SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
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9-19
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
Change the board to board
Connector
U1 pin 8 (LCD_BL_ON)
= "H" ?
Yes
No
Check the U1 & the related circuit
U1 PIN 14 = 6.3V ?
Yes
Replace the LCD Module
Yes
END
Summary of Contents for SGH-E500
Page 32: ...8 PCB Diagrams 8 1 8 1 Top ...
Page 33: ...PCB Diagrams 8 2 8 2 Bottom ...