Sharp 2T-C45AE1X Service Manual page 11

(17) Original WB adjustment is performed (LOW).
Adjust RB to the reference value of point 1.
Set
Max.Level
(18) Calculate the slope R2
MGMG****
between MAX and Point2.
MGMR****
R2 (R
slope = max
MGMB****
(19) Calculate the correction value
⊿ R ⊿ G
high, high,
⊿ R
R2
high = slope X
Set the reference value R,G,B of point 2
(20)
(R2ʼ )=R2+⊿ R
Calculate the slope R1
(21)
B1 between Point2 and Point1.
slope
R1 (R
slope = high
Calculate the correction value ⊿ R
(22)
⊿ G ⊿ B
low, low.
⊿ R
R1
low = slope X
Set the reference value R,G,B of point 1
(23)
(R1ʼ )=R1+⊿ R
(24) Adjusted value is writing at [command]
MSET0003
(25) Shut down the AC power.
※Initial value at RGB 2 point :
※Initial value at RGB 1 point :
[Adjustment value]
☆Teaching set send by engineering dept is set as
reference.
[Reference values for adjustment reference]
Equipment : Luminance meter [Minolta CS-2000]
Level
Point
2 ref.
229
values
Point
1 ref. 40
values
Ref. : For Adjustment, set the LCD TV as below.
AV MODE
Aging Time
G2 B2
slope, slope, slope
- R )/(4080-3664)
high
⊿ B
high.
(3840-3664)
high
G1
slope, slope,
- R )/(3664-640)
low
low,
(717-640)
low
3664
640
Spec Inspection
Adj. Spec.
Data Spec.
x=0.2685
0.0010 0.0020
y=0.267
x=0.2685
0.0045 0.0090
y=0.267
: [DYNAMIC] (Reset)
: Minimum 30 minutes
5 – 4
R_LOW= 921
G_LOW=901
B_LOW=971
2T-C45AE1X