JVC GGT0079-001A-H, AV-20NN15 specifications Troubleshooting

Page 35

Troubleshooting

If a problem occurs when you are using the TV, check the below troubleshooting guide before calling for repair.

• No picture,

• Deactivate the BLUE BACK function if it is turned

no sound

on.

Snowy picture • Check the aerial cable and its connection with the TV.

Stripes appear on • Interference occurs caused by other devices such

the picture

as an amplifier, personal computer, or a hair drier.

 

Move such devices away from your TV.

Double-pictures • Interference occurs caused by signal reflecting

(ghosting) occur

from mountains or building. Try to adjust the

 

aerial’s direction or use a better directionality

 

antenna.

• Poor picture

• Choose the appropriate color system. Refer to

 

“COLOR SYSTEM” on page 9.

Adjust the COLOR or BRIGHT setting. Refer to “Adjusting the picture - USER” on page 10.

White and bright still • Inevitable phenomenon due to the nature of the

image look as if it

picture tube. This is not a malfunction.

were colored

 

Top of the image • This is due to the condition of the video signal

from software

whereby the image was not recorded properly.

products or video

This is not a malfunction.

tape is distorted

 

 

 

• Poor sound

• Adjust the sound frequency properly. Refer to

 

“EQUALIZER” on page 13.

Stereo or bilingual • TV channel reception is poor. Change the stereo/

sound is unclear

bilingual mode to mono sound (see page 13).

Cannot operate the • The batteries may be exhausted. Replace with

remote control

new batteries (see page 7).

Ensure that you are operating the remote less than seven meters from the front of your TV.

Cannot operate the • Press TV/VIDEO button to return to TV mode and

menus

try operating the menus.

Cannot operate the • Deactivate the CHILD LOCK function if it is turned

front control buttons on (see page 15).

TV is turned off • This may due to the AUTO SHUTOFF function is

suddenly

activated. Press the POWER button to turn on the

 

TV.

Color patches • This may due to the magnetized device such as a

appear at the corner

speaker near to your TV. Keep the device apart

of the screen

from your TV. Alternately, you can also use the

 

magnetic-shielded speaker.

Image takes a short • Image required time to stabilize before display.

period to be

This is not a malfunction.

displayed

 

 

 

TV may emitted • This is due to a sudden change in temperature

crackling sound and it is not a malfunction. If the crackling sound

is too frequent, request your service technician for inspection.

Feel a slight electric • This is due to the static electricity of the picture

shock when

tube and it will not harm the human body. This is

touching the TV

not a malfunction.

screen

 

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Contents Color Television Function Description Safety InstructionsMain features Knowing your TV’s functionsNo. Press Remote control buttons and basic functionsMenu Top menu 2nd menu Menu Top menu 2nd menu 3rd menu Rear of the TV TV buttons and functionsFront of the TV Turn on the TV by pressing the main power button Setting up your TVConnecting the antenna To install rod antenna Makingthe initial settings Setting up your TVNTSC4.43 NTSC3.58 Basic setting for pictureAdjusting the picture User TV mode Ntsc 3.58 MHz Fixed In Video modeAdvanced setting for sound Advance setting for pictureOriginal features for picture To register the favorite channel Favorite channel and video settingTo adjust favorite channel setting To adjust the video settingVNR Customized settingTo register the TV channels auto- matically TV channel presettingAdditional preparation TroubleshootingSpecifications Memo Victor Company of Japan, Limited NIC-JMT AV-21CA15 15 cm Favorite CH Channel Knowing your TV’s featuresConfirm your TV’s functions Press Remote control buttons and basic functionsTop menu 2nd menu Remote control buttons and basic functionsHow to operate menus and menus locations OperationTo display main menu and exit TV buttons and functionsFront of the TV Rear of the TVTurn off the equipment including the TV before connecting Setting up your TVMaking the initial settings Setting up your TVColor System Basic setting for picturePicture Mode White Balance Basic setting for picture Adjusting the picture UserBlue Back Advanced setting for pictureSound Turbo Basic setting for soundSound Mode BalanceMTS Advanced setting for soundAI Volume Cinema SurroundTo adjust the video setting Video Setting Favorite channel and video settingTo adjust favorite channel setting Favorite CH SettingChild Lock Customized settingOFF Timer VNRDisplay Customized settingAuto Shutoff EXT. Input TV/VIDEOChannel Summary TV channel presettingTo register the TV channels automatically Additional preparation Connecting to front video input terminalBefore connecting Troubleshooting Sound-multiplex systems Specifications