Sharp LC-60LE650U Service Manual page 76

LC-60/70/80LE650U/LE657U/C6500U/LE757U/LE857U,60/70LE755U/C7500U
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".)
• LC-60/70LE650U/LE657U/C6500U/LE755U/LE757U/LE857U/C7500U
Adjustment
Adjustment conditions
point
1 Setting
2 Automatic [Command]
adjustment exe- Process mode
cution KRSW0001
KKT10037
Setting
KY0F0000
0SDS0001
SBSL0016
Multi-point adjustment mode
MSET0011
Point 6
LEV60232
MG6G****
MG6B****
MG6R****
Point 5
LEV50202
MG5G****
MG5B****
MG5R****
Point 4
LEV40174
MG4G****
MG4B****
MG4R****
Point 3
LEV30120
MG3G****
MG3B****
MG3R****
Point 2
LEV20059
MG2G****
MG2B****
MG2R****
Point 1
LEV10046
MG1G****
MG1B****
MG1R****
Writing
MSET0003
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.
[Adjustment procedure]
1) Send the "adjustment process" code using the remote control.
2) Set the point 6 to the specified gradation, specify the strongest color as the fixed
color, and adjust the RGB so that it becomes the standard value through negative
adjustment.
3) Set the point 5 to the specified gradation, 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) Set the point 4 to the specified gradation, 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) Set the point 3 to the specified gradation, 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) Set the point 1 to the specified gradation, 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] teaching set
[Adjustment standard value]
Measuring instrument: [Minolta CA-210] Technical measuring instrument
Level Reference value
X=0.272
Point 6 928
y=0.277
X=0.272
Point 5 808
y=0.277
X=0.272
Point 4 696
y=0.277
X=0.272
Point 3 480
y=0.277
X=0.272
Point 2 236
y=0.277
X=0.272
Point 1 184
y=0.277
Remarks Setting conditions for inspection
AV MODE: [DYNAMIC] (Reset)
Monochro: ON
Active Backlight: OFF
Aging Time: Min. 60 minutes
Brightness specification after adjustment.
LC-70LE657U/LE650U/C6500U:Min 280cd/m2
LC-60LE657U/LE650U/C6500U:Min 280cd/m2
5 – 13
Adjustment procedure
Adjustment spec
±0.0010
±0.0010
±0.0015
±0.0020
±0.0030
±0.004
Inspection spec
±0.0020
±0.0020
±0.0030
±0.0040
±0.0060
±0.0080