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Flow Chart of Troubleshooting
9-18
9-9. Back Light (for Color Main LCD)
Backlight does not work
Yes
Set LCD Contrast on high level
Is LCD Contrast set on high
level in the Menu?
No
Yes
No
Resolder HCD500 or change PBA
Check the HCD500
pin 58 = H
Yes
Change the LCD Module
Yes
END
Check the SLC100
pin 58 = H
Yes
Resolder SLC100 or change SUB PBA
No
Summary of Contents for SGH-E740S
Page 35: ...8 PCB Diagrams 8 1 Top ...
Page 36: ...PCB Diagrams 8 2 Bottom ...