White Ratio (Balance) Adjustment - Samsung LNT3253H Service Manual

3 Alignments and Adjustments

3-4 White Ratio (Balance) Adjustment

1. You can adjust the white ratio in factory mode (1:Calibration, 3:White-Balance).
2. Since the adjustment value and the data value vary depending on the input source, you have to
adjust these in CVBS, Component 1 and HDMI 1 modes.
3. The optimal values for each mode are configured by default. (Refer to Table 1, 2.)
It varies with Panel's size and Specification.
- Equipment : CA-210
- Pattern: MIK K-7256 #92 "Flat W/B Pattern" as standard
- Use other equipment only after comparing the result
with that of the Master equipment.
- Set Aging time : 60min
- Calibration and Manual setting for WB adjustment.
HDMI : Time #6 702P, Pattern #24 Chessboard Calibration
COMP : Time #6 702P, Pattern #24 Chessboard Calibration
CVBS : Time #3 NTSC-J, Pattern #24 Chessboard Calibration
PC : Time #21 1024*768, Pattern #24 Chessboard Calibration
-White Balance Manual Adjustment (ABL Pattern)
L/L
CVBS
(NTSC)
L/L
H/L
COMP
(720P)
L/L
H/L
HDMI
(720P)
L/L
-Adjustment Specification
White Balance : High light (± 2), Low light (± 3)
Luminance : High light (Don't care), Low light (± 0.2 Ft/L)
3-10
Adjustment Coordinate
x y
272 278
272 278
272 278
272 278
272 278
272 278
adjustment #92 pattern
Y(L)
-
16.3cd/m©÷
(4.8 Ft)
-
16.6cd/m©÷
(4.9 Ft)
-
16.6cd/m©÷
(4.9 Ft)
20mm
20mm
T(K) + MPCD
12,000 (¡¾0)
12,000 (¡¾0)
12,000 (¡¾0)
12,000 (¡¾0)
12,000 (¡¾0)
12,000 (¡¾0)