Function Testing 1 - Acer F900 Service Manual

Function Testing 1

NOTE:
• Wear anti-static gloves.
1. Tap Seq Test to begin testing functions.
2. The LCD Test starts. Tap the screen to cycle through white,
black, red, green, and blue backgrounds.
• Check that the white screen displays no black dots.
• Check that the black screen displays no white dots.
• Check that the RGB screens display with no color
distortion or bleeding.
3. Tap OK if the test is passed.
4. Tap the screen to test the Backlight function.
5. Tap ON and OFF to test functionality.
6. Tap UP and DOWN to test the brightness functionality.
7. Tap OK if the test is passed.
8. Tap the screen to test the five integrated LEDs.
9. Tap ALL ON and verify that the Blue, White, Orange, Red,
and Green LEDs light.
10. Tap ALL OFF to complete the test.
11. Tap OK if the test is passed.
4 Chapter 4