Sharp Aquos LC-24LE150M, Service Manual

Page: 16 / 54

LC-24LE150M
6 – 4
(19) Set the G of point Max. to the default value
(4080 x G value of point 2 / R2). Set the R,B
Max. value [G
max
– G value of point 2 + (R,B
value of point 2)
(20) Calculate the slope R2
slope,
G2
slope,
B2
slope
between MAX and Point2. R2
slope =
(R
max
- R
high
)/(4080- 3664 )
(21) Calculate the correction value
پ
R
high,
پ G
high,
پ B
high.
R
high =
R2
slope X
( 3840-3664 )
(22)
Set the reference value R,G,B of point 2
(R2
’
)=R2+ پ R
high
(23)
Calculate the slope R1
slope,
G1
slope,
B1
slope
between Point2 and Point1. R1
slope =
(R
high
- R
low
)/( 3664 -816)
(24)
Calculate the correction value
پ
R
low,
پ G
low,
پ B
low.
R
low =
R1
slope X
(915-816)
(25)
Set the reference value R,G,B of point 1
(R1
’
)=R1+
پ
R
low
(26) Shut down the AC power.
䯲 Initial value at RGB 2 point : 3664
䯲
Initial value at RGB 1 point : 816
[Adjustment value]
侀
Teaching set send by engineering dept is set as
reference.
[Reference values for adjustment reference]
Equipment : Luminance meter [Minolta CA-210]
Level
Spec
Data
Adjustment
Spec.
Inspection
Spec.
Point
2 ref.
values
229
x=0.272
y=0.277
0.0010 0.0020
Point
1 ref.
values
51
x=0.272
y=0.277
0.0045 0.0090
Ref. : For inspection, set the LCD TV as below.
AV MODE : [DYNAMIC] (Reset)
Aging Time : Minimum 5 minutes