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(3) LCD Brightness
Note:
1) Be sure to adjust LCD contrast-1 before performing
LCD brightness adjustment.
2) Be sure to adjust LCD contrast-2 after completing LCD
brightness adjustment.
Preparations:
1) Connect the oscilloscope CH2 to “LCD-G (pin 5)” of
Skylark Connection jig.
2) Switch the oscilloscope V-MODE to “CH2”: Leave the
TRRIGER SOURCE in “CH1” as is.
Procedure:
1) Choose BRIGHT on the LCD ADJUSTMENT MENU
screen.
2) Click the EXECUTE button on LCD ADJUSTMENT
MENU screen to proceed with the BRIGHT
ADJUSTMENT screen.
3) Click the UP or DOWN button so that the value of level
B of waveform is 2.35V ± 0.1Vp-p. Click the button at
approx. 2-second intervals while checking any increase
or decrease in level B.
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.
LCD ADJUSTMENT MENU screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
LCD ADJUSTMENT MENU
PLL
EXECUTE
RETURN
CONNECTION
LCD ADJUSTMENT MENU
WHITE BALANCE
BRIGHT
CONTRAST
2
1
Adjustment > Adjustment Procedure
BRIGHT ADJUSTMENT screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
SAVE
RETURN
BLIGHT ADJUSTMENT
UP
DOWN
CONNECTION
4
3
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
OK
5
Fig. 6-4-9 Waveform of LCD Bright Adjustment
B = 2.35V ± 0.1Vp-p