Hitachi service manual EVF White Balance, SUB Contrast RED Adjustment screen

Adjustment > Adjustment Procedure

(5) EVF White Balance

EVF ADJUSTMENT MENU screen

Preparations:

1)Connect the oscilloscope CH1 to “EVF-R (pin 2)” of Skylark Connection jig.

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

3)Connect the oscilloscope EXT TRIG to video output.

4)Switch the oscilloscope V-MODE to “ALT” and TRIGGER SOURCE to “EXT”.

5)Set the switches and knobs on oscilloscope so that the CH1 and CH2 waveforms appear as shown in Fig. 6-4- 16.

Procedure:

1)Choose WHITE BALANCE on the EVF ADJUSTMENT MENU screen.

2)Click the EXECUTE button on EVF ADJUSTMENT MENU screen to proceed with the SUB CONTRAST RED ADJUSTMENT screen.

3)Click the UP and DOWN buttons so that level a of CH1 waveform is equal to level b of CH2 waveform. Click the button at approx. 2-second intervals while checking increase or decrease level a.

4)After step 3) is complete, be sure to click the NEXT button, and then proceed with the SUB BRIGHT RED ADJUSTMENT screen.

Note that clicking the RETURN button will restore the EVF ADJUSTMENT MENU screen to the status before the adjustment was performed.

5)Use the same procedure as in step 3) to equalize levels c and d of the waveform.

6)After step 5) is complete, be sure to click the NEXT button, and then proceed with the SUB CONTRAST BLUE ADJUSTMENT screen.

MANUAL ADJUSTMENT PROGRAM for SERVICE STATION

EVF ADJUSTMENT MENU

EVF ADJUSTMENT MENU

PLL
CONTRAST
BRIGHT
WHITE BALANCE	1

2 EXECUTE RETURN

CONNECTION

SUB CONTRAST RED ADJUSTMENT screen.

MANUAL ADJUSTMENT PROGRAM for SERVICE STATION

SUB CONTRAST RED ADJUSTMENT

UP DOWN

3

4 NEXT RETURN

CONNECTION

SUB BRIGHT RED ADJUSTMENT screen.

MANUAL ADJUSTMENT PROGRAM for SERVICE STATION

SUB BRIGHT RED ADJUSTMENT

UP

DOWN

5

6

NEXT

RETURN

CONNECTION

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