HP Compaq F7317, Руководство по обслуживанию

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HP L1702/FP7317 Service Manual
Page 42 of 143
10. 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 xyY 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 ( 9300 color):
7800 color temp. parameter is x = 296
±
10, y = 311
±
10, Y = 200
±
10 cd/m
2 ,
B
、
MEM.CHANNEL 4 ( 6500 color):
6500 color temp. parameter is x = 313
±
10, y = 329
±
10, Y = 200
±
10 cd/m
2
)
3
、
Into factory mode of HP L1702/F7317
A
、
Press MENU button during 2 seconds along with press Power button will activate the
factory mode, then MCU will do AUTO LEVEL automatically. Meanwhile press MENU
the OSD screen will located at
LEFT TOP OF PANEL .
4
、
Bias adjustment :
Set the Contrast to 50
Adjust the Brightness to 90.
5
、
Gain adjustment :
Move cursor to “-F-” and press MENU key
A
、
Adjust C2(9300) color-temperature
1
、
Switch the Chroma-7120 to RGB-Mode (with press “MODE” button )
2
、
Switch the MEM. Channel to Channel 3 ( with up or down arrow on chroma 7120 )
3
、
The LCD-indicator on chroma 7120 will show x = 296
±
10, y = 311
±
10,
Y = 200
±
10 cd/m
2
4
、
Adjust the RED of color1 on factory window until chroma 7120 indicator reached
the value R=100
5
、
Adjust the GREEN of color1 on factory window until chroma 7120 indicator reached
the value G=100
6
、
Adjust the BLUE of color1 on factory window until chroma 7120 indicator reached
the value B=100
7
、
Repeat above procedure ( item 4,5,6) until chroma 7120 RGB value meet the
tolerance =100
±
2