Acer ICONIA TAB A200 Service Manual page 34

2. Touch Linearity Test (Touch Panel)
Draw your finger along the yellow squares.
The result is a "Pass" if you fill all the yellow squares and a "Fail" if you do not. The program returns
to the main menu after the test is finished.
3. RGB (Display)
Continue to tap the screen to display changes. Use this test to verify abnormal lines or dead pixels
on LCD screen.
2-5
Figure 2:6. Touch Linearity Test
Figure 2:7. RGB Test
Finish
Diagnostic Utilities