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JVC LT-26AX5/S Service Manual
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JVC LT-26AX5/S Service Manual

JVC LT-26AX5/S Service Manual

Wide lcd panel television
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Table of Contents

  • English

  • Unknown

    • Wiring Diagram

    • Block Diagram
      • Main Pwb

    • Circuit Diagrams
      • Main Pwb Circuit Diagram
      • Power Pwb Circuit Diagram [Lt-26Ax5, Lt-26Ax5/S]
      • Power Pwb Circuit Diagram [Lt-32Ax5, Lt-32Ax5/S]

    • Pattern Diagrams
      • Main Pwb Pattern
      • Power Pwb Pattern

    • Waveforms
      • Cleaning the Screen
      • Setting up Your TV
        • Installation
        • Connecting Other Devices
          • Connecting the Aerial
          • Connecting the Pc
        • Cable Holder
        • Connecting the Power Cord to the AC Outlet
        • Putting the Batteries into the Remote Control
        • Initial Settings
      • TV Buttons and Functions
        • Turn the TV on from Standby Mode
        • Choose a TV Channel
        • Watch Images from External Devices
        • Adjust the Volume
        • Using the Menu
        • Connecting Headphones
        • Using the Stand
      • Remote Control Buttons and Functions
        • Turn the TV on or off from Standby Mode
        • Choose a TV Channel and Watch Images from External Devices
        • Adjust the Volume
        • Muting the Sound
        • Information Function
        • ZOOM Function
        • 3D SOUND Function
        • Return to TV Channel Instantly
        • Favourite Channel Function
        • Operating a JVC Brand VCR or DVD Player
      • Teletext Function
        • Basic Operation
        • Using the List Mode
        • Hold
        • Sub-Page
        • Reveal
        • Size
        • Index
        • Cancel
      • Using the Tv's Menu
        • Basic Operation
      • PICTURE Menu
        • Picture Mode
        • Back Light
        • Contrast
        • Bright
        • Sharp
        • Colour
        • Tint
        • White Balance
        • Features
          • Colour System
          • Digital Vnr
      • SOUND Menu
        • Stereo / I • II
        • Bass
        • Treble
        • Balance
        • 3D Sound
      • FEATURES Menu
        • Sleep Timer
        • Channel Guard
        • Appearance
        • Blue Back
        • Favourite Setting
      • SET up Menu
        • Auto Program
        • Edit/Manual
        • Language
        • Video-3 Setting
        • Teletext Language
      • Displaying a Computer Screen
        • Connecting to the Computer
        • Watching Images from a Computer
        • Table of Signals for each Type of Computer
      • CH/CC Numbers
      • Troubleshooting
        • Poor Picture
        • Other Issues
      • Specifications
      • Parts List
      • Exploded View Parts List
      • Exploded View
      • Printed Wiring Board Parts List [Lt-26Ax5,Lt-26Ax5/S]
        • Main P.w. Board Ass'y (Qal0791-001)
        • Power P.w. Board Ass'y (Qal0793-001)
        • Led P.w. Board Ass'y (Qal0794-001)
        • Key P.w. Board Ass'y (Qal0795-001)
      • Printed Wiring Board Parts List [Lt-32Ax5,Lt-32Ax5/S]
        • Main P.w. Board Ass'y (Qal0792-001)
        • Power P.w. Board Ass'y (Qal0793-001)
        • Led P.w. Board Ass'y (Qal0794-001)
        • Key P.w. Board Ass'y (Qal0795-001)
      • Remote Control Unit Parts List
      • Packing
      • Packing Parts List

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SERVICE MANUAL
WIDE LCD PANEL TELEVISION
10
YA344
2005
LT-26AX5, LT-26AX5
LT-32AX5, LT-32AX5
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18

TABLE OF CONTENTS

COPYRIGHT © 2005 Victor Company of Japan, Limited
,
/S
/S
BASIC CHASSIS
FT
No.YA344
2005/10

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Summary of Contents for JVC LT-26AX5/S

  • Page 1: Table Of Contents

    SERVICE MANUAL WIDE LCD PANEL TELEVISION YA344 2005 LT-26AX5, LT-26AX5 LT-32AX5, LT-32AX5 BASIC CHASSIS TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
  • Page 2 SPECIFICATION Contents Items LT-26AX5 LT-32AX5 Dimensions ( W × H × D ) 68.6 cm × 52.7 cm × 30.8 cm [Included stand] 82.0 cm × 60.4 cm × 30.8 cm [Included stand] 68.6 cm × 47.4 cm × 12.2 cm [TV only] 82.0 cm ×...

