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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)
OSD shown when key pressed?
No
Yes
Follow instructions from OSD dialog
Yes
No
Screen is Blank and Power LED
is White.
ON?
Data ?
Yes
“Check Power Board”.
No
Yes
“Check LCD Module”
No
“Check Scalar”
“Check Control Board”.
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