LG GD510 - Keypad Back Light Trouble

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Only for training and service purposes
5. Trouble shooting
GD510 Operational Description Revision A
LG Electronics 77/113 LGE Property
5.9 Keypad back light trouble
Check Points
-Signal path is connected well
TP1
TP1
01
108R
01
208R
VBAT
KTC4075E
Q801
1
2
3
EVL5M02200
VA802
LEMC-S11GLD801
4
3
2
1
R G
B
KEY_BL_RED
KEY_BL_BLUE
TP1