LG KF700Q Service Manual page 74

CAMERA Double & LOCK KEY
CN501
1
2
3
4
5
OK
CN502
1
2
3
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Only for training and service purposes
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_COL(4)
KEY_ROW(0)
KEY_COL(4)
[Fig. 4.2] Schematic of key sense part (SUB FPCB)
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4. TROUBLE SHOOTING
LGE Internal Use Only