  • 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

    If the picture is not clear or no colour appears, change the using the 3D SOUND. current colour system to another colour system. MAIN DIFFERENCE LIST Item LT-26AX5 LT-26AX5/S LT-32AX5 LT-32AX5/S POWER CORD EU Type (Round 2 Pins) UK Type (UK 3 Pins)
  • Page 7 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 8 2.4.2 MAIN CPU PIN FUNCTION [U302 : MAIN PWB] Pin Pin name I/O Function Pin Pin name I/O Function I/O Program ROM data for CPU - Not used I/O Program ROM data for CPU XTAL2 O 6MHz for system clock I/O Program ROM data for CPU XTAL1 I 6MHz for system clock...

  • Page 9: Disassembly

    SECTION 3 DISASSEMBLY DISASSEMBLY PROCEDURE CAUTION AT DISASSEMBLY: • Make sure that the power cord is disconnected from the outlet. • Pay special attention not to break or damage the parts. • When removing each board, remove the connectors as required. Taking notes of the connecting points (connector numbers) makes service procedure manageable.
  • Page 10 STAND COVER JACK COVER BACK BRACKET STAND MAIN PWB SHIELD REAR COVER POWER PWB SHIELD MAIN PWB POWER PWB POWER CORD TERMINAL BASE MAIN BASE INSULATOR TOP FRAME SPEAKER SPEAKER LCD PANEL UNIT LED PWB BOTTOM FRAME CONTROL PWB FRONT PANEL This exploded view shows the LT-26AX5.
  • Page 11 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 REPLACEMENT PROCEDURE 1.
  • Page 12 3.2.3 SETTINGS OF FACTORY SHIPMENT 3.2.3.1 BUTTON OPERATION 3.2.3.2 REMOTE CONTROL DIRECT OPERATION Setting item Setting position Setting item Setting position POWER CHANNEL CHANNEL VOLUME VOLUME ZOOM PANORAMIC TV/AV 3D SOUND 3.2.3.3 REMOTE CONTROL MENU OPERATION (1) PICTURE (4) FEATURES Setting item Setting position Setting item...
  • Page 13 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 14: Adjustment

    SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION PRESET SETTING BEFORE ADJUSTMENTS (1) The adjustment using the REMOTE CONTROL UNIT is Unless otherwise specified in the adjustment items, preset the made on the basis of the initial setting values. The following functions with the REMOTE CONTROL UNIT. setting values which adjust the screen to the optimum Setting item Settings position...
  • Page 15 4.5.5 ADJUSTMENT MODE (4) WHITE BALANCE This mode is used to adjust the VIDEO CIRCUIT. State of the colour temperature is displayed. 4.5.5.1 HOW TO ENTER THE ADJUSTMENT MODE NOTE: When the SERVICE MENU SCREEN of SERVICE MODE is In ADJUSTMENT MODE, the colour temperature can be set displayed, press [1] key to enter the ADJUSTMENT MODE only to "NORMAL".
  • Page 16 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 17 4.6.2 OPTION Item No. Item name Variable range Setting value Item No. Item name Variable range Setting value D027 PC S CON 000 - 063 0001 GAMMA TABLE 000 - 003 D028 PC S BRI 000 - 063 0002 CARRIER MUT 000 - 001 D029 TXT S CON...

  • Page 18: Troubleshooting

    ADJUSTMENT PROCEDURE 4.7.1 VIDEO CIRCUIT Measuring Item Test point Adjustment part Description instrument WHITE Remote [1.ADJUST] (1) Receive a PAL 75% all white signal. BALANCE control unit S013: R DRIVE (Red drive) (2) Set PICTURE MODE to "STANDARD". (HIGHLIGHT) S015: G DRIVE (Green drive) (3) Set ZOOM to "FULL".
  • Page 19 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DISPLAY CATEGORY 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA344) Printed in Japan...
  • Page 20 SCHEMATIC DIAGRAMS WIDE LCD PANEL TELEVISION YA344 2005 LT-26AX5, LT-26AX5 LT-32AX5, LT-32AX5 BASIC CHASSIS CD-ROM No.SML200510 No.YA344 COPYRIGHT © 2005 Victor Company of Japan, Limited 2005/10...

