Hitachi DZ-GX20MA Service Manual page 134

Adjustment > Adjustment Procedure
7) Click the GAIN UP or GAIN DOWN button in ROUGH
ADJUSTMENT box so that the value of red vector or red
level approaches that in Table 6-4-1. Click the button at
approx. 2-second intervals while checking the increase or
decrease of vector or level.
8) Click the GAIN UP or GAIN DOWN button in FINE
ADJUSTMENT box so that the value of red vector or red
level matches that in Table 6-4-1. Click the button at
approx. 2-second intervals while checking any increase
or decrease in vector or level.
9) After step 8) is complete, be sure to click the SAVE
button.
Note that clicking the RETURN button will restore the
ADJUST MENU screen to the status before the
adjustment was performed.
10) When save is complete, the ADJUSTMENT FINISHED
dialog will appear: Click the OK button in dialog to
restore the ADJUST MENU screen.
11) Press the MENU button on DVD video camera/recorder,
and use the joystick to specify (return to) "White Bal.:
Auto".
Table 6-4-1 Value of Red Level/Vector
Model When using a vectorscope
DZ-GX20MA
DZ-MV780MA A = 240 % ± 5 %
DZ-MV750MA
RED
BURST
100%
Fig. 6-4-5 When using a vectorscope
When using an oscilloscope
B = 690mV ± 20 mVp-p
A
Fig. 6-4-6 When using an oscilloscope
6 - 33
CHROMA GAIN ADJUSTMENT screen
MANUAL ADJUSTMENT PROGRAM for SERVICE STATION
CHROMA GAIN ADJUSTMENT
ROUGH ADJUSTMENT FINE ADJUSTMENT
GAIN UP
GAIN DOWN
7
9 SAVE
CONNECTION
ADJUSTMENT FINISHED dialog
FINISHED
ADJUSTMENT FINISHED.
10
OK
RED
GAIN UP
GAIN DOWN
8
RETURN
B