JVC TH-A75R Troubleshooting, General, Problem, Possible Cause, Solution, Power does not come on

Page 70
Troubleshooting

Troubleshooting

Use this chart to help you solve daily operational problems. If there is any problem you cannot solve, contact your JVC service center.

• Refer also to the manuals supplied with the components you connect to this system.

 

PROBLEM

 

POSSIBLE CAUSE

 

 

SOLUTION

Power does not come on.

The power cord is not plugged in.

Insert the plug into an AC outlet.

 

 

 

 

 

 

 

“OVERLOAD” flashes on the

Speakers are overloaded because

Press

on the center unit to turn off the

display.

speaker cords are short.

system, check the speaker connection, then

 

 

 

 

 

turn on the system again.

 

 

 

 

 

If “OVERLOAD” reappears, unplug the power

 

 

 

 

 

cord, then plug it back again. If speaker

 

 

 

 

 

cords are not short, contact your dealer.

 

 

 

 

 

 

Suddenly, the system turns off.

The sleep timer or Auto Standby is activated.

Turn these functions off. (See pages 19 and 60.)

 

 

 

 

 

 

 

 

 

Speakers are overloaded because of

Press

on the center unit to turn off

 

 

high volume.

the system. Then turn on the system

 

 

 

 

 

again and adjust the volume.

 

 

 

 

 

 

 

 

The protection circuit functions for some

Check the speaker connection, then turn

 

 

reason.

on the system again. If it does not solve

 

 

 

 

 

the problem, contact your dealer.

 

 

 

 

 

 

No sound.

Speaker cords are not connected.

Check speaker connection and

 

 

 

 

 

reconnect if necessary.

 

 

 

 

 

 

 

General

Sound from one front speaker only.

Speaker cords are short.

 

Check speaker connection.

The audio cord is not connected correctly.

Connect the cord correctly.

 

 

 

An incorrect source has been selected.

Select the correct source. (See page 17.)

 

 

 

Muting is on.

Press MUTING to cancel muting.

 

 

 

Incorrect analog/digital input mode is

Select the proper input mode.

selected.

(See page 19.)

 

 

 

Speaker cords connections are not correct.

Check connections.

 

 

 

The balance is set to one extreme.

Adjust the balance properly.

 

 

(See pages 30 and 58.)

 

 

 

No sound from the surround back The speaker setting is incorrect.

Set the speaker setting properly. (See

speakers.

 

 

 

pages 28 and 59.)

 

 

 

 

 

The remote control does not

It is too far from the center unit, or is not

Operate the remote control within 7 m

work.

facing the center unit.

from the remote sensor on the center unit.

 

 

 

 

 

 

There is something obstructing the

Avoid any obstruction. (See page 15.)

 

remote sensor.

 

 

 

 

 

 

The remote control is not aimed at the remote sensor on the center unit or other components.

The remote control mode selector is set at an incorrect position.

The batteries are exhausted.

The batteries have been inserted the wrong way round (+/–).

Aim the remote control at the remote sensor on each component you want to operate.

Set it to the correct position, “DVD” or “RDS.”

Replace the batteries.

Insert the batteries correctly.

 

Incorrect button is selected before

Select a correct source by pressing DVD,

 

operation you are going to do.

FM/AM or VCR/TV CONTROL.

 

 

 

 

Press SOUND before you perform sound

 

 

 

 

adjustment.

 

 

 

 

 

 

 

 

 

 

Sunlight is falling directly on the remote

Shade the remote sensor from direct

 

sensor.

sunlight.

 

 

 

 

 

 

 

 

 

 

Other manufacturers’ codes are not set

Enter the correct manufacturer’s code.

 

correctly.

(See pages 16 and 64.)

 

 

 

 

 

 

 

 

6.1-channel reproduction cannot

Reproduced non 6.1-channel software or

Playback software bearing the mark

be done from Dolby Digital EX or

“EX/ES” is set to “OFF.”

or

 

 

.

 

 

DTS-ES software.

 

 

 

Set “EX/ES” to “ON” or “AUTO.” (See page 28.)

 

 

 

 

 

Bass sound is heard reinforced

Appropriate bass level for stereo sound

Adjust “AUDIO POS.” (See page 30.)

when listening in stereo.

is not selected.

 

 

 

 

