Adjustment - Hitachi CP-X880 Service Manual

4. Adjustment

4-1 Before adjusting
4-1-1 Adjustment menu
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, then press
the [RESET] button. And select the [DEFAULT].)
4-1-2 Required adjustment
Relation between the replacement part and
required adjustment are shown in Table 4-1-2.
4-2 Ghost adjustment
Signals for internal adjustment
30%
30% 0/255
CP-X880/CP-X885
4. Perform all adjustments from the Adjustment
Tabel 4-1-2: Required adjustment
Adjustment procedure
1. Use DAC-P - GHOST - R: in the Adjustment menu
112/255
2. In the same way, use DAC-P - GHOST-G: in the
3. In the same way, use DAC-P - GHOST-B: in the
5
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).
Required LCD/LENS
Dichroic
adjustment
optics unit
assembly
Ghost
(Chap.4-2)
Flicker
(Chap.4-3)
NRSH
(Chap.4-4)
White balance
(Chap.4-5)
Color uniformity
(Chap.4-6)
: need : recommend
to adjust so that R color ghost is at a minimum.
(Press the [RESET] button, then raise the value.
When a ghost appears to the left of a vertical
line, reduce the value by 2 steps.)
Adjustment menu to adjust so that G color
ghost is at a minimum.
Adjustment menu to adjust so that B color ghost
is at a minimum.
Replaced part
PWB
Lamp
prism assembly
unit
drive
: no need