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JVC LT-46Z70BU Service Manual

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Download this manual See also: Instruction Manual
SERVICE MANUAL
10
2006
YA477
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22
LCD WIDE TELEVISION
LT-46Z70BU

TABLE OF CONTENTS

COPYRIGHT © 2006 Victor Company of Japan, Limited
/P
BASIC CHASSIS
FL4
No.YA477
2006/10

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  • Page 1: Table Of Contents

    LCD WIDE TELEVISION YA477 2006 LT-46Z70BU BASIC CHASSIS TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Items Contents Dimensions ( W × H × D ) 112.6 cm × 77.4 cm × 34.0 cm [Included stand] 112.6 cm × 72.2 cm × 12.1 cm [TV only] Mass 37.4 kg [Included stand] 30.9 kg [TV only] Power Input AC220V - AC240 V, 50 Hz Power Consumption...

  • Page 3: 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 4 INSTALLATION 1.2.1 HEAT DISSIPATION 1.2.3 INSTALLATION REQUIREMENTS If the heat dissipation vent behind this unit is blocked, cooling To ensure safety in an emergency such as an earthquake, and efficiency may deteriorate and temperature inside the unit will to prevent accidents, ensure that measures are taken to prevent rise.
  • Page 5 HANDLING LCD PANEL 1.3.1 PRECAUTIONS FOR TRANSPORTATION 1.3.2 OPTICAL FILTER (ON THE FRONT OF THE LCD PANEL) When transporting the unit, pressure exerted on the internal LCD (1) Avoid placing the unit under direct sunlight over a panel due to improper handling (such as tossing and dropping) prolonged period of time.

  • Page 6: Specific Service Instructions

    SECTION 2 SPECIFIC SERVICE INSTRUCTIONS SYSTEM SETTEING Be sure to carry out the following operation at the end of SERVICE MENU SCREEN the procedure. (1) Press the [INFORMATION] key and [MUTING] key simultaneously, then enter the SERVICE MODE. (2) When the Main Menu is displayed, press [2] key to enter SERVICE MENU SERVICE MENU the self check mode.
  • Page 7 21-PIN EURO CONNECTOR (SCART) : EXT-1 / EXT-2 Pin No. Signal designation Matching value EXT-1 EXT-2 AUDIO R output 500mV(rms) (Nominal), Low impedance Used (TV OUT) Used (LINE OUT) AUDIO R input 500mV(rms) (Nominal), High impedance Used (R1) Used (R2) AUDIO L output 500mV(rms) (Nominal), Low impedance Used (TV OUT)
  • Page 8 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 9 2.4.2 MAIN CPU PIN FUNCTION [IC7301 : DIGITAL PWB] Pin name Function Pin name Function Test purpose I/O Program ROM data for main CPU Test purpose I/O Program ROM data for main CPU Test purpose I/O Program ROM data for main CPU Test purpose VSS33 P2.8...

  • Page 10: Disassembly

    SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE CAUTION AT DISASSEMBLY: • Be sure to perform the SYSTEM SETTEING, at the end of the procedure. • Make sure that the power cord is disconnected from the outlet. • Pay special attention not to break or damage the parts. •...
  • Page 11 JACK COVER STAND COVER STAND REAR COVER SHIELD COVER SHIELD COVER SHIELD TERMINAL D-AMP PWB DIGITAL PWB D-AMP PWB BRACKET BACK BRACKET POWER CORD HOLDER POWER CORD SHIELD SHIELD BASE TERMINAL ANALOG PWB POWER PWB TUNER BASE DC-DC PWB TERMINAL BASE FRONT Fig.1 (No.YA477)1-11...
  • Page 12 3.1.8 REMOVING THE SPEAKER (Fig.2) 3.1.12 REMOVING THE SUB POWER PWB (Fig.2) • Remove the STAND. • Remove the STAND. • Remove the REAR COVER. • Remove the REAR COVER. (1) Remove the 6 screws [A]. (1) Remove the 4 screws [G]. (2) Remove the SPEAKER (L /R).
  • Page 13 BACK FRAME BRACKET MAIN BASE MAIN BRACKET (TOP) SUB POWER BRACKET SUB POWER STNAD BRACKET MAIN BRACKET (BOTTOM) FRAME BRACKET-2 FRAME BRACKET-1 FRAME BRACKET-1 LED PWB FRAME SPEAKER BRACKET-2 SW PWB FRONT SPEAKER FRONT PANEL CONTROL ASSY Fig.2 (No.YA477)1-13...
  • Page 14 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. 3.2.1 MEMORY IC TABLE Simbol Number of pins Mounting PWB Main content of data...
  • Page 15 3.2.4 SETTINGS OF FACTORY SHIPMENT 3.2.4.1 BUTTON OPERATION 3.2.4.2 REMOTE CONTROL DIRECT OPERATION Setting item Setting position Setting item Setting position POWER CHANNEL CHANNEL VOLUME VOLUME ZOOM Panoramic TV/AV 3.2.4.3 REMOTE CONTROL MENU OPERATION (1) PICTURE (4) FEATURES Setting item Setting position Setting item Setting position...
  • Page 16 REPLACEMENT OF CHIP COMPONENT 3.3.1 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. 3.3.2 SOLDERING IRON (1) Use a high insulation soldering iron with a thin pointed end of it.

  • Page 17: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION BASIC OPERATION OF SERVICE MODE (1) There are 2 ways of adjusting this TV : One is with the 4.5.1 HOW TO ENTER THE SERVICE MODE REMOTE CONTROL UNIT and the other is the (1) Press [INFORMATION] key and [MUTING] key on the conventional method using adjustment parts and remote control unit simultaneously to enter the SERVICE components.

