Hitachi service manual EVF Brightness, Waveform of EVF Bright Adjustment

Adjustment > Adjustment Procedure

(4) EVF Brightness

Preparations:

1)Connect the oscilloscope CH1 to video output.

2)Connect the oscilloscope CH2 to “EVF-G (pin 4)” of Skylark Connection jig.

3)Switch the oscilloscope V-MODE to “CH2” and TRIGGER SOURCE to “CH1”.

Procedure:

1)Choose BRIGHT on the EVF ADJUSTMENT MENU screen.

2)Click the EXECUTE button on EVF ADJUSTMENT MENU screen to proceed with the BRIGHT ADJUSTMENT screen.

3)Click the UP or DOWN button so that level B of the waveform is 3.1V ± 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 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.

B = 3.1V ± 0.1Vp-p

EVF ADJUSTMENT MENU screen

MANUAL ADJUSTMENT PROGRAM for SERVICE STATION

EVF ADJUSTMENT MENU

EVF ADJUSTMENT MENU

PLL
CONTRAST
BRIGHT	1
WHITE BALANCE

2 EXECUTE RETURN

CONNECTION

BRIGHT ADJUSTMENT screen

MANUAL ADJUSTMENT PROGRAM for SERVICE STATION

BLIGHT ADJUSTMENT

UP DOWN

3

4 SAVE RETURN

CONNECTION

ADJUSTMENT FINISHED dialog

FINISHED

ADJUSTMENT FINISHED.

OK 5

Fig. 6-4-15 Waveform of EVF Bright Adjustment

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