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JVC LT-42WX70/APT Service Manual

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SERVICE MANUAL
6 S ERVICE MANUAL
2009
YA700<Rev.001>
LT-42WX70
LT-42WX70
LT-42WX70
[RM-C2400]
[RM-C2410]
LT-42WX70 series only [Except LT-42WX70EU]
There may be multiple versions of this TV
model.
The TV version is identified by the letters
next to the model number on the TV's
Rating.(See illustration).
Use the service manual that matches the
version of the TV.
COPYRIGHT © 2009 Victor Company of Japan, Limited
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
LCD MONITOR
, LT-42WX70
/APT
, LT-42WX70
/BPT
, LT-42WX70EU
/TPT
[RM-C2420]
MODEL NO.
RATING LABEL (REAR)
TABLE OF CONTENTS
COPYRIGHT © 2009 Victor Company of Japan, Limited
MODEL NAME
LT-42WX70
,
/AUPT
,
/GPT
/PP
BASIC CHASSIS
MX7
LABEL indication
SERVICE MODEL NAME
LT42WX70APT
LT-42WX70/APT
LT42WX70UPT
LT-42WX70/AUPT
LT42WX70BPT
LT-42WX70/BPT
LT42WX70TPT
LT-42WX70/TPT
LT42WX70GTP
LT-42WX70/GTP
No.YA700<Rev.001>
2009/6

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Summary of Contents for JVC LT-42WX70/APT

  • Page 1 LT-42WX70 series only [Except LT-42WX70EU] LT-42WX70 There may be multiple versions of this TV LABEL indication SERVICE MODEL NAME model. LT42WX70APT LT-42WX70/APT The TV version is identified by the letters LT42WX70UPT LT-42WX70/AUPT MODEL NO. next to the model number on the TV's LT42WX70BPT LT-42WX70/BPT Rating.(See illustration).
  • Page 2 SPECIFICATION Contents LT-42WX70/AUPT Items LT-42WX70/APT LT-42WX70EU/PP LT-42WX70/BPT LT-42WX70/TPT LT-42WX70/GPT Dimension (W × H × D) 99.0 cm × 71.68 cm × 17.0 cm [With stand (At the high position)] 99.0 cm × 68.93 cm × 17.0 cm [With stand (At the middle position)] 99.0 cm ×...

  • Page 3: No.ya700

    SECTION 1 PRECAUTION SAFETY PRECAUTIONS (1) The design of this product contains special hardware, (6) Isolation Check (Safety for Electrical Shock Hazard) many circuits and components specially for safety After re-assembling the product, always perform an purposes. For continued protection, no changes should be isolation check on the exposed metal parts of the cabinet made to the original design unless authorized in writing by (antenna terminals, video/audio input and output terminals,...
  • Page 4 SAFETY PRECAUTIONS [FOR UK] (1) The design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits.
  • Page 5 1.3.2.2 MOUNTING THE UNIT TO THE WALL HANDLING LCD PANEL When selecting a wall mounting unit to mount the unit to the wall, 1.4.1 PRECAUTIONS FOR TRANSPORTATION be sure to keep the distance shown in the figure for good heat When transporting the unit, pressure exerted on the internal LCD dissipation.
  • Page 6 1.4.2 OPTICAL FILTER (ON THE FRONT OF THE LCD PANEL) (1) Avoid placing the unit under direct sunlight over a MAIN MENU SCREEN prolonged period of time. This may cause the optical filter to deteriorate in quality and COLOUR. (2) Clean the filter surface by wiping it softly and lightly with a Service Menu Service Menu 1.

  • Page 7: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS FEATURES Picture Management Full HD This function makes it easier to see the dark areas when a pic- Full HD models deliver superbly detailed image reproduction ture has many dark areas, and makes it easier to see the bright of more than 2 megapixels (1920 x 1080), which represents areas when a picture has many bright areas.
  • Page 8 Frequency Total region Effective region Classification Signal Name Vertical horizontal Dot clock Pixel Line Pixel Line pixel/line line/frame pixel/line line/frame PC (Analog) PC98/56 56.42 24.823 21.05 VGA/60 59.94 31.469 25.175 VGA/72 72.809 37.861 31.5 VGA/75 37.500 31.5 WVGA/60 31.020 33.75 1088 SVGA/60 60.317...
  • Page 9 TECHNICAL INFORMATION 2.4.1 LCD PANEL 2.4.1.2 PIXEL FAULT This unit uses the flat type panel LCD (Liquid Crystal Display) There are three pixel faults - bright fault, dark fault and flicker panel that occupies as little space as possible, instead of the fault - that are respectively defined as follows.
  • Page 10 2.4.2 MAIN CPU PIN FUNCTION [IC7301 : DIGITAL PWB] Pin name Function Pin name Function SYSCLKA Not used SDM_D13 I/O Data for SDRAM SBI1 Not used SDM_D12 I/O Data for SDRAM SBO1 Not used SDM_D11 I/O Data for SDRAM AMP_MUTE Speaker output muting [Muting = L] SDM_D10 I/O Data for SDRAM...
  • Page 11 Pin name Function Pin name Function OSD_R1 OSD digital output R[1] TRCD2 Not used WRITE_SW Write/load detection for CEDIA/TCCS [Loader TRCD1 Not used mode = L] TRCD0 Not used OSD_G4 OSD digital output G[4] TRCST Not used OSD_G3 OSD digital output G[3] TRCCLK Not used OSD_G2...