  • Page 18: Adjustment Mode

    4.5.4 ADJUSTMENT MODE This mode is used to adjust the VIDEO CIRCUIT and the MTS CIRCUIT. 4.5.4.1 HOW TO ENTER THE ADJUSTMENT MODE When the SERVICE MENU SCREEN of SERVICE MODE is displayed, press [1] key to enter the ADJUSTMENT MODE. 4.5.5 DESCRIPTION OF STATUS DISPLAY (3) PICTURE MODE SOFT...
  • Page 19 INITIAL SETTING VALUES IN THE SERVICE MODE • Perform fine-tuning based on the "initial values" using the remote control when in the Service mode. • The "initial values" serve only as an indication rough standard and therefore the values with which optimal display can be achieved may be different from the default values.
  • Page 20 Item No. Item Variable range Setting value Item No. Item Variable range Setting value M088 1E57 00 - FF M146 1E91 00 - FF M089 1E58 00 - FF M147 1E92 00 - FF M090 1E59 00 - FF M148 1E93 00 - FF M091...
  • Page 21 Item No. Item Variable range Setting value Item No. Item Variable range Setting value M204 1ECB 00 - FF M221 1EDC 00 - FF M205 1ECC 00 - FF M222 1EDD 00 - FF M206 1ECD 00 - FF M223 1EDE 00 - FF M207...

  • 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 iagnosed as "Abnormal" and displayed and operational state of the circuit and displays/saves it during counted as "NG".
  • Page 23 5.1.6 DETAILS Self check is performed for the following items: <Page 1 of screen> Diagnosis Detection item Display Detection content Detection timing signal (line) Low bias line short Confirm the operation of the low bais (16V / 5V / LB_PRO Detection starts 3 seconds after protection LCD5V / 3.3V / 1.2V) protection circuit.
  • Page 24 Victor Company of Japan, Limited Display Category 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA477) Printed in Japan...

  • Page 25: 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 26 CONTENTS USING P.W. BOARD & REMOTE CONTROL UNIT ....................3-3 EXPLODED VIEW PARTS LIST -1 ..........................3-4 EXPLODED VIEW -1 ..............................3-5 EXPLODED VIEW PARTS LIST -2 ..........................3-6 EXPLODED VIEW -2 ..............................3-7 PRINTED WIRING BOARD PARTS LIST ........................3-8 ANALOG P.W.

  • Page 27: Using P.w. Board & Remote Control Unit

    USING P.W. BOARD & REMOTE CONTROL UNIT P.W.B ASS'Y name P.W.B ASS'Y No. ANALOG P.W.B SFL-1249B-U2 D-AMP P.W.B SFL-6221A-U2 SW P.W.B SFL-7209A-U2 LED P.W.B SFL-8717A-U2 MAIN POWER P.W.B SFL-9065A-U2 DC-DC P.W.B SFL-9172A-U2 SUB POWER P.W.B SFL-9713A-U2 DIGITAL P.W.B LCA10747-02B (SFL-0D551A) REMOTE CONTROL UNIT RM-C1900S-1C (No.YA477)3-3...

  • Page 28: Exploded View Parts List -1

    EXPLODED VIEW PARTS LIST -1  Ref.No. Part No. Part Name Description Local  101 LC12787-002A-0K JACK COVER LC42549-001A-C STAND BASE UNIT 102A T0172-01 STAND COVER 102B P0248-M9-02-01 SCREW (x2) LC42531-001A-C SUPPORT UNIT 103A P0244-M9-03-01 SCREW (x2) QYSPSPD5014MA SCREW M5 x 14mm(x4) QYSPSPD5014MA SCREW M5 x 14mm(x4)

  • Page 29: Exploded View -1

    EXPLODED VIEW -1 RATING LABEL 103A 102B 103A 102A SHIELD COVER D-AMP PWB BRACKET BACK BRACKET SHIELD BASE FRONT (No.YA477)3-5...

  • Page 30: Exploded View Parts List -2

    EXPLODED VIEW PARTS LIST -2  Ref.No. Part No. Part Name Description Local  151 QLD0434-003-JUK LCD PANEL UNIT WJZ0212-001B-E E-HARNESS ASSY MAIN POWER P-LCD PANEL UNIT WJW0055-001A-E DIGITAL(LVDS) CABLE DIGITAL CN0LV2-LCD PANEL UNIT QQR0490-001 NOISE FILTER  155 LC12793-006B-0K FRONT PANEL ASSY LC33407-001B-HK ILLUMINATE LENS...

  • Page 31: Exploded View -2

    EXPLODED VIEW -2 BACK FRAME BRACKET MAIN BASE MAIN BRACKET (TOP) SUB POWER BRACKET STNAD BRACKET MAIN BRACKET (BOTTOM) FRAME BRACKET-2 FRAME BRACKET-1 FRAME BRACKET-1 FRAME BRACKET-2 FRONT (No.YA477)3-7...

