Samsung GT-S3850 - Key Matrix

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Level
3
Repair
8-20
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FRONT KEY
KEY MATRIX
Hold & Power ON Key
KEY_ROW(0) MENU
KEY_ROW(2)
KEY_COL(0 ) KEY_COL(1)
SEND
KEY_ROW(1)
VOL_DOWN
VOL_UP
END
SIDE KEY
L605
C604
C610
2
L604
DOME_KEY_MENU
1
67
12
TAC_HOLD
345
DOME_KEY_SEND
12
L601L600
2
DOME_KEY_END
1
V601
L603
L602
3 4 56 7
12
TAC_DN
67
12
TAC_UP
345
KEY_COL(0)
KEY_COL(1)
ONKEY_N
KEY_ROW(0)KEY_COL(1)
KEY_ROW(1)
KEY_ROW(1)
KEY_COL(0)
KEY_ROW(2)
C
1
3
7
C
2
3
9
C
3
3
4
C
3
4
0
C401
C404C405
C409
C
4
1
1
C
4
1
2
C420
C421
C423
C424
C425
C426
C500
C505
C
5
0
6
C
5
0
8
C
5
0
9
C510
C
5
1
1
C
5
1
2
C
5
1
3
C
6
0
8
D401
D402
D500
D
6
0
0
HEA501
L400
L
4
0
3
L404
L407
L412
L415
L
5
0
0
L501
L
5
0
2
M
O
T
6
0
0
M
O
T
6
0
1
R
2
0
2
R
3
0
5
R402
R405R406R407
R410 R413
R414
R416
R417
R418
R419
R
5
0
1
R
5
0
2
R
5
0
5
R507
R508
S
I
M
3
0
0
S
O
C
5
0
0
SPK400
SPK401
TAC_D
T
A
C
_
H
O
L
D
TAC_U
T
P
_
A
D
D
TP_CE_ONE_NAND
T
P
_
D
_
W
E
_
N
T
P
_
D
D
R
_
C
E
TP_F_ADV_N
TP_OE_N
T
P
_
W
E
_
N
TP500
T
P
5
0
3
U
5
0
0
UME200
V
4
0
4
V
5
0
0
V
5
0
1
V
5
0
2
V
5
0
3