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Flow Chart of Troubleshooting
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2-26
3-1-8. LCD Display
LCD does not display
First, Check the connection of FPCB and LCD
Have a some problem of
FPCB
YES
Replace the FPCB
NO
Display a image (MMI)
clearly
NO
Check the connection of LCD and the
solder-status of SLC1, HDC501.
YES
Backlight does not work
NO
Check the voltage. (If had no problem,
Check the
BL_EN
signal)
(PAM3)
YES
Backlight's brightness is
uniform
NO
Change to new component
(PAM3)
.
If not effect, change to new LCD.
YES
END