Sharp Aquos LC-60LE845U, Service Manual

Page: 38 / 86

LC-60/70LE745U,C7450U,LE845U,C8470U,LE847U (1st Edition)
5 – 13
9. White balance adjustment
9.1. White balance adjustment (For details about the adjustment procedure, refer to “Kameyama Model Integrated Monitor
WB Adjustment Specification V1.92”.)
Adjustment
point
Adjustment conditions Adjustment procedure
1 Setting 1) Set the unit to the following conditions.
AV MODE: [DYNAMIC]
Backlight: +16
Active Backlight: OFF
Aging Time: Min. 60 minutes
2) Connect the unit with the white balance adjustment jig.
2 Automatic
adjustment exe-
cution [Command]
Process mode
KRSW0001
KKT10037
Setting
KY0F0000
0SDS0001
SBSL0016
Multi-point adjustment mode
MSET0001
Point 6
LEV60232
MG6G****
MG6B****
MG6R****
Point 5
LEV50202
MG5G****
MG5B****
MG5R****
Point 4
LEV40174
MG4G****
MG4B****
MG4R****
Point 3
[Adjustment procedure]
1) Send the “adjustment process” code using the remote control.
2) Specify the strongest color as the fixed color, and adjust the RGB by the MG6*****
command so that it becomes the standard value through negative adjustment.
3) For the point 5, set the G correction value (808 x G value of point 6/928) (fractions
rounded off) and adjust the RB so that it becomes the standard value.
4) For the point 4, set the G correction value (696 x G value of point 6/928) (fractions
rounded off) and adjust the RB so that it becomes the standard value.
5) For the point 3, set the G correction value (480 x G value of point 6/928) (fractions
rounded off) and adjust the RB so that it becomes the standard value.
6) Set the point 2 to the specified gradation, set the G correction value (236 x G value of
point 6/928) (fractions rounded off) and adjust the RB so that it becomes the standard
value.
7) For the point 1, set the G correction value (184 x G value of point 6/928) (fractions
rounded off) and adjust the RB so that it becomes the standard value.
8) Write the adjustment value by the MSET0003 command and turn off the AC power.
*
RGB initial value of point 6: Set gradation 928
* RGB initial value of points 1 to 5: G correction value of each point
[Adjustment value]
*
According to the “Standard settings” submitted by the Technical Department
[LC70LE640U] LE640U model teaching set
[Adjustment standard value]
Measuring instrument: [Minolta CA-210] Technical measuring instrument
LEV30120 Level Reference value Adjustment spec Inspection spec
MG3G****
Point 6 928
X=0.272
±
0.0010
±
0.0020
MG3B**** y=0.277
MG3R****
Point 5 808
X=0.272
±
0.0010
±
0.0020
y=0.277
Point 2
Point 4 696
X=0.272
±
0.0015
±
0.0030
LEV20059 y=0.277
MG2G****
Point 3 480
X=0.272
±
0.0020
±
0.0040
MG2B**** y=0.277
MG2R****
Point 2 236
X=0.272
±
0.0030
±
0.0060
y=0.277
Point 1
Point 1 184
X=0.272
±
0.004
±
0.0080
LEV10046 y=0.277
MG1G****
MG1B****
MG1R****
Writing
MSET0003
Remarks Setting conditions for inspection
AV MODE: [DYNAMIC] (Reset)
Monochro: ON
Active Backlight: OFF
Aging Time: Min. 60 minutes
Brightness specification after adjustment
•
LC-70/60LE745U,845U,847U: Min 280cd/m2
• LC-70/60C7450U,C8470U: Min 280cd/m2