JVC LT-32X676 Service Manual Download

Page: 17 / 26

(No.YA379)2-5

2-6(No.YA379)

c10435001a001_1221_1/5_0.0

C2004

MAIN_R

TV_V1

SUB_C

SUB_VY

R_SWSUB

MAIN_L

L_SWSUB

ROUT

C2008

TV_V2

R519

LOUT

C503

R526

C2001

R_SWMAIN

L_SWMAIN

A_MU

M_MU

C2021

MAIN_VY0

MAIN_C

D504

C506

C505

SDA3B5

SCL3B5

D503

C2217

D2003

C2002

C2216

C504

C2010

J2009

C2022

R582

R583

R584

C2005

C2003

R541

Q508

CB510

IC503

C520

IC501

CN00UV

R531

C522

C523

C2006

R578

C2018

R577

R2001

R2003

C521

R534

R576

R2004

R2005

R537

C2017

CB509

CB508

CB507

D2001

J2010

J2011

R2002

R2057

C502

C2213

D2005

C2214

R530

CB506

Q507

IC502

C515

C518

C519

R575

R574

R520

R521

R522

R528

R523

R524

C516

R527

R529

R573

Q509

IC504

C524

C526

C527

R581

R580

C525

R579

R571

R572

R535

CN00UA

C513

C514

R2202

Q501

R546

R545

R544

R538

R543

R542

R548

R547

Q502

R550

R549

C508

R536

Q503

R555

R554

R553

R552

R551

R557

R518

R517

R516

D2004

D2002

D2007

D2006

R556

Q504

C2201

R559

C511

C512

R558

R540

C509

R569

C2202

C2203

R570

J2002

R2202

R2203

R2204

R2205

D2204

C2007

D2009

D2201

D2203

R2203

R539

R2204

D2202

J2008

R2205

C2201

C2202

J2009

J2002

J2007

R509

J2008

R511

R512

J2011

R532

R533

R535

R536

R537

R538

R2059

R2060

R2053

R575

Q507

C2203

C2241

R574

R582

IC502

R573

R584

R2058

C519

R578

C2242
C2243

R540

Q508

C518

R2051

R2052

C515

C516

R577

IC503

R576

C523

C522

R2241

C520

R2242

R2243

R583

C521

R2245

R2246

R581

Q509

R580

IC504

R579

C527

C526

C524

R510

C525

D2201

D2202

D2203

D2204

R2056

D2003

D2009

D2053

D2054

L501

C540

L501

C540

C2003

C2009

C2011

C2012

J2003

R2007

R2009

R2010

R2008

D2008

R2006

C2019

D2012

D2010

D2011

D2014

D2013

J2001

D2015

D2017

D2016

C2015

C2014

J2004

R2011

R2012

R2013

R2210

C2207

D2208

J2008

D2053

D2054

R2056

R2057

C2213

C2204

C2214

C2205

J2008

R2051

J2008

C2206

R2207

C2055

R2208

R2209

R2059

C2002

C2004

C2008

C2010

C2021

C2022

R2052

C2016

C2216

C2217

D2205

R2058

D2241 D2242 D2243

J2008

D2207

R2220

C2051

C2052

R2241

D2206

R2242

J2006

R2054

R2055

R2053

Q2051

Q2052

R2062

R2069

R2065

R2071

R2243

D2244

C2020

J2007

Q2055

R2066

R2061

R2060

C2215

Q2205

R2215

R2214

R2212

R2213

Q2201

C2242

C2243

C2241

C544

L_DIG

C542

C543

C545

R_DIG

C541

C_DIG

Y_DIG

CPR1/RE1

CPY1/GR1

CPB1/BU1

PC_B

PC_G

PC_R

PC_DET

D13_YS1

CENTIN

CPY3

CPB3

CPR3

PC_VS

PC_HS

CB505

R533

R532

C501

CB504

CB503

CB502

R514

R513

R512

R511

R510

CB501

R509

R508

C507

CPB1

CPY1

CPR1

EUROR4

EUROL4

R2246

R2245

D2245

C2245

D2246

C2246

/25

/16

CB1

RV3

S2-3

S-3

LV4

