JVC AV-21VT14 CRT Television User Manual


 
20
Troubleshooting
If a problem occurs when you are using the TV, check the below
troubleshooting guide before calling for repair.
Deactivate the BLUE BACK function if it is turned
on.
Check the aerial cable and its connection with the
TV.
Interference occurs caused by other devices such
as an amplifier, personal computer, or a hair drier.
Move such devices away from your TV.
Interference occurs caused by signal reflecting
from mountains or building. Try to adjust the
aerials direction or use a better directionality
antenna.
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.
Inevitable phenomenon due to the nature of the
picture tube. This is not a malfunction.
This is due to the condition of the video signal
whereby the image was not recorded properly.
This is not a malfunction.
Adjust the sound frequency properly. Refer to
EQUALIZER on page 13.
TV channel reception is poor. Change the stereo/
bilingual mode to mono sound (see page 13).
No picture,
no sound
Snowy picture
Stripes appear on
the picture
Double-pictures
(ghosting) occur
Poor picture
White and bright still
image look as if it
were colored
Top of the image
from software
products or video
tape is distorted
Poor sound
Stereo or bilingual
sound is unclear
The batteries may be exhausted. Replace with
new batteries (see page 7).
Ensure that you are operating the remote less
than seven meters from the front of your TV.
Press TV/VIDEO button to return to TV mode and
try operating the menus.
Deactivate the CHILD LOCK function if it is turned
on (see page 15).
This may due to the AUTO SHUT OFF function is
activated. Press the POWER button to turn on the
TV.
This may due to the magnetized device such as a
speaker near to your TV. Keep the device apart
from your TV. Alternately, you can also use the
magnetic-shielded speaker.
This may due to the earth magnetism. Refer to
PICTURE TILT on page 11 to correct the tilt.
Image required time to stabilize before display.
This is not a malfunction.
This is due to a sudden change in temperature
and it is not a malfunction. If the crackling sound
is too frequent, request your service technician for
inspection.
This is due to the static electricity of the picture
tube and it will not harm the human body. This is
not a malfunction.
Cannot operate the
remote control
Cannot operate the
menus
Cannot operate the
front control buttons
TV is turned off
suddenly
Color patches
appear at the corner
of the screen
Picture is tilted
Image takes a short
period to be
displayed
TV may emitted
crackling sound
Feel a slight electric
shock when
touching the TV
screen
GGT0040-001A-H(11-20) 6/29/04, 6:05 PM20