Samsung UA23H4003AR, Service Manual

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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 configured by default. It varies with Panel’s size and Specification.
3.
Equipment : CS-210 •
Pattern: MIK K-7256 #92 “Flat W/B Pattern" as standard •
Altenate Equipmet : CA200& anyone Master supported •
pattern#92(refer to right photo)
Use other Equipment only after comparing the result
•
with that of the Master equipment.
Set Aging time : 60 min
•
Calibration and Manual setting for WB adjustment
HDMI : Calibration at #24 Chessboard Pattern Manual adjustment at #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) •
Note
If finishing in HDMI mode, adjustment coordinate is almost same in AV/COMP mode.
White Balance Manual adjustment
Type
LED_LOW
RGB Measurement
Levels
Code Check
10 IRE 0x01 O
20 IRE 0x02 O
30 IRE 0x03 X
40 IRE 0x04 O
50 IRE 0x05 X
60 IRE 0x06 X
70 IRE 0x07 O
80 IRE 0x08 X
90 IRE 0x09 X
100 IRE 0x0A O
Panel Inspection Spec.
Levels
Check x(±) y(±) Gamma(±)
10 IRE O 0.020 0.020 0.35
20 IRE O 0.020 0.020 0.35
30 IRE O 0.020 0.020 0.35
40 IRE O 0.020 0.020 0.35
50 IRE O 0.020 0.020 0.35
60 IRE O 0.020 0.020 NA
70 IRE O 0.020 0.020 NA
80 IRE O 0.020 0.020 NA
90 IRE O 0.020 0.020 NA
100 IRE O NA NA NA
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4. Troubleshooting