LG KB770 Service Manual page 164

7. CIRCUIT DIAGRAM
1 2
A
14 PIN CONNECTOR
PM_ON_SW_N
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_COL(0)
KEY_COL(1)
B
TP101
C
KEY LED
LD101
D
E
1 2
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Only for training and service purposes
3 4
CN101
1 14
+VPWR
2 13
LED_CON
3 12
4 11
5 10
6 9
7 8
TP102
LD102
VA103
ICVN0505X150FR
3 4
5 6 7
KEY(Side Volume Up/Down, OK, Send, Clear, Zoom In/shutter)
UP
MIC?
1
OUT KEY_ROW(0)
2
G1
3 SW101
G2
4
G3
5
PWR
6
G4
SPM0410LR5H-QB
KEY_ROW(1)
LOC
KEY_ROW(2)
CLR
KEY_ROW(3)
KEY_COL(0)
KEY_COL(1)
END
PM_ON_SW_N
5
- 165 -
8 9 10
DOWN
SEND
A
A
B
B
C
D
LGE Internal Use Only