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Level 3 Repair
8-7
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8-3-2. LCD Working
Power Switch On
LCD FPCB
connector is co
rrectly connecti
ned?
Yes
Resolder D315 &
Checkneighboring circuits
Yes
NO
Yes
Change
Main PBA
UCP200
Replace
NO
Yes
LCD
Replace
D315 is correctly
connectined?
UCP200
LCD_RD,
LCD_RS = High ?
NO
Yes
R311
VGPIO = 2.8V ?
F300, F301,
F302, Resolder
NO
F300, F301,
F302 Correctly
mounted?
NO
correctly connect
Yes
NO
LCD Display
On?