...

Page 22: ...k R938 4 7 R947 4 7k R937 10 C937 DZ2J24000L D939 DZ2J180M0L D934 2SC5053T100Q Q930 R944 250V C965 0 0047 35V 2200 C967 35V C976 47 RB068L100TE25 D967 250V 2 5A F931 FMX 22SL D965 0 01 C971 220k R971 4 7k R978 R951 68k 35V C980 47 50V C978 10 R952 1k 47k R977 1k R975 10k R976 25V 1000 C970 35V C977 47 UDZSUSTE 1730B D973 0 1 C968 Q952 LTC044EUBFS8TL LSAR523UBFS8TL Q950 E ET932 E ET931 0 5W R901 1 ...

Page 23: ...ER C939 C940 C941 JW901 JW902 JW903 JW904 JW905 JW906 JW907 JW908 D901 C967 C970 C976 C977 C978 C980 T901 POWER TRANSFORMER D938 SUB POWER BOARD 1 980 622 11 11 E E K K K A A K C E K E K A A K A K A K K A A K A K A A 2 3 5 7 14 12 10 8 A E A K SUB MAIN BOARD CN7201 03P CHASSIS CHASSIS C907 AEP UK C988 US CND C904 US CND C905 AEP UK AC1 AC IN LND001 PATTERN SPARK GAP US CND C914 US CND C915 AEP UK ...

Page 24: ...DATA INTERFACE PWM_HPM_L 1 PWM_HPP_L 2 PWM_HPM_R 3 PWM_HPP_R 4 PLL_FLTM 6 PLL_FLTP 7 LRCLK 22 SCLK 23 SDIN1 24 SDIN2 25 SDIN3 26 SDIN4 27 VR_DIG 28 RESET 16 HP_SEL 17 PDN 18 MUTE ASEL_EMO2 10 EMO1 15 DVDD2_CORE 14 DVSS2_CORE 13 AVDD 9 VR_ANA 8 OSC_RES 12 MCLK 11 19 SDA 20 AVSS 5 DEVICE CONTROL DIGITAL AUDIO PROCESSOR POWER SUPPLY SCL 21 AVSS_PWM 51 AVDD_PWM 50 PWM_P_1 39 PWM_M_1 38 PWM_P_2 41 PWM_...

Page 25: ...D 41 BST_A 44 BST_B 43 GATE DRIVE PVDD_AB 36 PVDD_AB 37 OUT_A 39 OUT_A 40 OUT_D 27 GND 26 GND 25 BST_C 24 BST_D 23 OUT_D 28 PWM TIMING CONTROL ANALOG LOOP FILTER ANALOG LOOP FILTER ANALOG LOOP FILTER ANALOG LOOP FILTER PWM TIMING CONTROL PWM TIMING CONTROL PWM RECEIVER PWM RECEIVER PWM RECEIVER PWM RECEIVER PWM TIMING CONTROL GATE DRIVE CLIP 18 FAULT 16 M3 21 M2 20 M1 19 GVDD_CD 22 BST_X GVDD_X AV...

Page 26: ...Serial data transfer clock signal output to the RF modulator 26 WS_SDA I O Two way data bus with the RF modulator 27 WS_INT I Interrupt signal input from the RF modulator 28 MD1 I Mode selection signal input terminal L flash memory writing mode 29 MD0 I Mode selection signal input terminal H flash memory writing mode 30 X0 I System clock input terminal 4 MHz 31 X1 O System clock output terminal 4 ...

Page 27: ... supplied SUB LED board not supplied not supplied not supplied 1 not supplied AMP section 2 2 2 2 2 2 2 2 2 SP1 4 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 X 2592 717 1 FRONT PANEL ASSY 2 4 238 407 12 SCREW 1 4X20 BV TAPPING 3 4 874 614 62 SCREW 1 3 5X16 TAPPING 4 2 682 469 11 FOOT SW 4 pieces 1 set SP1 1 859 162 11 LOUDSPEAKER 160 mm 162 11 1 7 685 646 79 SCREW BVTP 3X8 TYPE2 IT 3 Ref No Part No Desc...

Page 28: ...TE US CND 51 A 2088 500 A SUB POWER BOARD COMPLETE AEP UK 52 A 2178 471 A SUB MAIN BOARD COMPLETE SV See Note 1 53 3 087 053 01 BVTP2 6 3CR L 8 mm 54 4 564 787 11 NON WOVEN FABRIC T0 3 55 4 549 776 01 BUTTON POWER CZ2 0 56 4 966 267 12 BUSHING FBS001 CORD 57 4 564 785 11 CUSHION CZ2 A 0 AC1 1 834 966 42 POWER SUPPLY CORD AEP 0 AC1 1 837 308 12 CORD POWER SUPPLY US CND 0 AC1 1 839 999 22 POWER SUPP...

Page 29: ... 864 91 SHORT CHIP 0 JC7207 1 216 864 91 SHORT CHIP 0 JC7208 1 216 864 91 SHORT CHIP 0 JC7209 1 216 864 91 SHORT CHIP 0 JC7214 1 216 864 91 SHORT CHIP 0 JC7215 1 216 864 91 SHORT CHIP 0 TRANSISTOR Q7100 6 552 936 01 TRANSISTOR LTC014EUBFS8TL Q7101 6 553 711 01 TRANSISTOR NTJS4151PT1G Q7200 6 550 585 01 TRANSISTOR 2PC4081R 115 Q7202 8 729 013 22 TRANSISTOR HN1A01FU Q7203 6 550 586 01 TRANSISTOR 2PA...

Page 30: ... 264 01 DIODE KDZTR18B D973 8 719 083 71 DIODE UDZSUSTE 1730B FUSE 0 F901 1 523 067 51 FUSE 5 A 250 V 0 F931 1 523 085 11 FUSE 2 5 A 250 V IC 0 IC930 6 720 460 01 IC STR Y6735 US CND 0 IC930 6 721 976 01 IC STR Y6766B AEP UK IC931 6 716 865 01 IC MM1431FNRE LINE FILTER 0 LF901 1 460 834 11 LINE FILTER 18MH MIN 1 5A US CND See Note 1 0 LF901 1 697 492 11 LINE FILTER 27MH MIN 1 2A AEP UK See Note 1 ...

Page 31: ...MEMO SA WCT800 31 ...

Page 32: ...ING 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 ...

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