  • Page 21: Standard Circuit Diagram

    LT-26AX5, LT-26AX5 , LT-32AX5, LT-32AX5 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 22 MAIN PWB CIRCUIT DIAGRAM ........................ 2-7 KEY PWB CIRCUIT DIAGRAM ......................... 2-17 LED PWB CIRCUIT DIAGRAM ......................... 2-18 POWER PWB CIRCUIT DIAGRAM [LT-26AX5, LT-26AX5/S] ..............2-19 POWER PWB CIRCUIT DIAGRAM [LT-32AX5, LT-32AX5/S] ..............2-25 PATTERN DIAGRAMS MAIN PWB PATTERN ..........................2-31 POWER PWB PATTERN ..........................

  • Page 23: Wiring Diagram

    WIRING DIAGRAM LCD PANEL UNIT LCD PANEL UNIT LCD PANEL UNIT J501 J304 J210 J602 J209 J601 J801 H701 U/V TUNER MAIN PWB J209-1 SPEAKER (R) SPEAKER (L) 250V/5A POWER PWB CONTROL PWB POWER CORD J210-1 LED PWB (No.YA344)2-3 2-4(No.YA344)

  • Page 24: Block Diagram

    BLOCK DIAGRAM U405 VIDEO_OUT H701 RGB SELECT U/V TUNER AUDIO_OUT SCART2 R1/G1/B1 SCART R/G/B U401 SCART1 R/G/B U502 ADRS MEMORY U101 (16Mbit) MEMORY VIDEO INPUT SELECT (64Mbit) TV_CVBS SCART2 CVBS U402 SCART1 CVBS J203 EXT-1 AV CVBS Y(0-7), C(0-7) 3D YC SEP. /RGB PROCESS /COLOR DEMOD U501...

  • Page 25: Circuit Diagrams

    CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM [WHOLE CHART] J501 CONN FLEX-30PIN LD12V L D5V MAD0 V CC3_3 VC C2_5 V CC3_3 Q501 V CC1_8 L501 Q502 L502 AIC1117A-18CY B-501(3216) GM66102-2.5TC3(TO-252) B-501(3216) SHEET1 SHEET2 ST5V VOUT L503 C501 C502 C503 C505 OPEN MAD1 MCA12...
  • Page 26 SCL2 C553 33P Q316 KTC3875S-Y X501 ST5V 14.318MHZ R370 Q311 KTC3875S-Y Q308 C554 33P R380 KTC3875S-Y R375 MAIN PWB ASS'Y (1/4) QAL0791-001 [LT-26AX5,LT-26AX5/S] NOTE : Refer to the part list for the part number of U303. QAL0792-001 [LT-32AX5,LT-32AX5/S] (No.YA344)2-9 2-10(No.YA344)
  • Page 27 MAIN PWB CIRCUIT DIAGRAM (2/4) SHEET2 LED PANEL UNIT MAIN PWB ASS'Y (2/4) J501 CONN FLEX-30PIN LD12V L D5V V CC1_8 QAL0791-001 [LT-26AX5,LT-26AX5/S] L503 SPEAKER (L) C505 OPEN C504 QAL0792-001 [LT-32AX5,LT-32AX5/S] L506 J601 B-501(3216) CON3P(S03B-PH-2) E504 7uF 16V(105 ? 26INCH -LO2...
  • Page 28 MAIN PWB ASS'Y (3/4) Q801 U801 L807 KIA78L08F Si4925BDY B-800(3216) CE802 C801 R801 Digital GND Analog GND 470uF 16V ST1 2V QAL0791-001 [LT-26AX5,LT-26AX5/S] CE803 47uF 16V(105 ? R802 L808 C820 4.7K B-800(3216) CE804 100uF 16V QAL0792-001 [LT-32AX5,LT-32AX5/S] Q802 CE801 KTC3875S-Y 220uF 16V (No.YA344)2-13...
  • Page 29 R205 R206 R207 R208 R209 1.2K 2.2K 1.2K R201 4.7K S201 S202 S203 S204 S205 S206 S207 LD201 QAL0791-001 [LT-26AX5,LT-26AX5/S] L240 B-501(3216) R-K097110R R-K097110R R-K097110R R-K097110R R-K097110R R-K097110R R-K097110R R297 IR201 VIDEO MEN U 11/04 KSM-913TC5N QAL0792-001 [LT-32AX5,LT-32AX5/S] (No.YA344)2-15 2-16(No.YA344)
  • Page 30 KEY PWB CIRCUIT DIAGRAM SHEET 5 LED PWB CIRCUIT DIAGRAM SHEET 6 MAIN PWB ASS'Y(1/4) J210 (SHEET1) J209-1 CON7P(A2004WV0-7P) MAIN PWB ASS'Y(1/4) J209 (SHEET1) J210-1 R205 R206 R207 R208 R209 CON4P(A2004WR0-4P) 1.2K 2.2K 1.2K S201 S202 S203 S204 S205 S206 S207 Q204 R250...

