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Flow Chart of Troubleshooting
9-2
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* Close to Pin C1
C430
R408
V_MSMA_2.6V
V_TCXO_2.85V
V_MMC_3.0V
OSC400
FC-135 (0.032768MHz)
2
1
V_USIM_3V
C422
C414
C415
R412
V_MSMP_2.6V
V_RF_S3_2.7V
C444
C416
C463
VEXT_5V
R411
C473
V_BT_2.6V
C419
V_MSMC_1.3V
V_RF_S2_2.1V
V_MSMP_2.6V
C460
C461
L401
LPF2010T-4R7M
25V
C431
LPF2010T-4R7M
2
NEG
1
POS
L400
6.3V
BAT400
ML-414RM/F9ME
C443
C465
C464
V_RFRX_1_2.7V
C462
R430
R410
C417
C470
C425
C418
VBATT_4.2V
R432
PM_INT
TP_HSET_BIAS
L402
LPF2010T-4R7M
V_RF_S3_2.7V
C413
C428
R414
V_MSME_1.8V
DAN222TL
3
1
2
D400
V
D
D
_
M
S
M
C
L6
VREG_S3
V
D
D
_
S
2
3
L
7
L8
VREG_S2
L9
VREG_MMC
VREG_MSME
K9
SLEEP_CLK
VREG_RUIM
L10
L11
XTAL_IN
L4
KPD_PWR_N
L
5
V
D
D
_
R
U
IM
K11
XTAL_OUT
K4
VREG_MSMC
K5
VSW_MSMC
K6
VSW_S3
K7
VSW_S2
K8
J10
VCOIN
J11
VREG_MSMP
K1
HSET_BIAS
K
1
0
G
N
D
G8
SBDT|SSBI
SBCK
G
1
V
R
E
G
_
5
V
G10
PON_RESET_N
G11
VREG_MSMA
VREG_USB
G2
G
5
G
N
D
G
6
G
N
D
G
7
V
S
W
_
5
V
F10
PS_HOLD
F
7
G
N
D
F8
E2
BAT_FET_N
E8
SBST
F
1
D
N
C
D2
ISNS_P
B
9
V
D
D
_
R
F
C1
VCHG
C10
MSM_INT_N
C2
CHG_CTL_N
D1
ISNS_M
D
1
1
VREG_WLAN
B11
B8
VREG_RFUBM
VREG_GP1
A
4
V
D
D
_
S
P
K
R
A8
VREG_RFTX
A9
VREG_RFRX1
B1
VREG_GP3
PM6658
1
N
C
2
N
C
A1
VREG_TCXO
A10
VREG_RFRX2
A
1
1
V
D
D
_
W
L
A
N
A2
VREG_GP2
A3
U400
RESET_N
PM_INT_N
SSBI2_DATA
ON_SW
SLEEP_XTAL_IN
BOOT_SW
PS_HOLD
C429
TP_RF_TCXO
TP_TCXO_EN
H10
TCXO_OUT_1
F11
TCXO_OUT_RF
E11
TCXO_IN
E4
TCXO_EN_2
TCXO_EN_1
D8
TCXO_OUT_2
_
_
A6
SPKR_OUT_P
B10
R409
TCXO_EN
TCXO_OUT
TCXO