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Flow Chart of Troubleshooting
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9-17

9-10. LCD part

END
Replace the LCD Module
Yes
OK
LCDisalwaysBlack?
Yes
No
Resolder LCD FPCB
Resolder LCD FPCB
No
No
Pin 15
VLCD_2.8V is
2.8V?
Yes
Backlight are ok? Resolder LCD FPCB
Yes
LCD does not work