RV4

S2-4

S-4

LV5

RV5

ADR

YIN1

BIAS

CIN1

LOUT1

VOUT1

ROUT1

TRAP1

YOUT1

VGND

COUT1

LV5

RV6

LTV

RTV

CXA2069Q

/16

CB1

/10

CB1

/10

CB1

/16

CB1

OLLC09750

QNN0652-001

CB1

/16

CB1

/16

CB1

QNZ0726-001

/10

CB1

QNZ0726-001

/16

CB1

/16

CB1

QNN0651-001

CB1

/16

CB1

/16

CB1

/16

CB1

/16

CB1

/10

CB1

/16

CB1

/16

CB1

QNN0648-001

UN2226-X

/10

CB1

UN2110-X

CB1

LV1

RV1

S2-1

S-1

LV2

RY2

S2-2

S-2

LV3

SCL

SDA

AGND

DC_OUT

COUT3

LOUT3

YOUT3

ROUT3

VOUT3

VCC

LOUT2

V/YOUT2

ROUT2

TRAP2

COUT2

MUTE

S2-2

GND

SLOW

U_R

GND

U_L

/16

.01

OPEN

27p

OPEN

2.2

OPEN

220

2.2

220k

OPEN

22K

2.2

220

OPEN

220

6.8k

220

6.8k

220

2.2

6.8k

OPEN

220

6.8k

220

OPEN

.01

OPEN

6.8K

OPEN

6.8K

OPEN

2.2

220k

2.2

220k

OPEN

OPEN OPEN OPEN

OPEN

2.2

22k

390

470

39k

OPEN

470

390

OPEN

.01

OPEN

6.8k

220

OPEN

CPR1/RE1

CPY1/GR1

CPB1/BU1

GND

CPY1/GR1

CPR1/RE1

CPY3

CPB1/BU1

CPB3

GND

CPR3

GND

CENTIN

GND

L_SWMAIN

GND

PC_R

GND

R_SWMAIN

PC_G

GND

SDA3B5

BS_A9V

GND

SCL3B5

MAIN_VY0

BS_A9V

MAIN_C

GND

PC_DET

GND

BS_A9V

GND

BS_A9V

GND

BS_A9V

GND

PC_B

GND

D13_YS1

GND

SCL3B5

L_DIG

Y_DIG

R_DIG

C_DIG

MON_C

MON_Y

MON_V

CENTIN

SDA3B5

MON_L

MAIN_C

MON_R

S1DC

MON_C

MON_L

R_SWMAIN

MON_Y

PC_B

PC_G

MON_R

L_SWMAIN

PC_R

D13_YS1

PC_DET

MAIN_VY0

MON_V

CPY3

CPB3

CPR3

S1DC

ANALOG SIGNAL
PWB ASS'Y (1/5)

LCA90609-01A (SFL-1015A)

OPEN

**SHEET2

**SHEET3

OPEN

**SHEET2,3,4,5

VIDEO/AUDIO

SELECT

**SHEET2

**SHEET3

**SHEET2,3

**SHEET4

INPUT-1

INPUT-2

INPUT-3

INPUT-1

(COMPONENT)

OPEN

DIGITAL IN AUDIO

OPEN

NOTE : To find the pages showing the corresponding schematic diagram, follow the indication below.

*SHEET: Refer to the service manual(YA214).

** SHEET: Refer to this service manual.

CIRCUIT DIAGRAMS

ANALOG SIGNAL PWB CIRCUIT DIAGRAM (1/5) SHEET1

Summary of Contents for LT-32X676

Page 1: ...6 T was changed partly from LT 32X575 T Therefore this service manual describes only the items which differ from those of the LT 32X575 T service manual For details other than those described in this manual please refer to the LT 32X575 T service manual No YA214 2004 9 Item LT 32X575 T LT 32X676 T Cabinet design World Wide New Tooling New Tooling Asia SX5 Design Stand type Oval type Half moon type...

Page 2: ...RD COVER 108 QYSPSPD5014MA SCREW M5 x 14mm x4 109 QYSPSPD3016ZA SCREW M3 x 16mm x2 110 LC12408 005A REAR COVER 111 QYSBSFG4016MA TAP SCREW M4 x 16mm x7 112 QYSBSF3010MA TAP SCREW M3 x 10mm x4 113 QYSPSPD3008MA SCREW M3 x 8mm 114 QMPR810 170 JC POWER CORD 1 7m BLACK 115 LC21348 001D HK POWER CORD HOLDER 116 QUQL05 4006AL E FFC WIRE 40pin 6cm 117 QUQL05 5004AA E FFC WIRE 50pin 4cm 118 QUQL05 3004AA ...

