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JVC LT-42Z49/AT Service Manual
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JVC LT-42Z49/AT Service Manual

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SERVICE MANUAL
8 S ERVICE MANUAL
YA708<Rev.002>
2009
LT-42Z49
LT-42Z49
LT-42Z49
LT-42Z49
COPYRIGHT © 2009 Victor Company of Japan, Limited
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-26
LCD COLOUR TELEVISION
, LT-42Z49
/AT
/EAT
/NASK
/SAT
<FU3 CHASSIS LINEUP>
No.YA702: LT-32EX19
No.YA704: LT-42EX19

TABLE OF CONTENTS

COPYRIGHT © 2009 Victor Company of Japan, Limited
, LT-42Z49
, LT-42Z49
, LT-42Z49
No.YA703: LT-32BX19
No.YA708: LT-42Z49
,
/BAT
,
/MAT
,
/RACK
/VAT
BASIC CHASSIS
FU3
2009/8

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Summary of Contents for JVC LT-42Z49/AT

  • Page 1: Table Of Contents

    SERVICE MANUAL LCD COLOUR TELEVISION YA708<Rev.002> 2009 8 S ERVICE MANUAL LT-42Z49 , LT-42Z49 /BAT LT-42Z49 , LT-42Z49 /EAT /MAT LT-42Z49 , LT-42Z49 /NASK /RACK LT-42Z49 , LT-42Z49 /SAT /VAT BASIC CHASSIS COPYRIGHT © 2009 Victor Company of Japan, Limited <FU3 CHASSIS LINEUP>...
  • Page 2 SPECIFICATION LT-42Z49/AT, LT-42Z49/BAT, LT-42Z49/EAT, LT-42Z49/NASK, LT-42Z49/SAT, LT-42Z49/VAT Items Contents Dimensions (W × H × D) [without stand] 101.4 cm × 69.5 cm × 27.9 cm [101.4 cm × 64.60cm × 10.90 cm] Mass [without stand] 20.0 kg [19.0 kg] Power Input...
  • Page 3 LT-42Z49/MAT Items Contents Dimensions (W × H × D) [without stand] 101.4 cm × 69.5 cm × 27.9 cm [101.4 cm × 64.60cm × 10.90 cm] Mass [without stand] 20.0 kg [19.0 kg] Power Input AC110V - AC240 V, 50 Hz / 60 Hz Power Consumption 160 W (Standby:1.3 W) TV RF System...
  • Page 4 LT-42Z49/RACK Items Contents Dimensions (W × H × D) [without stand] 101.4 cm × 69.5 cm × 27.9 cm [101.4 cm × 64.60cm × 10.90 cm] Mass [without stand] 20.0 kg [19.0 kg] Power Input AC110V - AC240 V, 50 Hz / 60 Hz Power Consumption 160 W (Standby:1.3 W) TV RF System...

  • Page 5: Precaution

    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 6 INSTALLATION 1.2.1 ATTACH THE STAND TO THE TV 1.2.3 INSTALLATION REQUIREMENTS When installing the unit on the floor, it is required to attach the Ensure that the minimal distance is maintained, as specified supplied stand. below, between the unit with and the surrounding walls, as well To attach the stand to the TV, follow the procedure below.
  • Page 7 1.2.4 NOTES ON HANDLING 1.3.2 OPTICAL FILTER (ON THE FRONT OF THE LCD PANEL) When taking the unit out of a packing case, do not grasp the (1) Avoid placing the unit under direct sunlight over a upper part of the unit. If you take the unit out while grasping the prolonged period of time.
  • Page 8 1.3.4 HOW TO CHECK THE OPERATING TIME This model has a function to count and record the LCD panel operating time. The operating time can be checked in the following procedure. • Maximum count time = 131072 hours (1) Press the [DISPLAY] key and [MUTING] key simultaneously, then enter the SERVICE MODE.

  • Page 9: Specific Service Instructions

    SD signals. Clear SD mode resolves disadvantage for COLOUR MANAGEMENT better picture quality. This function ensures dull colours are compensated to produce natural hues. MAIN DIFFERENCE LIST Item LT-42Z49/AT LT-42Z49/BAT LT-42Z49/EAT LT-42Z49/MAT Power Input AC110V - AC240V AC110V - AC240V...

  • Page 10: No.ya708)1

    HOW TO IDENTIFY MODELS Distinguish name is added at the bottom of the rating label. LT-42Z49 LT-42Z49 LT-42Z49 MODEL No. LT-42Z49AT LT-42Z49EAT LT-42Z49BAT LT-42Z49SAT LT-42Z49MAT LT-42Z49VAT 42Z49NA-SK 42Z49RA-SK 1-10 (No.YA708<Rev.002>)

  • Page 11: Input

    TECHNICAL INFORMATION 2.4.1 LCD PANEL This unit uses the flat type panel LCD (Liquid Crystal Display) panel that occupies as little space as possible, instead of the conventional CRT (Cathode Ray Tube), as a display unit. Since the unit has the two polarizing filter that are at right angles to each other, the unit adopts "normally black" mode, where light does not pass through the polarizing filter and the screen is black when no voltage is applied to the liquid crystals.