66

Image 70
Contents XV-THA75R SP-WA75SP-XSA75and SP-XCA75 TH-A75RIF IN DOUBT - CONSULT A COMPETENT ELECTRICIAN Warnings, Cautions and OthersCaution -- button Caution Proper Ventilation IMPORTANT FOR LASER PRODUCTSREPRODUCTION OF LABELS XV-THA75RSAFETY INSTRUCTIONS Table of contents 7Safety precautions PrecautionsChecking the supplied accessories IntroductionNames of parts and controls Center unitRemote control Names of parts and controls7About MP3 discs About discsPlayable disc types 7About JPEG discsPlayback Control function PBC About discsDisc structure Onlyfor VCD and SVCDGetting started Connecting a TV7To connect a TV through the AV SCART connectors Connections7AM MW loop antenna Connecting the AM MW and FM antennasGetting started Setting up AM MW loop antennaConnecting the supplied FM antenna 7FM antennaIf reception is poor 7Before connecting the speaker cord Connecting the satellite speakers and subwooferSpeaker layout diagram 1 Press and hold the terminal clampSatellite speakers Attaching speakers to the brackets Installing the satellite speakers on the wall2Adjust the angle of the speakers Getting started7STB connection Connecting video components7VCR connection Before connecting aCAUTIONS Connecting the power cordGetting started LINK- S-VIDEOOperating the system using the remote control Using the remote controlPutting batteries in the remote control 2Insert batteries1Set the remote control mode selector to “DVD.” Operating a TV using the remote control7Setting the transmittable signal for your TV 2Press and hold TVSelecting the source to play Press AUDIO on the remote control orBasic operations Turning on the systemAdjusting the brightness Adjusting the output level of subwooferAdjusting the volume Press VOLUME +Press SLEEP Turning off the power with the sleep timerStoring basic adjustments- auto memory From the remote control ONLY5Activate preferred Surround or DSP mode 4Adjust the volumeBasic DVD player operations 1Press 0 on the center unitResume playback function see page About the indications on the displayPreventing screen burn-out-screensaver function 7To store the preset stations Using preset tuningTuning in to stations manually Tuner operationsReducing the noise of AM MW broadcast 7To tune in to a preset stationSelecting the FM reception mode To show the RDS information 7What information can RDS signals provide?Tuner operations From the remote control ONLYTo search for a program using the PTY codes Searching for a program by PTY codesDescription of the PTY codes AlarmTuner operations News•When the system is in standby mode Setting speaker sizes Basic settingsOperating procedure software—EX/ESSetting the phase of subwoofer Setting the speaker distanceSetting the crossover frequency-CROSS PHASEAdjusting the tone-BASS,TREBLE Audio adjustmentsSetting the dynamic range Setting the subwoofer audio7Reproducing theater ambience Creating realistic sound fieldsSurround modes 7Introducing the Surround modesDolby Pro Logic Creating realistic sound fieldsDTS Surround Dolby Pro Logic Dolby SurroundDAP Digital Acoustic Processor modes DSP modesAll Channel Stereo Indicators 7Speaker and signal indicatorsIndicators Creating realistic sound fields1Start playing back software Using Surround modeUsing DSP mode 2 Press SURROUND4Press TEST again to stop the test tone Adjusting sound3Adjust the speaker output levels -10dB to +10 dB 5For DAP modes onlyShowing the on-screenbar Using the on-screenbarDVD player operations Press ON SCREENBasic operation through the on-screenbar DVD player operationsChanging the time information 1Press ON SCREEN twiceLocating a particular scene from the disc menu Locating a particular scene from the DVD menuShowing all view angles on the TV Selecting a view angleSelecting a view angle DVD player operationsSelecting the audio language Changing the subtitle and audio languagesSelecting the subtitle language 1Press SUBTITLESelecting the audio channel DVD player operationsLocating a particular position -Timesearch Playing from a particular positionLocating a particular chapter -Chaptersearch 1Press ON SCREEN twiceWhen a VCD or SVCD is loaded Locating a particular scene -DIGEST1Press DIGEST DVD player operationsFrame-by-frameplayback Special picture playbackShowing continuous still pictures 2Press and hold STROBE for more than 1 second2Press ¡ or Playing back in slow-motionZooming in and out 1Press ZOOM + to zoom in or ZOOM - to zoom out7To adjust the appearance of picture Changing the VFP settingGAMMA +0 5Press PLAY Playing back in the desired order-ProgramplayPlaying back in random order-Randomplay 4Repeat step 3 to program other tracksRepeating title, chapter, or tracks Repeat playRepeating a particular portion -A-Brepeat 7NOTES for MP3 disc MP3 disc playbackBasic operation 7To start playback7Operations Operating through the MP3 CONTROL screen7MP3 CONTROL screen 1Press Cursor 3/2 to select a group7NOTES for JPEG disc JPEG disc playbackSlide-show 7To start slide-showplayback7Operations Operating through the JPEG CONTROL screen7JPEG CONTROL screen 1Press Cursor 3/2 to select a groupChoice menus Using the choice menusConfiguration of the choice menus Operation buttons for the choice menus6Press ENTER Basic operating procedure1Press CHOICE 4Press ENTERLANGUAGE menu Using the choice menuLanguage codes list ¶AUDIO LANGUAGESelect one of the following settings PICTURE menuSelect one of the following settings Select one of the following settingsSelect one of the following settings AUDIO menuUsing the choice menu ¶L/R BALANCE¶LEVEL SPK. SETTING menu¶SIZE ¶DISTANCESelect one of the following settings OTHERS menuUsing the choice menu Select one of the following settingsSetting Parental Lock Restricting playback-ParentalLockReleasing Parental Lock temporarily Changing the setting of Parental LockUsing the choice menu Country/area codes list for Parental Lock 2Press and hold VCR 7Setting the transmittable signal for your VCROperating other manufacturers’ VCR 3 Press VCR CONTROLGeneral Notes MaintenanceCleaning the system Handling DiscsSOLUTION TroubleshootingPROBLEM GeneralSOLUTION DVD Playback FM/AMPROBLEM POSSIBLE CAUSEPROBLEM TroubleshootingMP3 Playback JPEG Playback SOLUTIONGlossary Output Power Specifications7Accessories 7Center unit XV-THA75RPage 0902TMMMDWJEM  2002 VICTOR COMPANY OF JAPAN, LIMITEDVICTOR COMPANY OF JAPAN, LIMITED