White Ratio (Balance) Adjustment - Samsung LN-4692D Service Manual

3 Alignments and Adjustments

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 : CS-1000
- Pattern: Master MSPG925 #16 "ABL Pattern" as standard
- Use other equipment only after comparing the result
with that of the Master equipment.
- Set Aging time : 30min
- Calibration and Manual setting for WB adjustment.
HDMI: No Calibration
COMP: Calibration at #24 Chessboard Pattern
CVBS: Calibration at #24 Chessboard Pattern
PC : Calibration at #24 Chessboard Pattern
-White Balance Manual Adjustment (ABL Pattern)
L/L
CVBS
L/L
H/L
Component
(720p)
L/L
H/L
HDMI
(1080i)
L/L
-Adjustment Specification
White Balance : High light (± 2), Low light (± 3)
Luminance : High light (Don't care), Low light (± 0.2 Ft/L)
3-10
Manual adjustment at #16 pattern (720p)
No Manual adjustment (1024x768@60Hz)
x y
263 263
263 263
263 263
263 263
263 263
263 263
Manual adjustment at #16 pattern (720p)
Manual adjustment at #16 pattern (NTSC)
Adjustment Coordinate
2
Y (cd/m )
-
3.8(1.1Ft)
-
4.2(1.2Ft)
-
4.2(1.2Ft)
20mm
20mm
T(K) + MPCD
15000K/0
15000K/0
15000K/0
15000K/0
15000K/0
15000K/0