5. Trouble shooting
GD510 Operational Description
5.9 Keypad back light trouble
Check Points
-Signal path is connected well
VA802
EVL5M02200
KEY_BL_RED
TP1
LG Electronics
LGE Internal Use Only
VBAT
TP1
TP1
LD801
LEMC-S11G
3
Q801
2
KTC4075E
1
77/113
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Revision A
KEY_BL_BLUE
LGE Property
Only for training and service purposes