Page 3: ...R SP01 SP02 x2 137 LC33125 001B HK LED LENS 201 LCA90349 07B REGULATOR PWB 202 LCA90348 07D POWER PWB 203 LCA10447 51A RECEIVER PWB 204 LCA90353 11A CONNECTOR PWB 205 LCA90609 01A ANALOG SIGNAL PWB 206 LCA10428 82A DIGITAL SIGNAL PWB 207 LCA90469 05A FRONT CONTROL PWB 208 LCA90470 05A FRONT SENSOR PWB Ref No Part No PART NAME DESCRIPTION ...

Page 4: ...OR RECEIVER PWB BRACKET FAN BRACKET FRONT 206 121 129 207 101 101 111 123 125 119 115 114 119 122 113 111 112 111 111 110 104 111 107A 107B 106 112 111 112 105 111 103 120 205 102 107 108 109 126 128 204 203 116 117 118 202 201 127 124 ...

Page 5: ... No YA379 1 5 FRONT BOTTOM FRAME TOP FRAME MAIN BASE 135 130 131 136 137 133 134 208 136 132 FRONT ...

Page 6: ... 0 47uF 50V J C6685 QETM1EM 477 QETN1EM 477Z E CAPACITOR 470uF 25V M C6687 QETM1EM 477 QETN1EM 477Z E CAPACITOR 470uF 25V M R6624 QRJ149J 102 QRJ146J 102X UNF C RESISTOR 1kΩ 1 4W J R6666 QRK129J 5R6 QRK126J 5R6X UNF C RESISTOR 5 6Ω 1 2W J R6667 QRK129J 220 QRK126J 220X UNF C RESISTOR 22Ω 1 2W J R6668 QRK129J 5R6 QRK126J 5R6X UNF C RESISTOR 5 6Ω 1 2W J R6669 QRK129J 220 QRK126J 220X UNF C RESISTOR ...

Page 7: ...TRUCTIONS Please refer to LT 32X575 T No YA214 about this section Ref No Part No PART NAME DESCRIPTION LT 32X575 T LT 32X676 T 001 LC10006 047A LC10006 062A PACKING CASE 002 LC21688 001A LC22000 001A CUSHION 003 LC11983 001B LC12447 001A CUSHION ASSY 4pcs in 1set 009 LCT1750 001A LCT2047 001A CAUTION SHEET 011 LC21580 003A 0L RATING LABEL Not supply ...

Page 8: ... 5 REMOVING THE ANALOG SYGNAL PWB Fig 1 Remove the STAND Remove the REAR COVER Remove the FAN BRACKET 1 Remove the 6 screws J then remove the TERMINAL BASE 2 Remove the 5 screws K then remove the ANALOG SIGNAL PWB 3 1 6 REMOVING THE FRONT CONTROL PWB Fig 1 Remove the STAND Remove the REAR COVER 1 Remove the 3 screws L then remove the CONTROL ASSY with the FRONT CONTROL PWB 2 Remove the FRONT CONTR...

Page 9: ...D C C C C C C B A N M JACK COVER STAND COVER STAND JACK COVER REAR COVER REGULATOR PWB POWER CORD RECEIVER PWB POWER CORD HOLDER DIGITAL SIGNAL PWB TERMINAL BASE FRONT CONTROL PWB CONTROL ASSY POWER PWB CONNECTOR PWB ANALOG SIGNAL PWB TUNER BASE F F G H J K K K P L L L S T T T R ...

Page 10: ...T Fig 2 Remove the STAND Remove the REAR COVER Remove the FAN BRACKET 1 Remove the 4 screws D then remove the MAIN BASE 2 Remove the 5 screws E then remove the LCD PANEL UNIT with the TOP FRAME and BOTTOM FRAME 3 Remove the 4 screws F then remove the TOP FRAME and BOTTOM FRAME from the LCD PANEL UNIT 3 1 12 REMOVING THE FRONT SENSOR PWB Fig 2 Remove the STAND Remove the REAR COVER Remove the FAN B...

Page 11: ... No YA379 1 11 Fig 2 FRONT BOTTOM FRAME TOP FRAME MAIN BASE D E F F E F C C B H B A A G LCD PANEL UNIT FRONT PANEL SPEAKER LED LENS SPEAKER SPEAKER BOX FRONT SENSOR PWB DUCT DUCT ...

Page 12: ...awa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan SECTION 4 ADJUSTMENT Please refer to LT 32X575 T No YA214 about this section SECTION 5 TROUBLESHOOTING Please refer to LT 32X575 T No YA214 about this section ...

