White Ratio (Balance) Adjustment - Samsung P2770HD Service Manual

4. Troubleshooting
4-9-3 White Balance - Adjustment
(low light)
Sub Bright
3. W/B
R offset
G offset
B offset

4-10. 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 Component and HDMI 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 : CA210
- 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
- If finishing in HDMI mode, adjustment coordinate is almost same in COMP mode.
- White Balance Manual Adjustment
4-18
(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)