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Actions to correct abnormal displays, Troubleshooting (continued) – Hitachi 55PD5000 User Manual

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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)

Actions to Correct Abnormal Displays

Symptom 1

Text displayed across the screen appears vertically streaked, with some characters blurred (figure 1).
The display image appears flowing (figure 2) (RGB input).

Example

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

Adjustment

procedure

1) Press the AUTO button on the remote control.

When adjustment is not possible with Auto Adjust
2) Press the MENU button. The Main Menu will be displayed.
3) Press the

SELECT button and select Setup.

4) Press the OK button. The Setup Menu will be displayed.
5) 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.)
6) Press the

or

ADJUST buttons and search for clear characters over the entire screen.

7) 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).

Example

ABCDEFGHIJ

abcdefgABCDEFGabcd

ABCDEFGHIJ

abcdefgABCDEFGabcd

Before adjustment

After adjustment

ABC

ABC

ABC

Before adjustment

After adjustment

Adjustment

procedure

1) Press the AUTO button on the remote control.

When adjustment is not possible with Auto Adjust
2) Press the MENU button. The Main Menu will be displayed.
3) Press the

SELECT button and select Setup.

4) Press the OK button. The Setup Menu will be displayed.
5) 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.)

6) Press

or

ADJUST buttons to make the text appear

clean across the screen.

6) Press

or

ADJUST buttons to make the text appear

without flickering.

TROUBLESHOOTING (continued)

Figure 2

Figure 3

Figure 1

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