  • Page 32: Printed Wiring Board Parts List

    PRINTED WIRING BOARD PARTS LIST ANALOG P.W. BOARD ASS'Y (SFL-1249B-U2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D444 UDZW10B-X Z DIODE D445 UDZW10B-X Z DIODE IC101 R2S11004FT D446 UDZW10B-X Z DIODE IC102 R2S11003FT D447...
  • Page 33 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C185 NDC31HJ-820X C CAPACITOR 82pF 50V J C510 NEHL1CM-476X E CAPACITOR 47uF 16V M C187 NCB31CK-104X C CAPACITOR 0.1uF 16V K C511 NENA1CM-475X BP E CAPACITOR 4.7uF 16V M C189 NEHL1CM-106X...
  • Page 34 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C674 NDC31HJ-330X C CAPACITOR 33pF 50V J R157 NRSA63J-333X MG RESISTOR 33kΩ 1/16W J C675 NEHL1CM-106X E CAPACITOR 10uF 16V M R158 NRSA63J-0R0X MG RESISTOR 0Ω...
  • Page 35 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R405 NRSA63J-750X MG RESISTOR 75Ω 1/16W J R535 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R406 NRSA63J-680X MG RESISTOR 68Ω 1/16W J R536 NRSA63J-0R0X MG RESISTOR 0Ω...

  • Page 36: D-Amp P.w. Board Ass'y (Sfl-6221A-U2)

    D-AMP P.W. BOARD ASS'Y (SFL-6221A-U2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R761 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R764 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J IC6201 PQ20WZ11-X R765 NRSA63J-220X MG RESISTOR 22Ω...

  • Page 37: Sw P.w. Board Ass'y (Sfl-7209A-U2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6507 NRSA63J-562X MG RESISTOR 5.6kΩ 1/16W J S7701 QSW0619-003Z PUSH SWITCH R6601 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J S7702 QSW0619-003Z PUSH SWITCH R6602 NRSA63J-333X MG RESISTOR 33kΩ...
  • Page 38 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D9216 MA8330/M/-X Z DIODE R9213 NRSA63J-332X MG RESISTOR 3.3kΩ 1/16W J D9501 YG972S6R SI DIODE R9214 NRSA63J-102X MG RESISTOR 1kΩ 1/16W J D9502 RF101L2S-X SI DIODE R9215 NRSA63D-103X...

  • Page 39: Dc-Dc P.w. Board Ass'y (Sfl-9172A-U2)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local LF9002 QQR1281-005 LINE FILTER R9662 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J QQR1655-001 LINE FILTER R9663 NRSA02J-0R0X MG RESISTOR 0Ω 1/10W J LF9003 PC9202 PS2581AL2/QW/-W PHOTO COUPLER R9664 NRSA63J-100X...

  • Page 40: Digital P.w. Board Ass'y (Lca10747-02B) (Sfl-0D551A)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R9059 QRE141J-102Y C RESISTOR 1kΩ 1/4W J D9001 EC30HA03L-X SB DIODE R9060 QRL029J-152 OMF RESISTOR 1.5kΩ 2W J D9002 EC30HA03L-X SB DIODE R9071 QRG01GJ-821 OMF RESISTOR 820Ω...
  • Page 41 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C6296 NCB11AK-106X C CAPACITOR 10uF 10V K C6689 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C6297 NCB11AK-106X C CAPACITOR 10uF 10V K C6690 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z C6299 NCB31CK-104X...
  • Page 42 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C7313 NCF31CZ-104X C CAPACITOR 0.1uF 16V Z R6024 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J C7314 NCB11AK-106X C CAPACITOR 10uF 10V K R6025 NRSA63J-0R0X MG RESISTOR 0Ω...
  • Page 43 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R6277 NRSA63J-391X MG RESISTOR 390Ω 1/16W J R7051 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R6279 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R7052 NRSA63J-473X MG RESISTOR 47kΩ...
  • Page 44 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R7311 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R8650 NRSA63J-470X MG RESISTOR 47Ω 1/16W J R7312 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R8651 NRSA63J-470X MG RESISTOR 47Ω...
  • Page 45 Ref No. Part No. Part Name Description Local L6924 NQL79GM-220X COIL 22uH M L6925 NQL79GM-220X COIL 22uH M L6931 NQR0499-001X FERRITE BEADS L7301 NQR0489-002X FERRITE BEADS L7302 NQR0489-002X FERRITE BEADS L7303 NQL092K-4R7X P COIL 4.7uH K L7304 NQL092K-4R7X P COIL 4.7uH K L7305 NQL092K-4R7X...

  • Page 46: Remote Control Unit Parts List (Rm-C1900S-1C)

    REMOTE CONTROL UNIT PARTS LIST (RM-C1900S-1C)  Ref.No. Part No. Part Name Description Local 10032-0023000 BATTERY COVER PACKING FRONT PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local GA10002-093A-U PACKING CASE GA10174-076A-U EURO LABEL GA10169-004A-U CUSHION ASSY 4pcs in 1set GG30097-006A-H POLY BAG ------------...
  • Page 47 ENGLISH DEUTSCH FRANÇAIS NEDERLANDS CASTELLANO ITALIANO PORTUGUÊS LT-46Z70BU WIDE LCD PANEL TV INSTRUCTIONS 16:9 LCD TV BEDIENUNGSANLEITUNG TELEVISEUR A ECRAN LCD PANORAMIQUE MANUEL D’INSTRUCTIONS BREEDBEELD LCD TV GEBRUIKSAANWIJZING TELEVISOR CON PANEL LCD PANORÁMICO MANUAL DE INSTRUCCIONES TV LCD WIDESCREEN ISTRUZIONI TELEVISOR COM ECRÃ...
  • Page 48 This apparatus is in conformance with the valid European directives and standards regarding electromagnetic compatibility and electrical safety. European representative of Victor Company of Japan, Limited is: JVC Manufacturing U.K. Limited 2 Glenburn Road, College Milton Industrial Estate, East Kilbride G74 5BA United Kingdom...
  • Page 49 (Business users) conformément à la législation nationale. This symbol is only Ce symbole n’est If you wish to dispose of this product, please visit our web page www.jvc-europe.com to (Utilisateurs professionnels) valid in the European reconnu que dans obtain information about the take-back of the product.
  • Page 50 Unión é válido na União Si desea desechar este producto, visite nuestra página Web www.jvc-europe.com para Se pretender eliminar este produto, visite a nossa página da web em www.jvc-europe.com Europea. obtener información acerca de la retirada del producto.
  • Page 51 · Take a snapshot · View and search in multi-picture mode · “Sleep timer” / “Child lock”  Operate JVC recorders and other devices ··· 25 Just the way you like it  Customising your TV ······················ 27  Advanced picture adjustment ········· 29 ·...

