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Final ASSEMBLY ADJUSTMENT
2-3 RASTER POSITION ADJUSTMENT
(1) Receive Circle pattern signal.
(2) Recall Adjustment menu.
(3) Select ‘V POSITION’ by using the cursor stick (▲/▼ direction)
on handset. Adjust the horizontal picture position where |E-F| <= 3mm
by using the cursor stick (
direction).
◄/►
(4) Select ‘H POSITION’ by using the cursor stick (▲/▼ direction)
on handset. Adjust the horizontal picture position where |G-H| <= 3mm
by using the cursor stick (
direction).
◄/►
G
H
E
F
NOTE : Refer to page 48 for display area spec.
2-4 FLICKER ADJUSTMEN T
ADJUSTMENT PROCEDURE
1 SIGNAL: Internal signal from IC (50% raster signal with one dot
black lines)
2 Red FLICKER ADJUSTMENT:
LCD ADJUST MODE → V.COM .
LCD ADJUST MODE
VCOM R
xx
VCOM G
xx
VCOM B
xx
Press SELECT key, test pattern will be displayed.
Reduce the flicker by pressing cursor stick ◄► of handset.
The adjustment point is the weakest FLICKER position and required
additional offset. (*1)
3 GREEN FLICKER ADJUSTMENT:
Press SELECT key to return
to the “LCD ADJUST MODE”. Select VCOM G and adjust by
same procedure as red flicker.
4 BLUE FLICKER ADJUSTMENT:
Press SELECT key to return
to the “LCD ADJUST MODE”. Select VCOM B and adjust by
same procedure as red flicker
(*1)Additional offset is required for VCOM adjustment. The offset value
is depends on each color.
Offset steps are shown below.
Additional OFFSET table:
Color
OFFSET
RED
-5
GREEN
-7
BLUE
-8
Graphic representation of adjustment:
Adjustment range
ADJ.value
Adjustment point
OFFSET value
LC58/LC58E
2-5 GHOST ADJUSTMENT
ADJUSTMENT PROCEDURE
1
ADJ.SIGNAL Internal signal from IC (Black window pattern
with RGB raster signal)
2 RED GHOST LCD ADJUST MODE → GHOST
ADJUSTMENT
LCD ADJUST MODE
GHOST R xx
GHOST G xx
GHOST B xx
Press SELECT key, test pattern will be displayed.
(1) Increase the I2C data by pressing cursor stick ► of handset
until ghost appears at left side of the window pattern.
(2) Then, decrease the I2C data by pressing cursor stick ◄ of
handset until ghost disappears.
(3) Finally, decrease the I2C data by 3 steps
.
GHOST
(1)
Example
GHOST data
10
11
12
13
14
-3 step -2 step
-1 step
Ghost
Ghost
disappears
appears
(2)
(3)
ADJUSTMENT POINT
3 GREEN GHOST Press SELECT key to return to the “LCD ADJUST MODE”.
ADJUSTMENT Select GHOST G and adjust same procedure as red GHOST.
4 BLUE GHOST Press SELECT key to return to the “LCD ADJUST MODE”.
ADJUSTMENT Select GHOST B and adjust same procedure as red GHOST
2-6 NRSH ADJUSTMENT
ADJUSTMENT PROCEDURE
(1) Complete FLICKER ADJUSTMENT before the adjustment.
(2) SIGNAL Internal signal from IC (Gray scale)
(3) Red NRSH ADJUSTMENT LCD ADJUST MODE → NRSH
LCD ADJUST MODE
NRSH HR
xx
NRSH HG
xx
Press SELECT key, test pattern will be displayed.
Reduce the vertical lines (12 dot width) by pressing the cursor
stick◄► of handset.
Press SELECT key to return to the “LCD ADJUST MODE”.
(4) GREEN NRSH ADJUSTMENT Press “▼” of handset. The test pattern
will be changed from red to green.
Adjust the Green NRSH with same procedure as Red NRSH.
The Blue NRSH adjustment is not required.
(5) CHECK FLICKER Check that picture is not flickering. If there is,
re-adjust flicker.
Page 34
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