56
5.2 key debug flow:
5.3 Panel debug flow:
Key Debug
Replace
keyboard
Check U12 works
END
N
Y
Key works?
Disconnect LVDS cable
Replace panel
Check set is ok?
Check U12 works
N
Y
Check LCM power
(R82) 5V ok?
Check Q1 pin2 is 5V?
N
N
Y
Check Q2 pin2
is high?(
>
2.4V)
LCM power Debug
Y
N
Y
Replace Q1
END
Summary of Contents for HS244HQ
Page 1: ...1 ACER_X34GS LIFECYCLE EXTENSION GUIDE ...
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Page 37: ...37 Audio Gaming ...
Page 38: ...38 OSD System ...
Page 39: ...39 Information Save settings to ...
Page 40: ...40 c Icons introduct d Item page status 2 3 2 Key operation ...
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Page 44: ...44 2 7 OSD Menu Tree ...
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Page 46: ...46 3 Exploded Diagram ...
Page 66: ...66 11 FRU Field Replaceable Unit List ...
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