  • Page 12: Input

    2.4.2 MAIN CPU PIN FUNCTION [IC7001 : DIGITAL PWB] Pin name Function Pin name Function SMUX_AVSS SDVDD 3.3V power supply VREF1 Reference voltage setting VDD33BIAS 3.3V power supply VREF2 Reference voltage setting REFRIN Bias setting for LVDS SIF for VHF/UHF tuner VSS33GIAS SADC_AVDD33 3.3V power supply...
  • Page 13 Pin name Function Pin name Function 119 SDI Data for external flash memory 172 AVSSSL 120 CS Chip select for external flash memory 173 AVDDSL 3.3V power supply 121 RESET CPU reset [Reset=L] 174 ADCVDDMX33 3.3V power supply 122 VCCQ10 1.05V power supply 175 ADCVDDMX18 1.8V power supply...

  • Page 14: 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 15 POWER CORD COVER POWER CORD TERMINAL BASE REAR COVER DIGITAL PWB ANALOG PWB POWER PWB STAND TOP FRAME BOTTOM FRAME MAIN BASE LCD SUPPORT SW PWB BRACKET LCD PANEL UNIT CONTROL ASSY LCD SUPPORT BRACKET LCD SUPPORT BRACKET SPEAKER LED PWB REMOTE PWB SPEAKER FRONT...
  • Page 16 DISASSEMBLY PROCEDURE (LCD PANEL UNIT) 3.3.1 REMOVING THE LCD CONTROL PWB (Fig.3-2) 3.3.2 REMOVING THE INVERTER PWB (Fig.3-2) • Remove the REAR COVER. • Remove the REAR COVER. • Remove the STAND. (1) Remove the 6 screws [B]. • Remove the MAIN BASE. (2) Remove the INVERTER PWB COVER.
  • Page 17 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 TABLE Symbol Number of pins Mounting PWB Main content of data...
  • Page 18 Sensor Sensor Sensor Sensor 10.Panel Inch 42 inch 42 inch 42 inch 42 inch 3.4.3 SETTINGS OF FACTORY SHIPMENT [LT-42Z49/AT, LT-42Z49/BAT, LT-42Z49/EAT, LT-42Z49/NASK, LT-42Z49/SAT, LT-42Z49/VAT] 3.4.3.1 BUTTON OPERATION (2) SOUND Setting item Setting position Setting item Setting position Power STEREO / I•II...
  • Page 19 3.4.4 SETTINGS OF FACTORY SHIPMENT [LT-42Z49/MAT] 3.4.4.1 BUTTON OPERATION (2) SOUND Setting item Setting position Setting item Setting position POWER STEREO / I•II (Area-1) Stereo sound CHANNEL PR01 (Area-1) MTS (Area-2) Stereo CH 02 (Area-2) Sound Meister Dynamic VOLUME Treble TV/AV Bass Surround...
  • Page 20 3.4.5 SETTINGS OF FACTORY SHIPMENT [LT-42Z49/RACK] 3.4.5.1 BUTTON OPERATION (2) SOUND Setting item Setting position Setting item Setting position POWER Stereo CHANNEL CH 02 Sound Meister Dynamic VOLUME Treble TV/AV Bass Surround 3.4.5.2 REMOTE CONTROL DIRECT OPERATION Balance Centre Setting item Setting position Voice Enhancer CHANNEL...
  • Page 21 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 22: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION (1) This TV is adjusted by using REMOTE CONTROL UNIT. (2) The adjustment using the REMOTE CONTROL UNIT is made on the basic of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values. (3) Make sure that connection is correctly made AC to AC power source.
  • Page 23 4.4.5 ADJUSTMENT MODE PCVGA : PC VGA/60 This mode is used to adjust the VIDEO CIRCUIT. PCXGA : PC XGA/60 4.4.5.1 HOW TO ENTER THE ADJUSTMENT MODE PCSXGA : SXGA/60 When the SERVICE MENU SCREEN of SERVICE MODE is PCSVGA : PC SVGA/60 displayed, press [1] key to enter the ADJUSTMENT MODE.
  • Page 24 4.4.6 VSM PRESET MODE This mode is used to adjust the VSM. (1) SETTING ITEM NAME Setting item name are displayed. 4.4.6.1 HOW TO ENTER THE VSM PRESET MODE (2) PICTURE MODE When the SERVICE MENU SCREEN of SERVICE MODE is The picture mode name are dispalayed.
  • Page 25 ADJUSTMENT PROCEDURE 4.6.1 VIDEO CIRCUIT Measuring Item Adjustment part Description instrument WHITE BALANCE Remote [1.ADJUST] (1) Receive a PAL 75% all white signal. (HIGH LIGHT) control unit S001: R DRIVE MID (2) Set PICTURE MODE to "STANDARD". S002: G DRIVE MID (3) Set ZOOM to "FULL".

