JVC AV-20NX14, AV-21DX14 Troubleshooting, Check the aerial cable and its connection with the

Models: AV-21DX14, AV-20NX14 AV-20NX14, AV-21DX14

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Troubleshooting

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.

 

• Choose the appropriate sound system. Refer to

 

“SOUND SYSTEM” on page 12.

 

 

• 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 colour system. Refer to

 

“COLOUR SYSTEM” on page 9.

Adjust the COLOUR 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 coloured

 

 

 

• 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.

 

 

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 SHUT OFF function is

suddenly

activated. Press the POWER button to turn on the

 

TV.

 

 

Colour 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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JVC AV-20NX14, AV-21DX14 Troubleshooting, Check the aerial cable and its connection with the, try operating the menus