  • Page 12: Disassembly

    SECTION 3 DISASSEMBLY CAUTION AT DISASSEMBLY • Make sure that the power cord is disconnected from the outlet. • Pay special attention not to break or damage the parts. • Make sure that there is no bent or stain on the connectors before inserting, and firmly insert the connectors. •...
  • Page 13 3.3.5 REMOVING THE MAIN POWER PWB (Fig.3-2) 3.3.14 REMOVING THE TERMINAL BASE (Fig.3-2) • Remove the REAR COVER. • Remove the REAR COVER. (1) Remove the 4 screws [I]. • Remove the STAND. (2) Remove the MAIN POWER PWB. • Remove the CENTER FRAME. (1) Remove the 4 screws [U].
  • Page 14 REAR COVER(L) TERMINAL COVER(L) TERMINAL COVER(R) MAIN POWER PWB STAND ASSY SIGNAL PWB REAR COVER(R) INVERTER-2 CENTER FRAME T-CON SHIELD HEAT SINK NARROW CONNECTOR INSULATOR PFC POWER WIDE CONNECTOR INVERTER-2 COF(Chip on Film) DIGITAL PWB INSULATOR T-CON PWB SPEAKER BRACKET INSULATOR COF(Chip on Film) AC INLET...
  • Page 15 MEMORY IC REPLACEMENT • This model uses the memory IC. • This memory IC stores data for proper operation of the video and drive circuits. • When replacing, be sure to use an IC containing this (initial value) data. 3.4.1 MEMORY IC REPLACEMENT PROCEDURE 3.4.2 SERVICE MODE SETTING 1.
  • Page 16 3.4.3 SETTINGS OF FACTORY SHIPMENT 3.4.3.1 PICTURE MENU SETTING Setting Data Setting Item Dynamic Standard Theater Monitor Photo Pro Game (Memory2) (Memory1) (Memory3) (Memory4) (Memory5) (Memory6) Tint Tint Setting BY Gain BY/RY Angle Color Contrast Cotrast Setting Black Stretch High Medium Dynamic DC Offset Auto Contrast...
  • Page 17 Setting Data Setting Item Dynamic Standard Theater Monitor Photo Pro Game (Memory2) (Memory1) (Memory3) (Memory4) (Memory5) (Memory6) Dynamic Gamma High Medium Medium Noise Reduction Digital VNR Auto Auto Auto Auto Auto Mpeg NR 3DY/C Natural Cinema Auto Auto Auto Picture Delay Time Normal Normal Normal...
  • Page 18 REPLACEMENT OF CHIP COMPONENT 3.5.1 CAUTIONS (1) Avoid heating for more than 3 seconds. (2) Do not rub the electrodes and the resist parts of the pattern. (3) When removing a chip part, melt the solder adequately. (4) Do not reuse a chip part after removing it. 3.5.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.

  • Page 19: Adjustment

    Select the setting item. Select the setting item. [MUTING] key + [MUTING] key + [INFORMATION] key [INFORMATION [MUTING] key + (DISPLAY)] key [DISPLAY] key Enter The Factry Mode. Enter The Factry Mode. Enter The Factry Mode. [LT-42WX70EU/PP] [LT-42WX70/AUPT] [LT-42WX70/APT] [LT-42WX70/BPT] [LT-42WX70/TPT] [LT-42WX70/GPT] (No.YA700<Rev.001>)1-19...
  • Page 20 4.5.4 ADJUSTMENT MODE DWXGA1366*768 : Digital WXGA1366*768 DSXGA1280*1024 : Digital SXGA1280*1024 This mode is used to adjust the VIDEO CIRCUIT. DSXGA+1400*1050A : Digital SXGA+1400*1050A 4.5.4.1 HOW TO ENTER THE ADJUSTMENT MODE DSXGA+1400*1050B : Digital SXGA+1400*1050B D720p60 : Digital 720p 60Hz When the SERVICE MENU SCREEN of SERVICE MODE is D1080p60 : Digital 1080p 60Hz...
  • Page 21 4.5.6 CHANGE AND MEMORY OF SETTING VALUE SELECTION OF SETTING ITEM MEMORY OF SETTING VALUE (DATA) • [FUNCTION / ] key. Changed setting value is memorized by pressing [MUTING] For scrolling up / down the setting items. key. CHANGE OF SETTING VALUE (DATA) •...

