Actions To Correct Abnormal Displays - Hitachi CMP307XE User Manual

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TROUBLESHOOTING (continued)

Actions to Correct Abnormal Displays

Depending on the kind of system equipment used, images may not be displayed normally. In this case,
make the adjustments suggested below.
Text displayed across the screen appears vertically streaked, with some characters blurred (display 1).
Symptom 1
The display image appears flowing (display 2) (RGB input).
Display 1
ABCDEFGHIJ
abcdefgABCDEFGabcd
ABCDEFGHIJ
abcdefgABCDEFGabcd
Example
ABC
After adjustment
All characters appear
crisp now.
Press MENU button to open the adjustment menu.
Press the
key of the SELECT button 2 times and select DISPLAY.
Press
to open the DISPLAY menu.
Press the
key 3 times and select CLOCK.
Adjustment
(Adjust the clock by displaying a fine pattern, such as a character string, or vertical streak pattern across the screen.)
procedure
Press
or
to make the text appear
uniform across the screen.
If the text appears blurred across the screen,
make the adjustment instructed in Symptom 2.
The display image may be momentarily disturbed during clock adjustment but this is not a failure.
Text displayed across the screen appears blurred in its entirety (display 3).
Symptom 2
A fine pattern flickers when displayed on the screen (display 4).
Display 3
ABCDEFGHIJ
abcdefgABCDEFGabcd
ABCDEFGHIJ
abcdefgABCDEFGabcd
Example
Press MENU button to open the adjustment menu.
Press the
key of the SELECT button 2 times and select DISPLAY.
Press
to open the DISPLAY menu.
Adjustment
Press the
key 4 times and select PHASE.
procedure
(Adjust the phase by displaying a fine pattern, such as a character string, or vertical streak pattern across the screen.)
Press
or
to make the text appear clean
across the screen.
24
Display 2
Vertical
Before adjustment
streaks
Some characters
are blurred.
ABC
B
ABC
ABC
After adjustment
All characters are
blurred.
Press
without flickering.
Display 4
Before adjustment
ABC
ABC
After adjustment
ABC
Press
flickering.
or
to make the text appear
Before adjustment
After adjustment
or
to make the text appear without

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