10
Troubleshooting
Solutions to common problems related to your monitor are described here. If none of the solutions
presented here solve the problem, unplug the monitor and consult a JVC-authorized dealer or service
center for assistance.
No picture
Stripes appear on the picture
Poor picture quality
White and bright still images look as if
they were colored
Top of the image from software
products or video tape is distorted
Cannot operate the remote control
Cannot turn on the monitor by using
the button on the front panel
Cannot operate the front control
buttons
Color patches appear at the corner of
the screen
Image takes a short period to be
displayed
Monitor emits crackling sound
Feel a slight electric shock when
touching the monitor screen
• Connect the signal cable firmly.
• Turn on the power of the connected component and set the
output correctly.
• Interference occurs caused by other devices such as an
amplifier, personal computer, or a hair drier.
Move such devices away from your monitor.
• 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.
• 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.
• The batteries may be exhausted. Replace with new batteries
(see page 5).
• Ensure that you are operating the remote less than seven
meters from the front of your monitor.
• The CONTROL LOCK function is turned on (see page 9).
Tu rn on the monitor by using the remote control, then
deactivate the CONTROL LOCK function.
• Deactivate the CONTROL LOCK function if it is turned on
(see page 9).
• This may be due to a magnetized device such as a speaker
near your monitor. Keep the device away from your monitor.
Alternately, you can also use a magnetically-shielded
speaker.
• It takes time for the image to be displayed stably.
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.
05-12_TM-21A2U-f.p65 06.3.6, 9:53 AM10
(28 pages)
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