Samsung GT-B5310 Service Manual page 90

Gsm telephone
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SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS COS PROPERTY.
DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
VBB_D_2.9V
R708
R713
U700
1
6
NO
IN
ON_KEY
2
5
GND
VCC
3
4
KEY_COL(2)
NC
COM
KEY_ROW(5)
KEY_ROW(0)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_ROW(5)
KEY_ROW(6)
KEY_COL(0)
1
2
1
2
Q
A
KEY_COL(1)
1
2
1
2
W
S
KEY_COL(2)
1
2
1
2
E
D
KEY_COL(3)
1
2
1
2
R
F
KEY_COL(4)
1
2
1
2
T
G
KEY_COL(5)
1
2
1
2
Y
H
KEY_COL(6)
1
2
1
2
U
J
KEY_COL(7)
1
2
1
2
I
K
Service Schematics
F700
16
1
KEY_ROW(0)
IN
OUT
15
2
KEY_ROW(1)
IN
OUT
14
3
KEY_ROW(2)
IN
OUT
13
4
KEY_ROW(3)
IN
OUT
12
5
KEY_ROW(4)
IN
OUT
11
6
KEY_ROW(5)
IN
OUT
10
7
KEY_ROW(6)
IN
OUT
9
8
IN
OUT
17
1
2
1
2
HOME
ALT
1
2
1
2
Z
SYM
1
2
1
2
X
MAIL
1
2
1
2
C
INTERNET
1
2
1
2
1
2
1
2
V
SPACE1
QUESTION
SPACE2
1
2
1
2
1
2
1
2
B
DOT
LEFT
O
1
2
1
2
1
2
1
2
N
UP
DOWN
P
1
2
1
2
1
2
1
2
M
ENTER
RIGHT
BACK
VBB_D_2.9V
KEY_ROW(0)_F
KEY_ROW(1)_F
KEY_ROW(2)_F
KEY_ROW(3)_F
KEY_ROW(4)_F
R702
KEY_ROW(5)_F
KEY_ROW(6)_F
KEY_INT
I2C_SDA_KEY
I2C_SCL_KEY
KEYLED_EN
VKEY_3.3V_LED
LED700
1
2
LED701
L
LED702
1
2
LED703
COMMA
ZD711
1
2
OK
Main Ant
GSM Tx
GSM850 Rx
GSM900 Rx
D/PCS Tx
DCS Rx
PCS Rx
WCDMA 1 Tx
WCDMA 1 Rx
WCDMA 8 Tx
WCDMA 8 Rx
Power ON
L700
GPIO EXPANDER
R701
R700
R703
R720
R704
EXP700
C5
E5
VCC
GPIO_0
C1
D4
VIO
GPIO_1
D5
GPIO_2
B5
C4
INT
GPIO_3
E4
A5
RESET_N
GPIO_4
A4
GPIO_5
E3
B3
SDATA
GPIO_6
D3
A3
SCLK
GPIO_7
A2
GPIO_8
B4
A1
CLK_IN
GPIO_9
B2
GPIO_10
B1
GPIO_11
C2
D1
GND
GPIO_12
C700
C3
D2
GND
GPIO_13
1
E1
NC
GPIO_14
2
E2
NC
GPIO_15
KEY_COL(3)
VOL UP
V_BATT
VKEY_3.3V_LED
U701
4 VDD
1
VOUT
2
3 CE
GND
5
C701
C702
KEY_COL(1)
KEY_COL(0)
TAC703
R709
CAM
R710
KEY_ROW(6)
R711
R712
ZD710
R705 R706
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_COL(5)
KEY_COL(6)
KEY_COL(7)
KEY_ROW(0)_F
KEY_ROW(1)_F
KEY_ROW(2)_F
KEY_ROW(3)_F
KEY_ROW(4)_F
KEY_ROW(5)_F
KEY_ROW(6)_F
TAC700
TAC701
VOL DOWN
KEY_ROW(6)
KEY_ROW(5)
ZD700
ZD708
TAC702
HOLD
KEY_ROW(6)
ZD709

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