  • Page 22: Troubleshooting

    SECTION 5 TROUBLESHOOTING SELF CHECK FEATURE 5.1.5 POINTS TO NOTE WHEN USING THE SELF CHECK FEATURE 5.1.1 OUTLINE In addition to circuit failures (abnormal operation), the following This unit comes with the "Self check" feature, which checks the cases may also be diagnosed as "Abnormal" and counted. operational state of the circuit and displays/saves it during (1) Temporary defective transmissions across circuits due to failure.Diagnosis is performed when power is turned on, and...
  • Page 23 5.1.6 DETAILS Diagnosi Detection item Display Detection content s signal Detection timing (line) Low bias line short POW PRO. Confirm the operation of the LB_PRO Detection starts 3 seconds after the power is protection low bias protection circuit. turned on. If error continues between 200 ms the power is turned off.
  • Page 24 Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA700<Rev.001>) Printed in Japan...

  • Page 25: Lcd Monitor

    MODEL NAME LT-42WX70 There may be multiple versions of this TV LABEL indication SERVICE MODEL NAME model. LT42WX70APT LT-42WX70/APT The TV version is identified by the letters LT42WX70UPT LT-42WX70/AUPT MODEL NO. next to the model number on the TV's LT42WX70BPT LT-42WX70/BPT Rating.(See illustration).
  • Page 26 LT-42WX70 , LT-42WX70 , LT-42WX70 /APT /AUPT /BPT LT-42WX70 , LT-42WX70 , LT-42WX70EU /GPT /TPT STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type No indication : Ceramic capacitor The components identified by the symbol and shading are : Metalized mylar capacitor critical for safety.

  • Page 27: Table Of Contents

    CONTENTS SEMICONDUCTOR SHAPES ..............2-4 WIRING DIAGRAM ..................2-5 BLOCK DIAGRAM..................2-7 CIRCUIT DIAGRAMS ...................2-9 DIGITAL PWB CIRCUIT DIAGRAM ......................2-9 SIGNAL PWB CIRCUIT DIAGRAM ......................2-35 MAIN POWER PWB CIRCUIT DIAGRAM ....................2-39 PFC POWER PWB CIRCUIT DIAGRAM ....................2-41 AC INLET PWB CIRCUIT DIAGRAM ......................2-43 SIDE PWB CIRCUIT DIAGRAM ........................
  • Page 28 USING P.W. BOARD LT-42WX70/AUPT LT-42WX70/BPT LT-42WX70/APT P.W.B ASS’Y name SIGNAL P.W. BOARD SMX-1001A SIDE P.W. BOARD SMX-7001A CAPSENS P.W. BOARD SMX-7701A LED P.W. BOARD SMX-8701A MAIN POWER P.W. BOARD SMX-9001A SMX-9501A PFC POWER P.W. BOARD AC INLET SMX-9801A P.W. BOARD...

  • Page 29: Semiconductor Shapes

    SEMICONDUCTOR SHAPES TRANSISTOR BOTTOM VIEW FRONT VIEW TOP VIEW CHIP TR E C B E C B ( G ) ( D ) ( S ) BOTTOM VIEW FRONT VIEW TOP VIEW CHIP IC TOP VIEW 2-4(No.YA700<Rev.001>)

  • Page 30: Wiring Diagram

    WIRING DIAGRAM LCD PANEL LCD PANEL MAIN POWER PWB CN9005 T-CON PWB CN9006 CN9001 CN9002 CN802 CN602 CN9101 CN9102 CN9103 DIGITAL PWB CN9101 CN5103 CN5101 CN5102 CN0003 CN0005 CN0001 CN7903 CN0004 CN0006 CN8501 SIGNAL CN3001 CN7404 SPEAKER OUTEPUT CN601 TERMINAL RGB INPUT RS232C TERMINAL...

  • Page 31: Block Diagram

    BLOCK DIAGRAM SIDE PWB DIGITAL PWB INPUT1 HDMI HDMI RECEIVE DIGITAL IN HDM_DV1_Y0-11 HDMI INPUT2 HDM_DV1_B0-11 HDMI RECEIVE/ IC6101 SDA_DQ0-15 HDM_DV1_R0-11 DIGITAL IN SELECT FRAME MEMORY INPUT3 HDMI DIGITAL IN IC6102 HDMI_I2S_SDO SDB_DQ0-15 FRAME MEMORY IC3001 VIDEO DECODE CD_DV2_Y0-7 INPUT4 IC6001 CONVERT PC IN...