  • Page 52: First Things First

    TV on your own! procedures. It may cause overheating or a fire.  TV. (Make appropriate JVC assumes no responsibility for  arrangements for Handle LCD panel damage due to improper mounting. In order to prevent accidents, bedridden people.)

  • Page 53: Getting Started

    Getting started Names of all the parts Mute Power On / Off Switch between TV/AV TV / AV devices MENU/OK Display on-screen Change channel / page menu / set Change channel / page Channel information Watch video, etc. (P. 21) Volume (P.

  • Page 54: Basic Connections

    JVC wall mounting unit Consult a qualified technician.  See the included manual on mounting procedures.  JVC assumes no responsibility for damage due to  Cable cover improper mounting. 400mm × 200mm mount which conforms to VESA ...

  • Page 55: Initial Settings

     (This will set up cable television channels.) “What is “ACI” (Automatic Channel Installation)?”  (P. 34)  If the “JVC” logo does not appear or if you wish to make changes later “Language” and “Auto Program”  (P. 28)

  • Page 56: Editing Channels

    Editing channels Edit the channels registered with “Auto Program” in “Initial settings” (P. 9) 1 Begin 2 Select a destination 3 Finish Move a When coming from “Initial settings” (P. 9), skip to ⁄. channel’s >Edit > Edit select CH/CC CH/CC position BBC1...

  • Page 57: Connecting External Devices

    Connecting external devices VCR / DVD / other devices You can connect many different devices to the rear panel of the TV.  Connect “DVI” devices Please read the user manuals of each device before setting up. (P. 34)  : signal direction (Connecting cables are not supplied with this TV.) ...

  • Page 58: Let's Try It Out

    Let’s try it out Enjoying your new TV! Watching PAGE Watching TV videos / DVDs PAGE  View channel information  Watch high quality video (S-VIDEO)  Change the aspect ratio  Name connected devices  Enjoy “3D Cinema Sound” ...

  • Page 59: Watching Tv

    Watching TV Set to “TV” PR List PR List Channel information  Mute  Channels BBC1 registered in Channel Time (in case of having viewed teletext) 12 : 00 “Initial settings” will information and appear here. Power on clock (No indication) select 1 select INFORMATION...

  • Page 60: Viewing Teletext

    Viewing teletext This TV can display TV broadcasts and teletext on the same channel in two windows. Hold the current page When watching TV Hold the current page HOLD  Release  Press “ ” again TEXT Enter a teletext page Display hidden information (answers to quizzes, etc.) Reveal...

  • Page 61: Watching Videos / Dvds

    Operate the connected device and play a video 1 select 1 select Set Up Auto Program Edit/Manual Language  Operate JVC recorders and other devices (P. 25) Decoder(EXT-2) Component Auto Select EXT Setting HDMI Setting PC Position Set Up 2 next...

  • Page 62: Useful Functions

    Try the advanced features Useful functions Display “Features” menu Current programme “Customising your TV” (P. 27)  Take > Features 1 select “Sleep Timer” snapshots Sleep Timer of the screen Child Lock Appearance Type A Still picture  Cancel Blue Back Set a time Favourite Setting Illumination...
  • Page 63 Some models of JVC devices cannot be operated with this   Display the subtitle Press “ ”  remote control. JVC DVD recorders and HDD recorders are set to code “C” or  Mute  Press “ ”  “3” by default.

  • Page 64: Just The Way You Like It

    Just the way you like it Customising your TV Display the menu bar Menu Item Adjustments / Configurations Picture Mode Picture mode (Bright / Standard / Soft) Selected menu’s title Bright-1 Backlight brightness (Darker  Brighter) Picture Picture Contrast Contrast (Lower  Higher) Sound Bright-2 Brightness (Darker ...

  • Page 65: Advanced Picture Adjustment

    Advanced picture adjustment By default, the TV automatically adjusts itself for the best picture. Auto Super natural-looking : Function is : When the picture : When : Automatically Display the menu bar DigiPure Auto Super DigiPure turned off loses sharpness noise appears adjusts outlines...

  • Page 66: When You Have Trouble

    When you have trouble Troubleshooting Problem Actions page Severe noise or snow Remote control – Unplug TV, several minutes later plug it in again.  stops working Aspect ratio changes  Press “ ” to return to your settings. unintentionally ...

  • Page 67: Technical Information

    Technical information Troubleshooting (continued) What is “T-V LINK”? Problem Actions page “T-V LINK” allows the TV to share information easily with a connected “T-V LINK” compatible device. By using T-V LINK : You can send the channel information programmed on the TV to the “T-V LINK” compatible device, so that ...
  • Page 68 Technical information (continued) Auto in “Zoom” What is “HDMI CEC”? When “Auto” is selected in Zoom, the aspect ratio will turn to the ratio obtained from the information the TV HDMI CEC (Consumer Electronics Control) allows the TV to connect and control multiple HDMI CEC enabled received.

