Hitachi DZ-MV580EAU Service Manual page 135

Adjustment > Adjustment Procedure
(3) EVF Contrast
Preparations:
1) Confirm the CH1 connection to video out.
2) Connect the oscilloscope CH2 to "EVF-G (pin 4)" of
Skylark Connection jig.
3) Switch the oscilloscope V-MODE to "CH2": Leave the
TRIGGER SOURCE in "CH1" as is.
Procedure:
1) Choose CONTRAST on the EVF ADJUSTMENT MENU
screen.
2) Click the EXECUTE button on EVF ADJUSTMENT
MENU screen to proceed with the CONTRAST
ADJUSTMENT screen.
3) Click the UP or DOWN button so that level A of the
waveform is 1.9V ± 0.1Vp-p. Click the button at approx.
2-second intervals while checking any increase or
decrease in level A.
4) After step 3) is complete, be sure to click the SAVE
button.
Note that clicking the RETURN button will restore the
EVF 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 EVF ADJUSTMENT MENU screen.
A = 1.9V ± 0.1Vp-p
Fig. 6-4-14 Waveform of EVF Contrast Adjustment
EVF ADJUSTMENT MENU screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
EVF ADJUSTMENT MENU
CONNECTION
CONTRAST ADJUSTMENT screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
CONTRAST ADJUSTMENT
4
CONNECTION
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
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EVF ADJUSTMENT MENU
PLL
1
CONTRAST
BRIGHT
WHITE BALANCE
2
EXECUTE
RETURN
UP DOWN
3
SAVE RETURN
5
OK