Purpose Of Adjustments And Incompleted Phenomenon - Hitachi DZ-MV350A Service Manual

Adjustment > List of Adjustment Items

6-3-3 Purpose of Adjustments and Incompleted Phenomenon

Item
Data Initialize
Video Level
Burst Level
Sampling Pulse
Autofocus
Auto Iris Control
Matrix
Chroma Gain
Stabilizer
Spot Noise
LCD PLL
LCD Bright
LCD Contrast
LCD White Balance
EVF BL DET Check
EVF PLL
EVF Bright
EVF Contrast
EVF White Balance
Purpose
To initialize EEPROM.
To set the video output level.
To set the burst level.
To measure the delay time in sampling
IC, and optimize pulse timing.
To set out-of-focus correction level
during zoom.
To set iris control data.
To compensate for unevenness in the
chroma signal and input auto white
balance control data.
To set color saturation for the
reference color temperature.
To write to EEPROM compensation
data set at the factory
To correct spot noise.
To synchronize LCD image.
To set the bright level and contrast of
the LCD monitor.
To check the characteristics of EVF
backlight.
To synchronize EVF image
To set the bright level and contrast of
the viewfinder.
6 - 20
Incompleted Phenomenon
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The picture becomes dark or whitish.
Diagonal beats and horizontal noise occur.
Focus is lost during zooming.
It takes time until a subject is brought into
focus, or correct focus is not obtained.
The picture becomes too bright or dark.
Color reproduction becomes defective.
Color of the picture is denser or lighter
than that of the subject.
Correct stabilizer is not obtained.
Spot noise occurs.
Synchronization of LCD image is distorted.
Color reproduction becomes defective of the
LCD monitor.
------------
Synchronization of EVF image is distorted.
Color reproduction becomes defective of the
viewfinder.