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Flow Chart of Troubleshooting
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3-2
K12
1
S
S
V
5
G
2
S
S
V
4
K
3
S
S
V
2
R
6
P
4
S
S
V
M
C
V
X
V
31
R
Q
A
N
E
O
X
1
D
VLDO_2 J12
A13
VLDO_3
VLDO_4 B12
VLDO_5 B10
VLDO_6 A14
VLDO_7 C12
VREF A10
N
G
E
R
V
41
R
P
G
E
R
V
31
M
VRTC H11
VSIM
5
N
2
OI
_
D
D
V
4J
L
T
C
O_
D
D
V
4
C
VEXT E14
VIB_DRV F15
9
L
N
E
_
G
N
R_
BI
V
VL4S_A A12
VL4S_B B11
VL5S_A D10
C9
VL5S_B
VLDO_1 G11
E13
1
D
D
V
3J
VDD12 J13
2
D
D
V
3
M
3
D
D
V
6
N
C11
VDD34
5
D
D
V
01
C
76
D
D
V
3
1
B
B
D
D
V
6
A
D
D
D
V
1
1
N
V
D
D
V
11
L
1
OI
_
D
D
V
B1
SERLE1
SERLE2
A2
SIM_CLK K14
SIM_IO J11
SIM_RST K11
P
X
T
7
E
UP_CLK N9
UP_IO P10
UP_RST R10
VACC F14
VBAT
K
L
C
_
C
T
R
4
N
RWN
L2
NI
X
T
X
R
6
D
PI
X
T
X
R
7
D
N
Q
X
T
X
R
6
C
P
Q
X
T
X
R
7
C
SCLK_PSC L8
M7
SDI_PSC
SDO_PSC N7
SERCK
C2
C1
SERDA
OCTL7
F
U
B_
1
W
S
P
7
L
P
E
E
K
_
R
W
P
9
M
N1
W
S
_
R
W
P
51
C
2
W
S
_
R
W
P
41
C
1
F
E
R
A
R
6
B
2
F
E
R
A
R
5
B
R3
RESETN_CSP
O_
T
E
S
E
R
9
K
RING_DRV F13
RTC_ALMNH10
E
D
O
M
01
N
1
5
C
N
6
C
N
2
OCTL0
E6
C5
OCTL1
F5
OCTL2
E5 OCTL3
OCTL4
A4
G6
OCTL5
OCTL6
B3
A3
5
1
B
2
C
S
P
_
D
N
G
51
K
Q
R
T
NI
01
L
L3
I|O
LED1_DRV G13
LED2_DRV G12
C
M
6
R
41
M
N
NI
CI
M
P
NI
CI
M
41
N
N
T
U
O
CI
M
51
P
P
T
U
O
CI
M
51
N
3
S
D
N
G
9
F
4
S
D
N
G
01
F
5
S
D
N
G
7
G
6
S
D
N
G
8
G
7
S
D
N
G
9
G
8
S
D
N
G
01
G
9
S
D
N
G
6
H
V
D
N
G
31
P
R
U
C
H_
D
N
G
11
F
L
T
C
O_
D
N
G
4
B
1
C
S
P
_
D
N
G
Q
D
N
G
8
E
1
S
D
N
G
7
F
01
S
D
N
G
7
H
11
S
D
N
G
8
H
9
H
21
S
D
N
G
31
S
D
N
G
7J
41
S
D
N
G
8J
51
S
D
N
G
9J
0
1J
61
S
D
N
G
71
S
D
N
G
01
K
2
S
D
N
G
8
F
K3
J5
DB3
DB4
J6
DB5
H5
DB6
G3
DB7
G4
DB8
F4
F1
DB9
3
P
R
T
NI
D
B
D
N
G
6
F
0
1
M
D
D
N
G
6
L
O
DI
A
D
6
M
N
RI
A
D
4
P
DB0
K1
K2
DB1
DB10
F2
DB11
F3
E2 DB12
DB13
E3
DB14
D3
D2
DB15
DB2
P
NI
X
U
A
51
M
N
T
U
O
X
U
A
31
L
P
T
U
O
X
U
A
31
K
3
C
D
A_
X
U
A
31
D
CH_BDRV E11
CH_ISEN F12
CH_RES D14
E9
CREF
CSN_PSC K8
K
CI
A
D
4
R
I
DI
A
D
AB7
AB8
K5
ADC_AUX1 E10
ADC_AUX2 D15
5
P
4
X
U
A_
C
D
A
C
F
A
9
D
N
A
T
U
O
A
21
N
P
A
T
U
O
A
11
P
N
B
T
U
O
A
21
P
P
B
T
U
O
A
21
R
N
NI
X
U
A
41
L
U838
AB0
K6
P1 AB1
AB2
L5
N1
AB3
AB4
N2
AB5
M2
AB6
M1
K7
C209
VCCB_2.9V
TP_CSN_PSC
R214
C202
VCCB_2.9V
R211
TP_VACC
T_DSP_IO
R205
VCCD_2.8V
VCCA_2.8V
BAT200
1
2
R204
C220
VCCA_2.8V
VBAT
R210
VBAT
VRF_2.8V
C215
1
3
2
C
C218
VRF_2.8V
VRTC_1.5V
3
0
2
C
VLDO_1.5V
HPEIO_1.8V
VCCD_2.8V
2
3
2
C
C221
VLDO_1.8V
3
32
C
C216
C217
32
2
C
C201
2
1
2
R
SUB_BATT
C228
VBAT
C214
TH200
C219
C230
C200
FLASH_RESET
ICHRG
EAR_ADC
F
U
B_
1
W
S
P
Q
A
N
E
O
X
RX_EN
PAC_EN
DSP_IO
DSP_RWN
SX_EN
N
NI
X
U
A
N
T
U
O
X
U
A
BAND_SEL
MOD_SEL
XOENA
TX_EN
P
NI
CI
M
N
NI
CI
M
P
T
U
O
CI
M
N
T
U
O
CI
M
P
NI
X
U
A
P
T
U
O
X
U
A
UP_SDO
UP_SCLK
UP_CS
GSM_TX_EN
DCS_TX_EN
PI
_
X
T
R
NI
_
X
T
R
P
Q
_
X
T
R
N
Q
_
X
T
R
P
A
T
U
O
A
N
A
T
U
O
A
P
B
T
U
O
A
N
B
T
U
O
A
K2
3
K
L
C
P
S
C_
M
3
1
K
L
C
N
O
_
R
W
P
N
O
_
GI
J
SIM_RST
SIM_IO
VSIM
SIM_CLK
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
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)
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)
T
NI
_
P
S
D
SERLE
SERDAT
SERCLK
C
P
A
V
C
F
A
DSP_DB(15)
INTRQ
PWR_KEEP
RST
RTCALARM
UP_SDI
SIMCLK
SIMDATA
SIMRST
DSP_DB(0:15)
VRF_2.8V
C125
R112
C126
C129
R113
R111
AFC
CLK26M