  • Page 31: Power Pwb Circuit Diagram [Lt-26Ax5, Lt-26Ax5/S]

    POWER PWB CIRCUIT DIAGRAM (1/3) SHEET 7 [LT-26AX5, LT-26AX5/S] POWER PWB ASS'Y (1/3) QAL0793-001 POWER CORD (No.YA344)2-19 2-20(No.YA344)

  • Page 32: Power Pwb Circuit Diagram [Lt-32Ax5, Lt-32Ax5/S]

    POWER PWB CIRCUIT DIAGRAM (2/3) SHEET 8 [LT-26AX5, LT-26AX5/S] POWER PWB ASS'Y (2/3) QAL0793-001 (No.YA344)2-21 2-22(No.YA344)
  • Page 33 POWER PWB CIRCUIT DIAGRAM (3/3) SHEET 9 [LT-26AX5, LT-26AX5/S] MAIN PWB ASS'Y (3/4) J801 (SHEET3) LCD PANEL UNIT POWER PWB ASS'Y (3/3) QAL0793-001 (No.YA344)2-23 2-24(No.YA344)
  • Page 34 POWER PWB CIRCUIT DIAGRAM (1/3) SHEET 10 [LT-32AX5, LT-32AX5/S] POWER PWB ASS'Y (1/3) QAL0793-001 POWER CORD (No.YA344)2-25 2-26(No.YA344)
  • Page 35 POWER PWB CIRCUIT DIAGRAM (2/3) SHEET 11 [LT-32AX5, LT-32AX5/S] POWER PWB ASS'Y (2/3) QAL0793-001 (No.YA344)2-27 2-28(No.YA344)
  • Page 36 POWER PWB CIRCUIT DIAGRAM (3/3) SHEET 12 [LT-32AX5, LT-32AX5/S] MAIN PWB ASS'Y (3/4) J801 (SHEET3) LCD PANEL UNIT POWER PWB ASS'Y (3/3) QAL0793-001 (No.YA344)2-29 2-30(No.YA344)

  • Page 37: Pattern Diagrams

    PATTERN DIAGRAMS MAIN PWB PATTERN [SOLDER SIDE] (No.YA344)2-31 2-32(No.YA344)
  • Page 38 MAIN PWB PATTERN [PARTS SIDE] (No.YA344)2-33 2-34(No.YA344)

  • Page 39: Power Pwb Pattern

    POWER PWB PATTERN [SOLDER SIDE] POWER PWB PATTERN [PARTS SIDE] (No.YA344)2-35 2-36(No.YA344)
  • Page 40 KEY PWB PATTERN [SOLDER SIDE] VOLTAGE CHARTS <MAIN PWB> 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) DC (V) DC (V) DC (V) DC (V) PIN NO.

  • Page 41: Waveforms

    WAVEFORMS MAIN PWB (1/4) (SHEET1) U402-16 U302-21 U302-29 U302-30 U302-52 U302-53 U402-15 (1µs) (1µs) (0.2µs) (0.2µs) 1.1 Vp-p 3.2 Vp-p 3.2 Vp-p 1.4 Vp-p 1.4 Vp-p 3.0 Vp-p 4.1 Vp-p U402-19 U402-20 U402-61 3.2 Vp-p 3.2 Vp-p 1.0 Vp-p MAIN PWB (2/4) (SHEET2) U501-51 U501-53...
  • Page 42 2-40(No.YA344)
  • Page 43 Victor Company of Japan, Limited AV & MULTIMEDIA COMPANY DISPLAY CATEGORY 12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama-city, Kanagawa-prefecture, 221-8528, Japan (No.YA344) Printed in Japan...
  • Page 44 ENGLISH LT-32AX5 LT-26AX5 WIDE LCD PANEL TV INSTRUCTIONS LCT1926-001A-H...
  • Page 46 Thank you for buying this JVC LCD flat television. To make sure you understand how to use your new TV, please read this manual thoroughly before you begin. (“LCD” stands for Liquid Crystal Display.) WARNING: TO PREVENT FIRE OR SHOCK HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.