  • Page 26: Troubleshooting

    SECTION 5 TROUBLESHOOTING SELF CHECK FEATURE SERVICE MODE SCREEN 5.1.1 OUTLINE This unit comes with the "Self check" feature, which checks the operational state of the circuit and displays/saves it during failure.Diagnosis is performed when power is turned on, and information input to the main microcomputer is monitored at all SERVICE MENU Ver.xxx...
  • Page 27 5.1.6 DETAILS Self check is performed for the following items: Item Content Condition to detect LOB protect LOB protect detected? Start to detect 3sec after LOB is turned on. Power off if it is being NG for 200ms. Count is 0-9 EEPROM MEMORY Total count of I C error of EEPROM...
  • Page 28 Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA708<Rev.002>) Printed in Japan...
  • Page 29 SCHEMATIC DIAGRAMS LCD COLOUR TELEVISION LT-42Z49 , LT-42Z49 /BAT LT-42Z49 , LT-42Z49 /EAT /MAT LT-42Z49 , LT-42Z49 /NASK /RACK LT-42Z49 , LT-42Z49 /SAT /VAT DVD-ROM No.SML2009Q1 BASIC CHASSIS No.YA708<Rev.001> COPYRIGHT © 2009 Victor Company of Japan, Limited. 2009/6...
  • Page 30 LT-42Z49 , LT-42Z49 , LT-42Z49 , LT-42Z49 /BAT /EAT /MAT LT-42Z49 , LT-42Z49 , LT-42Z49 , LT-42Z49 /NASK /RACK /SAT /VAT 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 31 CONTENTS SEMICONDUCTOR SHAPES ..............2-4 WIRING DIAGRAM ..................2-5 BLOCK DIAGRAM..................2-7 CIRCUIT DIAGRAMS ...................2-9 ANALOG PWB CIRCUIT DIAGRAM ......................2-9 DIGITAL PWB CIRCUIT DIAGRAM ......................2-11 POWER PWB CIRCUIT DIAGRAM ......................2-17 SW PWB CIRCUIT DIAGRAM ........................2-21 LED PWB CIRCUIT DIAGRAM ......................... 2-23 REMOTE PWB CIRCUIT DIAGRAM ......................
  • Page 32 USING P.W. BOARD LT-42Z49/SAT P.W.B ASS’Y name LT-42Z49/EAT LT-42Z49/MAT LT-42Z49/AT ANALOG P.W. BOARD SFU-1601A-H2 SFU-7601A-H2 SW P.W. BOARD SFU-7606A-H2 REMOTE P.W. BOARD LED P.W. BOARD SFU-8601A-H2 POWER P.W. BOARD SFU-9602A-H2 SFU0D622A-H2 DIGITAL P.W. BOARD SFU0D632A-H2 SFU0D624A-H2 P.W.B ASS’Y name LT-42Z49/NASK...

  • Page 33: No.ya708

    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.YA708<Rev.001>)

  • Page 34: Wiring Diagram

    WIRING DIAGRAM POWER PWB CN10A CN00P CN10F LCD PANEL UNIT [INVERTER PWB] LCD PANEL UNIT [LCD CONTROL PWB] CN0LV CN00U CN00F F9001 CN00A 250V/6.3A CN0PW CN1002 CN002 POWER CORD CN0LR CN1001 CN001 CN00R DIGITAL PWB ANALOG PWB REMOTE CN700G CN700G CN700R LED PWB CN800U...

  • Page 35: Block Diagram

    BLOCK DIAGRAM ANALOG PWB DIGITAL PWB IC7001 MICROCOMPUTER/IF PROCESS/VIDEO PROCESS/AUDIO PROCESS/ TU1001 RGB PROCESS/A-D CONVERT/LVDS VHF/UHF TUNER TV_CVBS IC1001 LVDS_0+/- LVDS_1+/- VIDEO SELECT/ COMPOSITION LVDS_2+/- AUDIO SELECT LVDS_3+/- Y/C SEPARATE/ DIGITAL CLAMP/ CONVERT COLOUR DECODE SCALE CONVERT LCD PANEL V1_Y TV_CVBS V1_CV LED PWB...

  • Page 36: Circuit Diagrams

    SFU-1604A 32EX19CSB-SH (OLLC16127) 32EX19NB-SK CN10UV OPEN 32EX29CSB-SH 32EX29NB-SK ANALOG PWB ASS'Y 32Z49CSA-SH 32Z49NA-SK OPEN 42EX19CSA-SH 42EX19NA-SK SFU-1601A-H2 [LT-42Z49/AT, LT-42Z49/EAT, LT-42Z49/MAT, LT-42Z49/SAT, LT-42Z49/VAT] 42Z49CSA-SH 42Z49NA-SK SFU-1605A 32EX19RB-EPH (OLLC16203) SFU-1604A-H6 [LT-42Z49/NASK], SFU-1601A-H8 [LT-42Z49/BAT], 32EX19RB-PCK SFU-1606A 42Z49RA-PCK (OLLC16018-03) SFU-1606A-CK [LT-42Z49/RACK] ggs10034001a_0518_1/1_0.0 (No.YA708<Rev.001>)2-9 2-10(No.YA708<Rev.001>)

