LG VX9100 Service Manual page 114

VX9100
LCD Change
Does it work properly?
Check the CP_RESET/ (C511)
Check LCD_BL_OUT = 4V ~ 5V ?
Check the Connector (CON501)?
Check the LCD Connector?
Main key backlight w ill work properly
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Only for training and service purposes
START
YES
NO
2.6V ?
YES
YES
YES
YES
Checking Flow
Checking Flow
The LCD may have the problem
YES
NO
NO
NO
NO
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Redownload the software
Does it work properly?
NO
Replace MSM (U202)
Replace SubPMIC (U500)
Change FPCB
Change LCD
LGE Internal Use Only