Service manual

ViewSonic Corporation Confidential - Do Not Copy Q9b-2
30
( 5-9 ). Begin to adjust;pls press the tools menu Icon, Icon, at this time the program will
go on the color temperature adjusting, refer to the pattern as follow.
(6).when adjusting the color tempreture,after the auto adjust, you must save the document and
then turn
On the machine, test the color and temperature:
6500°K: x=0.313±0.015;y=0.329±0.015
9300°K: x=0.283±0.015;y=0.297±0.015
SRGB : x=0.313±0.015;y=0.329±0.015
(7).POWER SAVING& power test﹕INPUT 1280x1024 @75Hz FULL WHITE, insert the signal
to D-SUB&DVI . CHECK whether the POWER SAVING is normal, POWER SAVING LED
whether the dark orange light is normal and the power is within the specification.
(8).gray scale test﹕Input1280x1024 @75HZ 32 gray scale pattern
Before check the patter、at first execute auto adjust once based on contrast DAC 0∼100
display
The gray scale should be evidently, on the contrary, when it died down and the pattern will
be darker and darker。
(9).DDC LOAD: pls select corresponding Model’s DDC document as the loading