Actions To Correct Abnormal Displays - Hitachi 42PD580DTA User Manual

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 PC RGB)
Text displayed across the screen appears vertically streaked, with some characters blurred (Figure 1).
Symptom 1
(PC RGB input).
Figure 1
Example
1) Press the MENU button. The Main Menu will be displayed.
2) Press the ▼ button and select "IMAGE".
3) Press the ENTER button. The "IMAGE" 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.
Adjustment
6) Press the ▼ button and select "IMAGE".
Procedure
7) Press the ENTER 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
10) Perform adjustment for symptom 2 below, when the characters are blurred on the entire screen.
• 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 (Figure 2).
Symptom 2
A fine pattern flickers when displayed on the screen (Figure 3).
Figure 2
Example
1) Press the MENU button. The Main Menu will be displayed.
2) Press the ▼ button and select "IMAGE".
3) Press the ENTER button. The Setup Menu will be displayed.
4) Press the ▼ button and select "Auto Adjust".
When adjustment is not possible with Auto Adjust
Adjustment 5) Press the MENU button. The Main Menu will be displayed.
procedure 6) Press the ▼ button and select "IMAGE".
7) Press the ENTER 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.)
9) Press or
across the screen.
48
buttons and search for clear characters over the entire screen.
buttons to make the text appear clean
Figure 3
9) Press or buttons to make the text appear without
flickering.