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Flow Chart of Troubleshooting
VREG_S2_2.2V
A3
VREG_GP1
A2
VREG_GP2
B1
VREG_GP3
L9
VREG_MMC
G11
VREG_MSMA
K8
VREG_MSME
J11
VREG_MSMP
K4
VREG_MSMC
K5
L400
VSW_MSMC
A9
VREG_RFRX1
A10
VREG_RFRX2
A8
VREG_RFTX
B8
TP400
VREG_RFUBM
L10
VREG_RUIM
L8
VREG_S2
L6
VREG_S3
K7
VSW_S2
K6
VSW_S3
L402
A1
VREG_TCXO
U400
G2
VREG_USB
VBATT
B11
VREG_WLAN
D1
ISNS_M
D2
ISNS_P
L11
XTAL_IN
K11
XTAL_OUT
F8
R405
SBCK
G8
SBDT|SSBI
E8
R407
SBST
J10
VCOIN
E2
BAT_FET_N
TP402
C2
CHG_CTL_N
TP403
C1
VCHG
K1
HSET_BIAS
TP404
L4
KPD_PWR_N
PM_INT
C10
MSM_INT_N
G10
PON_RESET_N
F10
PS_HOLD
C437
K9
SLEEP_CLK
R411
TRK_LO_ADJ
VREG_RFRX2_2.7V
L401
C412
VREG_MSMP_2.6V
C413
C414
C415
OSC400
C428
PMIC_SBDT
OSC400
EXT_5V
D400
C436
PHONE_ON
PM_INT_N
25V
2
PON_RESET_N
PS_HOLD
3
1
SLEEP_CLK
BOOT_SW
R409
1
C440
C439
2
TCX100
R106
1 VC
VCC
2
NC 5
NC
3 GND
OUT
C124
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VLCD_2.9V
VREG_MMC_2.85V
VREG_RFTX_2.85V
VREG_RFRX1_2.1V
VREG_MSMP_2.6V
VREG_FEM_2.7V
VREG_LCD_2.6V
VREG_BT_2.6V
VREG_MSMA_2.6V
C417
C416
C422
C418
C426
C427
C419
C420
C421
R408
POS
BAT400
NEG
VREG_TCXO_2.8V
6
C127
R108
4
C125
RTR6280_TCXO
C132
C131
10-2
VREG_USIM_3.0V
VREG_S2_2.2V
VREG_TCXO_2.8V
VREG_MSMC_1.37V
VREG_S3_2.95V
VREG_MSME_1.8V
C423
C424
C429
C430
C432
C431
C434
C435
C433
C425
TCXO
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