  • Page 47: Cleaning The Screen

    Distance recommendations Avoid improper installation and never position the unit where good ventilation is impossible. 200 mm 200 mm 150 mm 150 mm When installing this TV, distance recommendations must be maintained between the set and the wall, as well 50 mm as inside a tightly enclosed area or piece of furniture.
  • Page 48 Return to TV channel instantly....16 VIDEO-3 SETTING ........33 Favourite channel function....... 17 TELETEXT LANGUAGE ......33 Operating a JVC brand VCR or DVD Displaying a computer screen....34 player............ 18 Connecting to the computer ..... 34 Teletext function ........19 Watching images from a computer ..

  • Page 49: Setting Up Your Tv

    Setting up your TV • When you install the TV on the wall, only use a JVC wall mounting unit (optional) which is designed for this TV. • Make sure that the TV is installed on the wall by a skilled installer.

  • Page 50: Connecting The Aerial

    Setting up your TV Connecting the aerial • The connecting cables are not provided. If you are not connecting a VCR/DVD recorder. Aerial 75-ohm Coaxial Cable A → B If you are connecting a VCR/DVD, follow in the diagram below. Aerial 75-ohm Coaxial...
  • Page 51 Setting up your TV Connecting to the VIDEO-1/VIDEO-2 terminal (video input/monitor output) To play the VCR/DVD player: Connect the TV to the VCR/DVD player with the supplied SCART to RCA cable (for input/output). Monitor output from the VIDEO-1/VIDEO-2 terminal The video/sound signal you are viewing is always output from the VIDEO-1/VIDEO-2 terminal. •...

  • Page 52: Connecting The Pc

    Setting up your TV Connecting to the VIDEO-4 terminal (component video input) To play the DVD player: Connect the TV to the VIDEO-4 terminal of the DVD player. • Audio is shared between the VIDEO-3 and VIDEO-4 terminal. To OUTPUT COMPONENT IN AUDIO IN-L AUDIO IN-R...

  • Page 53: Connecting The Power Cord To The Ac Outlet

    When the TV is first turned on, it goes into the initial settings mode, and you will see the Insert the AC plug on the power cord from JVC logo. Follow the instructions on the the TV into AC outlet. screen display to make the initial settings.
  • Page 54 Setting up your TV • If the JVC logo does not appear this is 5 Press the 6 buttons to choose a because your TV has already been group. Then press the a button turned on for the first time: The AUTO PROGRAM function starts.

  • Page 55: Tv Buttons And Functions

    TV buttons and functions Turn the TV on from standby mode Press the A button or the P p buttons to turn the TV on from standby mode. When the TV is turned on, the power lamp lights blue. To turn the TV off: Press the A button again.

  • Page 56: Adjust The Volume

    TV buttons and functions Adjust the volume Using the stand This stand can be used to adjust the direction Press the r (Volume) q buttons of the TV screen 5° up, 10° down, and 20° to The volume level indicator appears. the left or right.

  • Page 57: Remote Control Buttons And Functions

    Remote control buttons and functions 1 Muting button 2 Number buttons 3 Information button 4 c button 5 / (3D SOUND) button 6 b button 7 7 buttons 8 g (Text) button 9 p p buttons 0 VCR/DVD/Teletext control buttons - p buttons = d (Favourite) button ~ # (Standby) button...

  • Page 58: Choose A Tv Channel And Watch Images From External Devices

    Remote control buttons and functions • Since this TV is designed to make full use Choose a TV channel and of the resolution of the original video watch images from external source, the motion may appear unnatural when the video source is input with devices progressive-scanning component signals.

  • Page 59: Adjust The Volume

    Remote control buttons and functions PR LIST: Adjust the volume The programme number (PR) and VIDEO terminal list is displayed. Press the r q buttons to adjust Pressing the a button after choosing the the volume. programme number (PR) or VIDEO terminal The volume level indicator appears and the with the 7 buttons will display the volume changes as you press the r q...

  • Page 60: Zoom Function

    Remote control buttons and functions FULL: ZOOM function This uniformly stretches the left and right sides of a normal picture (4:3 aspect ratio) to You can change the screen size according to fill the wide TV screen. the picture aspect ratio. Choose the optimum one from the following ZOOM modes.

  • Page 61: 3D Sound Function

    Remote control buttons and functions Adjusting the visible area of the MONO: Select the MONO mode, when you listen to picture the mono sound. If subtitles or the top (or bottom) of the You can enjoy the sound for a wider picture are cut off, you can adjust the visible audience similar to stereo sound.

  • Page 62: Favourite Channel Function

    Remote control buttons and functions Calling the favourite channel Favourite channel function 1 In the normal screen, press the d You can register your favourite TV channels (favourite) button (PR 1 – PR 99) in the number buttons 1 to 4. Then “FAVOURITE1-4?”...

