Samsung GT-E2652W Service Manual page 71

1 2
VDD_IO1_1.8V
A
C501
VDD_IO1_1.8V
DSDS_SCL
DSDS_SDA
VSIM_2.85V
R530
B
R532
SHORT 1
IRQ
R531
2
RST_BB RESETX
3
NC
U501
4
BSI
5
CLK2
SIM2_CLK
6
SIM2_IO IO2
SIM2_RST
VBAT
C
C510
D
VDD_IO1_1.8V
E R523 R524
U502
E4 D4
KEY_COL(0)
COL0 ROW0
A3 C4
KEY_COL(1) COL1 ROW1
B3 A4
MIC_SEL
COL2 ROW2
C3 E5
BT_RST COL3 ROW3
D3 D5
TOUCH_RST
COL4 ROW4
E3 C5
EN_CAM_PWR COL5 ROW5
A2 B5
COL6 ROW6
B2 A5
COL7 ROW7
C2
COL8
D2 B1
COL9 VCC
E2 E1
GND NINT
A1
NRST
B4
F
NC
1 C1
NC SDA
2 D1
NC SCL
C517
G
G500 G501 G502 G503 G504 G505
H
1 2
3 4 5
Service Schematics
TP_SIM_IO
18
IO SIM_IO
TP_SIM_CLK
17
CLK SIM_CLK
TP_SIM_RST
16
RST SIM_RST
15
NC
14
SIM1_CLK
CLK1
13
IO1 SIM1_IO
SIM1_RST
VSIM2_3.0V VSIM1_3.0V
TAC_VU
C511 C512
1
KEY_ROW(0)
3
TAC_VD
1
KEY_ROW(1)
3
R521 R522
SIM_S/W
1
KEY_ROW(0)
KEY_ROW(0)
KEY_ROW(1) 3
KEY_ROW(2)
KEY_ROW(3)
WLAN_LDO_EN
WLAN_RST_N
VF
EXPANDER_INT HOLD
EXPANDER_RST
1
EXPANDER_SDA_1.8V KEY_ROW(1)
EXPANDER_SCL_1.8V
3
G506 G508
R527
KEY_COL(1)
R528
KEY_COL(0)
KEY_ROW(2)
3 4 5
6 7
VSIM1_3.0V
SIM1_IO
R519
SIM1_RST
SIM1_CLK
2
KEY_COL(0)
4 5 6 7
SPK_P
2
KEY_COL(0)
SPK_N
4 5 6 7
2
KEY_COL(1)
RCV_P
4 5 6 7
RCV_N
2
KEY_COL(1)
4 5 6 7
END
2 1
ONKEY_N
SEND BACK
2 1 2 1
C519
6 7
8 9
TSP_X+
TSP_X-
R512
TSP_Y+
TSP_Y-
SIM500
6
1 1 6
5 5
2 2
3 3 4 4
G G G G
10 9 8 7
C506
C507 C508
C509
TSP_Y-
TSP_X+
L502
L500
SPK500
L503
L501
C513 C514
RCV500
R526 2
2
R525
1
1
C516 C515
8 9
10 11 12
VTOUCH_1.8V
VTOUCH_1.8V
C500
R501 R502 R500
U500
A2
VDD
B1
NIRQ TOUCH_INT
TOUCH_RST
B2 C2
A0 NRST TOUCH_RST
D1
SCL TOUCH_SCL
A1 C1
AUX SDA TOUCH_SDA
A3 D2
X+ GND
C3
X-
1
NC
B3 2
Y+ NC
D3
Y-
ZD500
HEA500
1 1 2 2
3 3 4 4
TSP_X-
5 5 6 6
7 7 8 8
TSP_Y+
9 9 10 10
NC NC
NCNC
11 12 13 14
10 11 12
A
B
C
D
E
F
G
H