JVC TH-G31 User Manual

22
Operation
Troubleshooting
Check the following guide for the possible cause of a problem before contacting service.
Symptom
No power.
The power is on, but
the DVD/CD Receiver
does not work.
No picture.
There is no sound or
only a very low-level
sound is heard.
The playback picture is
poor.
The DVD/CD Receiver
does not start playback.
Loud hum or noise is
heard.
Cause
• The power cord is disconnected.
• No disc is inserted.
• The TV is not set to receive DVD signal
output.
• The video cable is not connected
securely.
• The connected TV power is turned off.
• The equipment connected with the
audio cable is not set to receive DVD
signal output.
• The audio cables are not connected
securely.
• The power of the equipment connected
with the audio cable is turned off.
• The audio connecting cable is damaged.
• The disc is dirty.
• No disc is inserted.
• An unplayable disc is inserted.
• The disc is placed upside down.
• The disc is not placed within the guide.
• The disc is dirty.
•Amenu is on the TV screen.
• The Rating level is set.
• The disc is dirty.
• The speakers and components are
connected poorly.
• The DVD/CD Receiver is located too
close to the TV.
Correction
• Plug the power cord securely into the
wall outlet.
• Insert a disc. (Check that the DVD or,
audio CD indicator in the DVD display
is lit.)
• Select the appropriate video input
mode on the TV so the picture from
the DVD/CD Receiver appears on the
TV screen.
• Connect the video cable into the
jacks securely.
•Turn on the TV.
• Select the correct input mode of the
audio receiver so you can hear the
sound from the DVD/CD Receiver.
• Connect the audio cable into the
jacks securely.
•Turn on the equipment connected
with the audio cable.
• Replace it with new one.
• Clean the disc.
• Insert a disc. (Check that the DVD, or
audio CD indicator in the DVD display
is lit.)
• Insert a playable disc. (Check the
disc type, colour system and Regional
code.)
• Place the disc with the playback side
down.
• Place the disc on the disc tray
correctly inside the guide.
• Clean the disc.
• Press the SETUP button to turn off
the menu screen.
• Cancel the Rating function or change
the rating level.
• Clean the disc.
• Connect the speakers and
components securely.
• Move your TV away from the audio
components.

JVC TH-G31 Specifications

General

Type	Home Theater System
Speaker Configuration	5.1 Channel
Total Power Output	300 W
DVD Player	Yes
USB Playback	Yes
Bluetooth	Yes
Supported Media	DVD, CD, USB
HDMI Output	1
Optical Input	1
Coaxial Input	1
FM Tuner	Yes
Subwoofer	Yes
Connectivity	HDMI, Optical, Coaxial, USB

Summary

Safety Precautions and Warnings

Electrical Safety and Warnings

Covers risk of electric shock, not removing covers, and proper ventilation.

Laser Product Safety

Information regarding the Class 1 laser product and safe usage guidelines.

Important Safety Instructions

General Safety Guidelines

Appliance Usage Precautions

Guidelines for avoiding water, cleaning, ventilation, heat sources, and plugs.

Cord and Accessory Safety

Servicing and Maintenance

Guidelines for when servicing is required and by whom.

Front Panel Controls and Indicators

Button Functions

Describes the function of each button on the front panel.

Remote Control Operation

Remote Control Buttons

Details the functions of various buttons on the remote control.

Installation and TV Connections

Video and Component Connections

Guides for connecting the unit to a TV via video or component cables.

HDMI Connection and Resolution

HDMI Technology Overview

Setting Video Resolution

Guides on adjusting resolution for HDMI and Component Video outputs.

Speaker System Setup

Connecting Speakers

Instructions for connecting surround sound speakers to the unit.

Speaker Placement Cautions

Safety advice for wall-mounting speakers and proper placement.

On-Screen Display and Initial Setup

Initial Language Setup

General Operation and Display Settings

Navigating the Setup Menu

Language and Display Options

Audio Settings and Surround Sound

Audio Processing Options

Adjusting Dynamic Range Control, Vocal, and HD AV Sync for optimal audio.

5.1 Speaker Configuration

Setting up the 5.1 channel surround decoder, including speaker selection and distance.

Advanced Settings and Parental Control

Speaker Test and Calibration

Parental Control Setup

Configuring rating limits, password, and area code for parental control.

Basic Operation Controls

Playback and Navigation Buttons

Playing Audio CDs and MP3/WMA Files

File Playback and Navigation

MP3/WMA Disc Compatibility

Viewing JPEG Files and Slideshows

JPEG File Navigation and Display

Slideshow and Music Playback

Radio Operations

Preserving Radio Stations

Tuning and Listening to Radio

Troubleshooting Guide

Power and Picture Issues

Solutions for problems related to power, no picture, or poor picture quality.

Sound and Playback Problems

Troubleshooting steps for no sound, low sound, and playback failures.

Troubleshooting Common Issues

Radio Tuning and Remote Control

Fixes for radio reception problems and remote control malfunctions.

Display and Battery Issues

Technical Specifications

General and Tuner Specifications

Amplifier and Speaker Specs

Limited Warranty Information (U.S.A.)

Warranty Coverage and Service

Details what is covered, what JVC will do, and warranty service procedures.

Exclusions and Limitations

Lists items not covered by the warranty and legal limitations.

Customer Support and Servicing

Contacting JVC for Assistance

Servicing Precautions