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TROUBLESHOOTING (continued)
Symptoms That Seemingly Appear to be Failures (continued)
Symptom Point to check See page
• 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 color 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 stripes 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.
-
• Coarse horizontal stripes appear in FULL display. • Adjusting the Clock Phase will reduce the horizontal
stripes.
(PC RGB input)
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• Flickering in the form of horizontal lines oscillating up and
down. (PC RGB input only)
• 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.
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• The top of the monitor heats up. • When used for long periods of time, the top of the monitor
may heat up. This is not a malfunction.
-
• Text characters are displayed with varying thicknesses. • 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.
-
• The screen becomes dark and the images can not be seen
during VTR special playback (fast forward, rewind)
• 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.
-
• During PIP mode, sub pictures are not displayed. • Sub pictures image might not be able to be displayed,
depending on the combination.
(Refer to the table of PIP input table)
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• The screen display sizes are not switched. • The screen display size is fixed at “Full” as receiving VGA
signal.
-
• Images from HDMI are not displayed. • Check the cable and output format of connecting device.
(Refer to “Connecting to an Audio Visual Device”.)
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HITACHI MODEL 42PD6000TA
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