White-Balance, Luminance Adjustment - AOC LM-729 Service Manual

LM-729 Service Manual

9. White-Balance, Luminance adjustment

Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment.
Before started adjust white balance ,please setting the Chroma-7120 MEM. channel 1 to 6500 color, MEM. channel 2 to
7800 color, ( our 6500 parameter is x = 313 10, y = 329 10, Y = 200 10 cd/m
7800 parameter is x = 296 10, y = 311 10, Y = 200 10 cd/m
How to setting MEM.channel you can reference to chroma 7120 user guide or simple use " SC" key and " NEXT" key to
modify xyY value and use "ID" key to modify the TEXT description
Following is the procedure to do white-balance adjust
Press MENU button during 2 seconds along with plug Power core will activate the factory mode, then MCU will do
AUTO LEVEL automatically. Meanwhile press MENU the OSD screen will located at
I. Bias adjustment :
1.
2.
II. Gain adjustment :
a. adjust 6500 color-temperature
1
2
3
4
5
6
7
8
b. adjust 7800 color-temperature
9
10 switch the MEM.channel to Channel 02 ( with up or down arrow on chroma 7120 )
11 The lcd-indicator on chroma 7120 will show x = 296
12 Adjust the RED on OSD window until chroma 7120 indicator reached the value R=100
13 adjust the GREEN on OSD, until chroma 7120 indicator reached G=100
14 adjust the BLUE on OSD, until chroma 7120 indicator reached B=100
15 repeat above procedure ( item 12,13,14) until chroma 7120 RGB value meet the tolence =100
16 Press Exit on OSD window to save the adjustment result
Turn the POWER-button off to on to quit from factory mode.
set the contrast to 70.
adjust the Brightness
Move cursor to "-Factory-" and press MENU key
Switch the chroma-7120 to RGB-mode (with press "MODE" button )
switch the MEM.channel to Channel 01 ( with up or down arrow on chroma 7120 )
The lcd-indicator on chroma 7120 will show x = 313
Adjust the RED on OSD window until chroma 7120 indicator reached the value R=100
adjust the GREEN on OSD, until chroma 7120 indicator reached G=100
adjust the BLUE on OSD, until chroma 7120 indicator reached B=100
repeat above procedure ( item 4,5,6) until chroma 7120 RGB value meet the tolence =100
Press Exit on OSD window to save the adjustment result
Switch the chroma-7120 to RGB-mode (with press "MODE" button )
to 90.
Rev: A
2 ,
2
)
left top of panel
, y = 329 , Y = 200
, y = 311 , Y = 200
.
2
cd/m
2
cd/m