Page 13: ... LT 32X575 T Therefore this service manual describes only the items which differ from those of the LT 32X575 T service manual For details other than those described in this manual please refer to the LT 32X575 T service manual No YA214 2004 9 Item LT 32X575 T LT 32X676 T Cabinet design World Wide New Tooling New Tooling Asia SX5 Design Stand type Oval type Half moon type SCHEMATIC DIAGRAMS CD ROM ...

Page 14: ...2V 4 Power Supply Type MM Metalized mylar capacitor PP Polypropylene capacitor MPP Metalized polypropylene capacitor MF Metalized film capacitor TF Thin film capacitor BP Bipolar electrolytic capacitor TAN Tantalum capacitor 3 Coils No unit Others µH As specified No indication Ceramic capacitor 2 Capacitors Capacitance value 1 or higher pF less than 1 µF Withstand voltage No indication DC50 V Othe...

Page 15: ...N 2 17 FRONT CONTROL PWB PATTERN 2 21 FRONT SENSOR PWB PATTERN 2 21 USING P W BOARD P W B ASS Y name ANALOG SIGNAL P W BOARD FRONT CONTROL P W BOARD FRONT SENSOR P W BOARD LCA90609 01A SFL 1015A LCA90469 05A SFL 7114A LCA90470 05A SFL 8143A LT 32X676 T IC BOTTOM VIEW FRONT VIEW TOP VIEW 1 N N 1 OUT E IN IN OUT E 1 N TOP VIEW 1 N 1 N CHIP IC TRANSISTOR BOTTOM VIEW FRONT VIEW TOP VIEW CHIP TR E C B ...

Page 16: ...4 1 3 1 1 50 50 3 R H H P Q PW F F CN011 CN012 CN1011 CN0002 CN003 CN000W CN0LV2 CN003 CN0006 CN100U CN1006 CN0001 CN002 CN001 CN1012 RECEIVER PWB DIGITAL SIGNAL PWB FRONT LED PWB FRONT CONTROL PWB ANALOG SIGNAL PWB CONNECTOR PWB POWER PWB REGULATOR PWB LCD PANEL UNIT LCD PANEL UNIT LCD PANEL UNIT LCD PANEL UNIT SPEAKER L SPEAKER R POWER CORD TOP TOP TOP TOP TOP TOP TOP TOP 1 10 CN100R WIRING DIAG...

Page 17: ...B1 CB1 CB1 OLLC09750 QNN0652 001 QNN0652 001 CB1 16 CB1 16 CB1 QNZ0726 001 10 CB1 QNZ0726 001 16 CB1 16 CB1 QNN0651 001 CB1 CB1 16 CB1 CB1 16 CB1 16 CB1 16 CB1 10 CB1 16 CB1 16 CB1 QNN0648 001 UN2226 X UN2226 X 10 CB1 UN2110 X CB1 CB1 CB1 CB1 N V1 LV1 Y1 RV1 C1 S2 1 S 1 V2 LV2 Y2 RY2 C2 S2 2 S 2 V3 LV3 SCL SDA AGND DC_OUT COUT3 LOUT3 YOUT3 ROUT3 VOUT3 VCC LOUT2 V YOUT2 ROUT2 TRAP2 COUT2 MUTE S2 2 ...

Page 18: ...NAX0621 001X CH CF1 CH CH CH CH CH CH CH B1 6 3 TC90A69AF X CH 16 CH CH CH NCB31AK 474X CH CH 25 TEMP VCC SCL0 SDA0 GND HP_VOL GND TU_ATT CSYNC OTH HP_MUTE CS CS NC HP_DET NC RGBOTH D G S D G S D G S D G S 16 16 16 CH OPEN OPEN 100 0 1 10 OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN PNP 6 8k 68p 0 01 3 3k 2 2K 3 3K 3 3k OPEN 3 3k 3 3k OPEN OPEN OPEN OPEN OPEN 0 OPEN PNP 2 2K 100 47 0 0 0 820 16 2M...

Page 19: ...AGND3 Yin4 Pbin4 PPD4 Prin4 APD4 Lin4 Rin4 AGND4 Rout3 Lout3 Lout1 AGND7 Prout1 Pbout1 VGND7 Yout1 VVCC Yin1 VGND1 Pbin1 PDD1 Prin1 APD1 Lin1 Rin1 AGND1 Yin2 VGND2 Pbin2 PDD2 Prin2 APD2 Lin2 Rin2 IGND VGND3 VGND4 IVCC B1 N B1 B1 B1 B1 B1 B1 B1 B1 CH CH CH VSS VEE INH OZ Z COM IZ OY IY Y X 1X 0X A B C VPD B1 B1 0 10 OPEN OPEN OPEN OPEN OPEN 100 47 470 47 0 1 0 1 0 1 OPEN OPEN OPEN OPEN 100 100 47 4...

