User Guide

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SGH-E610 Flow Chart of Troubleshooting and Circuit Diagrams
2-13
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7. Back Light
END
Select backli ght 'ON' mode
NO
Check the U301
NO
YES
YES
YES
Backlight does not
work
YES
Back ligh t 'ON' mode
in
the meue
Check the PIN 24 of
CON503 = 2.6V
Check the
connection
from CON503 to
LCD
Module
YES
Replace FPCB CONNECTOR
NO
Change LCD Module
NO
Check the soldered status of CON503
LCD backlight on?