  • Page 63: Operating A Jvc Brand Vcr Or Dvd Player

    2 Press the VCR/DVD Control Button to control your VCR or DVD player • If your device is not made by JVC, these buttons will not work. • Even if your device is made by JVC, some of these buttons may not work, depending on the device you are using.

  • Page 64: Teletext Function

    Teletext function 4 Choose a teletext page by pressing the p p buttons, number buttons VCR/TV/ or colour buttons To return to the TV mode: Press the b button or g (Text) button. • If you have trouble receiving teletext broadcasts, consult your local dealer or the teletext station.

  • Page 65: Hold

    Teletext function 2 Press a colour button to choose a Sub-page position. Then press the number buttons to enter the page number Some teletext pages include sub-pages that are automatically displayed. You can hold any sub-page, or view it at any time.

  • Page 66: Index

    Teletext function Index You can return to the index page instantly. Press the G (Index) button Returns to page 100 or a previously specified page. Cancel You can search for a teletext page while watching TV. 1 Press the number button to enter a page number, or press a colour button The TV searches for a teletext page.

  • Page 67: Using The Tv's Menu

    Using the TV’s menu This TV has a number of functions you can Types of menu operate using menus. To use all your TV’s PICTURE menu functions, you need to understand the basic Choose to set the screen menu operating techniques fully. settings.

  • Page 68: Picture Menu

    PICTURE menu BACK LIGHT PICTURE STANDARD PICTURE MODE You can adjust the back light. BACK LIGHT CONTRAST 2 : darker BRIGHT SHARP 3 : brighter COLOUR TINT WHITE BALANCE COOL FEATURES CONTRAST RESET You can adjust the picture contrast. D0014 2 : lower 3 : higher •...

  • Page 69: Features

    PICTURE menu COLOUR SYSTEM COOL: A bluish white. Using this mode when The colour system is chosen automatically. watching bright pictures allows you to enjoy However, if the picture is not clear or no a more vivid and bright picture. colour appears, choose the colour system manually.

  • Page 70: Sound Menu

    SOUND menu BALANCE SOUND You can adjust the volume balance between STEREO/ BASS the left and right speaker. TREBLE BALANCE 2 : turn the left speaker’s volume level up. 3D SOUND 3 : turn the right speaker’s volume level up. 3D SOUND You can enjoy Surround sound with a “live”...

  • Page 71: Features Menu

    FEATURES menu To cancel the SLEEP TIMER FEATURES function: Press the 2 button to set the period of SLEEP TIMER CHANNEL GUARD time to “OFF”. APPEARANCE TYPE A BLUE BACK FAVOURITE SETTING CHANNEL GUARD When there is a TV channel you do not want your children to watch, you can use the CHANNEL GUARD function to lock out the D0023...
  • Page 72 FEATURES menu 3 Press the a button 2 Press the h (Information) button to The Sub-menu of CHANNEL GUARD display “ID NO.” (ID No. input appears. screen) > CHANNEL GUARD CH/CC ID NO. : D0028 3 Press the number buttons to enter the ID number The lock is temporarily released so you GUARD...

  • Page 73: Appearance

    FEATURES menu APPEARANCE Press the 5 button and choose the format in which the channel number is displayed from two types: TYPE A and TYPE B. BLUE BACK You can set the TV to automatically change to a blue screen and mute the sound if the signal is weak or absent, or when there is no input from an external device.

  • Page 74: Set Up Menu

    SET UP menu • You can proceed to edit the SET UP programme numbers list using the EDIT/MANUAL function. For details, AUTO PROGRAM EDIT/MANUAL see “EDIT/MANUAL” on page 29. LANGUAGE VIDEO-3 SETTING VIDEO • If a TV channel you want to view is TELETEXT LANGUAGE not stored in the programme numbers list, you can register it using the...
  • Page 75 SET UP menu DELETE: 3 Press the a button to complete This function deletes a TV channel you do the settings not want to list. MANUAL: • For programme number PR 0, “AV” This function manually stores a new TV appears in the programme numbers (PR) channel in a programme number (PR).
  • Page 76 SET UP menu DELETE INSERT Before performing INSERT operation 1 Press the 6 buttons to choose a • A CH/CC number unique to this TV and TV channel corresponding to the Channel number of a TV channel is required. Find the 2 Press the yellow button to delete corresponding CH/CC number from a the TV channel...
  • Page 77 SET UP menu MANUAL 4 Press the green or red button to search for a TV channel 1 Press the 6 buttons to choose a Scanning stops when the TV finds a TV programme number (PR) for a new channel. Then the TV channel is TV channel displayed.