  • Page 37: Digital Pwb Circuit Diagram

    IC7006 C7025 0.1 DGND OPEN L7004 NQR0339-001X AGND (IC7006 is use for M25P80-VMN6P-X or same size only) L7010 [LT-42Z49/AT, LT-42Z49/EAT] DGND NQR0339-001X A3.3V_H_L7004 (Do not use with IC7003 at the same time) C7027 ASSY NO. - MODEL LIST D1.0V_L7010 HOLD...
  • Page 38 R6508 CN00R OPEN .022/16 OPEN C6507 SFU-0D630A 32Z49VA-SK QGA2001C6-11X . . . NEHL1CM-107X K6101 (OLLC16223-05) HP_L K6102 NQR0413-002X SFU0D622A-H2 [LT-42Z49/AT, LT-42Z49/EAT] BIAS HP_GND K6103 SFU-0D631A 32Z49SCA-SH HP_R . . . K6104 HP_DET (OLLC16223-06) 32Z49NA-SK R6509 C6505 R6512 MUTE SFU0D632A-H2 [LT-42Z49/MAT] OPEN .022/16...
  • Page 39 OPEN OPEN OPEN C9708 OPEN R9705 DIGITAL PWB ASS'Y(3/3) OPEN Q9701 OPEN AGND R9707 OPEN SFU0D622A-H2 AGND C9712 NEHL1HM-105X [LT-42Z49/AT, LT-42Z49/EAT] AGND LCD5V/LCD12V SFU0D632A-H2 [LT-42Z49/MAT] R9409 4.7K SFU0D624A-H2 [LT-42Z49/SAT] C9406 R9410 C9405 C9410 100K 100p 0.01 LCD12V C9409 R9402 0.1/50...

  • Page 40: Power Pwb Circuit Diagram

    SFU-9602A-H2 PC9202 470K OPEN Q9254 OPEN PS2581AL1/QW/ OPEN C9221 C9208 ERROR AMP OPEN 0.0022 IC9203 R9259 R9213 OPEN [LT-42Z49/AT, LT-42Z49/EAT, LT-42Z49/MAT, TL431/A/-T D9216 MA8150/M/-X D9217 C9207 D9215 MA8150/M/-X DGND NOTE MA8330/M/-X GND2 LT-42Z49/SAT, LT-42Z49/VAT, LT-42Z49/NASK] R9209 K9201 OPEN OPTION(NON MOUNT)
  • Page 41 Q9604 OPEN (OLLC16103-02) LT-42Z49BA POWER PWB ASS'Y(2/2) GND1 DGND SFU-9609A ... 42Z49RA-PCK (OLLC16103-03) SFU-9602A-H2 NOTE OPEN OPTION(NON MOUNT) NRSA63J-0R0X [LT-42Z49/AT, LT-42Z49/EAT, LT-42Z49/MAT, : NRSA02J-0R0X C9592 2SC1623A/5-6/-X QCZ9071-331 or 2SC3928A/QR/-X 2SA812A/5-6/-X or 2SA1530A/QR/-X KTC3199/YG/-T LT-42Z49/SAT, LT-42Z49/VAT, LT-42Z49/NASK] KTA1267/YG/-T 1SS133-T2 GND1 GND2...

  • Page 42: Sw Pwb Circuit Diagram

    SW PWB CIRCUIT DIAGRAM SW PWB ASS'Y SFU-7601-H2[LT-42Z49/AT, LT-42Z49/EAT,LT-42Z49/MAT,LT-42Z49/SAT,LT-42Z49/VAT] SFU-7604-H2[LT-42Z49/NASK] SFU-7601-H8[LT-42Z49/BAT] SFU-7610-CK[LT-42Z49/RACK] ASSY NO. - MODEL LIST SFU-7601A LT-32EX19A (OLLC16016) LT-32EX19B S7101 S7101 S7102 S7102 S7103 S7103 S7104 S7104 S7105 S7105 S7106 S7106 S7107 S7107 LT-32EX19EA QSW1131-001Z QSW1131-001Z QSW1131-001Z QSW1131-001Z...

  • Page 43: Led Pwb Circuit Diagram

    LED PWB ASS'Y LT-32BX19BA LT-32EX19A 32EX19RB-PCK SFU-8601A SFU-8601A SFU-8604A SFU-8605A SFU-8605A SFU-8606A SFU-8601-H2 OLLC16015 OLLC16144 OLLC16015 OLLC16015 OLLC16200 OLLC16144 [LT-42Z49/AT, LT-42Z49/EAT, LT-42Z49/MAT,LT-42Z49/SAT, LT-42Z49/VAT] R8902 4.7K 4.7K SFU-8603-H2[LT-42Z49/NASK] R8912 OPEN OPEN SFU-8601-H8[LT-42Z49/BAT] SELT5E20CS SELT5E20CS SELT5E20CS SLR343BC7 SLR343BC7 SELT5E20CS D8901 /EF/T /EF/T...

  • Page 44: Remote Pwb Circuit Diagram

    REMOTE PWB CIRCUIT DIAGRAM REMOTE PWB ASS'Y SFU-7606-H2 CN700G [LT-42Z49/AT, LT-42Z49/EAT,LT-42Z49/MAT,LT-42Z49/SAT,LT-42Z49/VAT] QJL001-072022-E SFU-7609-H2[LT-42Z49/NASK] HP_L HP_GND SFU-7606-H8[LT-42Z49/BAT] HP_R SW PWB SFU-7611-CK[LT-42Z49/RACK] CN700G HP_DET EE SENSOR C7301 KEY_1 OPEN KEY_2 IC7301 R7302 CN702R D7301 R7301 R7303 QGA2547C1-10 ZD5.6 HP_L ASSY NO. - MODEL LIST...

  • Page 45: Pattern Diagrams

    PATTERN DIAGRAMS ANALOG PWB PATTERN C1206 C1207 C1208 W1506 C1024 W1507 R1215 R1203 R1202 C1202 C1201 C1203 R1216 R1201 W1601 L1204 R1206 R1205 CN1001 CN1002 C1023 C1025 R1204 W1602 C1205 C1233 W1604 W1505 W1209 R1307 W1605 W1606 C1305 Q1201 W1204 C1129 W1402 C1130...

