Acer X193HQ - Page 44

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Is control BD working?
OSD
doesn’t work
Replace control BD
Check interface BD
2. BUTTON Function:
2.1 Control Board
3. OSD function:
OSD is not working
Is control BD connecting?
Is bottom switch normally?
Plug control BD then retry
Replace control BD then retry
Yes
Yes
Is OSD working??
Yes
Check Interface BD
No
No
No
N
Y