White-Balance, Luminance Adjustment - AOC TV2764W-2E Service Manual

6. 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 9300 color, MEM.
Channel 2 to 6500 color, and MEM. Channel 3 to 9300 color, (our 9300 parameter is x = 283 ± 15, y = 297 ± 15, Y
= 350 ± 7 cd/m2 ; 6500 parameter is x = 313 ± 15, y = 329 ± 15, Y = 350± 7 cd/m
Color Temp.
How to setting MEM. Channel you can reference to Chroma-7120 user guide or simple use "SC" key and "NEXT"
key to modify x, y, Y value and use "ID" key to modify the TEXT description
Following is the procedure to do white-balance adjust
˙Press Number key 1 9  9  9 will into the factory mode, and press Menu key the OSD will show menu and a
word F at Right top of Menu.
˙In the factory mode select MORE function will into Bias and Gain adjustment.
1. ADC Adjustment:
AL  Auto level adjust.
RG, GG, BG  R, G, B Gain adjust.
RB, GB, BB  R, G, B Bias adjust.
2. SCALER Adjustment:
CO, BR  Contrast and Brightness adjust.
RG, GG, BG  R, G, B Gain adjust.
RB, GB, BB  R, G, B Bias adjust.
S9, S6, ST , SH  Save 9300, 6500, 9300 color temperature.
R9, R6, RT , RH Recall 9300, 6500, 9300 color temperature.
BI  Setup Burn-in mode ON / OFF.
ISP Set ISP ON/OFF .
PP  Set PIP ON/OFF .
WH  Set Wireless Headphone ON/OFF.
SR  Set SRS ON/OFF.
CC  Set Close Caption ON/OFF.
VC  Set V Chip ON/OFF.
EX  Exit MORE function to factory mode menu.
II. Bias (Low luminance) adjustment :
1. Press "AUTO" button,
2. Set the contrast on OSD window to the value=51 , color (user )R,G,B set to "50"
3. Adjust the brightness on OSD until chroma 7120 measurement reach the value Y>390 cd/m
III. Gain adjustment :
A. Adjust 9300 color-temperature:
9300
X 0.283
Y 0.297
Y 350±7
PC MODE
6500
0.313
0.329
350±7
19
2
)
TV MODE
9300
0.283
0.297
450±7
2