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Registration Adjustments - Sony KP-46WT500 Service Manual

Color rear video projector.
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2-12. REGISTRATION ADJUSTMENTS

*ADJUSTING FLOW
Turn on the power and wait for 10 minutes.
Set to the NTSC Full mode
Check the deflection yokes, the centering magnets,
2-pole/4-pole magnets
Set to the service mode.
MAIN DEFLECTION ADJUSTMENT (Green)
Green coarse adjustment
Green fine adjustment
Red coarse adjustment
Red fine adjustment
Change the
display mode
Blue coarse adjustment
Blue fine adjustment
Yes
ALLCOPY*
Another display mode?
* When the
NTSC Full mode
adjustment has finished,
copy its data to
the next
Memorize the FLASH FOCUS offset data
display mode the
first time only
and be sure to
adjust in the order given.
START
SUB
DEFLECTION
ADJUSTMENT
No
End
2-12-1.SETUP FOR ADJUSTMENT
MARKING
• At the 4 sides of the screen, use a tape measure to locate the middle.
DATA SETTING
1. Set NTSC Full mode.
2. Enter the service mode, and select "PJE".
NOTE: When you replace printed circuit boards, devices, or CRTs, and
when correction is drastically necessary, press the "7" + ENTER on the
remote commander to initialize the data in the Projector Engine mode.
Press MUTING + ENTER on the remote commander to write the data.
2-12-2.MAIN DEFLECTION ADJUSTMENT
NOTE: Before this adjustment, refer to section 2-11 for PJE input data
items #78-85.
1. 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).
2. Enter the monoscope signal and set to NTSC Full mode.
3. Enter the service mode, and select "2150D-1".
4. Adjust "0 VPOS" and "1 VSIZ" so that the picture is displayed in the
center of the screen.
5. Adjust "2VSZ0" for 1080i vertical size adjustment.
0 VPOS
1 V-Size
6. Select "2150D-2" and adjust "2 H-Size" so that the picture size is
within the specification.
SPEC
Input Signal
Monoscope
2 H-Size
7. Copy the data of the NTSC Full mode to the other display mode and,
if necessary, adjust in the other mode.
— 38 —
: middle
Overscan Spec. = 9%
H SIZE
V SIZE
15.6 ± 0.2 sq.
11.5 ± 0.2 sq.
KP-46WT500

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