Service manual

ViewSonic Corporation Confidential - Do Not Copy VA702-1_VA702b-1

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

＜38Ｗ

Green

Stand By

＜1Ｗ

Orange

Power Key Off

＜1Ｗ

Chroma signal

generator and Power

meter

AC input:

230V/50Hz