  • Page 46: Digital Pwb Pattern

    DIGITAL PWB PATTERN [SOLDER SIDE] CN0C2 K6107 TP8202 TP8302 C6520 K6109 R8301 Y7035 R8302 R8202 C6519 R8201 D8104 D8204 D8304 C6502 R8107 TP8102 C7157 R8030 Y7034 R8102 D8203 C7158 R8109 D8103 R8209 R8309 D8303 R8308 R8101 R8208 R8002 R6521 R8110 Q8301 R8310 C8103...
  • Page 47 DIGITAL PWB PATTERN [PARTS SIDE] R3002 IC9551 R7137 R7138 R3001 CN0LV R7139 R7140 R7141 R7146 Y7016 CN00F R3004 R7145 CN00U Q7005 Q7003 R9402 R7144 R7198 R7115 C9406 CN00D R9405 R9252 R7110 R7143 R7087 C9718 R9409 R9404 C9256 R7142 Y7015 R9255 C7121 R9410 R7086...

  • Page 48: Power Pwb Pattern

    POWER PWB PATTERN R9004 CN10F Q9002 D9005 R9008 W9101 W9712 CN10A D9007 D9006 ISOLATED W9505 W9213 W9 309 W9805 W9709 Q9001 W9102 Y9754 CN00A W9211 11 10 CN00F W9806 LIVE W9401 D9253 D9252 W9206 W9706 R9758 L9703 L9701 H9502 D9507 C9003 C9591 W9203...

  • Page 49: Sw Pwb Pattern

    REMOTE PWB PATTERN SW PWB PATTERN [LT-42Z49/AT, LT-42Z49/BAT, LT-42Z49/EAT, LT-42Z49/MAT, LT-42Z49/RACK, LT-42Z49/SAT, LT-42Z49/VAT ] [LT-42Z49/AT, LT-42Z49/BAT, LT-42Z49/EAT, LT-42Z49/MAT, LT-42Z49/RACK, LT-42Z49/SAT, LT-42Z49/VAT ] CL7001 CN702R D7301 D7302 C7307 R7305 CN701R CN700R J7001 L7002 R7001 ULMARK W7102 SW PWB D7101 GGB90033 -001CH...

  • Page 50: Remote Pwb Pattern

    VOLTAGE CHARTS <ANLOG PWB> [P.2-9 - P.2-10] MODE MODE MODE MODE MODE MODE MODE DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) DC ( V ) PIN NO.

  • Page 51: Waveforms

    WAVEFORMS ANALOG PWB IC1001-28 TU1001-13 IC1001-18 0.3Vp-p 1.8 Vp-p 0.1 Vp-p DIGITAL PWB(1/3) IC7001-113 IC7001-114 IC7001-166 (1µs) (1µs) 2.1 Vp-p 2.1 Vp-p 0.1 Vp-p 2-38(No.YA708<Rev.001>)
  • Page 52 Victor Company of Japan, Limited Display Division 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA708<Rev.001>) Printed in Japan...

  • Page 53: 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 54 USING P.W. BOARD & REMOTE CONTROL UNIT ....................3-3 EXPLODED VIEW PARTS LIST ..........................3-4 EXPLODED VIEW ............................... 3-5 PRINTED WIRING BOARD PARTS LIST [LT-42Z49/AT] [LT-42Z49/EAT] ............... 3-6 ANALOG P.W. BOARD ASS'Y (SFU-1601A-H2) ....................3-6 SW P.W. BOARD ASS'Y (SFU-7601A-H2) ....................... 3-7 REMOTE P.W.

  • Page 55: Using P.w. Board & Remote Control Unit

    DIGITAL P.W. BOARD ASS'Y (SFU0D634A-CK) ................... 3-41 REMOTE CONTROL UNIT PARTS LIST (RM-C2510-1C) ..................3-44 PACKING ................................... 3-45 PACKING PARTS LIST ............................. 3-46 USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y No. P.W.B ASS'Y name LT-42Z49/AT LT-42Z49/EAT LT-42Z49/MAT LT-42Z49/SAT ← ← ←...

  • Page 56: Exploded View Parts List

    EXPLODED VIEW PARTS LIST  Ref.No. Part No. Part Name Description Local WJW0090-002A-E DIGITAL(LVDS) CABLE DIGITAL CN0LV-LCD PANEL UNIT QAU0506-001 TUNER LT-42Z49NASK GG10597-003A-H REAR COVER LT-42Z49AT,LT-42Z49BAT,LT-42Z49EAT,LT-42Z49MAT,LT-42Z49RACK,LT-42Z49SAT,LT-42Z49VAT  GG10597-003A-HK REAR COVER LT-42Z49NASK  GG10561-013A-H FRONT PANEL LT-42Z49AT,LT-42Z49BAT,LT-42Z49EAT,LT-42Z49MAT,LT-42Z49SAT,LT-42Z49VAT  GG10561-013A-HK FRONT PANEL LT-42Z49NASK ...

  • Page 57: Exploded View

    EXPLODED VIEW <REAR COVER (INNER SIDE)> RATING LABEL <FRONT PANEL (INNER SIDE)> FRONT (No.YA708<Rev.001>)3-5...

