
15" LCD Color Monitor Planar PL1520M
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11. White- Balance, Luminance Adjustment
Approximately 30 minutes should be allowed for warm up before proceeding White-Balance adjustment.
1. How to do the Chroma-7120 MEM. Channel setting
A. Reference to chroma 7120 user guide
B. 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
2. Setting the color temp. you want
A. MEM.CHANNEL 3 (7800 color):
7800 color temp. parameter is x = 296 ±20, y = 311 ±20, Y = 180 cd/m
2 ,
B. MEM.CHANNEL 4 (6500 color):
6500 color temp. parameter is x = 313±20, y = 329 ±20, Y =180 cd/m
2
3. Into factory mode of PL1520M
Turn on power, press the “MENU” key, Then press “>” key and highlight the OSD icon, press “MENU” key to confirm, then
press “>” key and highlight the INFORMATION item, press “MENU” key, then press “MENU” key for 4~5 times,then the
factory OSD will be at the bottom of the panel.
4. Adjust the 6500K:
(1) Input the correct default values of CONTRAST BRIGHTNESS PC BACKLIGHT PC BRI-CON:
A. After entering the factory OSD, the CONTRAST BRIGHTNESS PC BACKLIGHT PC BRI-CON will be shown, press “<”
or “>” key to highlight one of the CONTRAST BRIGHTNESS PC BACKLIGHT PC BRI-CON, then press “AUTO” key to
highlight each values, press “<” or “>” key to adjust the value as following:
CONTRAST 96 112 128 144 160
BRIGHTNESS 128 128 128 128 128
PC BACKLIGHT 0 64 128 192 255
PC BRI-CON 96 112 128 128 128
B. Saving the above values: Press “MENU” key for several times until the CONTRAST BRIGHTNESS PC BACKLIGHT
PC BRI-CON coming to the screen for the second times , that means the values are saved.
(2) Doing auto color:
Before doing auto color, input the 1024x768/60HZ 32 Gay pattern, after entering the factory OSD, press “MENU” key for 2
times, coming to the OFFSET GAIN AUTO, then press the “AUTO” key several times and highlight the AUTO , then
press “>” key for auto color.
(3) 6500K Bias adjustment:
Press “MENU” key several times ,the CT:6500K will be at the left top of the panel, then press “AUTO” key to move the
cursor to the OFFSET-RGB, press “<”or”>” key to adjust the value as following:
0 0 0
(4) 6500K Gain adjustment:
Input the 1024x768/60HZ white pattern,
A. Switch the Chroma-7120 to
RGB-Mode
(with press “MODE” button)
B. Switch the MEM.channel to Channel 4(with up or down arrow on chroma 7120)
Summary of Contents for PL1520M
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Page 35: ...15 LCD Color Monitor Planar PL1520M 35 9 PCB Layout 9 1 Main Board ...
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