Hitachi DZ-GX5020A K Service Manual page 119

Adjustment > Adjustment Procedure
(1) LCD PLL
Preparation:
Connect the frequency counter to "LCD-HDO
(pin 11)" of Halcyon connector.
Procedure:
LCD ADJUSTMENT MENU screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
LCD ADJUSTMENT MENU
LCD ADJUSTMENT MENU
PLL
CONTRAST
BRIGHT
WHITE BALANCE
2
EXECUTE
CONNECTION
1) Choose PLL.
2) Click the EXECUTE button.
Synchronization of the video on LCD monitor
screen will be off at this time, and the image
will fl ow.
1
RETURN
6 - 34
PLL ADJUSTMENT screen.
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
PLL ADJUSTMENT
UP
3
4
SAVE
CONNECTION
3) Click the UP or DOWN button so that the
frequency is 15.734 kHz ± 0.1 kHz. Click the
button at approx. 2-second intervals while
checking the variation of frequencies.
4) After step 3) is complete, be sure to click the
SAVE button.
Note that clicking the RETURN button will
restore the LCD ADJUSTMENT MENU
screen to the status before the adjustment
was performed.
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
5
OK
5) Click the OK button in dialog to restore the
LCD ADJUSTMENT MENU screen.
DOWN
RETURN