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Flow Chart of Troubleshooting
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7-7
C302
C320
VRF
C321
VBAT
R309
R305
C324
TP302
U303
NEG
POS
C304
VCCD
C305
TP305
6
6
G
78
GG
91
0
G
CN300
1
1
22
3
3
4
4
5
5
VCCD
R306
C325
C327
C314
C311
R301
TP303
R303
C301
VBAT
C307
C313
R308
IN
2
ISET
4
1
VL
_ACOK
6
_CHG
8
_EN
5
7
BATT
G
91
0
GG
11
12
G
3
GND
TP304
U301
C318
C309
C319
R304
C326
R13
XOENAQ
D1
VLDO_7
C12
VREF
A10
VREGN
R14
VREGP
M13
VRTC
H11
VSIM
K12
G5
VSS1
K4
VSS2
VSS3
R2
VSS4
P6
VXVCM
VIB_RNG_EN
L9
VL4S_A
A12
VL4S_B
B11
VL5S_A
D10
C9
VL5S_B
VLDO_1
G11
VLDO_2
J12
A13
VLDO_3
VLDO_4
B12
VLDO_5
B10
VLDO_6
A14
C11
VDD5
C10
VDD67
B13
VDDB
A6
VDDD
N11
VDDV
L11
VDD_IO1
N5
J4
VDD_IO2
C4
VDD_OCTL
VEXT
E14
VIB_DRV
F15
K11
TXP E7
UP_CLK
N9
UP_IO
P10
UP_RST
R10
VACC
F14
VBAT
E13
VDD1
J3
VDD12
J13
VDD2
M3
VDD3
N6
VDD34
RXTXQP
C7
SCLK_PSC
L8
M7
SDI_PSC
SDO_PSC
N7
SERCK
C2
SERDA
C1
B1
SERLE1
SERLE2
A2
SIM_CLK
K14
SIM_IO
J11
SIM_RST
RAREF1
B6
RAREF2
B5
R3
RESETN_CSP
RESET_O
K9
RING_DRV
F13
RTC_ALMN
H10
RTC_CLK
N4
RWN
L2
RXTXIN
D6
RXTXIP
D7
RXTXQN
C6
OCTL1
OCTL2
F5
E5
OCTL3
OCTL4
A4
G6
OCTL5
OCTL6
B3
A3
OCTL7
PSW1_BUF
L7
PWR_KEEP
M9
PWR_SW1N
C15
PWR_SW2
C14
R6
MC
MICINN
M14
MICINP
N14
MICOUTN
P15
MICOUTP
N15
MODE N10
1
NC5
NC6
2
NC7 P5
OCTL0
E6
C5
GNDS8
GNDS9
H6
GNDV
P13
GND_HCUR
F11
GND_OCTL
B4
GND_PSC1
B15
GND_PSC2
K15
INTRQ L10
L3
I|O
LED1_DRV
G13
LED2_DRV
G12
GNDS13
GNDS14
J8
GNDS15
J9
GNDS16
J10
GNDS17
K10
GNDS2
F8
GNDS3
F9
GNDS4
F10
GNDS5
G7
GNDS6
G8
GNDS7
G9
G10
DB8
F4
DB9
F1
DINTR
P3
F6
GNDB
GNDD
M10
GNDQ
E8
F7
GNDS1
GNDS10
H7
GNDS11
H8
H9
GNDS12
J7
F3
DB12
E2
DB13
E3
DB14
D3
DB15
D2
DB2
K3
J5
DB3
DB4
J6
DB5
H5
G3
DB6
DB7
G4
CH_RES
D14
E9
CREF
CSN_PSC
K8
DAICK
R4
L6
DAIDI
DAIDO
M6
DAIRN
P4
DB0
K1
DB1
K2
DB10
F2
DB11
AOUTAN
N12
AOUTAP
P11
P12
AOUTBN
R12
AOUTBP
L14
AUXINN
AUXINP
M15
L13
AUXOUTN
AUXOUTP
K13
D13
AUX_ADC3
CH_BDRV
E11
CH_ISEN
F12
AB1
AB2
L5
N1
AB3
AB4
N2
AB5
M2
M1
AB6
AB7
K7
AB8
K5
ADC_AUX1
E10
ADC_AUX2
D15
AFC D9
VCCA
U300
AB0
K6
P1
VRTC
VRTC
C312
TP301
VCC_1.8A
VCCA
R310
R311
VBAT
C315
C310
R307
3
2
VCCD
Q300
1
C308
VCCD
C306
C303
VCCB
C316
CHG_ON
ICHRG
AOUTBP
AOUTBN
CHG_DET
VRF
KEY_ROW(0)
PWR_KEEP
XOENA
PCS_RX_EN
FLASH_RESET
DSP_IO
DSP_RWN
AUXOUTP
AUXOUTN
AUXINP
AUXINN
TA_VEXT
RST
KEY_BL1
AOUTAN
AOUTAP
RF_EN
INTRQ
KEY_COL(2)
SIMDATA
SIMCLK
UP_SDO
VREF
MICINN
MICOUTN
RTCALARM
RTX_IP
RTX_QN
RTX_QP
RTX_IN
DSP_AB(0)
UP_SDI
UP_SCLK
MICOUTP
MICINP
UP_CS
AFC
TXPOWER
CLK13M_MC
CLK32K
DSP_INT
PWR_ON
JIG_ON
SIMRST
DSP_DB(15)
DSP_DB(14)
DSP_DB(13)
DSP_DB(12)
DSP_DB(11)
DSP_DB(10)
DSP_DB(1)
DSP_DB(0)
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_DB(0:15)
DSP_AB(0:8)
DCS_TX_EN
GSM_TX_EN
SERLE
SERDAT
SERCLK
TX_EN
TX_BAND_SEL
DSP_DB(9)
DSP_DB(8)
DSP_DB(7)
DSP_DB(6)
DSP_DB(5)
DSP_DB(4)
DSP_DB(3)
DSP_DB(2)