  • Page 58: Printed Wiring Board Parts List [Lt-42Z49/At] [Lt-42Z49/Eat]

    PRINTED WIRING BOARD PARTS LIST [LT-42Z49 ] [LT-42Z49 /EAT ANALOG P.W. BOARD ASS'Y (SFU-1601A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C1202 NCB31HK-104X C CAPACITOR 0.1uF 50V K C1203 NCB31HK-104X C CAPACITOR 0.1uF 50V K IC1001 R2A11018FP...

  • Page 59: Sw P.w. Board Ass'y (Sfu-7601A-H2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R1146 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J D7302 RKZ5.6B2KG-X Z DIODE R1147 NRSA63J-333X MG RESISTOR 33kΩ 1/16W J R1148 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J C7302 QETN1HM-106Z E CAPACITOR...
  • Page 60 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D9508 1SS355W-X DIODE R9505 NRS181J-334X MG RESISTOR 330kΩ 1/8W J D9552 SD883-04-X SB DIODE R9506 NRSA63D-912X MG RESISTOR 9.1kΩ 1/16W D D9553 PTZ27B-X Z DIODE R9507 NRS12BJ-223W MG RESISTOR...

  • Page 61: Digital P.w. Board Ass'y (Sfu0D622A-H2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local QSK0162-001 RELAY C6116 NCB31HK-104X C CAPACITOR 0.1uF 50V K RY9002 QAD0174-250 P THERMISTOR 25Ω C6117 NCB21EK-224X C CAPACITOR 0.22uF 25V K TH9001 VA9001 QAF0028-621 VARISTOR 620V C6118...
  • Page 62 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C7061 NCB31HK-104X C CAPACITOR 0.1uF 50V K C9209 NCB31AK-105X C CAPACITOR 1uF 10V K C7066 NEHL0GM-227X E CAPACITOR 220uF 4V M C9231 NCB31AK-105X C CAPACITOR 1uF 10V K C7067 NCB31HK-104X...
  • Page 63 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6777 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J R7133 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R6779 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J R7134 NRSA63J-101X MG RESISTOR 100Ω...
  • Page 64 Ref No. Part No. Part Name Description Local L7008 NQR0339-001X FERRITE BEADS L7009 NQR0339-001X FERRITE BEADS L7010 NQR0339-001X FERRITE BEADS L7011 NQR0339-001X FERRITE BEADS L7012 NQR0339-001X FERRITE BEADS L7013 NQR0339-001X FERRITE BEADS L7014 NQR0339-001X FERRITE BEADS L7015 NQR0339-001X FERRITE BEADS L7016 NQR0339-001X FERRITE BEADS...

  • Page 65: Printed Wiring Board Parts List [Lt-42Z49/Mat]

    PRINTED WIRING BOARD PARTS LIST [LT-42Z49 /MAT ANALOG P.W. BOARD ASS'Y (SFU-1601A-H2) Ref No. Part No. Part Name Description Local REFER TO PARTS LIST IN PAGE 3-6 FOR THIS P.W. BOARD. D9251 EC30QSA045-X SB DIODE D9252 EC30QSA045-X SB DIODE D9401 EC30QSA045-X SB DIODE SW P.W.
  • Page 66 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C7027 NCB31HK-104X C CAPACITOR 0.1uF 50V K C7151 NEHL0GM-227X E CAPACITOR 220uF 4V M C7028 NEHL0GM-227X E CAPACITOR 220uF 4V M C7152 NCB11AK-106X C CAPACITOR 10uF 10V K C7030 NCB31CK-105X...
  • Page 67 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6515 NRSA63J-220X MG RESISTOR 22Ω 1/16W J R7075 NRSA63J-153X MG RESISTOR 15kΩ 1/16W J R6516 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R7076 NRSA63J-153X MG RESISTOR 15kΩ...
  • Page 68 Ref No. Part No. Part Name Description Local R9606 NRSA63J-392X MG RESISTOR 3.9kΩ 1/16W J R9607 NRSA63J-182X MG RESISTOR 1.8kΩ 1/16W J R9608 NRSA63J-183X MG RESISTOR 18kΩ 1/16W J R9610 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R9611 NRSA63J-472X MG RESISTOR 4.7kΩ...

  • Page 69: Printed Wiring Board Parts List [Lt-42Z49/Sat]

    PRINTED WIRING BOARD PARTS LIST [LT-42Z49 /SAT ANALOG P.W. BOARD ASS'Y (SFU-1601A-H2) Ref No. Part No. Part Name Description Local REFER TO PARTS LIST IN PAGE 3-6 FOR THIS P.W. BOARD. D9251 EC30QSA045-X SB DIODE D9252 EC30QSA045-X SB DIODE D9401 EC30QSA045-X SB DIODE SW P.W.
  • Page 70 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C7027 NCB31HK-104X C CAPACITOR 0.1uF 50V K C7151 NEHL0GM-227X E CAPACITOR 220uF 4V M C7028 NEHL0GM-227X E CAPACITOR 220uF 4V M C7152 NCB11AK-106X C CAPACITOR 10uF 10V K C7030 NCB31CK-105X...
  • Page 71 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6515 NRSA63J-220X MG RESISTOR 22Ω 1/16W J R7075 NRSA63J-153X MG RESISTOR 15kΩ 1/16W J R6516 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R7076 NRSA63J-153X MG RESISTOR 15kΩ...
  • Page 72 Ref No. Part No. Part Name Description Local R9606 NRSA63J-392X MG RESISTOR 3.9kΩ 1/16W J R9607 NRSA63J-182X MG RESISTOR 1.8kΩ 1/16W J R9608 NRSA63J-183X MG RESISTOR 18kΩ 1/16W J R9610 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R9611 NRSA63J-472X MG RESISTOR 4.7kΩ...

