Additional preparation

The illustrations shown in this section are for AV-20NN15 only, which are used for explanation pur- poses. Your TV may not look exactly the same as the illustration.

Before connecting

Read the manuals provided with the devices for the proper connection.

Turn off all the devices including the TV.

Note that connecting cables are not supplied.

Front of the TV

 

IN(VIDEO-2)

MENUOK

 

VDEOAUDIO

Camcorder or TV game

Headphones￿￿￿￿￿￿￿￿ ￿￿￿￿￿￿

Rear of the TV

￿￿￿￿￿

VCR (for playing)

DVD player

 

￿￿￿￿￿

(Composite signals)

VCR (for recording)

 

Troubleshooting

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

No picture,

• Deactivate the BLUE BACK function

no sound

if it is turned on.

Snowy picture

• Check the antenna cable and its

 

connection with the TV.

Stripes appear

• Interference occurs caused by other

on the picture

devices such as an amplifier,

 

personal computer, or a hair drier.

 

Move such devices away from your

 

TV.

Double-pictures

• Interference occurs caused by

(ghosting) occur

signal reflecting from mountains or

 

building. Try to adjust the antenna

 

direction or use a better directional-

 

ity antenna.

Poor picture

• Choose the appropriate color

 

system. Refer to “COLOR SYSTEM”

 

on page 8.

 

• Adjust the COLOR or BRIGHT

 

setting. Refer to “Adjusting the

 

picture - USER” on page 8.

White and bright

• Inevitable phenomenon due to the

still image look as

nature of the picture tube. This is

if it were colored

not a malfunction.

Top of the image

• This is due to the condition of the

from software

video signal whereby the image

products or video

was not recorded properly.

tape is distorted

This is not a malfunction.

Cannot operate the• The batteries may be exhausted.

remote control

Replace with new batteries (see

 

page 6).

 

• 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

menus

TV mode and try operating the

 

menus.

Cannot operate the• Deactivate the CHILD LOCK

front control

function if it is turned on (see page

buttons

11).

TV turns off

• This may due to the AUTO SHUT

suddenly

OFF function is activated. Press the

 

POWER button to turn on the TV.

Color patches

• This may due to a magnetized

appear at the

device such as a speaker near to

corner of the

your TV. Keep the device apart

screen

from your TV. Alternately, you can

 

also use the magnetically shielded

 

speaker.

Image takes a

• A short periode of time is required

short period to be

to stabilize the image.

displayed

This is not a malfunction.

TV emits a

• This is due to a sudden change in

crackling sound

temperature and it is not a

 

malfunction. If the crackling sound

 

is too frequent, request your service

 

technician for inspection.

Feel a slight

• This is due to the static electricity

electric shock

of the picture tube and it will not

when touching the

harm the human body. This is not a

TV screen

malfunction.

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