Back Light (For Color Main Lcd) - Samsung GT-E2121B Service Manual

Flow Chart of Troubleshooting

9-9. Back Light (for Color Main LCD)

Backlight does not work
Yes
No
Is BACKLIGHT set AlwaysON
Set BACKLIGHT on Always ON
in the Menu?
Yes
Not OK
Check the outflow voltage of
Replace U303
U303(PIN 3) is equal to 3.7V
OK
Replace the LCD Module
Yes
END
9-19
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