Hitachi DZ-BX35E, Руководство по обслуживанию

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(3) LCD Brightness
Preparations:
1) Connect the oscilloscope CH2 to “LCD-G
(pin 13)” of Halcyon connector.
2) Switch the oscilloscope V-MODE to
“CH2”: Leave the TRRIGER SOURCE in
“CH1” as is.
Procedure:
1) Choose BRIGHT.
2) Click the EXECUTE button.
Adjustment > Adjustment Procedure
3) Click the UP or DOWN button so that the
value of level B of waveform is 2.6V ± 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) 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
BRIGHT ADJUSTMENT screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
SAVE RETURN
B R IGHT ADJUSTMENT
UP DOWN
CONNECTION
4
3
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
OK
5
Fig. 6-4-9 Waveform of LCD Bright Adjustment
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