Hitachi DZMV380EAU Service Manual page 114

Adjustment > Adjustment Procedure
(1) LCD PLL
Preparation:
Connect the frequency counter to "LCD-HDD (pin 9)" of
Skylark Connection jig.
Procedure:
1) Check PLL on the LCD ADJUSTMENT MENU screen.
2) Click the EXECUTE button on LCD ADJUSTMENT
MENU screen to proceed with the PLL ADJUSTMENT
screen.
Synchronization of the video on LCD monitor screen
will be off at this time, and the image will flow.
3) Click the UP or DOWN button so that the reading on
frequency counter matches the value in Table 6-4-2.
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.
5) When save is complete, the ADJUSTMENT FINISHED
dialog will appear: Click the OK button in dialog to
restore the LCD ADJUSTMENT MENU screen.
Table 6-4-2 Value of Frequency
Model
DZ-MV350A/MV380A
DZ-MV350E/MV380E
Value
15.734 kHz ± 0.1 kHz
15.625 kHz ± 0.1 kHz
6 - 33
LCD ADJUSTMENT MENU screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
LCD ADJUSTMENT MENU
LCD ADJUSTMENT MENU
PLL
BRIGHT
CONTRAST
WHITE BALANCE
2
EXECUTE
PLEASE SELECT ADJUST
PLL ADJUSTMENT screen.
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
PLL ADJUSTMENT
UP
3
4 SAVE
RETURN
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
5
OK
1
RETURN
DOWN