Lcd Display - Samsung SGH-S730i Service Manual

Flow Chart of Troubleshooting

3-1-8. LCD Display

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