Key Back Light - Samsung SGH-A517 Service Manual
Gsm telephone
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Also See for SGH-A517:
- User manual (162 pages) ,
- Manual del usuario (163 pages) ,
- Quick start manual (2 pages)
Table of Contents
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Flow Chart of Troubleshooting
9-10. Key Back Light
Main Key LED does not work
Yes
No
Check the U404 related to "VDD_KEY"
U404 pin6 = "H"?
Yes
U404 pin3 = 3.3V ?
Resolder U404
Yes
Does Key LED turn on?
Change KEY FPCB
END
9-16
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