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Flow Chart of Troubleshooting
9-8
C306
C311
L301
C310
VCCD_1.9V
R305
TA301
63
3
C
73
3
C
C315
C305
VCCD_1.9V
OSC300
C333
C330
C322
C328
C325
VBAT
R314
VSYN_2.8V
VBAT
C318
53
3
C
C324
C307
C312
C308
C314
VRF_1.5V
C323
VCCA_2.8V
NEG
2
POS
1
VRF_2.9V
C320
TH300
VRF_2.9V
VBT_1.8V
04
3
C
C343
C332
C309
VCCD_1.2V_A
R12
LO_MONO_OUT_N
R13
HI_MONO_OUT_N
R14
HI_MONO_OUT_P
R2
RXTXEN
R3
RTC_CLK
R4
RESETN
R6
SYSCLKEN
P12
USB_CARKIT_D_P
P13
USB_CARKIT_D_N
5
1
P
R
K
P
S
D
D
V
P3
SCUSTB
4
P
OI
_
D
D
V
P5
RESET_O
P6
PWR_KEEP
R10
SDI_PSC
N4
SCAN
N5
UP_CLK
N6
SYSCLK
N7
AINT
N9
CNTL_EN_CSP
P1
CNTL_DAT_CSP
P10
SCLK_PSC
P11
LO_MONO_OUT_P
M9
SDO_PSC
1
N
D
D
V
01
N
D
D
D
V
11
N
D
D
N
G
21
N
D
D
V
41
N
R
K
P
S
D
N
G
N15
MONO_OUT_N
N2
RXTXDATA
M10
CSN_PSC
M13
STEREO_OUT_R
M14
STEREO_OUT_L
51
M
V
D
N
G
M2
AOCTL1
M3
AOCTL0
M6
UP_RST
7
M
D
D
V
AOCTL3
L2
L3
AOCTL2
L5
TXPSTB
L6
UP_IO
L7
VIB_RNG_EN
8
L
OI
_
D
D
V
L9
DINT
L
T
C
O
A
_
D
N
G
1
M
S
S
V
6
K
K7
SCANTST
8
K
S
S
V
9
K
S
S
V
L10
PSW1_BUF
11
L
V
D
D
V
L13
MONO_OUT_P
L14
VAVCM
VAREF
K12
K13
VAMICREF
K14
STEREO1_IN_R
K15
STEREO1_IN_L
2
K
B
D
D
V
K3
RXTXQN
K4
RXTXQP
5
K
L
T
C
O
A
_
D
D
V
RAREF1
J5
J6
RAREF3
7
J
S
D
N
G
8
J
S
D
N
G
9
J
S
D
N
G
1
K
B
D
N
G
K10
VAMICRTN
K11
VAVCMRTN
8
H
S
D
N
G
9
H
S
D
N
G
0
1J
S
D
N
G
J11
VAREFRTN
J12
STEREO2_IN_R|MONO3_IN_P
J13
MONO1_IN_P
J3
RXTXIP
J4
RXTXIN
7
G
S
D
N
G
S
D
N
G
8
G
9
G
S
D
N
G
01
H
S
D
N
G
H11
STEREO2_IN_L|MONO3_IN_N
H5
TXP
H6
RAREF2
7
H
S
D
N
G
0
1
G
S
D
N
G
G11
MONO2_IN_P
G12
MONO2_IN_N
G13
MONO1_IN_N
G3
X2RTC
G4
X1RTC
G5
AFC
6
G
S
D
N
G
F2
VREF
F3
VRFLDO_2
4
F
Q
D
N
G
F5
VRTC
6
F
S
D
N
G
7
F
S
D
N
G
8
F
S
D
N
G
9
F
S
D
N
G
E9
VIB_DRV
F1
CREF
01
F
S
D
N
G
11
F
S
D
N
G
F12
VLDO_AUX1
F13
VAVCMLSH
F14
MIC_B_D
51
F
C
S
P
_
D
N
G
E13
VBATAUD
E14
VLDO_AUD
E2
VBATRF
VRFLDO_1
E3
E5
PWR_SW2
E6
SIM_IO
7
E
R
U
C
H
_
D
N
G
E8
RING_DRV
51
D
C
B
1
D
D
V
D2
ADC_AUX9
D3
NC
VLDO_2
D6
D7
LED1_DRV
D9
LED3_DRV
0
1
E
S
D
N
G
E11
VBATAUX
C5
VSIM
C6
VBAT12
C7
LED2_DRV
C9
VACC
D1
ADC_AUX8
D10
HV_CHRG
D13
VLDO_COREC
D14
VLDO_AUX2
C1
ADC_AUX6
C10
USB_CHRG
11
C
C
S
P
_
D
N
G
C12
VLDO_COREB
41
C
A
1
D
D
V
C15
VLDO_COREA
ADC_AUX7
C2
C4
PWR_SW1N
B11
BATKELV
B12
FBSW
B13
LX
B15
VLDO_COREA_S
B3
ADC_AUX3
B4
ADC_AUX2
B5
SIM_RST
SIM_CLK
B6
31
A
W
S
_
D
N
G
A14
VBATSW
A2
ADC_AUX4
3
A
C
S
P
_
D
N
G
A4
ADC_AUX1
A6
VLDO_1
B1
ADC_AUX5
B10
VBAT
UCD300
1
NC
2
NC
01
A
R
U
C
H
_
D
N
G
A12
VEXT
R303
VCCD_2.9V
93
3
C
C321
C317
C327
VCCD_2.9V
C319
C316
14
3
C
C313
R304
VBAT
VCCA_2.8V
EAR_ADC
GND_SW
SIM_RST
CNTL_DAT_CSP
CNTL_EN_CSP
DCDC_OUT
AINT
DINT
SCUSTB
RTC_CLK
PSW1_BUF
GND_SW
RADIO_R
RADIO_L
DCDC_OUT
SIM1_CLK
SIM1_DATA
SIM1_RST
SIM_CLK
SIM_IO
PWR_KEEP
JIG_ON
PWR_ON
MONO1_IN_P
MONO2_IN_N
MONO2_IN_P
MONO_OUT_N
MONO_OUT_P
HI_MONO_OUT_N
HI_MONO_OUT_P
LO_MONO_OUT_N
LO_MONO_OUT_P
VLDO_COREA_S
MOTOR_EN
VIB_RNG_EN
ICHRG
CLK_EN_ABB
UP_CS
UP_SCLK
UP_SDI
UP_SDO
FLASH_RST
RST
RXTX_DATA
RXTX_EN
RTX_I_N
RTX_I_P
RTX_Q_N
RTX_Q_P
KEY_BL
VAMICREF
PAM_VRAMP
TXPSTB
CLK26M_ABB
GND_SW
VSIM_2.9V