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JVC LT-Z37EX6 User Manual

JVC LT-Z37EX6
122 pages
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SERVICE MANUAL
COPYRIGHT © 2006 Victor Company of Japan, Limited
No.YA462
2006/10
WIDE LCD TELEVISION
YA462200610
LT-Z37EX6, LT-Z37EX6/A,
LT-Z37EX6
/B, LT-Z37EX6/S
TABLE OF CONTENTS
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
BASIC CHASSIS
FL3

Table of Contents

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JVC LT-Z37EX6 Specifications

General IconGeneral
BrandJVC
ModelLT-Z37EX6
CategoryLCD TV
LanguageEnglish

Summary

PRECAUTIONS AND SERVICE INSTRUCTIONS

Safety Precautions

General safety guidelines for handling and repairing the product.

Isolation Check Procedures

Details procedures for isolation checks to prevent electrical shock hazards.

Specific Service Instructions

Covers system setting, features, and model differences for service.

SPECIFICATIONS

SAFETY PRECAUTIONS AND ISOLATION CHECKS

General Safety Precautions

General safety guidelines for handling and repairing the product.

Isolation Check (Electrical Shock Hazard)

Details procedures for isolation checks to prevent electrical shock hazards.

Dielectric Strength and Leakage Current Tests

Describes dielectric strength and leakage current tests for safety.

INSTALLATION REQUIREMENTS

Heat Dissipation Requirements

Explains the importance of proper ventilation for heat dissipation.

Physical Installation Requirements

Specifies minimum distances and stable flooring requirements for installation.

Securing the Unit

Advises securing the TV to prevent tipping during earthquakes or accidents.

Handling Precautions

Provides precautions for handling the unit when taking it out of the packing case.

LCD PANEL HANDLING AND PROTECTION

Transportation Precautions

Precautions for transporting the unit to prevent LCD panel damage.

Optical Filter Care

Guidelines for cleaning and protecting the optical filter on the LCD panel.

Exterior Parts Replacement Precautions

Precautions to avoid damaging the LCD panel when replacing exterior parts.

SPECIFIC SERVICE INSTRUCTIONS

TECHNICAL INFORMATION

LCD Panel Technology

Explains the LCD panel technology and its "normally black" mode.

LCD Panel Specifications

Lists detailed technical specifications of the LCD panel.

Pixel Fault Definitions

Defines different types of pixel faults (bright, dark, flicker).

DISASSEMBLY PROCEDURES

General Disassembly Steps

Step-by-step guide on how to disassemble the unit safely.

BOARD REMOVAL PROCEDURES (Fig.2)

Removing the LCD Panel Unit

Instructions for removing the LCD panel unit assembly.

MEMORY IC REPLACEMENT

Replacement Procedure

Step-by-step procedure for replacing memory ICs.

Service Mode Setting

Details on how to enter and set values in the service mode.

FACTORY SHIPMENT SETTINGS

CHIP COMPONENT REPLACEMENT

Cautions for Replacement

Cautions to observe when handling and heating chip components.

Replacement Steps

Steps for removing and installing chip components.

ADJUSTMENT PROCEDURES

Adjustment Preparation

Steps to prepare for TV adjustments using remote or components.

Preset Settings Before Adjustments

Presetting functions with the remote control before making adjustments.

Video Circuit Adjustment Items

Lists the specific adjustment items for the video circuit.

Service Mode Operation

Explains how to enter and navigate the service mode.

ADJUSTMENT MODE OPERATIONS

Entering Adjustment Mode

Procedure to enter the adjustment mode from the service menu.

Changing and Memorizing Settings

Details how to change and memorize setting values in adjustment mode.

INITIAL SETTING VALUES IN SERVICE MODE

Video System Setting Values

Initial setting values for the video system.

Audio System Setting Values

Initial setting values for the audio system.

Main CPU System Setting Values

Fixed initial setting values for the main CPU system.

ADJUSTMENT PROCEDURE DETAILS

Video Circuit Adjustment

Detailed procedure for adjusting the video circuit, specifically white balance.

TROUBLESHOOTING GUIDE

Self Check Feature Overview

Overview of the self-check feature for diagnosing operational states.

Entering Self Check Mode

Step-by-step instructions to enter the self-check mode.

Exiting Self Check Mode

Instructions on how to exit the self-check mode and manage failure history.

TROUBLESHOOTING ADDITIONAL ISSUES

Failure History Information

Explains how failure history is counted, stored, and deleted.

Using the Self Check Feature

Key considerations and potential issues when using the self-check feature.

Raster Output Error Display

Describes error display when no raster output is present.

IMPORTANT SAFETY WARNINGS

Setup and Power Plug Precautions

Connect only to a 110-240V, 50/60Hz AC outlet and ensure power plug space.

Power Cord Safety

Do not cut or damage the power cord; use appropriate extensions if needed.

Electrical Shock Hazard Warnings

Warnings about dismantling the rear panel and inserting objects into openings.

Fire Hazard Warnings

Warnings about obstructing ventilation holes and placing objects on the TV.

NAMES OF ALL PARTS

BASIC CONNECTIONS GUIDE

INITIAL SETTINGS PROCEDURE

EDITING CHANNELS

CONNECTING EXTERNAL DEVICES

ENJOYING YOUR NEW TV

WATCHING TV OPERATIONS

VIEWING TELETEXT

WATCHING VIDEOS / DVDS

USEFUL FUNCTIONS

Channel Guard Setup

Procedure for setting up "Channel Guard" to lock specific channels.

Sleep Timer Function

How to set the "Sleep Timer" to automatically turn off the TV.

USEFUL FUNCTIONS (CONTINUED)

CUSTOMIZING YOUR TV

ADVANCED PICTURE ADJUSTMENT

TROUBLESHOOTING COMMON ISSUES

TECHNICAL REFERENCE INFORMATION

PARTS LIST AND ABBREVIATIONS

Safety Cautions for Parts

Safety warnings regarding critical parts and replacement.

SCHEMATIC DIAGRAMS

STANDARD CIRCUIT DIAGRAM NOTATIONS

Safety Critical Component Identification

Highlights components critical for safety and requires recommended replacements.

WIRING DIAGRAMS

BLOCK DIAGRAMS

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