8. Deflection Adjustment
8-1. Preliminary steps
(1) Select INSTART key on the Remote Control and then
select “3. RASTER Adj” with key No. 3.
(2) Make Green raster using lens cover.
8-2. Adjustment
(1) After selecting V-SIZE mode, adjust until “A” from upper
and lower center of the screen is accord with the last point
of the frame by pressing the volume key
(2) After selecting H-SIZE mode, adjust until “B” from
outermost of the frame by pressing volume key.
9. Lens Focus and Electronic Focus
Adjustment
9-1. Preliminary steps
(1) Electronic focus,Raster slope & Raster position must be
pre-adjusted.
(2) Heat-run over 45 minutes.
(3) Tune the TV set to receive Cross Hatch
(4) Adjustment must be operated in a dark room(simple dark
room) and pay attention not to touch the lens during
adjustment.
(5) Make any one color raster using lens cover.
(6) Rotating lens right from the front side chromatic aberration
occurs beside Cross-hatch line changes as follows;.
9-2. Green Lens Adjustment
(1) Turn the lens until the chromatic aberration changed Blue
to Red point.
(2) Observing all screen, if the tendency of chromatic
aberration is non-linear, adjust to appear Red chromatic
aberration in 3.5 Cross-Hatch section at center screen.
At this time, in case that the difference of bright line of Red
chromatic aberration is not equal at both sides, adjust to
have more Red chromatic abberration.
(3) Switching the signal to 14CH and operate adjustment
minutely.
(4) Adjust Green focus control volume of focus pack so that
the external big circle's part appeared cleary.
(5) Adjust accurately by repeat the upper control.
(6) Especially, noting to the Green light because it influenced
on picture's function.
9-3. Red Lens Adjustment
(1) Turn the lens until the chromatic aberration changed
orange to scarlet.
(2) Adjust the chromatic aberration so that it located center
correctly.
(3) Switching the signal to 14CH and adjust it as same
method of Green lens.
(4) Adjust as same method of Green lens with Red focus
control volume of focus pack.
9-4. Blue Lens Adjustment
(1) Rotate the lens until the chromatic abberration of 3.5
Cross-Hatch left from center point changes from Violet to
Green. Adjust the chromatic abberration to be center point
between violet and green.
(2) Adjust the chromatic aberration become center of purple
and green.
(3) Adjust as same method of Green lens with Blue focus
control volume of focus pack.
ADJUSTMENT INSTRUCTION
168V
!
0.5V
GND
Horizontal
Center Line
Vertical
Center Line
A
B
CHROMATIC
ABERRATION
CROSS HATCH
SIGNAL
Lens
Red
Green
Blue
Change of chromatic aberration
Orange
$
Scarlet
Blue
$
Red
Purple
$
Green
