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1
2
1
E
10
7
F
B
G
Service Schematics
4
E
3
8
6
H
B
8
G
C
7
A
9
H
D
11
A
5
9
11
4
12
12
2
5
10
6
C
D
F
3
C506
C505
G502 G503
G506
G504 G505
G508
RCV500
1
1
2
2
C515
2
3
4
5 6 7
1
TP_SIM_CLK
TP_SIM_RST
HOLD
C511
NRST
C3
X-
SCL
D1
GND
D2
Y-
D3
VDD_IO1_1.8V
NC
A1
AUX
VDD
A2
A3
X+
B1
NIRQ
B2
A0
B3
Y+
C1
SDA
C2
VSIM2_3.0V
U500
1
NC
2
L503
C501
R528
VTOUCH_1.8V
TP_SIM_IO
12 13
NCNC
14
G501
4
4
5 5
6
6
7 7
8
8
9 9
11
NC NC
HEA500
1 1
10
10
2
2
3 3
ZD502
C510
VSIM_2.85V
R531
1
2
R500
3
4
5 6 7
6 7
1
2
VBAT
TAC_VD
TAC_VU
3
4
5
L502
ZD503
NINT
E1
GND
E2
COL5
E3
E4
COL0
ROW3
E5
COL3
C3
C4
ROW1
C5
ROW5
SCL
D1
COL9
D2
COL4
D3
D4
ROW0
ROW4
D5
ROW7
A5
VCC
B1
COL7
B2
COL2
B3
NC
B4
ROW6
B5
SDA
C1
COL8
C2
U502
NC
1
NC
2
NRST
A1
COL6
A2
COL1
A3
ROW2
A4
G500
R526
ZD504
L501
C519
R516
VSIM1_3.0V
R521
ZD500
C517
C504
R522
R527
L500
C514
C513
C516
VTOUCH_1.8V
1
2
R525
BACK
C507
R532
5 6 7
1
2
SHORT
SIM_S/W
3
4
R501
ZD501
3
3
4
4
5 5
6
6
7
G
G
8
9
G
G
10
SIM500
1
1
2
2
R523
R524
R519
R512
SEND
1
2
VSIM1_3.0V
VDD_IO1_1.8V
END
1
2
C500
C512
R530
R504
R503
ZD506
R502
NC
3
BSI
4
CLK2
5
IO2
6
RST2
7
VSIM2
8
VDDBAT
9
VSSIO
20
VDDIO
21
NC
22
SCK
23
SDA
24
25
VSS
NC
26
NC
27
IO1
13
CLK1
14
NC
15
RST
16
CLK
17
IO
18
NC
19
RESETX
2
U501
IRQ
1
VSSBAT
10
VSIM1
11
RST1
12
C503
C502
VDD_IO1_1.8V
ZD505
C509
C508
SPK500
TSP_Y-
TSP_X+
TOUCH_INT
RST_BB
TOUCH_RST
KEY_ROW(0)
KEY_COL(1)
EN_CAM_PWR
TOUCH_RST
BT_RST
KEY_COL(0)
MIC_SEL
WLAN_RST_N
KEY_ROW(2)
KEY_ROW(3)
WLAN_LDO_EN
KEY_ROW(0)
KEY_ROW(1)
VF
RCV_P
RCV_N
TSP_X-
TSP_Y+
KEY_COL(0)
KEY_COL(0)
KEY_ROW(1)
KEY_ROW(0)
KEY_COL(1)
KEY_ROW(1)
KEY_COL(1)
SPK_P
SPK_N
EXPANDER_SDA_1.8V
EXPANDER_SCL_1.8V
EXPANDER_INT
EXPANDER_RST
ONKEY_N
KEY_ROW(2)
KEY_COL(1)
KEY_COL(0)
TSP_X+
TSP_X-
TSP_Y+
TSP_Y-
TOUCH_RST
TOUCH_SDA
TOUCH_SCL
SIM1_RST
SIM1_IO
SIM1_CLK
SIM_RST
SIM_CLK
SIM_IO
SIM2_CLK
SIM2_IO
SIM2_RST
SIM1_RST
SIM1_IO
SIM1_CLK
DSDS_SDA
DSDS_SCL