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JVC LT-37X688 User Manual

JVC LT-37X688
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Important Note:
In the spaces below, enter the model and serial number of your television (located at the
rear of the television cabinet). Staple your sales receipt or invoice to the inside cover of this
guide. Keep this user’s guide in a convenient place for future reference. Keep the carton
and original packaging for future use.
LCT2275-001B-A
0607TNH-II-IM
Model Number:
Serial Number:
Illustration of LT-37X688 and RM-C1450
For Models:
LT-37X688
LT-42X688
LT-42X788
LT-47X788
LT-37XM48
LT-42XM48
LCD Flat Television Users Guide
LCT2275-001B-A English.indd 1LCT2275-001B-A English.indd 1 6/14/07 10:32:49 AM6/14/07 10:32:49 AM

Table of Contents

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JVC LT-37X688 Specifications

General IconGeneral
Integrated clockYes
Comb filterDigital
Display diagonal37 \
Display brightness500 cd/m²
Native aspect ratio16:9
Viewing angle, horizontal176 °
Analog signal format systemNTSC
HDCPNo
USB 2.0 ports quantityUSB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
S-Video outputs quantity1
Product colorBlack
RMS rated power20 W
Weight and Dimensions IconWeight and Dimensions
Depth (without stand)232 mm
Width (without stand)927.1 mm
Height (without stand)654.05 mm
Weight (without stand)18280 g

Summary

Important Safety Precautions

Warnings and Device Care

Avoiding Ghost Images

Explains how displaying fixed images for extended periods can cause temporary ghost images on the screen.

Caring for the Cabinet

Provides instructions on how to clean the exterior of the TV set safely and effectively.

Caring for the Screen

Details the correct method for cleaning the TV screen to avoid damage and maintain its coating.

Tidying the Cables

Describes the function of a cable holder attached to the back of the stand for cable management.

Disconnecting the Stand

Step-by-step guide on how to safely remove the television stand from the unit.

Quick Setup Guide

Unpacking Your TV

Lists the items included in the television box and advises checking for their presence before setup.

TV Models and Panel Diagrams

Provides diagrams of the rear and side panels, explaining connections for different TV models.

Remote Control Overview

Details the JVC RM-C1450 remote control, its buttons, and notes on its functionality.

Getting Started and Basic Operation

Explains initial steps, remote control usage, basic operations, and menu navigation for setup.

Connecting Your Devices

Guides users on connecting external devices using various cable types like coaxial, component, composite, and S-Video.

VCR and DVD Connection

Illustrates how to connect a VCR and DVD player to the TV using coaxial and component/audio cables.

Connecting a Camcorder

Provides instructions for connecting a camcorder using composite video and audio cables.

Connecting an External Amplifier

Explains how to connect the TV's audio output to an external amplifier for enhanced sound.

Connecting a Digital TV Receiver

Guides on connecting a digital TV receiver via HDMI to DVI cable for high-definition picture display.

Connecting an HDMI Device

Details how to connect HDMI-compatible devices for digital audio and video transmission.

Connecting an Amplifier via Optical Output

Explains connecting an amplifier using an optical digital cable for PCM or Dolby Digital audio.

Connecting to AV Receiver via V3 Smart Input

Describes connecting an AV Receiver to the V3 Smart Input for flexible picture source viewing.

Interactive Plug-in Menu Setup

Guides users through the initial TV setup, including language, clock, and auto tuner configuration.

Clock Setup (Auto and Manual)

Explains how to set the TV clock automatically via broadcast or manually, including time zone and DST.

Auto Tuner Setup

Details the automatic channel scanning process to find and memorize active channels.

Onscreen Menu Navigation

Understanding Menu Symbols and Navigation

Explains common symbols and navigation methods used within the TV's onscreen menus.

Onscreen Menu System Overview

Describes how to navigate and use the TV's onscreen menu system for adjustments and settings.

Menu Structure and Navigation Flow

Illustrates the main menu, submenus, and the flow for accessing various settings like Initial Setup and Tuner Setup.

Exploring Onscreen Menu Options

Provides examples of onscreen menus for Sound Adjust, Clock/Timers, Interactive Plug-in, and Photo Viewer.

Initial Setup Menu Options

Noise Muting Setup

Explains how to activate the Noise Muting feature to display a blank screen on weak or no-signal channels.

Language Settings

Allows users to select the display language for onscreen menus from English, French, or Spanish.

Front Panel Lock Feature

Describes how to lock the TV's front panel buttons to prevent unintended changes by children.

V-Chip Parental Control Setup

Explains V-Chip technology for blocking inappropriate content based on US and Canada rating guidelines.

