Additional Preparation; Troubleshooting - JVC AV-21CN14/T Instructions Manual

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Additional preparation

The illustrations shown in this section are for AV-21CN14 only, which are used for explanation purposes.
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.

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.
Front of the TV
VIDEO AUDIO
IN (VIDEO-2)
Headphones
Rear of the TV
VIDEO-1
OUTPUT
INPUT
VIDEO
AUDIO
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.
MENU
Camcorder or TV game
OK
VCR (for playing)
DVD player
(Composite signals)
VCR (for recording)
13

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