  • Page 78: Language

    SET UP menu LANGUAGE TELETEXT LANGUAGE The LANGUAGE setting which was There are four types of teletext language performed in the “Initial settings” (page 8) groups. Set the teletext language group that can be changed. corresponds to the language of the teletext programme that you want to watch.

  • Page 79: Displaying A Computer Screen

    Displaying a computer screen This TV can be used as a computer screen. Watching images from a computer Connecting to the computer Use a D-SUB cable to connect the TV’s PC After starting the computer, press the IN terminal to the computer’s analogue RGB G or p p buttons to choose “PC”...

  • Page 80: Ch/Cc Numbers

    CH/CC numbers When you want to use the INSERT function on page 31, find the CH/CC number corresponding to the Channel number of the TV channel from this table. The US channel numbers are the channel numbers used in the United States, Philippines, etc.

  • Page 81: Troubleshooting

    Troubleshooting If a problem arises while you are using the TV, please read this troubleshooting guide carefully before you ask to have the TV repaired. You may be able to fix it easily by yourself. For example, if the mains plug is disconnected from the mains outlet, or the TV aerial has problems, you may think there is a problem with the TV itself.

  • Page 82: Other Issues

    Troubleshooting Other issues • When viewing images from commercially available video software products, or • When the SLEEP TIMER function videos from videotapes which have been operates, the TV is automatically turned recorded improperly, the top of the image off. If the TV suddenly turns off, try to may be distorted.

  • Page 83: Specifications

    Specifications Model LT-32AX5 Broadcasting systems B, G, I, D, K, M Colour systems PAL, SECAM, NTSC 3.58/4.43 MHz Channels and frequencies VHF low channel (VL) = 46.25 to 168.25 MHz VHF high channel (VH) = 175.25 to 463.25 MHz UHF channel (U) = 471.25 to 863.25 MHz •...
  • Page 84 Specifications Model LT-26AX5 Broadcasting systems B, G, I, D, K, M Colour systems PAL, SECAM, NTSC 3.58/4.43 MHz Channels and frequencies VHF low channel (VL) = 46.25 to 168.25 MHz VHF high channel (VH) = 175.25 to 463.25 MHz UHF channel (U) = 471.25 to 863.25 MHz •...
  • Page 87 © 2005 Victor Company of Japan, Limited 0805HHH-CR-JMT...

  • Page 88: 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 89 USING P.W. BOARD & REMOTE CONTROL UNIT ....................3-2 EXPLODED VIEW PARTS LIST ..........................3-3 EXPLODED VIEW ............................... 3-4 PRINTED WIRING BOARD PARTS LIST [LT-26AX5,LT-26AX5/S] ................3-5 MAIN P.W. BOARD ASS'Y (QAL0791-001) ...................... 3-5 POWER P.W. BOARD ASS'Y (QAL0793-001) ....................3-9 LED P.W.

  • Page 90: Exploded View Parts List

    Part No. Part Name Description Local  101 LC12597-001A-H JACK COVER LC33339-001A OPERATION SHEET LC33338-001A OPERATION SHEET  104 LC12341-002B-U REAR COVER LT-26AX5,LT-26AX5/S  104 LC12396-002A-U REAR COVER LT-32AX5,LT-32AX5/S QYSBSF4012ZA TAP SCREW M4 x 12mm(x8) LC42063-001A SCREW LC42063-001A SCREW (x2) LC42296-001B-C STAND ASSY Inc.108A/108B...

  • Page 91: Exploded View

    EXPLODED VIEW 108B 108A BACK BRACKET MAIN PWB SHIELD POWER PWB SHIELD MAIN BASE INSULATOR TOP FRAME BOTTOM FRAME This exploded view shows the LT-26AX5. LT-32AX5 has almost similar parts locations. 3-4(No.YA344)

  • Page 92: Printed Wiring Board Parts List [Lt-26Ax5,Lt-26Ax5/S]