Understanding US V-Chip Ratings

Provides a guide to US Parental Rating Systems (TV Y, Y7, G, PG, 14, MA) and content type indicators (V/FV, S, L, D).

Setting US V-Chip Ratings

Instructs on how to select and lock specific TV ratings for parental control using the V-Chip feature.

Movie Rating System (MPAA)

Explains the MPAA movie rating system (NR, G, PG, PG-13, R, NC-17, X) for content blocking.

Canadian V-Chip Ratings

Details Canadian V-Chip rating categories (E, C, C8+, G, PG, 14+, 18+) for parental control.

Blocking Unrated Programs

Explains how to block programming that does not broadcast a rating signal by setting the 'Unrated Programming' category.

Setting Lock Code and Channel Guard

Guides on setting a four-digit lock code to protect channel guard and V-Chip settings.

Closed Caption Auto Setup

Details auto settings for Closed Captioning, including Type (Auto, Advanced, Basic) and service selection.

Closed Caption Manual Settings

Explains manual adjustments for Closed Caption appearance, including font size, style, color, and opacity.

Auto Shut Off, Software Version, and Power Indicator

Covers settings for automatic TV shutdown, checking software version, and adjusting the power indicator brightness.

Optical Output and Quick Start-up Settings

Explains optical digital audio output settings and the Quick Start-up feature for faster TV power-on.

Tuner Setup Options

Auto Tuner Setup Guide

Details the automatic channel scanning process to find and memorize active channels.

Channel Summary and Customization

Allows users to view, add, delete, or lock channels in the channel lineup for easy access and control.

Finding Channels, Antenna Level, and Diagnostics

Covers adding channels, checking antenna signal strength, and using the tuner diagnostic tool.

External Input Settings

HDMI Size Adjustment

Adjusts picture position for HDMI/DVI 480p signals, allowing selection of Auto, Size1, or Size2.

Video-1 Audio Input Selection

Selects audio input type (Analog, Digital, Auto) for DVI or HDMI compatible components.

Video Input Labeling

Allows users to label video input connections for clarity on onscreen displays, with preset options available.

Picture Adjustments Menu

Core Picture Settings

Adjusts Tint, Color, Picture (B&W levels), Brightness, Detail, and Energy Saver Mode for optimal picture quality.

Color Temperature Adjustment

Allows selection of 'Low' or 'High' to adjust the intensity or dullness of colors on the TV screen.

Advanced Picture Enhancements

Covers Color Management for natural hues, Dynamic Gamma for dark/bright area detail, and Smart Picture for contrast adjustment.

Digital Video Processing Features

Explains Digital VNR, MPEG Noise Reduction, and Natural Cinema for motion blur correction.

Picture Position and Reset

Allows adjustment of picture position and resetting all picture adjustments to default settings.

Sound Adjustments Menu

Basic Sound Settings

Adjusts Bass, Treble, and Balance levels to control low-frequency, high-frequency, and speaker output.

Turn On Volume Setting

Sets the default volume level that the TV will use when it is turned on.

Volume Limit and Sound Reset

Sets the maximum allowable volume level and resets all sound adjustments to default.

Clock and Timer Functions

Setting the Clock

Guides on setting the TV clock automatically via broadcast or manually, including time zone and DST.

On/Off Timer Programming

Allows programming the TV to turn on or off at specific times, serving as an alarm or security feature.

Photo Viewer Operation

Starting the Photo Viewer

Provides steps to start the Photo Viewer by connecting a USB device and selecting the PHOTO mode.

Multi Screen Image Display

Allows displaying multiple JPEG images as thumbnails and viewing them individually with zoom and navigation controls.

Slide Show, Interval Time, and Auto Demo

Explains slide show functionality, setting display intervals, and the Auto Demo feature for TV feature demonstration.

Remote Control Button Functions

Power Button

Turns the television on and off.

Number Buttons (10-Key Pad)

Used for directly tuning to specific channels by entering the channel number.

Tune Button Function

Confirms input channel selection after entering numbers, used for tuning channels.

Sub Channel Selection

Enables selection of minor channels (sub-channels) associated with a main channel.

Input, Channel, Volume, and Return Functions

Explains functions for selecting input sources, changing channels, adjusting volume, and returning to previous channels.

Sound, Muting, and Video Status Controls

Covers sound modes (A.H.S., Smart Sound), muting volume, and video status presets (Standard, Dynamic, Theater, Game).

Sleep Timer and Display Options

Allows setting a sleep timer for automatic TV turn-off and controlling information displayed on screen (Detailed, Clock, Simple).

