Level 2 Circuit Board And Standard Parts Replacement; Trouble Shooting Guide - Acer X203H Service Manual

6. 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.
OSD shown when key pressed?
Keypad OK?
Backlight turned
Scalar output
"Check LCD Module"
No
Yes
ON?
Yes
Data ?
Yes
Follow instructions from OSD dialog
Yes
Proceed to
No
"Check Control Board".
Proceed to
No
"Check Power Board".
Proceed to
No
"Check Scalar"
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