Table of Contents
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Checking Flow : LCD
START
Check LCD fpcb connection
OK
Check CON403
Pin3 (MSMP)= 2.6V ?
Pin33 (MSM_E1) = 1.8V ?
Yes
Check the
CON403 Soldering
Yes
Check the
Control signal
D[0:15], LCD_RESET/,
LCD_ID, LCD_CS/
,LCD_LIGHT
OK
Change the LCD Module
NG
Re-connect LCD fpcb
No
Check & replace QSC6010 circuit
No
Re-Soldering CON403
Does F401,F402,U477
NG
(LCD connection)
Work Properly?
Yes
Change the Main Board
No
Re-soldering or Replace
F401,F402,U477
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