  • Page 32: Circuit Diagrams

    CIRCUIT DIAGRAMS DIGITAL PWB CIRCUIT DIAGRAM (1/13) ASSY NO. : MODEL LIST SMX-0D001A : LT-42WX70EU LCA10900-01* LT-42WX70A, LT-42WX70G, LT-42WX70B, LT-42WX70AU LT-42WX70T SMX-0D002A : LT-42WX70J LCA10900-02* D2.5V1 SMX-0D003A : GD-42X1 LCA10900-03* SMX-0D004A : GD-42X1E, LCA10900-04* GD-42X1U L3091 D2.5V1 NRSA02J-0R0X RA3104 IC3003 SC2596SE-X L3098 R3091...
  • Page 33 DIGITAL PWB CIRCUIT DIAGRAM (2/13) HDM_DV1_Y11 DV1_Y11 DIGITAL PWB ASS'Y(2/13) HDM_DV1_Y10 DV1_Y10 HDM_DV1_Y9 DV1_Y9 HDM_DV1_Y8 DV1_Y8 HDM_DV1_Y7 DV1_Y7 SMX-0D001A HDM_DV1_Y6 DV1_Y6 HDM_DV1_Y5 DV1_Y5 HDM_DV1_Y4 DV1_Y4 HDM_DV1_Y3 DV1_Y3 HDM_DV1_Y2 DV1_Y2 ASSY NO. : MODEL LIST HDM_DV1_Y1 DV1_Y1 SMX-0D001A : LT-42WX70EU LCA10900-01* LT-42WX70A, HDM_DV1_Y0 DV1_Y0 LT-42WX70G,...
  • Page 34 DIGITAL PWB CIRCUIT DIAGRAM (3/13) DIGITAL PWB(7/13, 13/13) STB3.3V D3.3V D3.3V SYSTEM RESET PLL1 ANALOG 1.0V IC6901 K6901 S-80928CLNB-G-W NRSA63J-0R0X IC6001 R6902 OPEN JCC5071 R6903 PLL1_AVDD D1V_PLL C6951 C6952 C6902 C6901 PLL1_AGND XREST 61 R6924 C6912 D1V_PLL OPEN C6949 0.01 C6950 OPEN C6913...
  • Page 35 DIGITAL PWB CIRCUIT DIAGRAM (4/13) ASSY NO. : MODEL LIST DIGITAL PWB(12/13) SMX-0D001A : LT-42WX70EU LCA10900-01* LT-42WX70A, LT-42WX70G, D3.3V LT-42WX70B, D3.3V LT-42WX70AU LT-42WX70T SMX-0D002A : LT-42WX70J LCA10900-02* SMX-0D003A : GD-42X1 C6129 LCA10900-03* SMX-0D004A : GD-42X1E, 220/6.3 LCA10900-04* GD-42X1U C6130 NEX60JM-227X C6131 C6132 C6110...
  • Page 36 DIGITAL PWB CIRCUIT DIAGRAM (5/13) CN5201 OPEN RA5201 T1A_N T1A_N 228 T1A_N T1A 108 T1B_N T1B_N 227 T1B_N T1B 107 T1C_N 226 OPEN RA5202 T1C 106 T1C_N T1CLK_N 225 T1C_N T1CLK 105 T1CLK_N T1D_N 224 T1CLK_N T1CLK T1D 104 T1CLK T1E_N 223 OPEN RA5203...
  • Page 37 DIGITAL PWB CIRCUIT DIAGRAM (6/13) FRAME INTERPOLATE/ D2.5V2 LCD CONTROL/ BACKLIGHT CONTROL FRAME INTERPOLATE/ LCD CONTROL/ L5001 BACKLIGHT CONTROL OPEN ADQ0 ADQ0_1 ADQ0 L5011 OPEN ADQ1 ADQ1_1 RA5001 ADQ1 L5002 IC5001 ADQ2_1 ADQ2 JCC5070 ADQ2 OPEN IC5001 C5051 JCC5070 JCC5070 JCC5070 JCC5070 JCC5070...
  • Page 38 DIGITAL PWB CIRCUIT DIAGRAM (7/13) ASSY NO. : MODEL LIST SMX-0D001A : LT-42WX70EU LCA10900-01* LT-42WX70A, LT-42WX70G, D3.3LV LT-42WX70B, LT-42WX70AU LT-42WX70T SMX-0D002A : LT-42WX70J LCA10900-02* 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 SMX-0D003A : GD-42X1 LCA10900-03* D3.3V...
  • Page 39 DIGITAL PWB CIRCUIT DIAGRAM (8/13) DIGITAL INPUT DIGITAL PWB BLOCK (11/13) DIGITAL PWB DIGITAL PWB DIGITAL PWB DIGITAL PWB DIGITAL PWB (10/13) (3/13) (10/13) (13/13) DIGITAL PWB (5/13,7/13) (11/13) DIGITAL PWB (1/13, 7/13,11/13) STB3.3V ASSY NO. : MODEL LIST D3.3V SMX-0D001A : LT-42WX70EU LCA10900-01* LT-42WX70A, LT-42WX70G,...
  • Page 40 DIGITAL PWB CIRCUIT DIAGRAM (9/13) DIGITAL PWB ASS'Y(9/13) ASSY NO. : MODEL LIST SMX-0D001A : LT-42WX70EU LCA10900-01* LT-42WX70A, LT-42WX70G, LT-42WX70B, LT-42WX70AU LT-42WX70T SMX-0D001A SMX-0D002A : LT-42WX70J LCA10900-02* SMX-0D003A : GD-42X1 LCA10900-03* SMX-0D004A : GD-42X1E, LCA10900-04* GD-42X1U SDM_D0 SDM_D0 SDM_D1 SDM_D1 SDM_D2 SDM_D2 SDM_D3...
  • Page 41 DIGITAL PWB CIRCUIT DIAGRAM (10/13) DIGITAL PWB(8/13) 4mA 4mA 4mA 4mA ASSY NO. : MODEL LIST SMX-0D001A : LT-42WX70EU STB3.3V LCA10900-01* LT-42WX70A, LT-42WX70G, LT-42WX70B, LT-42WX70AU R7508 2.2k LT-42WX70T SMX-0D002A : LT-42WX70J LCA10900-02* R7504 SMX-0D003A : GD-42X1 2.2k LCA10900-03* SMX-0D004A : GD-42X1E, LCA10900-04* GD-42X1U DIGITAL PWB ASS'Y (10/13)
  • Page 42 DIGITAL PWB CIRCUIT DIAGRAM (11/13) DIGITAL PWB (1/13, 7/13, 8/13) DIGITAL PWB (8/13, 12/13) DIGITAL PWB DIGITAL (1/13, 2/13, 5/13, 8/13, 12/13) INPUT DIGITAL PWB DIGITAL PWB BLOCK DIGITAL PWB DIGITAL (9/13) (2/13) DIGITAL PWB(8/13), (8/13) DIGITAL INPUT BLOCK (8/13) DIGITAL PWB(8/13) DIGITAL PWB (8/13, 12/13)
  • Page 43 DIGITAL PWB CIRCUIT DIAGRAM (12/13) CN9101 QGA2013F1-15X LCD12V LCD12V STB5V LC9102 D3.3V NQR0450-001X DIGITAL PWB(8/13) POW_RST STB3.3V LC9133 C9109 C9110 C9203 NQR0415-005X OPEN C9105 C9107 R9123 MAIN_POW MAIN_POW OPEN LC9129 OPEN NQR0415-005X PFC_POW PFC_POW L9108 LC9134 NRSA63J-0R0X NQR0415-005X STB5V LC9135 MAIN POWER PWB C9244 NQR0415-005X...
  • Page 44 DIGITAL PWB CIRCUIT DIAGRAM (13/13) DIGITAL PWB(8/13) DIGITAL PWB(8/13) ASSY NO. : MODEL LIST SMX-0D001A : LT-42WX70EU LCA10900-01* LT-42WX70A, LT-42WX70G, LT-42WX70B, LT-42WX70AU LT-42WX70T SMX-0D002A : LT-42WX70J Q7702 LCA10900-02* OPEN D3.3V_L7101 Q7701 SMX-0D003A : GD-42X1 LCA10900-03* OPEN SMX-0D004A : GD-42X1E, LCA10900-04* GD-42X1U SIGN015308 TEST8 R7701...

