56
TROUBLESHOOTING (continued)
Symptoms That Seemingly Appear to be Failures (continued)
Symptom
Point to check
See page
• If the direct frequency from the computer is below 85Hz, try a
higher frequency (upper limit 85Hz). There may be a slight
attenuation of the current image.
• Try turning the Vertical Filter On. For this case however, the
vertical resolution will drop.
• Flickering in the form of horizontal lines oscillating up and
down.
(PC INPUT MODE only)
• When used for long periods of time, the top of the monitor may
heat up. This is not a malfunction.
• The top of the monitor heats up.
• The thicknesses of characters and lines may vary if images with
a vertical resolution greater than 512 lines are displayed;
however, this is not a malfunction.
• Text characters are displayed with varying thicknesses.
–
–
• This sometimes occurs when a component output VTR such as the
480i is connected.
This is not a malfunction; therefore, please take note that this may
occur. When it does occur, change to composite output,or S.video
output.
• The screen becomes dark and the images cannnot be seen
during VTR special playback (fast forward, rewind)
• Sub pictures image might not be able to be displayed, depending
on the combination.
(Refer to the table of “2 pictures mode” and “4 pictures mode”)
• During multi picture mode, sub pictures are not displayed.
• The screen display size is fixed at “Full” as receiving 1080i/60Hz,
1080i/50Hz, 720p/50Hz, and 720p/60Hz.
• The screen display sizes are not switched.
• Check the cable and output format of connecting device.
(Refer to “Connecting to an Audio Visual Device” and
“Recommended Signal List”.)
• Images from AV5 (HDMI) are not displayed.
–
–
42
43
27
13
61
• Coarse horizontal stripes appear in FULL display.
• There are locations on the screen that are different from
the periphery (*).
*Points that do not light, points with brightness different
from that of the periphery, points with colour different from
that of the periphery, etc.
• High-precision technology is used to manufacture the plasma
display panel, However in some cases, there are minor defects in
some parts of the screen. Please note that this is not a
malfunction.
• Vertical noises appear, depending on the screen contents.
• The plasma display panel is lighting the phosphors by the
discharge of internal radiation. Depending on the screen
contents, in rare cases this may cause vertical stripes to appear
because of failure to light. Please note that this is not a
malfunction.
–
–
• Adjusting the Clock Phase will reduce the horizontal stripes.
(RGB input)
• The message “NO SIGNAL” is displayed
in DTT mode.
• Check aerial lead if it is disconnected / damaged / misaligned.
• Check with your dealer if it is out of signal area or not.
NO SIGNAL
13
• No picture or sound is output.
• It might occur because it is tuned to digital teletext channel.
Return to another channel.
13
• The message “Scrambled channel” is
displayed.
• Check if the common interface module is inserted correctly.
Scrambled channel
• Forgotten channel lock code.
• Re-install channel to cancel channel lock.
30
• Forgotten menu lock code.
• Contact the customer service listed on the rear page.
14
–
13
33
• Check the aerial system to improve signal quality.
• Due to the bad reception, block noise interferes
during DTT mode.
