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Checking Flow : LCD
START
Check L300, C315 Voltage
(MSMP)= 2.8V ?
Yes
Check the
CON303 Soldering
Yes
Does LCD work properly?
Check voltages at each
point of Capacitor.
Yes
Check the
Control signal
D[0:7], LCD_RESET/,
LCD_RS/, LCD_CS/,
LWR/,RD/
Yes
LCD display will
work properly
No
Re-Soldering L300,C315
No
Re-Soldering CON303
No
Change the LCD Module
No
Does VR300,VR301, R326
Work Properly?
Yes
Change the Main Board
No
Re-soldering or Replace
VR300,VR301, R326
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