  • Page 45: Signal Pwb Circuit Diagram

    SIGNAL PWB CIRCUIT DIAGRAM (1/2) AU_VCC STB3.3V OPEN R9103 R9104 K9001 0Ω NQR0499-002X CN0003 QGA2013F1-08X Q9102 Q9103 UN2212-X UN2212-X CN0007 OPEN D9104 ZD10 5V REG. MAIN POWER PWB LCD12V REG. AU_GND CN9006 AU_VCC R9002 C9104 4.7k R9020 C9108 C9012 0.022 0.0015 1/2W 220/16...
  • Page 46 SIGNAL PWB CIRCUIT DIAGRAM (2/2) 3.3V IC8001 M62320GP1-X R8011 0Ω SCL2 C6203 /6.3 R8003 C6204 SDA2 0.01 R6204 R6201 R8004 R8012 OPEN AMP_FLT R8005 (AMP_FLT) R6203 OPEN 8.2k ADC_RESET R8007 (ADC_RST) LIP_0A R6202 4.7k OPEN IC6201 MM3272FN-X SW_CTR1 LIP_0B R6205 Q6201 2SC3928A/QR/-X C6205...

  • Page 47: Main Power Pwb Circuit Diagram

    MAIN POWER PWB CIRCUIT DIAGRAM C9591 H9551 OPEN CN9001 LC43176-001A QGA3901F1-05 390V GND3 GND2 D9562 PFC POWER PWB EC30HA04-X PGND 3 GND1 CN9102 SGND Q9551 R9556 R9557 TK10A60D H9601 T9501 LC34578-001A C9566 QQS0442-001 220p/2kV D9565 1/2W 1/2W SW TRANSF R9555 KDZ15B-X 100k 1/4W...

  • Page 48: Pfc Power Pwb Circuit Diagram

    PFC POWER PWB CIRCUIT DIAGRAM LCD INVERTER-1 CN9101 QGA7901F1-02 BRIDGE DIODE L9504 D9002 D25XB60 Y9001 OPEN K9502 K9501 SG9004 OPEN NQR0621-002Z NQR0621-002Z QAF0089-302Z VA9001 R9001 Y9501 OPEN QAF0060-621 470k Y9002 QRZ0107-474Z OPEN TH9001 PFC COIL QAD0174-250 Y9502 GND1 GND1 CN9010 LF9001 LF9002 LF9003...

