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Alignment and Adjustments
5-5-3 LCD Interface IC (CXA1853_B) Adjustment
No.
Item
00
Gamma ctrl 1 off
01
Black Stretch On
02
R gamma ctrl 1
03
B gamma ctrl 1
04
Sub bright
05
R sub bright
06
B sub bright
07
Common ctrl
08
Signal center
09
Sub contrast
10
R sub contrast
11
B sub contrast
5-5-4 LCD CONTROLLER (CXD2443Q) Adjustment
No.
Item
00
LCD h pos
01
LCD v pos
02
SH position
5-6
Range
Initial value
63
36
36
33
63
40
63
32
20
10
63
35
63
42
63
30
63
15
63
47
63
42
63
34
Range
Initial value
255
70
Determines the start location of horizontal indication by picture
element.
15
3
Determines the start location of vertical indication (within 1H)
15
6
Determines the phase of the sample/hold pulse.
Adjusts the change point of the black side on the gamma curve
(R,G,B). The greater the value, the more it moves towards black
Adjusts the change point of the back side on the (R,G,B) gamma
curve. Moves the change point to the white side. The value is always
less than the one of the gamma ctrl 1 off.
Adjusts the change point of the back side on the gamma curve for R.
The greater the value, the more it moves towards black.
Adjusts the change point of the black side on the gamma curve for B.
The greater the value, the more it moves towards black.
Adjusts the brightness of R, G, B after doing the gamma adjustment.
No change of the gamma curve. The greater the value, the darker it
gets.
Adjusts the brightness of R after doing the gamma adjustment. No
change on the gamma curve. The greater the value, the darker it
gets.
Adjusts the brightness of B after doing the gamma adjustment. No
change on the gamma curve. The greater the value, the darker it
gets.
Adjusts the common voltage (applied to LCD)
Adjusts the DC level of composite video signals (applied to LCD). Set
the signal center to 7V.
Adjusts the gain of R, G, B (applied to LCD).
Adjusts the gain of R (applied to LCD).
Adjusts the gain of B (applied to LCD).
Description
Description
Samsung Electronics
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