White Balance -Calibration; White Ratio (Balance) Adjustment - Samsung LE26B450C4H Service Manual

4. Troubleshooting
4-4. White Balance - Calibration

4-4-1 White Balance -Calibration

1. Calibration
4-4-2 White Balance - Adjustment
(low light)
Sub Bright
3. W/B
R offset
G offset
B offset

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
COMP: Calibration at #24 Chessboard Pattern
CVBS: Calibration at #24 Chessboard Pattern
- If finishing in HDMI mode, adjustment coordinate is almost same in AV/COMP mode.
- White Balance Manual Adjustment
4-38
AV Calibration
Comp Calibration
PC Calibration
HDMI Calibration
(hight light)
Sub Contrast
R gain
G gain
B gain
(W/B adjustment Condition refer next page)
Manual adjustment #92 pattern (720p)
Manual adjustment at #92 pattern (720p)
Manual adjustment at #92 pattern (PAL)