  • Page 49: Ac Inlet Pwb Circuit Diagram

    AC INLET PWB CIRCUIT DIAGRAM Y9011 OPEN Y9012 OPEN SW9011 QSW1272-001 CN9011 QGA7901F1-02 PFC POWER PWB LF9011 CN9010 OPEN J9011 QNC0120-001 Y9013 F9011 OPEN QMF5AD2-6R3-J1 Y9014 OPEN AC INLET C9102 C9101 OPEN QCZ9071-471 AC INLET PWB ASS'Y SMX-9801A c40144001a001_0331_1/1_0.0 (No.YA700<Rev.001>)2-43 2-44(No.YA700<Rev.001>)

  • Page 50: Side Pwb Circuit Diagram

    SIDE PWB CIRCUIT DIAGRAM VCC_+5V ASSY NO. : MODEL LIST SMX-7001A SIDE PWB ASS'Y OLLC15913 : LT-42WX70EU LT-42WX70A LT-42WX70G LT-42WX70B LT-42WX70AU LT-42WX70T LT-42WX70J SMX-7001A GD-42X1 IC1002 GD-42X1E GD-42X1U M24C02-WDW6-X C1001 R1003 0 Ω TP1001 OPEN for HDMI TP1002 OPEN TP1003 OPEN TP1004 OPEN...

  • Page 51: Led Pwb Circuit Diagram

    LED PWB CIRCUIT DIAGRAM C8755 OPEN CN8701 QGA1217F1-06X STB5V R8714 R8717 POWER_LED DIGITAL PWB(11/13) CN7404 STB3.3V EE-CDS Q8705 REMOCON RT1P440C-X Q8709 RT1N241C-X POWER LED [BLUE] D8706 MA8068-X D8702 SLR343BC7T-T POWER D8707 MA8068-X EE SENSOR C8754 OPEN IC8751 R8751 S9648-100 270k EE (SMART) SENSOR R8752...

  • Page 52: Capsens Pwb Circuit Diagram

    CAPSENS PWB CIRCUIT DIAGRAM D7703 MA111-X BZ7701 CN7702 NAN0005-001X QGA1501C5-05W ISSP_DATA ISSP_CLK R7718 OPEN XRES R7720 R7719 R7711 CN7701 QGA1217C2-08X SHEILD_GND R7724 SCL1 NRSA63J-0R0X K7701 SDA1 NQR0599-003X SIGNAL PWB(1/2) D7704 R7714 STB3.3V R7723 OPEN CN0005 R7713 XRES I2C_SDA IC7701 SENS_HOST C7703 R7707 R7712...

  • Page 53: Pattern Diagrams

    PATTERN DIAGRAMS DIGITAL PWB PATTERN [SOLDER SIDE] R8437 IP124 IP122 IP119 IP118 IP116 IP114 IP112 IP109 IP108 IP103 IP101 IP99 IP97 IP95 IP93 IP91 IP89 IP87 IP85 IP123 IP121 IP120 IP117 IP115 IP113 IP111 IP110 IP107 IP104 IP102 IP100 IP98 IP96 IP94 IP92...
  • Page 54 DIGITAL PWB PATTERN [PARTS SIDE] 30 31 1 2 3 C7959 K7911 C3007 R7939 RA7901 Q3002 Q3001 R9102 R9101 C3035 R9107 R3035 C9115 R9104 R9103 R3012 R3011 R9106 C9116 C9102 R9105 C3045 C9111 C9117 R9114 C9112 R3071 IC9110 R9116 C3070 C6012 D9101 D9102...

  • Page 55: Signal Pwb Pattern

    SIGNAL PWB PATTERN [SOLDER SIDE] LCB90887 -001B SIGNAL PWB C8202 R9020 MARK R8205 R8201 R8206 R8206 R8203 R8203 C8203 R8204 R8204 C8105 C8107 C8106 R8104 R9019 R9019 R9104 R8105 C2424 C2424 C2401 C2402 R8106 C2423 R9111 R9111 C2422 C2402 R8107 C2422 R9012 R9012...
  • Page 56 SIGNAL PWB PATTERN [PARTS SIDE] CN0002 CN0003 C6005 CN0007 K9201 CN0002 CN0007 K9201 C9102 R9101 C9101 R9102 C9003 R9016 K6008 C9202 C9201 C9201 L9002 RA2401 R9001 K6007 R8202 C9202 R8202 R9005 R9005 K6012 C9002 RA2401 C6017 C9107 L9101 Q9002 R8108 IC9001 TP2401 R2401...

  • Page 57: Main Power Pwb Pattern

    MAIN POWER PWB PATTERN [SOLDER SIDE] CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S) AND ROHM'S MFR'S TYPE CP(S). H9601 C9801 C9814 R9817 R9817 R9818 R9818 IC9601 R9811 R9802 R9811 R9813 C9812 Q9701 R9813 C9812...
  • Page 58 MAIN POWER PWB PATTERN [PARTS SIDE] CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S) AND ROHM'S MFR'S TYPE CP(S). C9522 #PC00028 #PC00029 C9521 R9815 R9604 R9814 C9522 R9814 #PC00030 LCA10903- R9608 #PC00027 C9813 C9813 IC9601...

  • Page 59: Pfc Power Pwb Pattern

    PFC POWER PWB PATTERN [SOLDER SIDE] CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S) AND ROHM'S MFR'S TYPE CP(S). W9101 W9101 W9102 W9102 D9218 R9221 IP27 D9204 C9213 IP21 R9206 IP78 IP43 IP94 IP50 D9218...
  • Page 60 PFC POWER PWB PATTERN [PARTS SIDE] CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S) AND ROHM'S MFR'S TYPE CP(S). #PC00047 #PC00046 #PC00048 R9909 R9908 R9901 R9221 R9907 R9221 C9213 #PC00012 #PC00024 #PC00013 #PC00033 C9206 D9514...

