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Flow Chart of Troubleshooting
9-2
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R414
C422
C427
L400
VREG_MSME_1.8V
D401
L402
C419
C417
C414
R415
VREG_USIM_3.0V
C423
3
04
R
TFLASH_2.8V
PM_INT
VREG_TCXO_2.85V
VREG_MSMC_1.2V
90
4
R
L401
C425
C431
D400
R407
V_RF_S2_2.1V
R410
KPD_PWR_N
L4
VREG_S3
L6
32
S_
D
D
V
VREG_S2
L8
VREG_MMC
L9
K5
VSW_S3
K6
VSW_S2
K7
VREG_MSME
K8
K9
VREG_RUIM
L10
XTAL_IN
L11
J11
HSET_BIAS
K1
XTAL_OUT
K11
VREG_MSMC
K4
VSW_MSMC
VCOIN
J10
VREG_MSMP
SBDT|SSBI
G8
SBCK
F8
V
5_
G
E
R
V
1
G
PON_RESET_N
G10
VREG_MSMA
G11
VREG_USB
G2
SBST
E8
V
5_
W
S
V
1
F
PS_HOLD
F10
BAT_FET_N
E2
C2
ISNS_M
D1
ISNS_P
D2
VREG_RFUBM
B8
VCHG
C1
MSM_INT_N
C10
CHG_CTL_N
A8
VREG_RFRX1
A9
VREG_GP3
B1
VREG_WLAN
B11
A10
N
A
L
W
_
D
D
V
1
1
A
VREG_GP2
A2
VREG_GP1
A3
R
K
P
S
_
D
D
V
4
A
VREG_RFTX
VREG_TCXO
A1
VREG_RFRX2
C416
R418
50
4
R
2
04
R
60
4
R
VREG_MSMP_2.6V
C420
C426
R417
OSC400
2
1
VBATT
C418
C421
C415
VREG_MSMA_2.6V
C424
V_RF_S3_2.7V
PS_HOLD
SBST
TRST_N
PS_HOLD
SSBI2_DATA
RESET_N
PHONE_ON
PM_INT_N
SLEEP_XTAL_IN
VREG_TCXO_2.85V
C130
C131
R110
C127
C126
C128
C129
OSC100
GND
2
OUT
3
VC
1
4
VCC
C132
R111
TRK_LO_ADJ
TCXO
RTR6285_TCXO
6
2
1
C
C127
8
2
1
C
9
2
1
C
0
3
1
C
C131
C132
0
0
1
C
S
O
0
1
1
R
R111
C400
1
0
4
C
2
0
4
C
3
0
4
C
4
0
4
C
C405
6
0
4
C
9
0
4
C
0
1
4
C
1
1
4
C
2
1
4
C
3
1
4
C
4
1
4
C
5
1
4
C
C416
C417
8
1
4
C
9
1
4
C
C420
1
2
4
C
C422
C423
C424
C425
6
2
4
C
7
2
4
C
C428
9
2
4
C
0
3
4
C
1
3
4
C
C433
4
3
4
C
C435
C749
D400
D401
0
0
4
L
L401
L402
0
0
4
C
S
O
PM
_IN
T
0
0
4
R
1
0
4
R
R403
5
0
4
R
6
0
4
R
7
0
4
R
8
0
4
R
9
0
4
R
0
1
4
R
1
1
4
R
R412
3
1
4
R
4
1
4
R
R415
R416
7
1
4
R
R418
9
1
4
R
3
2
4
R
4
2
4
R
5
2
4
R
1
3
4
R
R610
6
0
1
C
S
TP
_R
F_
TC
XO
1
0
4
U