Key Back Light - Samsung SGH-D880 Service Manual
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Also See for SGH-D880:
- User manual (50 pages) ,
- User manual (50 pages) ,
- Quick start manual (7 pages)
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Flow Chart of Troubleshooting
9-10. Key Back Light
Main Key LED does not work
Yes
No
Check the UPL400 related to
UPL400 pin50 = "H"?
"VDD_KEY_3.3V"
Yes
UPL400 pin50 = 3.3V ?
Change UPL400
END
9-19
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