  • Page 61: Ac Inlet Pwb Pattern

    AC INLET PWB PATTERN [SOLDER SIDE] LED PWB PATTERN [SOLDER SIDE] CAUTION : FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH SAME TYPE AND RATED FUSE(S) AND ROHM'S MFR'S TYPE CP(S). LCB90882 -001C R8755 MARK AC INLET PWB R8753 R8751 C8754 SW9011...

  • Page 62: Voltage Charts

    VOLTAGE CHARTS <DIGITAL PWB> <SIDE PWB> [P.2-9 - P.2-10] [P.2-15 - P.2-16] [P.2-45 - P.2-64] MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE DC (V) DC (V) DC (V) DC (V) DC (V) DC (V) DC (V) DC (V)

  • Page 63: Waveforms

    WAVEFORMS DIGITAL PWB(1/13) IC3001-94 IC3001-96 IC3001-98 0.6 Vp-p 0.5 Vp-p 0.5 Vp-p DIGITAL PWB(7/13) IC5121-7 IC5121-8 IC5141-7 IC5141-8 3.0 Vp-p 3.0 Vp-p 3.0 Vp-p 3.0 Vp-p (No.YA700<Rev.001>)2-71 2-72(No.YA700<Rev.001>)
  • Page 64 Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA700<Rev.001>) Printed in Japan...

  • Page 65: Parts List

    PARTS LIST CAUTION The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the  safety. The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied. P.W.
  • Page 66 DIGITAL P.W. BOARD ASS'Y (SMX-0D001A) ....................3-11 REMOTE CONTROL UNIT PARTS LIST (RM-C2420-1C, RM-C2410-1C, RM-C2400-1C) ........3-17 PACKING ................................... 3-18 PACKING PARTS LIST ............................. 3-19 USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y No. P.W.B ASS'Y name LT-42WX70/APT LT-42WX70/AUPT LT-42WX70/BPT LT-42WX70/GPT LT-42WX70/TPT LT-42WX70EU/PP ←...

  • Page 67: Exploded View Parts List -1

    EXPLODED VIEW PARTS LIST -1  Ref.No. Part No. Part Name Description Local WJW0116-001A-E DIGITAL(LVDS) CABLE DIGITAL PWB CN5101-T-CON PWB WJW0117-001A-E DIGITAL(LVDS) CABLE DIGITAL PWB CN5102-T-CON PWB QLD0602-001-JET LCD PANEL ASSY Inc.3A-3Z LT-42WX70BPT  QLD0602-001-JMT LCD PANEL ASSY Inc.3A-3Z LT-42WX70APT,LT-42WX70AUPT,LT-42WX70GPT,LT-42WX70TPT ...
  • Page 68  Ref.No. Part No. Part Name Description Local LC33458-019A SOFT GASKET LT-42WX70APT,LT-42WX70EUPP,LT-42WX70GPT,LT-42WX70TPT LC33848-019A-C SOFT GASKET LT-42WX70AUPT,LT-42WX70BPT QYSBSFG3014MA TAP SCREW M3 x 14mm(x2) QYSPSPD3006ZA SCREW M3 x 6mm LC33458-075A SOFT GASKET LT-42WX70TPT LC34128-006A-C SOFT GASKET LT-42WX70TPT LC33965-018A ALUMINUM TAPE LT-42WX70TPT LC34128-020A-C SOFT GASKET LT-42WX70APT,LT-42WX70AUPT,LT-42WX70GPT LC34128-022A-C...

  • Page 69: Exploded View -1

    EXPLODED VIEW -1 IC5001 T-CON IC6001 SHIELD DIGITAL PWB (A side) 92 92 76 76 77 77 3J 3J 79 79 (No.YA700<Rev.001>)3-5...

  • Page 70: Exploded View Parts List -2

    EXPLODED VIEW PARTS LIST -2  Ref.No. Part No. Part Name Description Local QYSBSFG3014MA TAP SCREW M3 x 14mm(x6) LC34616-001A-C JOINT BRACKET LC13719-002A-C CONN ROD LC43206-001A-C SPEAKER UNIT (x2) LC22734-001A-C REAR SHEET LC43226-001A SPEAKER LABEL LT-42WX70APT,LT-42WX70AUPT,LT-42WX70GPT,LT-42WX70TPT LC43248-001B-H SPEAKER LABEL LT-42WX70BPT LC43226-001A-L SPEAKER LABEL LT-42WX70EUPP...

  • Page 71: Printed Wiring Board Parts List

    PRINTED WIRING BOARD PARTS LIST SIGNAL P.W. BOARD ASS'Y(SMX-1001A) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C6302 NCB31HK-104X C CAPACITOR 0.1uF 50V K C6303 NCB31HK-104X C CAPACITOR 0.1uF 50V K IC6001 STA333BW-X C6405 NCB11AK-106X...

