White Ratio (Balance) Adjustment - Samsung LA40F71BX Service Manual

3-5 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 AV, 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 : CS-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 : Calibration at #24 Chessboard Pattern
COMP: Calibration at #24 Chessboard Pattern
AV Calibration at #24 Chessboard Pattern
- If finishing in HDMI mode, adjustment coordinate is almost same in AV/COMP mode.
- White Balance Manual Adjustment
H/L
AV
L/L
H/L
Component
(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)
Manual adjustment at #92 pattern (720p)
Manual adjustment at #92 pattern
Adjustment Coordinate (LE40F71B)
x y
272 278
272 278
272 278
272 278
272 278
272 278
3 Alignments and Adjustments
Manual adjustment #92 pattern (720p)
Y (cd/m 2 )
-
-
-
-
-
2
13.2cd/m
T(K) + MPCD
12,000
12,000
12,000
12,000
12,000
12,000
3-9