Page 20: ...6 16 MA111 X RC4558D X RC4558D X 16 16 16 50 MA111 X 25 QGA1501C2 04V MA111 X MA111 X 10 UDZS3 3B X 50 MA111 X 50 CH CH QGA2001C6 04X NQR0499 002X 10 F NQR0499 002X NQR0499 002X OLLC06374 MA111 X MA111 X 50 50 25 CB1 25 CB1 25 50 LM393DR X LM393DR X 25 TDA8928ST N1 UDZS20B X 25 QRJ146J 102X 25 25 50 UDZS20B X 16 50 50 UDZS20B X UDZS20B X 50 50 25 QETN1EM 477Z 25 QETN1EM 477Z NQR0499 002X 50 NQR049...

Page 21: ... 476X 16 NEX51CM 335X NQL52EM 220X 2SC3074 OY X 16 NEX50JM 156X NQL52EM 220X NQL52EM 220X NEX50JM 156X 16 1 2W 1 2W PTZ11B X PTZ6 8B X OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN 47 OPEN 47 47 0 470 12V STB_5V BS_ABT30 GND GND GND_S4 GND GND GND_S3 9V GND GND_S2 GND_S1 GND_S6 GND2 GND 12V GND ...

Page 22: ...068 X MA8068 X OLLC08322 UN2212 X UN2110 X SEL5920A T SELU5E20C T UN2110 X MA8068 X UN2212 X UN2110 X SEL5E20C T UN2110 X UN2110 X UN2212 X UN2212 X UN2110 X MA8068 X MA8068 X MA8068 X UN2212 X OLLC09759 SEL5E20C T MA8068 X MA8068 X UN2212 X UN2110 X OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN 47 OPEN 1K 10K 330 OPEN OPEN 330 OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN 10K 150K 100 33K 15K ...

Page 23: ...64 D6681 D6682 D6683 Q903 Q2201 Q2205 Q6301 Q6302 Q6521 Q6522 Q6523 Q6531 Q6532 Q6533 Q6534 Q6538 Q6539 Q6661 Q6662 Q6663 Q6672 Q6673 R817 R819 R856 R893 R901 R902 R903 R904 R2011 R2012 R2013 R2051 R2052 R2053 R2056 R2057 R2058 R2059 R2060 R2069 R2071 R2202 R2203 R2204 R2205 R2207 R2208 R2209 R2210 R2212 R2213 R2214 R2215 R2220 R2241 R2242 R2243 R2245 R2246 R6002 R6303 R6304 R6305 R6307 R6308 R630...

Page 24: ...846 R850 R851 R852 R853 R854 R855 R859 R860 R861 R862 R863 R864 R865 R866 R867 R869 R873 R874 R875 R876 R877 R879 R883 R884 R885 R886 R887 R888 R889 R891 R892 R907 R908 R210 R2001 R2002 R2003 R2004 R2005 R2006 R2007 R2008 R2009 R2010 R2054 R2055 R2061 R2062 R2065 R2066 R6001 R6003 R6004 R6005 R6201 R6202 R6203 R6204 R6205 R6301 R6302 R6306 R6310 R6311 R6312 R6409 R6421 R6422 R6423 R6424 R6425 R643...

Page 25: ...C8752 C8753 IC8751 IC8752 R8751 R8752 R8753 R8754 CN100U D8701 D8702 R8755 D8703 D8704 D8705 CN100R J7001 R7011 R7012 S7701 S7702 S7703 S7704 S7705 S7706 S7707 L7001 L7002 K7001 C7701 C7702 C7703 C7011 C7012 J7001 R7013 R7014 R7015 R7016 R7017 R7018 R7701 R7702 R7703 R7704 S7701 S7702 S7703 S7704 S7705 S7706 S7707 TOP TOP TOP TOP FRONT CONTROL PWB PATTERN SOLDER SIDE FRONT CONTROL PWB PATTERN PART...

Page 26: ... No YA379 Flat Panel Display Category 12 3 chome Moriya cho Kanagawa ku Yokohama city Kanagawa prefecture 221 8528 Japan Victor Company of Japan Limited VPT Printed in Japan ...

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