[Lc52Le920Un] - Sharp LC-60LE920UN Service Manual

LC-52LE920UN/LC-60LE920UN
9. White balance adjustment
9.1. White balance adjustment (For details about the adjustment procedure, refer to "Kameyama Model Integrated Monitor
WB Adjustment Specification Vl.92".)
Adjustment Adjustment conditions Adjustment procedure
point
1 Setting
Automatic
adjustment exe-
cution
1) Set the unit to the following conditions.
AV MODE: [DYNAMIC]
Backlight: +16
OPC: OFF
Active Contrast: OFF
Power Saving: OFF
Aging Time: Min. 60 minutes
2) Connect the unit with the white balance adjustment jig.
[Command] [Adjustment procedure]
Process mode 1) Send the "adjustment process" code using the remote control.
KRSW0001 2) Set the point 6 to the specified gradation, specify the strongest color as the fixed
KKT10037 color, and adjust the RGB so that it becomes the standard value through negative
adjustment. Then compare the R and G values; based on the result, calculate the Ye
Setting value in the following conditions.
KYOF0000 R > G: Ye = G x 1.05
0SDS0001 R < G: Ye = R x 1.05
SBSL0016 * If the Ye value exceeds the initial value (input gradation x 4), it is rounded to that
value or less.
Multi-point adjustment mode 3) Set the point 5 to the specified gradation, set the G correction value (692 x G value of
MSET0011 point 6/916) (fractions rounded off) and the Ye correction value (692 x Ye value of
Point 6
LEV60229
MG6G ....
MG6B ....
MG6R ....
MG6Y ....
Point 5
LEV50173
MG5G ....
MG5B ....
MG5R ....
MG5Y ....
Point 4
LEV40133
MG4G ....
MG4B ....
MG4R ....
MG4Y ....
Point 3
LEV30116
MG3G ....
MG3B ....
MG3R ....
MG3Y ....
Point 2
LEV20074
MG2G ....
MG2B ....
MG2R ....
MG2Y ....
Point 1
L EV 10045
MG1G ....
MG1B ....
MG1R ....
MG1Y ....
Writing
MSET0003
point 6/916) (fractions rounded off), and adjust the RB so that it becomes the stan-
dard value.
4) Set the point 4 to the specified gradation, set the G correction value (532 x G value of
point 6/916) (fractions rounded off) and the Ye correction value (532 x Ye value of
point 6/916) (fractions rounded off), and adjust the RB so that it becomes the stan-
dard value.
5) Set the point 3 to the specified gradation, set the G correction value (464 x G value of
point 6/916) (fractions rounded off) and the Ye correction value (464 x Ye value of
point 6/916) (fractions rounded off), and adjust the RB so that it becomes the stan-
dard value.
6) Set the point 2 to the specified gradation, set the G correction value (296 x G value of
point 6/916) (fractions rounded off) and the Ye correction value (296 x Ye value of
point 6/916) (fractions rounded off), and adjust the RB pattern so that it becomes the
standard value.
7) Set the point 1 to the specified gradation, set the G correction value (180 x G value of
point 6/916) (fractions rounded off) and the Ye correction value (180 x Ye value of
point 6/916) (fractions rounded off), and adjust the RB so that it becomes the stan-
dard value.
8) Write the adjustment value by the MSET0003 command and turn off the AC power.
* RGB initial value of point 6: Set gradation 916
* RGB initial value of points 1 to 5: G correction value of each point
(At each point, make adjustment so that the remainder of the RGB adjustment value/
4 is equal.)
[Adjustment value]
* According to the "Standard settings" submitted by the Technical Department
[LC52LE920UN] LE920 model teaching set
5-12