  • Page 73: Printed Wiring Board Parts List [Lt-42Z49/Vat]

    PRINTED WIRING BOARD PARTS LIST [LT-42Z49 /VAT ANALOG P.W. BOARD ASS'Y (SFU-1601A-H2) Ref No. Part No. Part Name Description Local REFER TO PARTS LIST IN PAGE 3-6 FOR THIS P.W. BOARD. D9251 EC30QSA045-X SB DIODE D9252 EC30QSA045-X SB DIODE D9401 EC30QSA045-X SB DIODE SW P.W.
  • Page 74 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C7027 NCB31HK-104X C CAPACITOR 0.1uF 50V K C7151 NEHL0GM-227X E CAPACITOR 220uF 4V M C7028 NEHL0GM-227X E CAPACITOR 220uF 4V M C7152 NCB11AK-106X C CAPACITOR 10uF 10V K C7030 NCB31CK-105X...
  • Page 75 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6515 NRSA63J-220X MG RESISTOR 22Ω 1/16W J R7075 NRSA63J-153X MG RESISTOR 15kΩ 1/16W J R6516 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R7076 NRSA63J-153X MG RESISTOR 15kΩ...
  • Page 76 Ref No. Part No. Part Name Description Local R9606 NRSA63J-392X MG RESISTOR 3.9kΩ 1/16W J R9607 NRSA63J-182X MG RESISTOR 1.8kΩ 1/16W J R9608 NRSA63J-183X MG RESISTOR 18kΩ 1/16W J R9610 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R9611 NRSA63J-472X MG RESISTOR 4.7kΩ...

  • Page 77: Printed Wiring Board Parts List [Lt-42Z49/Nask]

    PRINTED WIRING BOARD PARTS LIST [LT-42Z49 /NASK ANALOG P.W. BOARD ASS'Y (SFU-1604A-H6) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C1202 NCB31HK-104X C CAPACITOR 0.1uF 50V K C1203 NCB31HK-104X C CAPACITOR 0.1uF 50V K IC1001 R2A11018FP C1204...

  • Page 78: Sw P.w. Board Ass'y (Sfu-7604A-H2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R1146 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J R1147 NRSA63J-333X MG RESISTOR 33kΩ 1/16W J C7302 QETN1HM-106Z E CAPACITOR 10uF 50V M R1148 NRSA63J-222X MG RESISTOR 2.2kΩ...
  • Page 79 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D7008 RKZ5.6B2KG-X Z DIODE C7018 NCB31HK-104X C CAPACITOR 0.1uF 50V K D7009 RKZ5.6B2KG-X Z DIODE C7019 NCB20JK-106X C CAPACITOR 10uF 6.3V K D7010 RKZ5.6B2KG-X Z DIODE C7020 NCB31HK-104X...
  • Page 80 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C7141 NCB31HK-104X C CAPACITOR 0.1uF 50V K R6308 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J C7142 NCB31HK-104X C CAPACITOR 0.1uF 50V K R6309 NRSA63J-151X MG RESISTOR 150Ω...
  • Page 81 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R7063 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J R9410 NRSA63J-104X MG RESISTOR 100kΩ 1/16W J R7065 NRSA63D-682X MG RESISTOR 6.8kΩ 1/16W D R9501 NRSA63J-472X MG RESISTOR 4.7kΩ...
  • Page 82 Ref No. Part No. Part Name Description Local K9241 NQR0339-001X FERRITE BEADS K9251 NQR0339-001X FERRITE BEADS K9401 NQR0339-001X FERRITE BEADS K9402 NQR0339-001X FERRITE BEADS K9601 NQR0339-001X FERRITE BEADS X6661 NAX0932-001X CRYSTAL 12.288MHz X7001 NAX1051-001X CRYSTAL 36.864MHz X7002 NAX0983-001X CRYSTAL 27.000MHz 3-30(No.YA708<Rev.001>)

  • Page 83: Printed Wiring Board Parts List [Lt-42Z49/Bat]

    PRINTED WIRING BOARD PARTS LIST [LT-42Z49 /BAT ANALOG P.W. BOARD ASS'Y (SFU-1601A-H8) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C1202 NCB31HK-104X C CAPACITOR 0.1uF 50V K C1203 NCB31HK-104X C CAPACITOR 0.1uF 50V K IC1001 R2A11018FP C1204...

  • Page 84: Sw P.w. Board Ass'y (Sfu-7601A-H8)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R1146 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J R1147 NRSA63J-333X MG RESISTOR 33kΩ 1/16W J C7302 QETN1HM-106Z E CAPACITOR 10uF 50V M R1148 NRSA63J-222X MG RESISTOR 2.2kΩ...
  • Page 85 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D9552 SD883-04-X SB DIODE R9506 NRSA63D-912X MG RESISTOR 9.1kΩ 1/16W D D9553 PTZ27B-X Z DIODE R9507 NRS12BJ-223W MG RESISTOR 22kΩ 1/2W J D9554 PTZ27B-X Z DIODE R9508 NRSA63J-224X...

