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Focus Control Adjustment - Sony KDP-57XBR2 Service Manual

Digital high definition projection tv.
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Table of Contents
manual.
1.
Loosen each lens' wing nut.
Wing nuts
2.
Enter the service mode.
3.
Select display mode to WIDE ZOOM
and picture mode PRO, and while in the
adjustment menu press RESET on the
remote to restore the PRO mode factory
defaults.
4.
Display a dot pattern.
5.
Cover the red and blue CRT lenses with
lens caps to allow only green to show
(or use the method shown in the note
below for turning off the CRTs
individually without using lens caps).
6.
Rotate the green lens assembly to
adjust to the optimum focus point in the
center area of the screen with the test
signal being displayed
7.
Tighten the lens wing nut.
8.
Cover the green and blue CRT lenses
with the lens caps to allow only red to
show (or use the method shown in the
note below for turning off the CRTs
individually without using lens caps).
Make sure the dot pattern is still being
displayed.
Adjust the red CRT lens the same way
as the green CRT lens.
Cover the green and red CRT lenses
with the lens caps to allow only blue to
show (or use the method shown in the
note below for turning off the CRTs
individually without using lens caps).
Make sure the dot pattern is still being
displayed.
Adjust the blue CRT lens the same way
as the green and red CRT lenses.
9.
After adjusting items 1-4 "Focus Control
Adjustment" and 1-6 "4-Pole Magnet
Adjustment", reconfirm the lens optimum
focus point and adjust again if
necessary.
Note: If lens caps are unavailable, you can cut
off the unnecessary colors in the service mode by
individually changing the data in adjustment
category "2150P-2" , item # 1"RGBS". To display
blue only, change the data to "1", to display
green only, change the data to "2", to display red
only, change the data to "4". All colors are
displayed when the data is set to "7".
1-4 FOCUS CONTROL
ADJUSTMENT
1.
Enter the service mode.
2.
Select display mode to WIDE ZOOM
and picture mode PRO, and while in the
adjustment menu press RESET on the
remote to restore the PRO mode factory
defaults.
3.
Display a dot pattern.
4.
Cover the red and blue CRT lenses with
lens caps to allow only green to show
(or use the method shown in the note
below for turning off the CRTs
individually without using lens caps).
5.
Adjust the green focus control on the
focus block to achieve the best overall
focus with the dot pattern being
displayed.
4
Screen controls
Focus controls

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