Understanding Aspect Ratios

Details various aspect ratios like Panorama, Cinema, Regular, Slim, Full, Panorama Zoom, Full Native for optimal picture display.

Aspect Ratio Selection and Basic Menu Controls

Explains how to select aspect ratios and use Menu, OK, and Back buttons for navigation.

Audio Modes (ML/MTS) and Closed Caption

Covers ML/MTS audio selection for analog broadcasts and controlling Closed Captioning via the C.C. button.

Favorite Channels and Program Guide

Explains how to register, select, and delete favorite channels, and use the GUIDE function for program information.

Remote Control Modes and External Device Operation

Details how to switch the remote control mode to operate external devices and notes on preset JVC brand control.

Remote Control Programming

Setting Remote Control Codes

Provides step-by-step instructions on finding and entering codes to program the remote for external devices.

Search Code Function for Remote

Explains the search code function if direct code entry fails, for programming the remote to operate devices.

Device Codes for Remote Programming (STB Mode)

Lists programming codes for Set Top Boxes (STB) from various brands for remote control operation.

Device Codes for Remote Programming (VCR Mode)

Provides a comprehensive list of programming codes for VCRs from various manufacturers.

Device Codes for Remote Programming (PVR/DVD/DBS)

Lists programming codes for PVR, DVD/PVR, DBS/PVR devices from various brands.

Device Codes for Remote Programming (DVD Mode)

Offers programming codes for DVD players and DVD recorders from numerous brands.

Device Codes for Remote Programming (Audio Mode)

Lists programming codes for amplifiers and home theater systems from various manufacturers.

OSD Information Messages

Weak Signal OSD Message

Explains the 'No Program or Weak Signal' OSD message that appears for weak or no signal detection.

Audio/Data Only Channel OSD Message

Describes the OSD message for channels broadcasting only audio or data information, not pictures.

Troubleshooting Common Issues

Troubleshooting: No Power

Guides on checking power cord, fuse, breaker, or power outage when the TV has no power.

Troubleshooting: No Picture or Sound

Covers checks for antenna connection, input mode, tuner setup, and HDMI/audio output connections.

Troubleshooting: Remote Control Issues

Provides checks for battery status, clear sight path, and distance for proper remote control operation.

Troubleshooting: Channel Selection Problems

Advises checking programmed channels and lock status if a specific channel cannot be selected.

Troubleshooting: Auto Power Off

Suggests checking for unplugged set, On/Off Timer, or Sleep Timer settings when the TV turns off unexpectedly.

Troubleshooting: General Operational Errors

Recommends power cycling and checking for external interference or microprocessor issues.

Troubleshooting: Incorrect Clock Time

Addresses incorrect clock time, often due to power interruption, recommending clock reset.

Troubleshooting: Poor Color Quality

Suggests adjusting Tint and Color settings or checking Video Status mode for poor color quality.

Troubleshooting: Picture Lines

Recommends checking for interference from other appliances or changing antenna connection for picture lines.

Troubleshooting: Spotted Picture

Suggests checking for interference from appliances or changing antenna connection for spotted pictures.

Troubleshooting: Ghosting (Double Pictures)

Advises checking antenna position or connection for ghosting or double pictures.

Troubleshooting: Snowy Picture (Image Noise)

Recommends checking antenna connection and condition for snowy pictures or image noise.

Troubleshooting: Screen 80% Black

Suggests checking Closed Caption text mode settings if the screen appears 80% black.

Troubleshooting: Stereo/Bilingual Audio Issues

Recommends checking MTS settings if stereo or bilingual programs cannot be heard correctly.

Static Electricity, Crackling Sounds, and Minor Issues

Addresses static electricity, normal crackling sounds, remote reset, picture cutoff in 1080p, and screen disappearance with HDMI menus.

Product Specifications

Model Details and General Specs

Provides technical specifications including model details, reception formats, power, screen size, audio, dimensions, and accessories.

Limited Warranty Information

Warranty Service Provided by JVC

Details JVC's commitment to repair or replace defective parts within the warranty period.

Customer Requirements for Warranty Service

Outlines customer responsibilities, including returning products to authorized service centers and providing problem descriptions.

Exclusions from Limited Warranty

Lists items and conditions not covered by the limited warranty, such as abuse, misuse, or unauthorized service.

Customer Support and Service Information

Assistance and Contact Information

Provides contact information, toll-free number, and website for customer assistance and service center location.

Caution: Do Not Service Yourself

Warns users against attempting self-service and advises referring to qualified personnel for repairs.

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