  • Page 86: Digital P.w. Board Ass'y (Sfu0D622A-H8)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local QAD0174-250 P THERMISTOR 25Ω C6117 NCB21EK-224X C CAPACITOR 0.22uF 25V K TH9001 QAF0028-621 VARISTOR 620V C6118 NCB31HK-104X C CAPACITOR 0.1uF 50V K VA9001 C6119 NCB11AK-106X C CAPACITOR 10uF 10V K...
  • Page 87 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C7066 NEHL0GM-227X E CAPACITOR 220uF 4V M C9231 NCB31AK-105X C CAPACITOR 1uF 10V K C7067 NCB31HK-104X C CAPACITOR 0.1uF 50V K C9232 NEHM1CM-106X E CAPACITOR 10uF 16V M C7068 NEHL0GM-227X...
  • Page 88 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6779 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J R7134 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R6780 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J R7135 NRSA63J-101X MG RESISTOR 100Ω...
  • Page 89 Ref No. Part No. Part Name Description Local L7009 NQR0339-001X FERRITE BEADS L7010 NQR0339-001X FERRITE BEADS L7011 NQR0339-001X FERRITE BEADS L7012 NQR0339-001X FERRITE BEADS L7013 NQR0339-001X FERRITE BEADS L7014 NQR0339-001X FERRITE BEADS L7015 NQR0339-001X FERRITE BEADS L7016 NQR0339-001X FERRITE BEADS L7017 NQR0339-001X FERRITE BEADS...

  • Page 90: Printed Wiring Board Parts List [Lt-42Z49/Rack]

    PRINTED WIRING BOARD PARTS LIST [LT-42Z49 /RACK ANALOG P.W. BOARD ASS'Y (SFU-1606A-CK) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C1201 QETN1HM-475Z E CAPACITOR 4.7uF 50V M C1202 NCB31HK-104X C CAPACITOR 0.1uF 50V K C1203 NCB31HK-104X C CAPACITOR...

  • Page 91: Sw P.w. Board Ass'y (Sfu-7610A-Ck)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R1145 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J D7301 RKZ5.6B2KG-X Z DIODE R1146 NRSA63J-222X MG RESISTOR 2.2kΩ 1/16W J D7302 RKZ5.6B2KG-X Z DIODE R1147 NRSA63J-333X MG RESISTOR 33kΩ...
  • Page 92 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D9507 MA8100/M/-X Z DIODE R9504 NRS181J-474X MG RESISTOR 470kΩ 1/8W J D9508 1SS355W-X DIODE R9505 NRS181J-334X MG RESISTOR 330kΩ 1/8W J D9552 SD883-04-X SB DIODE R9506 NRSA63D-912X MG RESISTOR...

  • Page 93: Digital P.w. Board Ass'y (Sfu0D634A-Ck)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local QSK0162-001 RELAY C6114 NCB31AK-105X C CAPACITOR 1uF 10V K RY9001 QSK0162-001 RELAY C6116 NCB31HK-104X C CAPACITOR 0.1uF 50V K RY9002 TH9001 QAD0174-250 P THERMISTOR 25Ω...
  • Page 94 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C7058 NCB31HK-104X C CAPACITOR 0.1uF 50V K C9206 NCB31AK-334X C CAPACITOR 0.33uF 10V K C7059 NCB31HK-103X C CAPACITOR 0.01uF 50V K C9207 NCB31AK-105X C CAPACITOR 1uF 10V K C7060 NCB31HK-102X...
  • Page 95 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6772 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J R7128 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J R6773 NRSA63J-0R0X MG RESISTOR 0Ω 1/10W J R7129 NRSA63J-102X MG RESISTOR 1kΩ...

  • Page 96: Remote Control Unit Parts List (Rm-C2510-1C)

    Ref No. Part No. Part Name Description Local L7004 NQR0339-001X FERRITE BEADS L7005 NQR0339-001X FERRITE BEADS L7006 NQR0339-001X FERRITE BEADS L7007 NQR0339-001X FERRITE BEADS L7008 NQR0339-001X FERRITE BEADS L7009 NQR0339-001X FERRITE BEADS L7010 NQR0339-001X FERRITE BEADS L7011 NQR0339-001X FERRITE BEADS L7012 NQR0339-001X FERRITE BEADS...

  • Page 97: Packing

    PACKING [LT-42Z49/RACK only] [Other models] STAND (No.YA708<Rev.001>)3-45...

  • Page 98: Packing Parts List

    PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local GG10595-004A-H PACKING CASE LT-42Z49AT,LT-42Z49BAT,LT-42Z49EAT,LT-42Z49MAT,LT-42Z49SAT,LT-42Z49VAT GG10638-004A PACKING CASE LT-42Z49NASK GG10359-014A-D PACKING CASE LT-42Z49RACK GG10611-001A-D CUSHION ASSY 4pcs in 1set LT-42Z49RACK RM-C2510-1C REMOTE CONTROL UNIT ------------ BATTERY AAA/R03(x2) GGT0312-001A-H INST BOOK English LT-42Z49AT,LT-42Z49SAT ...

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