Samsung SGH-E100 Service Manual page 37
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Also See for SGH-E100:
- User manual (91 pages) ,
- Quick reference card (2 pages) ,
- Service manual (44 pages)
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9. Back Light (for Color Main LCD)
Backlight does not work
Is LCD Contrast set on
high level in the Menu?
CN100 pin 23 = 2.8V?
CN100 pin 15 = 3.05V?
Replace the LCD Module
Yes
Yes
Yes
Yes
Yes
END
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SGH-E100 Flow Chart of Troubleshooting
No
Set LCD Contrast on high level
No
Resolder U509
No
Replace the PBA
7-15
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