ViewSonic VA702B Service Manual - Page 36

Do Auto Image Adjust

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Y measurement at default setting Panel Flicker check Power saving 1. Set brightness to default value 100 and contrast to default value 70 at 6500K 2. At full white patter, Measure Y, which should be 250+/-10cd/m² (QDI 220+/- 10cd/m²) 1. Mode: 1280x1024@60Hz 2. Set Brightness& contrast to default value 3. Do "Auto Image Adjust" 4. Shut down PC to check whether there's glitter on the center of the picture. 1. Mode: 1280x1024@60Hz 2. Pattern: full white 3. Brightness: Max. 4. Contrast: Default 5. Check power consumption at each modes State Power Consumption LED color Normal ＜38Ｗ Green Stand By ＜1Ｗ Orange Power Key Off ＜1Ｗ No Chroma Signal Generator and Color Analyzer Equipment:: Chroma Signal Generator & PC Chroma signal generator and Power meter AC input: 230V/50Hz ViewSonic Corporation Confidential - Do Not Copy 33 VA702-1_VA702b-1

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ViewSonic Corporation
Confidential - Do Not Copy
VA702-1_VA702b-1
33
Y measurement
at default setting
1. Set brightness to default value 100 and contrast to default
value 70 at 6500K
2. At full white patter, Measure Y, which should be
250+/-10cd/m² (QDI 220+/- 10cd/m²)
Chroma Signal
Generator and Color
Analyzer
Panel Flicker
check
1. Mode: 1280x1024@60Hz
2. Set Brightness& contrast to default value
3. Do “Auto Image Adjust”
4. Shut down PC to check whether there’s glitter on the center
of the picture.
Equipment::
Chroma Signal
Generator & PC
Power saving
1.
Mode: 1280x1024@60Hz
2.
Pattern: full white
3.
Brightness: Max.
4.
Contrast: Default
5.
Check power consumption at each modes
State
Power
Consumption
LED color
Normal
＜
38
Ｗ
Green
Stand By
＜
1
Ｗ
Orange
Power Key Off
＜
1
Ｗ
No
Chroma signal
generator and Power
meter
AC input:
230V/50Hz