START
Checking the Back Light out Main & Sub ?
Checking the Connector (Con601)?
Checking the Connector (Con803)?
Main key backlight w ill work properly
CHANNEL 3= VPWR
CHANNEL 4=LCD BACK LIGHT OUT
Checking Flow
Checking Flow
YES
YES
YES
YES
NO
NO
NO
Replace Charge pump
Change FPCB
Change FPCB