  • Page 69: Ch/Cc" List

    To use the INSERT function (P. 11), find the “CH/CC” number corresponding to the TV’s Channel number from this Main unit table. When the Country setting is “France”, select a three-digit CH/CC number.  Model LT-46Z70BU Channel Channel Channel Channel Broadcasting systems CCIR I / B / G / D / K / L (See “Technical information”, P.
  • Page 70 SCHEMATIC DIAGRAMS LCD WIDE TELEVISION LT-46Z70BU CD-ROM No.SML200610 BASIC CHASSIS COPYRIGHT © 2006 Victor Company of Japan, Limited. No.YA477 2006/10...

  • Page 71: Standard Circuit Diagram

    LT-46Z70BU 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. For continued safety replace safety ciritical : Polypropylene capacitor components only with manufactures recommended parts.
  • Page 72 LED PWB PATTERN ..........................2-74 D-AMP PWB PATTERN ..........................2-74 SUB POWER PWB PATTERN ........................2-75 VOLTAGE CHARTS .................. 2-77 WAVEFORMS .................... 2-79 USING P.W. BOARD PWB ASS'Y name LT-46Z70BU/P ANALOG P.W. BOARD SFL-1249B-U2 D-AMP P.W. BOARD SFL-6221A-U2 SW P.W. BOARD SFL-7209A-U2 LED P.W.

  • Page 73: Wiring Diagram

    WIRING DIAGRAM DC-DC PWB CN00S CN10F D-AMP PWB LCD PANEL UNIT (INVERTER PWB:CN401) CN0DC CN0ID LCD PANEL UNIT CN000W SPEAKER(R) SPEAKER(L) (INVERTER PWB:CN101) CN0LV2 CN001 LCD PANEL UNIT ANALOG PWB (CONTROL PWB:CON1) CN002 CN001 DIGITAL PWB CN002 ANALOG TUNER F9001 250V/6.3A POWER CORD CN100R...

  • Page 74: Block Diagram

    BLOCK DIAGRAM IC3501 ANALOG SIGNAL PWB DIGITAL PWB MULTI SOUND PROCESS SIF_OUT IC6101 SD_DQ1-32 DEMOD. BASS HDMI TU3001 DDR-SDRAM DIGITAL IN MONO U/V FRONTEND DV1_R0-7 <EXT-5> DV1_G0-7 HDMI TV_MAIN DRIVER DV1_B0-7 A0-21 IC7201 SOUND HDMI D0-15 FLASH ROM SELECT DIGITAL IN IC6001 <EXT-6>...

  • Page 75: Circuit Diagrams

    CIRCUIT DIAGRAMS ANALOG PWB CIRCUIT DIAGRAM (1/6) SHEET 1 CN0UA OPEN CN0UV OPEN IC103 OPEN R268 OPEN R269 OPEN R270 OPEN R271 OPEN R272 OPEN R273 OPEN OPEN R274 OPEN R584 OPEN R585 OPEN CNCV1 CNCV2 R713 OPEN R714 OPEN C144 1/16 OPEN...
  • Page 76 ANALOG PWB CIRCUIT DIAGRAM (2/6) SHEET 2 ANALOG PWB ASS'Y(2/6) SFL-1249B-U2 PC_DET PC_HS PC_VS D464 R475 D465 C469 R476 D466 C468 100p 100p D411 J403 J403 J403 J403 J403 C409 V3_YIN SHEET 3 PC_DET D412 R410 PC_VS C410 V3_CIN PC_HS R411 R461 PC_R...
  • Page 77 ANALOG PWB CIRCUIT DIAGRAM (3/6) SHEET 3 ANALOG PWB ASS'Y(3/6) TU3001 OPEN OPEN TU3002 OPEN TU3002 UD3001 OPEN R388 OPEN SFL-1249B-U2 R394 OPEN R3019 OPEN OPEN R3040 R3020 OPEN R3039 R3021 OPEN R3038 R3022 OPEN R3037 R3023 OPEN R3036 L3508 R3024 OPEN R3035...
  • Page 78 ANALOG PWB CIRCUIT DIAGRAM (4/6) SHEET 4 ANALOG PWB ASS'Y(4/6) SFL-1249B-U2 IC501 IC501 R504 R501 3.3k R505 C508 3.3k C506 .0082 C503 R591 OPEN OPEN .0022 C501 R592 OPEN OPEN R512 .022 R503 R595 OPEN OPEN 4.7k R596 OPEN OPEN R597 OPEN OPEN...
  • Page 79 ANALOG PWB CIRCUIT DIAGRAM (5/6) SHEET 5 IC661 OPEN C771 R771 R773 IC771 OPEN ANALOG PWB ASS'Y(5/6) X661 OPEN D771 OPEN R775 R777 C773 VCC12V K661 OPEN R653 5.6k 5.6k OPEN D771 C774 SFL-1249B-U2 R661 3.3k 3.3k OPEN R662 3.3k 3.3k OPEN R665...
  • Page 80 ANALOG PWB CIRCUIT DIAGRAM (6/6) SHEET 6 STB_5V STB3.3V BS_A9V BS_A5V VCC5 R912 OPEN IC902 L902 CN00H D903 C913 OPEN C905 C904 DC-DC PWB C906 CN00H SHEET 28 L903 C914 L906 C920 ANALOG PWB ASS'Y(6/6) SFL-1249B-U2 SDA3A5 SHEET 1,2,3,5 SCL3A5 MAIN_POW POW_GOOD SHEET 1...

