Adjustment > List of Adjustment Items

6-3-3 Purpose of Adjustments and Incompleted Phenomenon

Item

Purpose

Incompleted Phenomenon

 

 

 

Initial Data Write

To write initial data to EEPROM in

------------

 

which adjustment data has been stored

 

Video Level

To set the video output level.

The picture becomes dark or whitish.

Burst Level

To set the burst level.

 

Sampling Pulse

To measure the delay time in sampling

Diagonal beats and horizontal noise occur.

 

IC, and optimize pulse timing.

 

Autofocus

To set out-of-focus correction level

Focus is lost during zooming.

 

during zoom.

It takes time until a subject is brought into

 

 

focus, or correct focus is not obtained.

Auto Iris Control

To set iris control data.

The picture becomes too bright or dark.

Matrix

To compensate for unevenness in the

Color reproduction becomes defective.

 

chroma signal and input auto white

 

 

balance control data.

 

Chroma Gain

To set color saturation for the

Color of the picture is denser or lighter

 

reference color temperature.

than that of the subject.

Spot Noise

To correct spot noise.

Spot noise occurs.

LCD PLL

To synchronize LCD image.

Synchronization of LCD image is distorted.

LCD Contrast-1

To set the bright level and contrast of

Color reproduction becomes defective of the

LCD Bright

the LCD monitor.

LCD monitor.

LCD Contrast-2

 

 

LCD White Balance

 

 

EVF BL DET Check

To check the characteristics of EVF

------------

 

backlight.

 

EVF PLL

To synchronize EVF image

Synchronization of EVF image is distorted.

EVF Contrast

To set the bright level and contrast of

Color reproduction becomes defective of the

EVF Bright

the viewfinder.

viewfinder.

EVF White Balance

 

 

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Hitachi service manual Purpose of Adjustments and Incompleted Phenomenon, Purpose Incompleted Phenomenon
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