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START
No
Does LCD work properly?
Change the LCD Module
Yes
No
No
Check power 2.5V
Check soldering L300
Re-soldering L300
YES
Yes
Replace L300
Check the
Control signal
D[0:15], LCD_RESET1/,
A[1], LCD_CS/,
LWR/
Yes
No
Check CON301 soldering
Re-solder CON301
Yes
LCD display will
work properly
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