Hitachi hitachi lcd monitor Troubleshooting Actions to Correct Abnormal Displays, Symptom

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)

Symptom 1	Text displayed across the screen appears vertically streaked, with some characters blurred (Figure 1).
	Figure 1			Vertical Streaks
					Before adjustment.
					Some characters are blurred.
					After adjustment.
					All characters appear
Example					crisp now.
					After adjustment.
					All characters are
					blurred.
	1)	Press the MENU button. The Main Menu will be displayed.
	2)	Press the	SELECT button and select Setup.
	3)	Press the OK button. The Setup Menu will be displayed.
	4)	Press the	SELECT button and select Auto Adjust.
Adjustment	When adjustment is not possible with Auto Adjust
	5)	Press the MENU button. The Main Menu will be displayed.
procedure
	6)	Press the	SELECT button and select Setup.
	7)	Press the OK button. The Setup Menu will be displayed.
	8)	Press the	SELECT 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 ADJUST buttons 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.

•The display image may be momentarily disturbed during clock adjustment but this is not a failure.

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).
		Figure 2				Before adjustment	Figure 3				Before adjustment
Example
						After adjustment				After adjustment
	1)		Press the MENU button. The Main Menu will be displayed.
	2)		Press the	SELECT button and select Setup.
	3)		Press the OK button. The Setup Menu will be displayed.
	4)		Press the	SELECT button and select Auto Adjust.
Adjustment		When adjustment is not possible with Auto Adjust
	5)		Press the MENU button. The Main Menu will be displayed.
procedure	6)		Press the	SELECT button and select Setup.
	7)		Press the OK button. The Setup Menu will be displayed.
	8)		Press the	SELECT 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		ADJUST buttons to make the text appear		9) Press		or ADJUST buttons to make the text appear
			clean across the screen.					without flickering.

ENGLISH

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