Linearity [Dz-Gx20Ma Only] - Hitachi DZ-GX20MA Service Manual

Adjustment > Adjustment Procedure
6-4-7 Linearity
Preparation:
Set zoom to wide-angle end, and point at light box without
chart, filling the screen.
Procedure:
1) Choose LINEARITY on the ADJUST MENU
screen.
2) Click the EXECUTE button on ADJUST MENU screen
to start adjustment.
The progress status can be confirmed using the
PROGRESS STATUS dialog.
3) When adjustment is complete, the ADJUSTMENT
FINISHED dialog will appear: Click the OK button in
dialog to restore the ADJUST MENU screen.
If the LINEARITY ADJUSTMENT ERROR dialog
appears, click the OK button in dialog, perform the
appropriate corrective action, and then perform
readjustment. If the LINEARITY ADJUSTMENT
ERROR dialog still appears after the corrective action,
the lens unit may be faulty:
a) Turn the light box off, and then make sure that no
surrounding light reflects on glass surface of light
box. If any surrounding light does reflect on it,
perform adjustment in a place where no
surrounding light will affect the adjustment.
b) Widen or shorten the distance between the light box
and DVD video camera/recorder.
[DZ-GX20MA only]
ADJUST MENU screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
MODEL NAME:
ADJUST MENU
CONNECTION
PROGRESS STATUS dialog
LINEARITY
PLEASE WAIT A MOMENT
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
LINEARITY ADJUSTMENT ERROR
dialog
ERROR
Linearity Adjustment Error
6 - 30
××××
DATA INITIALIZE
VIDEO LEVEL
BURST LEVEL
AUTO FUCUS
AUTO IRIS CONTROL
SAMPLING PULSE
1
LINEARITY
MATRIX
CHROMA GAIN
SPOT NOISE
LCD
2
EXECUTE
RETURN
3
OK
OK