Technical information
Manuals
Brands
Acer Manuals
Monitors
B203H
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40
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4. Key Board
OSD is unst
able or not working
Is Key Pad Board connecting normally?
Connect Key Board
Is Button Switch normally?
Replace Button Switch
Y
NG
NG
Is Key Pad Board normally?
Replace Key Board
Y
NG
Y
Check Main Board
http://www.wjel.net
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