Samsung LT20A350, Руководство по обслуживанию

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4-35
4. Troubleshooting
4-5. 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 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 : 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 Manual adjustment #92 pattern (720p)
COMP: Calibration at #24 Chessboard Pattern Manual adjustment at #92 pattern (720p)
CVBS: Calibration at #24 Chessboard Pattern Manual adjustment at #92 pattern (PAL)
- If finishing in HDMI mode, adjustment coordinate is almost same in AV/COMP mode.
- White Balance Manual Adjustment
P-Mode
Adjustment Coordinate
x y Y (Luminance) T(K) + MPCD
CVBS
(PAL)
H/L 272 278
-
(Sub_CT:130)
12,000 (
±
0)
L/L 272 278
12.6cd/m
2
(3.7 Ft)
12,000 ( ± 0)
COMP
(720P)
H/L 272 278
-
(Sub_CT:130)
12,000 ( ± 0)
L/L 272 278
13.0cd/m
2
(3.8 Ft)
12,000 (
±
0)
HDMI
(720P)
H/L 272 278
-
(Sub_CT:130)
12,000 ( ± 0)
L/L 272 278
13.0cd/m
2
(3.8 Ft)
12,000 ( ± 0)
- Adjustment Specification
White Balance : High light (±1), Low light (±3)
Luminance : High light (Don’t care), Low light (±0.2 Ft/L)