Hitachi DZ-GX20A Service Manual page 142

Adjustment > Adjustment Procedure
7) Connect the oscilloscope CH1 to "LCD-B (pin 12)" of
Halcyon connector.
8) Use the same procedure as in step 3) to equalize levels a
and b of the waveform. (See Fig. 6-4-11)
9) After step 8) is complete, be sure to click the NEXT
button, and then proceed with the SUB BRIGHT BLUE
ADJUSTMENT screen.
10) Use the same procedure as in step 3) to equalize levels c
and d of the waveform.
11) After step 10) is complete, be sure to click the SAVE
button.
12) When save is complete, the ADJUSTMENT FINISHED
dialog will appear: Click the OK button in dialog to
restore the LCD ADJUSTMENT MENU screen.
13) Click the RETURN button in LCD ADJUSTMENT
MENU to restore the ADJUST MENU screen.
SUB CONTRAST BLUE ADJUSTMENT
screen.
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
SUB CONTRAST BLUE ADJUSTMENT
9
CONNECTION
SUB BRIGHT BLUE ADJUSTMENT
screen.
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
SUB BRIGHT BLUE ADJUSTMENT
11
CONNECTION
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
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UP DOWN
8
SAVE RETURN
UP DOWN
10
NEXT
RETURN
12
OK