Adjustment - Hitachi CP-X960WA Service Manual

4. Adjustment

4 - 1 Before adjusting
1. Before starting adjustment, warm up the projector
for about 10 min.
2. Set Zoom Wide to Max. and project an image a
distance of 40 inches.
3. Normalizing the video adjustment.
(Press the MENU button of the remote controller to
display the Video menu, then press the RESET
button.)
4 - 2 S/H timing adjustment
Adjustment preparations
1. Use the XGA VESA (60) timing signal to input a
0.7Vp-p cross hatch signal.
2. Use H.PHASE in the Video menu to adjust until the
cross hatch vertical stripes are most clearly visible.
3. Reset S/H.
Position the cursor on S/H in the Adjustment Menu
and then press the RESET key.
4 - 3 SUB POSITION adjustment
Adjustment preparations
1. Make this adjustment after completing the
adjustment in "4-2 S/H Timing adjustment".
2. Use the XGA VESA (60) timing signal to input a
0.7Vp-p cross hatch signal.
3. Press the AUTO button of the remote controller.
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 controller
(the Video menu will appear).
b.Next, press the RESET button for 5 sec. or
more (the Adjustment menu will appear).
Adjustment procedure
1. Use S/H - S/H Timing in the Adjustment menu to
adjust until the cross hatch vertical stripes are most
clearly visible.
2. Next, check whether or not vertical jitter is within
the range of -16 < A < +16 at the value resulting
from the adjustment in item 1.
3. If there is jitter, change S/H - S/H POL in the
Adjustment menu (change NEGA to POSI and
POSI to NEGA).
4. Finally, return S/H - S/H TIMING in the Adjustment
menu to the value in item 1.
Adjustment procedure
1. Use the XGA VESA (60) timing signal to input a
0.7Vp-p frame signal.
2. Use S/H - SUB POSITION in the Adjustment menu
to adjust so that the left and right frames are
displayed.
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CP-X960WA
CP-X970W