Key Back Light - Samsung SGH-E500 Service Manual

Flow Chart of Troubleshooting

9-10. Key Back Light

Main Key LED does not work
Yes
U602 pin 3 (key_LED_ON)
Check the UCP200 related to
"KEY_LED_ON"
No
= "H"?
Yes
U602 pin 1 = "H" ?
No
Replace U602
Yes
END
9-21
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