Acer P244W

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