Sharp LC-37D90U Service Manual page 30

LC-37D90U
8.3. White balance adjustment sequence
Adjustment is available in any input or position. There is no specific order to adjust high and low, either.
Repeat until values are
properly
adjusted.
PC
Activate process command (STEP1).
KRSW0001
Activate process command (STEP2).
KKT10037
Remote control
disable command
KYOF0000
Inhibit command for the OSD display
OSDS0001
Set the light level to +12 using dimmer control command.
SBSL0016
Set the multipoint adjustment mode.
MSET0001
Initialize adjustment values.
MSET0004
Adjustment gradation setting (Standard value 6 = 236 gradation)
LEV60232
Adjust RGB to the target xy values.
MG6GXXXX
MG6BXXXX
MG6RXXXX
* XXXX indicates adjustment values between 0000 - 1023 (4 digit decimal
number with zero fill).
* In order to adjust by reducing the value, set the strongest color as the fixed color.
* Default adjustment value of RGB is the parameter value of LEV6 command
multiplied by 4.
Adjustment gradation setting (Standard value 5 = 200 gradation)
LEV50200
Correct G value.
MG5GXXXX
When G is changed at adjustment gradation setting (standard value 6 = 236 gradation), calculate the ratio of the
change and set the following value to XXXX: (the value set with LEV5) x 4 x (the ratio).
5 – 14
Set
Command is accepted.
ERR
Process command is
activated.
OK
Setting is complete.
OK
Setting is complete.
OK
Setting is complete.
OK
The mode is set.
OK
Initialization is done.
OK
Pattern display
Adjustment value is set.
OK
Reflecting adjustment
values to images
Adjustment values are set.
OK
Pattern display
Adjustment value is set.
OK
Adjustment value is set.
OK