Hitachi PW2 42PD7500, Руководство пользователя

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57
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. (only for RGB2)
ABC
B
ABCDEFGHIJ
abcdefgABCDEFGabcd
ABCDEFGHIJ
abcdefgABCDEFGabcd
Vertical
streaks
Before adjustment,
some characters
are blurred.
After adjustment,
all characters appear
crisp now.
After adjustment,
all characters are
blurred.
ABC
ABC
ABC
ABCDEFGHIJ
abcdefgABCDEFGabcd
ABCDEFGHIJ
abcdefgABCDEFGabcd
Before adjustment
After adjustment
ABC
ABC ABC
Before adjustment
After adjustment
• The display image may be momentarily disturbed during clock adjustment but this is not a failure.
Symptom 1
Figure 1
Text displayed across the screen appears vertically streaked, with some characters blurred (Figure 1).
(RGB input).
1) Press the MENU button. The Main Menu will be displayed.
2) Press the
button and select Setup.
3) Press the OK button. The Setup Menu will be displayed.
4) Press the
button and select Auto Adjust.
When adjustment is not possible with Auto Adjust
5) Press the MENU button. The Main Menu will be displayed.
6) Press the
button and select Setup.
7) Press the OK button. The Setup Menu will be displayed.
8) Press the
button and select Horizontal Clock.
(Display fine patterns as characters or a vertical striped pattern over the entire screen during Horizontal Clock adjustment.)
9) Press the
or button and search for clear characters over the entire screen.
10) Perform adjustment for symptom 2 below, when the characters are blurred on the entire screen.
Adjustment
procedure
Example
Symptom 2
Text displayed across the screen appears blurred in its entirety (Figure 2).
A fine pattern flickers when displayed on the screen (Figure 3).
1) Press the MENU button. The Main Menu will be displayed.
2) Press the
button and select Setup.
3) Press the OK button. The Setup Menu will be displayed.
4) Press the
button and select Auto Adjust.
9) Press or button to make the text appear clean across
the screen.
9) Press or button to make the text appear without
flickering.
Adjustment
procedure
Example
Figure 2 Figure 3
When adjustment is not possible with Auto Adjust
5) Press the MENU button. The Main Menu will be displayed.
6) Press the
button and select Setup.
7) Press the OK button. The Setup Menu will be displayed.
8) Press the
button and select Clock Phase.
(Display fine patterns as characters or a vertical striped pattern over the entire screen during Clock Phase adjustment.)