  • Page 81: Digital Pwb Circuit Diagram

    DIGITAL PWB CIRCUIT DIAGRAM (1/16) SHEET 7 STB3.3V DIGITAL PWB ASS'Y(1/16) C7513 0.1/16 LCA10747-02B (SFL-0D551A) IC7502 Q7512 OPEN R7547 C7520 C7521 OPEN OPEN OPEN Q7511 OPEN R7549 OPEN R7544 Q7513 OPEN R7546 R7548 R7550 R7551 OPEN OPEN OPEN OPEN Q7514 OPEN Q7515 OPEN...
  • Page 82 DIGITAL PWB CIRCUIT DIAGRAM (2/16) SHEET 8 DIGITAL PWB ASS'Y(2/16) LCA10747-02B (SFL-0D551A) BS_9V BS_9V L8831 OPEN R8895 L8852 OPEN R8893 OPEN OPEN C8831 C8832 OPEN OPEN TV_MAIN_1 L8832 R8840 R8841 Q8831 OPEN OPEN OPEN OPEN SHEET 7 TV_MAIN TV_MAIN C8833 R8894 Q8837 R8832...
  • Page 83 DIGITAL PWB CIRCUIT DIAGRAM (3/16) SHEET 9 DIGITAL PWB ASS'Y(3/16) LCA10747-02B (SFL-0D551A) C8613 10/10 R8638 R8639 R8641 RA8604 OPEN C8614 OPEN C8615 OPEN R8614 OPEN RA8605 OPEN R8615 OPEN R8616 OPEN IC8603 R8617 CEC_LINE8 OPEN R8618 OPEN R8619 OPEN R8620 OPEN R8632 R8633...
  • Page 84 DIGITAL PWB CIRCUIT DIAGRAM (4/16) SHEET 10 SHEET 12,18 DIGITAL INPUT DIGITAL PWB ASS'Y(4/16) LCA10747-02B (SFL-0D551A) BS_5V K6403 K6401 OPEN OPEN SHEET 7,11,16,20 LB_POW LB_POW RA6403 IC6402 OPEN DV1_R0 OPEN DV1_R0 C6402 C6403 C6445 OPEN OPEN OPEN C6439 DV1_R1 DV1_R1 R6401 C6441 C6440...
  • Page 85 DIGITAL PWB CIRCUIT DIAGRAM (5/16) SHEET 11 DIGITAL PWB ASS'Y(5/16) LCA10747-02B (SFL-0D551A) SHEET 16 EXT3DON EXT3DON R6314 MAIN_CCD SHEET 21 R6306 C6303 OPEN R6310 IC6301 SUB_CCD1 0.1/16 Q6302 R6318 2.2k SN74AHCT1G08V-X OPEN BS_LOUT R6317 R6309 R6311 BS_ROUT R6307 OPEN OPEN BS_YOUT C6302 SHEET 18...
  • Page 86 DIGITAL PWB CIRCUIT DIAGRAM (6/16) SHEET 12 SHEET 21,22 MI_OSDYM SHEET 17,21,22 MI_OSDYS DIGITAL PWB ASS'Y(6/16) OSDB1 SHEET 22 OSDB2 R6017 OSDB3 SHEET 21,22 OSDB4 R6018 LCA10747-02B (SFL-0D551A) OSDB5 VCC3D IC6001 C6002 0.1/16 R6077 OPEN SHEET 17 OSDCK1 OSDCK1 IC6002 R6078 OPEN R6012...
  • Page 87 DIGITAL PWB CIRCUIT DIAGRAM (7/16) SHEET 13 DIGITAL PWB ASS'Y(7/16) R6715 OPEN DD_OSDVS SHEET 12,21,22 DD_OSDHS LCA10747-02B (SFL-0D551A) R6714 OPEN VCC3D L6701 IC6001 C6701 R6712 R6713 C6705 OPEN R6706 OPEN C6707 R6707 R6701 OPEN OPEN C6708 OPEN R6702 OPEN C6709 OPEN R6703 OPEN...
  • Page 88 DIGITAL PWB CIRCUIT DIAGRAM (8/16) SHEET 14 DIGITAL PWB ASS'Y(8/16) LCA10747-02B (SFL-0D551A) RA6108 RA6107 C6111 RA6116 C6110 RA6115 C6109 C6108 0.1/16 OPEN 0.1/16 OPEN VTT0034 C6125 0.1/16 C6124 C6123 C6122 IC6102 C6139 0.1/16 SD_CKE R6106 SD_CKE_M R6117 CLK_SDNO R6107 CLK_SDNO_M R6118 R6116 SD_RAS_M...
  • Page 89 DIGITAL PWB CIRCUIT DIAGRAM (9/16) SHEET 15 DIGITAL PWB ASS'Y(9/16) RA7204 LCA10747-02B (SFL-0D551A) STB3.3V STB3.3V IC6001 R7201 R7202 IC7201 R7208 R7225 STB3.3V R7212 OPEN RA7205 C7209 0.1/16 STB3.3V R7228 R7221 OPEN R7211 R7226 R7223 R7227 OPEN OPEN R7224 RA7202 STB3.3V R7203 R7214 RA7203...
  • Page 90 DIGITAL PWB CIRCUIT DIAGRAM (10/16) SHEET 16 DIGITAL PWB ASS'Y(10/16) LCA10747-02B (SFL-0D551A) R7030 SHEET 18 VMUTE R7031 IC6001 SHEET 9,DIGITAL INPUT DIN_INT C7041 CLK_7001_3 OPEN R7032 SHEET 21,22 WAKE X7001 R7033 SHEET 9 DIN_HOTP CLK_7001_1 C7042 R7113 R7034 DIGITAL INPUT OPEN DIN_RST SHEET 21...
  • Page 91 DIGITAL PWB CIRCUIT DIAGRAM (11/16) SHEET 17 PL_SDA PL_SCL VCC3D VCC3.3LV SHEET 19 L6501 VCC3.3LV PL_SLE OPEN PL_PLE C6520 L6531 IC6001 CN0LV1 L6511 LVB5 520M_TA1-1 520M_TA1-2 LVB6 520M_TA1+1 520M_TA1+2 LVB7 520M_TB1-1 520M_TB1-2 C6513 520M_TB1+1 520M_TB1+2 RA6503 0.1/16 C6508 0.1/16 L6512 RA6541 520M_TC1-1 520M_TC1-2...
  • Page 92 DIGITAL PWB CIRCUIT DIAGRAM (12/16) SHEET 18 VCC3D IC6011 CLK_DV1 OPEN CN0BS OPEN VCC3D DV1_B0 BSY7 BSY6 DV1_Y7 IC6012 OPEN DV1_B1 R6064 OPEN BSY5 DV1_Y6 CN110 CN110 CN110 CN110 CN110 CN110 BSCLK_0 DV1_B2 BSCLK OPEN OPEN OPEN OPEN OPEN OPEN BSY4 DV1_Y5 R6065...
  • Page 93 DIGITAL PWB CIRCUIT DIAGRAM (13/16) SHEET 19 DIGITAL PWB ASS'Y(13/16) LCA10747-02B (SFL-0D551A) SHEET 17 ALARM R6615 OPEN SHEET 7,16 POW_LED R6617 OPEN PL_PLE SHEET 7,16 DIMMER PL_SLE R6601 OPEN SHEET 17 SHEET 17 I2CREADY PL_SDA PL_SCL CN0FC OPEN K6601 OPEN SHEET 20 LW_CK K6602...
  • Page 94 DIGITAL PWB CIRCUIT DIAGRAM (14/16) SHEET 20 BS_5V DIGITAL PWB ASS'Y(14/16) C6624 C6625 C6626 C6627 C6628 C6629 C6630 C6631 C6632 C6633 C6634 C6635 C6636 C6637 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 0.1/16 LCA10747-02B (SFL-0D551A) BS_9V STB3.3V C6677...
  • Page 95 DIGITAL PWB CIRCUIT DIAGRAM (15/16) SHEET 21 SHEET 11 DIGITAL PWB ASS'Y(15/16) OSDB5 OSDB5 OSDB4 OSDB4 LCA10747-02B (SFL-0D551A) OSDB3 OSDB3 SHEET 12,22 OSDG5 OSDG5 OSDG4 OSDG4 OSDG3 OSDG3 SHEET 16,22 OSDR5 WAKE WAKE OSDR5 OSDR4 OSDR4 OSDR3 OSDR3 STB3.3V R7624 OPEN DD_OSDVS IC7602...
  • Page 96 DIGITAL PWB CIRCUIT DIAGRAM (16/16) SHEET 22 SHEET 9 SHEET 9 SHEET 21 OPEN OPEN CN0MI CN0C3 CN0C2 OPEN STB_5V CN0ID R7356 R7319 R7320 C7325 0.01 SHEET 7 TVLINKOUT SHEET 21 MI_REQ SHEET 7 DIGITAL PWB ASS'Y(16/16) TVLINKIN R7370 OPEN SHEET 16,18 BS_RST BS_RST...

