Samsung UN19C4000PD, Service Manual

Page: 63 / 90

4-35
4. Troubleshooting
4-5. White Ratio (Balance) Adjustment
You can adjust the white ratio in factory mode (1:Calibration, 3:White-Balance).
1.
Since the adjustment value and the data value vary depending on the input source, you have to adjust these in CVBS,
2.
Component 1 and HDMI 1 modes.
The optimal values for each mode are conigured by default. (Refer to Table 1, 2)
3.
It varies with Panel’s size and Speciication.
- 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 (NTSC)
- If inishing in HDMI mode, adjustment coordinate is almost same in AV/COMP mode.
- White Balance Manual Adjustment
19C4000
•
P-Mode
Input signal
Dividing
Adjustment Coordinate CA-210
x y Y (Luminance) T(K) + MPCD
[ Dynamic Cool1 ]
HDMI
Comp
CVBS
H/L
56.2 fL
12,000 (±0)
(Sub_CT:134 Fix)
L/L
4.2 fL
12,000 (±0)
(Sub-Brt:128 Fix)
[ Movie Warm2 ]
HDMI
Comp
CVBS
H/L
-
6,500 (+6)
(Sub_CT:Unadjusted)
L/L
-
6,500 (+6)
(Sub_Brt:Unadjusted)
22C4000
•
P-Mode
Input signal
Dividing
Adjustment Coordinate CA-210
x y Y (Luminance) T(K) + MPCD
[ Dynamic Cool1 ]
HDMI
Comp
CVBS
H/L 272 278
50.5 fL
12,000 (±0)
(Sub_CT:134 Fix)
L/L
272 278
3.0 fL
12,000 (±0)
(Sub-Brt:128 Fix)
[ Movie Warm2 ]
HDMI
Comp
CVBS
H/L
313
340
-
6,500 (+6)
(Sub_CT:Unadjusted)
L/L 313
340
-
6,500 (+6)
(Sub_Brt:Unadjusted)
26C4000
•
P-Mode
Input signal
Dividing
Adjustment Coordinate CA-210
x y Y (Luminance) T(K) + MPCD
[ Dynamic Cool1 ]
HDMI
Comp
CVBS
H/L 272 278
56.2 fL
12,000 (±0)
(Sub_CT:134 Fix)
L/L
272 278
5.0 fL
12,000 (±0)
(Sub-Brt:128 Fix)
[ Movie Warm2 ]
HDMI
Comp
CVBS
H/L 306 327
-
6,500 (+6)
(Sub_CT:Unadjusted)
L/L
306 327
-
6,500 (+6)
(Sub_Brt:Unadjusted)
- Adjustment Speciication
White Balance : High light (±1), Low light (±3)
Luminance : High light (Don’t care), Low light (±0.2 Ft/L)\