White-Banance,Luminance Adjustment - Acer AT2701W Service Manual

White-Banance,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 11000 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
2
cd/m ;11000 parameter is x = 280 ± 15, y = 275 ± 15, Y = 370± 7 cd/m
Color Temp.
X
Y
Y
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
I. Press Number key 100
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, 11000 color temperature.
R9, R6, RT , RH Recall 9300, 6500, 11000 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.
9300
0.283
0.297
350±7
  
9 9 9 will into the factory mode, and press Menu key
42
2
)
6500 11000
0.313 0.280
0.329 0.275
350±7 3700±7
Chapter 7