    PRINTED WIRING BOARD PARTS LIST [LT-26AX5,LT-26AX5 MAIN P.W. BOARD ASS'Y (QAL0791-001) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local ZD222 T0408-00002A Z DIODE ZD225 T0408-00002A Z DIODE U101 T1001-00081A ZD227 T0408-00002A Z DIODE U301 T1001-00073A ZD230...
  • Page 93 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C312 T2203-FC101D C CAPACITOR 0.01uF 50V K C533 T2203-DC104E C CAPACITOR 0.1uF 25V K C313 T2203-FC101D C CAPACITOR 0.01uF 50V K C534 T2203-DC104E C CAPACITOR 0.1uF 25V K C314 T2203-FC101D...
  • Page 94 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R133 2007-000075 C RESISTOR 220Ω 1/16W J R321 2007-000081 C RESISTOR 2.7KΩ 1/16W J R134 2007-000090 C RESISTOR 10KΩ 1/16W J R322 2007-000074 C RESISTOR 100Ω...
  • Page 95 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R460 2007-000084 C RESISTOR 4.7KΩ 1/16W J R708 2007-000074 C RESISTOR 100Ω 1/16W J R461 2007-000107 C RESISTOR 470KΩ 1/16W J R709 2007-000309 C RESISTOR 10Ω...

  • Page 96: Power P.w. Board Ass'y (Qal0793-001)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local L821 T2901-JC005A CHIP BEAD 80Ω CE610 2401-002235 E CAPACITOR 10uF 16V M L822 T2901-JC005A CHIP BEAD 80Ω CE611 2401-002235 E CAPACITOR 10uF 16V M L823 T2901-JC005A CHIP BEAD...
  • Page 97 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local T0402-00013A DIODE T2007-IC391J C RESISTOR 390Ω J T0402-00013A DIODE T2007-IC471J C RESISTOR 470Ω J T0402-00015A DIODE T2007-IC682J C RESISTOR 6.8KΩ J T0402-00016A DIODE T2007-IC682J C RESISTOR 6.8KΩ...

  • Page 98: Led P.w. Board Ass'y (Qal0794-001)

    Ref No. Part No. Part Name Description Local T1404-00001A THERMISTOR T1001-00094A PHOTO COUPLER T1001-00094A PHOTO COUPLER T1001-00094A PHOTO COUPLER T2007-JC224J C RESISTOR 220KΩ J T2007-JC224J C RESISTOR 220KΩ J T2007-JC224J C RESISTOR 220KΩ J T2003-ETR15A R-WIRE 0.15Ω 3W J T2003-ETR62A R-WIRE 0.62Ω...

  • Page 99: Printed Wiring Board Parts List [Lt-32Ax5,Lt-32Ax5/S]

    PRINTED WIRING BOARD PARTS LIST [LT-32AX5,LT-32AX5 MAIN P.W. BOARD ASS'Y (QAL0792-001) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local ZD222 T0408-00002A Z DIODE ZD225 T0408-00002A Z DIODE U101 T1001-00081A ZD227 T0408-00002A Z DIODE U301 T1001-00073A ZD230...
  • Page 100 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C312 T2203-FC101D C CAPACITOR 0.01uF 50V K C530 T2203-DC104E C CAPACITOR 0.1uF 25V K C313 T2203-FC101D C CAPACITOR 0.01uF 50V K C531 T2203-DC104E C CAPACITOR 0.1uF 25V K C314 T2203-FC101D...
  • Page 101 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R130 2007-000078 C RESISTOR 1KΩ 1/16W J R318 2007-000081 C RESISTOR 2.7KΩ 1/16W J R131 2007-000090 C RESISTOR 10KΩ 1/16W J R319 2007-000309 C RESISTOR 10Ω...
  • Page 102 Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R457 2007-001167 C RESISTOR 75Ω 1/16W J R704 2007-000119 C RESISTOR 560Ω 1/16W J R458 2007-001167 C RESISTOR 75Ω 1/16W J R705 2007-000121 C RESISTOR 820Ω...

  • Page 103: Power P.w. Board Ass'y (Qal0793-001)

    Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local L815 T2901-JC005A CHIP BEAD 80Ω CE607 2401-002235 E CAPACITOR 10uF 16V M L816 T2901-JC005A CHIP BEAD 80Ω CE608 2401-002235 E CAPACITOR 10uF 16V M L820 T2901-JC005A CHIP BEAD...

  • Page 104: Remote Control Unit Parts List

    BATTERY COVER PACKING 106 107 109 110 PACKING PARTS LIST  Ref.No. Part No. Part Name Description Local LC10845-073B-H PACKING CASE LT-26AX5,LT-26AX5/S LC10845-074B-H PACKING CASE LT-32AX5,LT-32AX5/S LC12562-001A-H CUSHION ASSY 4pcs in 1set LT-26AX5,LT-26AX5/S LC12564-001A-H CUSHION ASSY 4pcs in 1set LT-32AX5,LT-32AX5/S...

This manual is also suitable for:

Lt-32ax5/sLt-26ax5Lt-32ax5

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