Adjustment - Hitachi CP-X430W Service Manual

4. Adjustment

4-1 Before adjusting
4-4-1 Selection of adjustment
When any parts in the table 4-1 are changed, choose
the proffer adjusting items with the chart.
4-4-2 Setting of condition before adjustment
1. Before starting adjustment, warm up the projector
for about 10 minutes.(Blank white)
2. Set Zoom Wide to Max. And project an image a
distance of more than 40 inches.
3. Normalizing the video adjustment.
(Press the [MENU] button of the Remote control
transmitter to display the Setup menu, and then press
the [RESET] button. And select the [DEFAULT].)
*note : The setup menu is not displayed on with no
signal.
4-2 Ghost adjustment
Signals for internal adjustment
30%
30% 0/255 112/255
Table 4-1: Relation between the replaced part and adjustment
Replaced
Ghost Flicker
part
(Chap.4-2) (Chap.4-3)
Dichroic
optics unit
LCD/LENS
prism
assembly
PWB
assembly
drive
Lamp
unit
assembly
: means need for adjustment.
: means recommended.
4. Perform all adjustments from the Adjustment menu.
Perform the following operations to display the
Adjustment menu.
a. Press the [MENU] button of the Remote control
transmitter (the Setup menu will appear).
b. Next, press the [RESET] button one time. And
press the [RESET] button again for 5 seconds
or more (the Adjustment menu will appear).
5. Set the normal at OPT-WHISPER in the menu.
6. Set the normal at IMAGE-GAMMA in the menu.
Adjustment procedure
1. Use DAC-P - GHOST - R: in the Adjustment menu
to adjust so that R color ghost is at a minimum.
(Set the adjustment value to default, and then raise
the value. When a light ghost appears to the left of
a vertical line, reduce the value by 2 steps. When a
dark ghost appears to the left of a vertical line,
reduce the value by 3 steps.)
2. In the same way, use DAC-P - GHOST-G: in the
Adjustment menu to adjust so that G color ghost is
at a minimum.
3. In the same way, use DAC-P - GHOST-B: in the
Adjustment menu to adjust so that B color ghost is
at a minimum.
CP-X430W
Adjustment
White Color
PSIG
balance uniformity
(Chap.4-4)
(Chap.4-5) (Chap.4-6)
: means not need for adjustment.
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