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Flow Chart of Troubleshooting
10-2
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C313
VCCD_2.9V
VBAT
VCCA_2.9V
C315
C334
C300
VCCD_1.8V_EN
C303
C314
R304
C312
R318
BAT300
G
E
N
1
2
S
O
P
R300
C301
R302
C304
4
1
R
N
G
E
R
V
3
1
M
P
G
E
R
V
H11
VRTC
K12
VSIM
5
G
1
S
S
V
4
K
2
S
S
V
2
R
3
S
S
V
6
P
4
S
S
V
3
1
R
M
C
V
X
V
1
D
Q
A
N
E
O
X
VL4S_B
D10
VL5S_A
VL5S_B
C9
G11
VLDO_1
J12
VLDO_2
A13
VLDO_3
B12
VLDO_4
B10
VLDO_5
A14
VLDO_6
C12
VLDO_7
A10
VREF
6
A
B
D
D
V
1
1
N
D
D
D
V
1
1
L
V
D
D
V
5
N
1
O
I
_
D
D
V
4
J
2
O
I
_
D
D
V
4
C
L
T
C
O
_
D
D
V
E14
VEXT
F15
VIB_DRV
9
L
N
E
_
G
N
R
_
B
I
V
A12
VL4S_A
B11
UP_IO
R10
UP_RST
F14
VACC
E13
VBAT
3
J
1
D
D
V
J13
VDD12
3
M
2
D
D
V
6
N
3
D
D
V
C11
VDD34
0
1
C
5
D
D
V
3
1
B
7
6
D
D
V
M7
N7
SDO_PSC
C2
SERCK
SERDA
C1
SERLE1
B1
A2
SERLE2
K14
SIM_CLK
J11
SIM_IO
K11
SIM_RST
7
E
P
X
T
N9
UP_CLK
P10
9
K
O
_
T
E
S
E
R
F13
RING_DRV
H10
RTC_ALMN
4
N
K
L
C
_
C
T
R
L2
RWN
6
D
N
I
X
T
X
R
7
D
P
I
X
T
X
R
6
C
N
Q
X
T
X
R
7
C
P
Q
X
T
X
R
L8
SCLK_PSC
SDI_PSC
OCTL4
OCTL5
G6
B3
OCTL6
OCTL7
A3
7
L
F
U
B
_
1
W
S
P
9
M
P
E
E
K
_
R
W
P
5
1
C
N
1
W
S
_
R
W
P
4
1
C
2
W
S
_
R
W
P
6
B
1
F
E
R
A
R
5
B
2
F
E
R
A
R
RESETN_CSP
R3
4
1
N
P
N
I
C
I
M
5
1
P
N
T
U
O
C
I
M
5
1
N
P
T
U
O
C
I
M
0
1
N
E
D
O
M
5
C
N
1
2
6
C
N
E6
OCTL0
OCTL1
C5
F5
OCTL2
OCTL3
E5
A4
3
1
P
V
D
N
G
1
1
F
R
U
C
H
_
D
N
G
4
B
L
T
C
O
_
D
N
G
5
1
B
1
C
S
P
_
D
N
G
5
1
K
2
C
S
P
_
D
N
G
0
1
L
Q
R
T
N
I
I|O
L3
G13
LED1_DRV
G12
LED2_DRV
6
R
C
M
4
1
M
N
N
I
C
I
M
5
1
S
D
N
G
0
1
J
6
1
S
D
N
G
0
1
K
7
1
S
D
N
G
8
F
2
S
D
N
G
9
F
3
S
D
N
G
0
1
F
4
S
D
N
G
7
G
5
S
D
N
G
8
G
6
S
D
N
G
9
G
7
S
D
N
G
0
1
G
8
S
D
N
G
6
H
9
S
D
N
G
3
P
R
T
N
I
D
6
F
B
D
N
G
0
1
M
D
D
N
G
8
E
Q
D
N
G
7
F
1
S
D
N
G
7
H
0
1
S
D
N
G
8
H
1
1
S
D
N
G
2
1
S
D
N
G
9
H
7
J
3
1
S
D
N
G
8
J
4
1
S
D
N
G
9
J
E3
DB13
D3 DB14
D2
DB15
K3
DB2
DB3
J5
J6
DB4
H5
DB5
G3
DB6
G4 DB7
F4
DB8
F1
DB9
CREF
E9
CSN_PSC
K8
4
R
K
C
I
A
D
6
L
I
D
I
A
D
6
M
O
D
I
A
D
4
P
N
R
I
A
D
K1
DB0
DB1
K2
F2
DB10
F3
DB11
E2
DB12
P
A
T
U
O
A
2
1
P
N
B
T
U
O
A
2
1
R
P
B
T
U
O
A
4
1
L
N
N
I
X
U
A
5
1
M
P
N
I
X
U
A
3
1
L
N
T
U
O
X
U
A
3
1
K
P
T
U
O
X
U
A
3
1
D
3
C
D
A
_
X
U
A
E11
CH_BDRV
F12
CH_ISEN
D14
CH_RES
N2
AB4
AB5
M2
M1
AB6
AB7
K7
K5
AB8
E10
ADC_AUX1
D15
ADC_AUX2
5
P
4
X
U
A
_
C
D
A
9
D
C
F
A
2
1
N
N
A
T
U
O
A
1
1
P
UCD301
K6
AB0
AB1
P1
L5
AB2
AB3
N1
VCCB_2.9V
U301
C332
C333
VCCD_2.9V
C317C316
VBAT
C319
VCCB_2.9V
VRF_2.9V
R301
C321
R305
C302
VCCD_1.8V
VRTC_1.5V
VCCA_2.9V
C335
C336
C318
VCCD_2.9V
VBAT
AFC
SX_EN
SERCLK
SERLE
SERDAT
VAPC
XOENA
BAND_SEL
DCS_TX_EN
GSM_TX_EN
CLK13M_MC
RX_EN
RTX_IP
RTX_IN
RTX_QN
RTX_QP
PAC_EN
TX_EN
PCS_RX_EN
MOD_SEL
SIM_IO
VSIM
SIM_CLK
EAR_CHECK
SIM_RST
PSW1_BUF
XOENAQ
ICHRG
P
T
U
O
C
I
M
N
T
U
O
C
I
M
P
N
I
X
U
A
N
N
I
X
U
A
P
T
U
O
X
U
A
N
T
U
O
X
U
A
UP_SDO
UP_SCLK
UP_CSDSP_RWN
DSP_INT
P
A
T
U
O
A
N
A
T
U
O
A
P
B
T
U
O
A
N
B
T
U
O
A
CLK32K
FLASH_RESET
PWR_ON
JIG_ON
P
N
I
C
I
M
N
N
I
C
I
M
DSP_DB(1)
DSP_DB(0)
DSP_AB(0:8)
DSP_AB(8)
DSP_AB(7)
DSP_AB(6)
DSP_AB(5)
DSP_AB(4)
DSP_AB(3)
DSP_AB(2)
DSP_AB(1)
DSP_AB(0)
DSP_DB(11)
DSP_DB(10)
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)
RTCALARM
UP_SDI
SIMCLK
SIMDATA
SIMRST
DSP_DB(0:15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(15)
INTRQ
DSP_IO
PWR_KEEP
RST