White Ratio (Balance) Adjustment - Samsung LNT4065F Service Manual

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 720P, Pattern #24 Chessboard Calibration ¡æ #92 W/B)
COMP (Time #6 720P, Pattern #24 Chessboard Calibration)
CVBS (Time #3 NTSC-J, Pattern #24 Chessboard Calibration)
PC (Time #21 1024*768, Pattern #24 Chessboard Calibration)
- If finishing in HDMI mode, adjustment coordinate is almost same in AV/COMP mode.
- White Balance Manual Adjustment
H/L
CVBS
(NTSC)
L/L
H/L
COMP
(720P)
L/L
H/L
HDMI
(720P)
L/L
- Adjustment Specification
White Balance : High light (± 3), Low light (± 5)
Luminance : High light (Don't care), Low light (± 0.2 Ft/L)
x y
266 288
266 288
266 288
266 288
266 288
266 288
3 Alignments and Adjustments
(CS-1000)
Y(L)
-
(Sub_CT:130)
2
12.6 cd/m
(3.7 Ft)
-
(Sub_CT:130)
2
13.0 cd//m
(3.8 Ft)
-
(Sub_CT:130)
2
13.0 cd//m
(3.8 Ft)
T(K) + MPCD
± 0)
12,000 (
± 0)
12,000 (
± 0)
12,000 (
± 0)
12,000 (
± 0)
12,000 (
± 0)
12,000 (
3-9