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Item
Initial Data Write Video Level Burst Level Sampling Pulse Autofocus
Purpose
To write initial data to EEPROM in which adjustment data has been stored 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 correct spot noise. To synchronize LCD image. To set the bright level and contrast of the LCD monitor.
Incompleted Phenomenon
-----------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.
Auto Iris Control Matrix
Chroma Gain Spot Noise LCD PLL LCD Contrast-1 LCD Bright LCD Contrast-2 LCD White Balance EVF BL DET Check EVF PLL EVF Contrast EVF Bright EVF White Balance
Color of the picture is denser or lighter than that of the subject. Spot noise occurs. Synchronization of LCD image is distorted. Color reproduction becomes defective 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.
-----------Synchronization of EVF image is distorted. Color reproduction becomes defective of the viewfinder.