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Samsung SGH-E350 Service Manual page 49

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10. Key Back Light
Main Key LED does not work
U606 pin3 = H ?
C622
KEY_LED_ON
Yes
Yes
END
VBAT
U606
3
VIN
VOUT
4
2
GND
5
NC
1 STBY
GND
R607
6
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This Document can not be used without Samsung's authorization
No
Check the U200 related to "VDD_KEY"
R611
R612
R613
R614
75
75
75
75
LED601
LED602
LED603
LED600
C620
SLSNNWH113TS
KEY_LED
7-21
Flow Chart of Troubleshooting
R615
R616
R618
R619
75
75
75
75
LED604
LED605
LED606
LED607

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