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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).
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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 ×...
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,...
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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.
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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.
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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.
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.
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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...
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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.
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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...
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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...
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. •...
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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].
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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...
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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.
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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...
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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...
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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.
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...
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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...
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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) •...
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...
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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.
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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...
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).
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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.
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 ........................
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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...
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>)
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...
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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,...
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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)
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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)
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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...
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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...
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>)
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...
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...
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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...
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...
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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...
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...
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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...
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.
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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 ←...
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...
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...
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...
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...
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...
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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...
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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...
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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...
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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...
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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...
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...