  • Page 72: Side P.w. Board Ass'y (Smx-7001A)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6405 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J K6012 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J R6407 NRSA63J-101X MG RESISTOR 100Ω 1/16W J K6016 NQR0499-002X FERRITE BEADS R6408 NRSA63J-470X MG RESISTOR...

  • Page 73: Led P.w. Board Ass'y (Smx-8701A)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R7703 NRSA63J-561X MG RESISTOR 560Ω 1/16W J C9557 NDC31HJ-681X C CAPACITOR 680pF 50V J R7704 NRSA63J-561X MG RESISTOR 560Ω 1/16W J C9558 NCB11CK-225X C CAPACITOR 2.2uF 16V K R7705 NRSA63J-561X...

  • Page 74: Pfc Power P.w. Board Ass'y (Smx-9501A)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R9702 NRSA63J-103X MG RESISTOR 10kΩ 1/16W J D9204 SJPX-H6-W SI DIODE R9703 NRSA02J-4R7X MG RESISTOR 4.7Ω 1/10W J D9205 TL431/A/-T R9704 NRSA63J-202X MG RESISTOR 2kΩ...

  • Page 75: Ac Inlet P.w. Board Ass'y (Smx-9801A)

    DIGITAL P.W. BOARD ASS'Y (SMX-0D001A) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R9508 NRS12BJ-101W MG RESISTOR 100Ω 1/2W J R9509 NRS12BJ-470W MG RESISTOR 47Ω 1/2W J IC3001 ADV7800BSTZ1503 IC R9510 NRS12BJ-470W MG RESISTOR 47Ω...
  • Page 76 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C3045 NCBA1AK-104W C CAPACITOR 0.1uF 10V K C5043 NCBA1AK-104W C CAPACITOR 0.1uF 10V K C3046 NCBA1AK-104W C CAPACITOR 0.1uF 10V K C5044 NCBA1AK-104W C CAPACITOR 0.1uF 10V K C3058 NCBA1AK-104W...
  • Page 77 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C6002 NCBA1AK-104W C CAPACITOR 0.1uF 10V K C6904 NCB11AK-106X C CAPACITOR 10uF 10V K C6003 NCBA1AK-104W C CAPACITOR 0.1uF 10V K C6906 NCB11AK-106X C CAPACITOR 10uF 10V K C6004 NCB11AK-106X...
  • Page 78 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C9114 NCBA1CK-103W C CAPACITOR 0.01uF 16V K R3004 NRSA6AJ-0R0W MG RESISTOR 0Ω 1/16W J C9115 NCBA1CK-103W C CAPACITOR 0.01uF 16V K R3005 NRSA6AJ-0R0W MG RESISTOR 0Ω...
  • Page 79 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R5121 NRSA6AJ-101W MG RESISTOR 100Ω 1/16W J R7326 NRSA6AJ-0R0W MG RESISTOR 0Ω 1/16W J R5122 NRSA6AJ-101W MG RESISTOR 100Ω 1/16W J R7330 NRSA6AJ-101W MG RESISTOR 100Ω...
  • Page 80 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R9144 NRSA6AJ-153W MG RESISTOR 15kΩ 1/16W J RA5118 NRZ0080-0R0X NET RESISTOR 0Ω 1/16W J R9145 NRSA6AJ-0R0W MG RESISTOR 0Ω 1/16W J RA5126 NRZ0034-0R0W NET RESISTOR 0Ω...

  • Page 81: Remote Control Unit Parts List (Rm-C2420-1C, Rm-C2410-1C, Rm-C2400-1C)

    Ref No. Part No. Part Name Description Local L9103 NQLC8CM-150X COIL 15uH M L9104 NQR0562-002X CHOKE COIL L9105 NQLF3EM-100X COIL 10uH M L9106 NQLF3EM-100X COIL 10uH M L9107 NQR0413-001X FERRITE BEADS L9108 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J L9201 NQLF3EM-100X COIL 10uH M CN7903...

  • Page 82: Packing

    PACKING SPEAKER ASSY 3-18(No.YA700<Rev.001>)

  • Page 83: Packing Parts List

    PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local LC13727-001B-H PACKING CASE LT-42WX70APT,LT-42WX70AUPT,LT-42WX70BPT,LT-42WX70GPT,LT-42WX70TPT ------------ PACKING CASE Not supply LT-42WX70EUPP LC13728-001A-H CUSHION ASSY 2pcs in 1set LT-42WX70APT,LT-42WX70AUPT,LT-42WX70BPT,LT-42WX70GPT,LT-42WX70TPT ------------ CUSHION ASSY Not supply LT-42WX70EUPP RM-C2420-1C REMOTE CONTROL UNIT LT-42WX70APT,LT-42WX70TPT RM-C2410-1C REMOTE CONTROL UNIT LT-42WX70AUPT,LT-42WX70BPT,LT-42WX70GPT RM-C2400-1C...

This manual is also suitable for:

Lt-42wx70/bptLt-42wx70/tptLt-42wx70/gptLt-42wx70/auptLt-42wx70/pp

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