Compaq Flat Panel Monitor tft5017m, Service Manual

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7
4. ADJUSTMENT
4-1 ADJUSTMENT CONDITIONS AND PRECAUTIONS
1. Approximately 30 minutes should be allowed for warm up before proceeding.
2.
Adjustments should be undertaken only on following function :Horizontal Position, Vertical Position,
Clock, Clock Phase, Brightness, Contrast, Color Select (6500°K, 9300°K, and Custom Color)
4-2 ADJUSTMENT METHOD
Press MENU key to show OSD window or select function, and Left/Right key to switch the function controls
or done the adjustment.
1. White-Balance, Luminance adjustment
Before started adjust white balance ,lets setting the Chroma-7120 MEM. Channel 1 to 9300 color and
MEM. channel 2 to 6500 color, 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 your
own description
Following is the step to do white-balance adjust
Press MENU key and Right key for 2 seconds at power on (replug power cord) will be in factory mode.
I. Bias (Low luminance) adjustment :
Wait for message “ Pass” appear then adjust OSD contrast and brightness to “90”.
II. Gain (High light) adjustment :
a. adjust 9300 color-temperature
change chroma-7120 to channel 1,Switch the chroma-7120 to RGB-mode(with press “MODE” )
,and selected OSD item “F” (at OSD right down corner), Enter AOC Compaq1 Menu
The lcd-indicator will show x = 281
±10
, y = 311
±10
, Y = 230
±5
cd/m
2
Adjust 9300k RGB until R=100, G=100, B=100, and then switch the chroma-7120 to xyY
mode
(With press “MODE” )
b. adjust 6500 color-temperature
change chroma-7120 to channel 2, Switch the chroma-7120 to RGB-mode(with press
“MODE” ),
The lcd-indicator will show x = 313
±10
, y = 329
±10
, Y = 230
±5
cd/m
2
Adjust 6500k RGB until R=100, G=100, B=100, and then switch the chroma-7120 to xyY
mode
(With press “MODE” )
Press POWER-key off-on to quit from factory mode ( in USER-mode, the OSD location was
placed at middle of screen)