  • Page 97: Main Power Pwb Circuit Diagram

    MAIN POWER PWB CIRCUIT DIAGRAM (1/2) SHEET 23 SUB POWER PWB CN900D SHEET 29 CN000D Y9001 MAIN POWER PWB ASS'Y(1/2) OPEN C9002 Y9002 F9001 OPEN R9006 SFL-9065A-U2 CN0PW LF9001 LF9002 LF9003 POWER VA9001 CODE L9501 C9001 Y9003 OPEN R9001 Y9004 L9502 CP9501 OPEN...
  • Page 98 MAIN POWER PWB CIRCUIT DIAGRAM (2/2) SHEET 24 LCD PANEL UNIT LCD PANEL UNIT (INVERTER PWB CN101) (INVERTER PWB CN401) CN00P CN00Q GND5 K9557 C9561 L9551 Y9552 OPEN K9556 CP9551 D9555 GND5 K9552 Y9551 K9553 T9501 GND4 C9557 D9558 K9554 R9551 R9552 L9553...

  • Page 99: Led Pwb Circuit Diagram

    LED PWB CIRCUIT DIAGRAM SHEET 25 LED PWB ASS'Y SFL-8717A-U2 D8701 OPEN OPEN OPEN OPEN OPEN D8702 OPEN OPEN OPEN D8703 OPEN OPEN OPEN OPEN OPEN OPEN R8725 R8717 R8716 R8715 R8714 R8713 R8712 R8711 C8755 D8704 OPEN OPEN OPEN OPEN OPEN OPEN...

