Sharp LC-50U35T, Service Manual

Page: 16 / 102

LC50/58/65U35T
5 – 8
8.2) GAMMA 2.2 Adjustment
E R U D E C O R P N O I T I D N O C M E T I
1 Setting
Backlight : MAX(+16)
Active Backlight: Off
Regarding the details of white balance adjustment procedure, refer
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
location.
2 Auto
Adjustment
[Command]
Adjustment Mode
KRSW0001
KKT10037
Multi Point
Adjustment Mode
MSET0001
Measurement Pattern
LEV00
000
LEV50 040
LEV60 115
LEV70 229
LEV80255
Adjustment Value
Input
GCCX****
(X is Level, **** is
adjustment value
MIN X=0, MAX X=8)
Input Data
GCST0001
࣭
Set the MIN adjustment level, and measure the luminance.
Measured luminance is increased 100 times, set the integer as
adjustment value (a fraction is rounded up).
࣭
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
adjustment value (a fraction is rounded up).
࣭ Set the MID7 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 MAX adjustment level, and measure the luminance.
Measured luminance is increased 10 times, set the integer as
adjustment value (a fraction is rounded up).
[Adjustment Level] (Adjustment level is determined before sales
approval set making)
MIN ADJ LEVEL
0 /255 LEVEL
MID1 ADJ LEVEL 0 /255 LEVEL
MID2 ADJ LEVEL 0 /255 LEVEL
MID3 ADJ LEVEL 0 /255 LEVEL
MID4 ADJ LEVEL 0 /255 LEVEL
MID5 ADJ LEVEL 40 /255 LEVEL
MID6 ADJ LEVEL 115 /255 LEVEL
MID7 ADJ LEVEL 229 /255 LEVEL
MAX ADJ LEVEL 255 /255 LEVEL
3 Adjustment
Check
Check that the adjustment result is no problem.
࣭ Check that the Gamma adjustment value is in spec.
VAL Spec 100±15