Sharp 4T-C60AH1X, Service Manual

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4T-C6070AH1X
5 – 9
MGMR****
MGMB****
(18) Adjusted value is writing at [command]
MSET0003
(19) Calculate the slope R2
slope,
G2
slope,
B2
slope
between MAX and Point2.
R2
slope =
(R
max
- R
high
)/(4080- 3664 )
(20) Calculate the correction value
⊿
R
high,
⊿
G
high,
⊿
B
high.
⊿
R
high =
R2
slope X
( 3840-3664 )
(21)
Set the reference value R,G,B of point 2
(R2
ʼ )=R2+ ⊿ R
high
(22)
Calculate the slope R1
slope,
G1
slope,
B1
slope
between Point2 and Point1.
R1
slope =
(R
high
- R
low
)/( 3664 - 640 )
(23)
Calculate the correction value
⊿
R
low,
⊿
G
low,
⊿
B
low.
⊿ R
low =
R1
slope X
( 717-640 )
(24)
Set the reference value R,G,B of point 1
(R1
ʼ )=R1+ ⊿ R
low
(25) Shut down the AC power.
※ Initial value at RGB 2 point : 3664
※
Initial value at RGB 1 point : 640
[Adjustment value]
☆ Teaching set send by engineering dept is set as
reference.
[Reference values for adjustment reference]
Equipment : Luminance meter [Minolta CS-2000]
Level
Spec
Data
Adj. Spec.
Inspection
Spec.
Point
2 ref.
values
229
x=0.2685
y=0.267
0.0010 0.0020
Point
1 ref.
values
40
x=0.2685
y=0.267
0.0045 0.0090
Ref. : For
Adjustment , set the LCD TV as below.
AV MODE : [DYNAMIC] (Reset)
Aging Time : Minimum 30 minutes
B_LOW=971
RESULT