Samsung SGH-Z140 Service Manual page 38
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Also See for SGH-Z140:
- User manual (90 pages) ,
- User manual (91 pages) ,
- Service manual (57 pages)
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Flow Chart of Troubleshooting
7-8. Back Light (for Color Main LCD)
Backlight does not work
Yes
No
Is BACKLIGHT set
Set BACKLIGHT on AlwaysON
AlwaysON in the Menu?
Yes
No
Replace or Resolder L703
L703 = 2.8V?
Yes
Replace the LCD Module
Yes
END
7-14
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