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Alignment and Adjustments
4-4-4 Static Focus Adjustment
PRECAUTION
1. Select the "STANDARD" video mode.
2. Input a crosshatch pattern.
3. Cover the lenses that are not being adjusted.
4. Adjust the lens for best focus.
(See Fig, 2-1)
STATIC FOCUS (CONTINUED)
Vary the focus pack VR (Red, Blue) on the
front cabinet. Adjust the TV for best possible
focus around the center of the crosshatch
pattern, without losing overall screen balance.
Figure Crosshatch Pattern
Examine these points together.
Examine these points together
Fig. 2-1 Crosshatch Pattern.
4-4-5 Lens Focus Adjustment
1. Preparation
! Set the Screen to "STANDARD".
Contrast : 100
Brightness : 50
@ Set the pattern to Crosshatch.
# Adjust the electric focus before beginning.
$ Adjust the DY tilt (TILT) before beginning.
2. How to Adjust (Green Lens Adjustment)
! Loosen the lens screw for easier
adjustment.
@ Press Mute, 1, 8 and 3, sequentially to enter
Convergence Mode.
4-14
# Display only the Green pattern by using
the +100, 0, and Previous Channel Keys in
order to turn the R, G, and B patterns
On/Off respectively.
$ Turn the Green Lens
clockwise/Counterclockwise to adjust for
optimum status.
(Repeat if unsuccessful, varying the VR of
the front Focus Pack.)
% Perform steps 1~3 for the R and B Lenses.
3. Note
Green determines picture quality; pay close
attention for exact adjustment.
Red Chromatic Number
Fig. 2-2 Color Aberration
Blue Chromatic Number
P
L1
L2
< _
L1, L2
P
Samsung Electronics
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