Sharp LC-50U35T Service Manual page 16

LC50/58/65U35T
8.2) GAMMA 2.2 Adjustment
T I E M
1 Setting
2 Auto
Adjustment
3 Adjustment
Check
C O N D T I O I N
Backlight : MAX(+16) Regarding the details of white balance adjustment procedure, refer
Active Backlight: Off to the latest Gamma adjustment spec.
1. Confirm the set condition.
2. Connect the jig.
3. Place the probe at the White Balance adjustment screen
[Command]
Set the MIN adjustment level, and measure the luminance.
Adjustment Mode
Measured luminance is increased 100 times, set the integer as
KRSW0001
adjustment value (a fraction is rounded up).
KKT10037
Set the MID5 adjustment level, and measure the luminance.
Measured luminance is increased 10 times, set the integer as
adjustment value (a fraction is rounded up).
Set the MID6 adjustment level, and measure the luminance.
Measured luminance is increased 10 times, set the integer as
Multi Point
adjustment value (a fraction is rounded up).
Adjustment Mode
Set the MID7 adjustment level, and measure the luminance.
MSET0001
Measured luminance is increased 10 times, set the integer as
adjustment value (a fraction is rounded up).
Set the MAX adjustment level, and measure the luminance.
Measurement Pattern
Measured luminance is increased 10 times, set the integer as
LEV00000
adjustment value (a fraction is rounded up).
LEV50040
LEV60115
LEV70229
[Adjustment Level] (Adjustment level is determined before sales
LEV80255
approval set making)
MIN ADJ LEVEL
MID1 ADJ LEVEL
MID2 ADJ LEVEL
Adjustment Value
MID3 ADJ LEVEL
Input
MID4 ADJ LEVEL
GCCX****
MID5 ADJ LEVEL
(X is Level, **** is
MID6 ADJ LEVEL
adjustment value
MID7 ADJ LEVEL
MIN X=0, MAX X=8)
MAX ADJ LEVEL
Input Data
GCST0001
Check that the adjustment result is no problem.
Check that the Gamma adjustment value is in spec.
P R O C
location.
0 /255 LEVEL
0 /255 LEVEL
0 /255 LEVEL
0 /255 LEVEL
0 /255 LEVEL
40 /255 LEVEL
115 /255 LEVEL
229 /255 LEVEL
255 /255 LEVEL
VAL Spec 100±15
5 – 8
E D U R E