Acer X203H Service Guide
Page 51
Follow instructions from OSD dialog No Keypad OK? Yes Proceed to No "Check Control Board". Yes Scalar output Data ? 6. Proceed to No "Check Power Board". Proceed to No "Check Scalar" "Check LCD Module" - 51 - Yes Backlight turned ON? Yes OSD shown when key pressed? Level 2 Circuit Board and Standard Parts Replacement 6.1 Trouble Shooting Guide 6.1.1 No Display or display is unstable (Interface Board) Screen is Blank and Power LED is White.
Follow instructions from OSD dialog No Keypad OK? Yes Proceed to No "Check Control Board". Yes Scalar output Data ? 6. Proceed to No "Check Power Board". Proceed to No "Check Scalar" "Check LCD Module" - 51 - Yes Backlight turned ON? Yes OSD shown when key pressed? Level 2 Circuit Board and Standard Parts Replacement 6.1 Trouble Shooting Guide 6.1.1 No Display or display is unstable (Interface Board) Screen is Blank and Power LED is White.