Back Light (For Lcd ) - Samsung SGH-X700 Service Manual

Flow Chart of Troubleshooting
7-9. Back Light (for LCD
Backlight does not work
Is LCD Contrast set on
U704 pin 1 = 7V ?
U704 PIN 4 =
Replace the LCD Module
)
Yes
high
Yes
Yes
Yes
Yes
END
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No
Set LCD Contrast on high level
No
Resolder U704
No
Resolder R704
7-18