  • Page 100: Sw Pwb Circuit Diagram

    SW PWB CIRCUIT DIAGRAM SHEET 26 R7707 S7707 CN100R R7708 R7705 R7706 C7701 R7709 OPEN S7703 S7702 S7701 ANALOG PWB(1/6) CN00R SHEET 1 R7710 R7711 R7712 R7701 R7702 C7702 R7701 4.7K 5.6K 5.6K OPEN S7706 S7705 S7704 R7702 8.2K R7703 4.7K 5.6K 5.6K...
  • Page 101 D-AMP PWB CIRCUIT DIAGRAM SHEET 27 IC6201 AU_+VCC D-AMP PWB ASS'Y VCC12V Y6202 Y6201 R6206 OPEN SFL-6221A-U2 AU_-VCC AU_+VCC D6201 C6685 C6204 CN10F K6601 C6684 R6201 R6203 SUB POWER PWB CN900F C6201 C6202 R6205 C6205 K6602 SHEET 29 0.01 0.01 C6687 C6686 R6202...
  • Page 102 DC-DC PWB CIRCUIT DIAGRAM SHEET 28 CNCV3 OPEN OPEN DC-DC PWB ASS'Y Q9904 CN00Y OPEN OPEN OPEN SFL-9172A-U2 R9925 OPEN R9926 C9608 OPEN 0.0033 Q9905 R9603 OPEN 5.6k R9609 C9606 C9607 0.1/16 C9911 0.0022 OPEN CN00B OPEN C9612 IC9601 L9602 22/16 C9609 D9604...

  • Page 103: Sub Power Pwb Circuit Diagram

    SUB POWER PWB CIRCUIT DIAGRAM SHEET 29 Y9001 OPEN OPEN Y9002 L9053 LF9001 CN900D MAIN POWER PWB(1/2) CN00D R9021 SHEET 23 Y9003 OPEN Y9004 OPEN C9903 C9024 C9021 C9022 OPEN OPEN GND6 C9901 OPEN D9021 GND3 GND2 D9022 C9050 OPEN CN900F CP9001 CP9071...

  • Page 104: Pattern Diagrams

    PATTERN DIAGRAMS ANALOG PWB PATTERN [SOLDER SIDE] J403 J402 J401 C458 J406 J405 J410 C626 R642 R641 R632 C643 C640 R706 C641 R633 C630 C627 C652 C633 R634 R596 R699 R708 R636 R635 C634 C632 R705 D492 C653 R595 R698 R707 R697 C3536...

  • Page 105: Digital Pwb Pattern

    DIGITAL PWB PATTERN [SOLDER SIDE] CN7501 IP151 IP150 IP149 IP148 IP147 C6636 CN011 CN012 IP43 IP41 IP39 IP31 IP26 IP24 IP21 IP19 IP16 IP14 C9601 IP101 IP97 IP59 IP47 IP45 IP146 IP145 IP141 IP143 IP37 IP35 IP33 IP99 IP95 IP58 IP51 IP49 IP52...
  • Page 106 DIGITAL PWB PATTERN [PARTS SIDE] C6625 CN002 CN001 CN0FC C6679 C6677 C6678 C6643 C9602 C6627 C6215 C6216 C6214 C6213 C6212 C6210 C6209 C6208 C6207 C6206 C6204 C6203 C6202 C6201 C6226 C6225 C6224 C6223 C6222 C6221 C6690 R6605 C8617 Q8601 C8616 C6652 C6653 RA8605...

  • Page 107: Main Power Pwb Pattern

    MAIN POWER PWB PATTERN [SOLDER SIDE] MAIN POWER PWB PATTERN [PARTS SIDE] C9560 C9553 C9551 Q9221 D9563 C9221 C9563 D9559 C9221 D9560 C9551 C9560 L9553 C9553 C9563 R9226 C9559 R9225 R9224 R9221 D9221 R9553 C9559 R9552 R9565 C9557 D9554 C9552 R9552 R9565 C9552...

  • Page 108: Dc-Dc Pwb Pattern

    DC-DC PWB PATTERN [SOLDER SIDE] LED PWB PATTERN [SOLDER SIDE] R8713 R8715 IP95 IP94 IP93 D8713 IP92 IP91 IP90 IP89 R8711 R8712 R8716 R8717 D8705 IP88 IP87 IP86 IP85 IP84 IP83 IP82 IP81 Q8707 IP80 IP78 IP77 IP79 R9712 IP75 IP76 IP74 IP73...

  • Page 109: Sub Power Pwb Pattern

    SUB POWER PWB PATTERN (No.YA477)2-75 2-76(No.YA477)

  • Page 110: Voltage Charts

    VOLTAGE CHARTS <ANALOG PWB> <LED PWB> <DC-DC PWB> [P.2-7- P.2-8] [P.2-23- P.2-24] [P.2-27- P.2-28] [P.2-37- P.2-38] [P.2-45- P.2-46] [P.2-55- P.2-56] [P.2-61- P.2-62] MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE MODE...

  • Page 111: Waveforms

    WAVEFORMS ANALOG PWB (1/6) (SHEET ) IC101-45 IC101-49 IC101-57 IC101-79 0.8 Vp-p 0.8 Vp-p 0.8 Vp-p 0.8 Vp-p IC102-2 IC102-28 IC102-37 IC102-38 IC102-41 IC102-43 IC102-45 3.5 Vp-p 3.5 Vp-p 0.7 Vp-p 0.8 Vp-p 0.9 Vp-p 0.8 Vp-p 3.4 Vp-p ANALOG PWB (2/6) (SHEET ) TU3001-16 0.9 Vp-p...
  • Page 112 Victor Company of Japan, Limited Display Category 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama-city, kanagawa-prefecture, 221-8528, Japan (No.YA477) Printed in Japan...

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