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7. CIRCUIT DIAGRAM
1
2
QWERTY KEY
A
2V62_VIO
R405
470
KEY_COL7
R407
470
KEY_COL6
R409
470
KEY_COL5
R411
0
KEY_INT
R413
0
KEY_I2C_SCL
R415
B
4.7K
Soft1
W
KB400
KB401
KB402
C
KEY_ROW0
Q
A
C425
KB408
KB409
KB410
27p
KEY_ROW1
Fn
S
KB416
KB417
KB418
KEY_ROW2
Sym
Z
C426
KB424
KB425
KB426
27p
D
KEY_ROW3
Shift
X
KB432
KB433
KB434
KEY_ROW4
KEY_COL0
C427
27p
KEY_COL1
KEY_COL2
E
KEY_COL3
KEY_COL4
KEY_COL5
KEY_COL6
KEY_COL7
1
2
LGE Internal Use Only
3
4
5
2V62_VIO
2V62_VIO
C400
0.1uF
R400
120K
(1%)
C401
0.1uF
1
21
R403
470
TEST
P40
KEY_ROW0
2
20
R404
470
SEL_28P
P41
KEY_ROW1
3
19
R406
470
P57
P42
KEY_ROW2
4
U400
18
R408
470
P56
P43
KEY_ROW3
5
PP2106M2
17
R410
470
P55
P44
KEY_ROW4
6
16
R412
470
P17
P45
KEY_ROW5
7
15
R414
470
P15
P46
KEY_ROW6
C420
27p
C421
27p
C422
27p
C423
27p
C424
27p
E
T
U
I
O
Soft2
KB403
KB404
KB405
KB406
KB407
R
Y
H
J
P
CLR
KB411
KB412
KB413
KB414
KB415
D
G
Space
K
L
MSG
KB419
KB420
KB421
KB422
KB423
F
V
B
N
M
ENTER
KB427
KB428
KB429
KB430
KB431
C
3
4
5
6
7
8
MAIN To FPCB Connector
END_KEY
SUB_KEY_BL
KEY_ROW4
KEY_ROW5
KEY_ROW6
KEY_COL4
KEY_COL5
KEY_COL6
KEY_COL7
FL403
ICVE10184E150R101FR
1
9
TOUCH_SCL
INOUT_A1
INOUT_B1
2
8
TOUCH_SDA
INOUT_A2
INOUT_B2
3
7
TOUCH_INT
INOUT_A3
INOUT_B3
4
6
DBB_BL_PWM
INOUT_A4
INOUT_B4
RCV_P
RCV_N
6
7
- 110 -
9
10
VBAT
2V62_VIO
2V8_VVIB
FL400
ICVE10054E250R201FR
1
9
IF_MODE3
INOUT_A1
INOUT_B1
2
8
INOUT_A2
INOUT_B2
LCD_ID
3
7
INOUT_A3
INOUT_B3
DIF_RESET
4
6
INOUT_A4
INOUT_B4
DIF_VSYNC
CN400
1
40
2
39
3
38
4
37
5
36
6
35
FL401
ICVE10054E250R201FR
7
34
1
9
INOUT_A1
INOUT_B1
DIF_RD
8
33
2
8
INOUT_A2
INOUT_B2
DIF_WR
9
32
3
7
INOUT_A3
INOUT_B3
DIF_CD
10
31
4
6
INOUT_A4
INOUT_B4
DIF_CS
11
30
12
29
13
28
14
27
15
26
16
25
17
24
FL402
ICVE10054E250R201FR
18
23
1
9
INOUT_A1
INOUT_B1
DIF_D(0)
19
22
2
8
INOUT_A2
INOUT_B2
DIF_D(1)
20
21
3
7
INOUT_A3
INOUT_B3
DIF_D(2)
4
6
INOUT_A4
INOUT_B4
DIF_D(3)
Socket
FL404
ICVE10054E250R201FR
1
9
INOUT_A1
INOUT_B1
DIF_D(4)
2
8
INOUT_A2
INOUT_B2
DIF_D(5)
3
7
INOUT_A3
INOUT_B3
DIF_D(6)
4
6
INOUT_A4
INOUT_B4
DIF_D(7)
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
D
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