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Flow Chart of Troubleshooting
R403
+VDD_IO_HIGH_2.9V
C401
R405
+AVDD_2.6V
C404
R411
VDD_2.8V_CAM
C405
R414
VDD_2.9V_SD
C409
C413
OSC400
R418
C416
FC-135 (0.032768MHz)
TP400
IT_PMU
R421
SIMOFFn
TP402
RSTON
TP403
REF_ON
32KHz_DIGIT
Typical 3.7V
VBAT
TA400
+VDD_PLL_1.2V
R416
C412
1
OSCI
2
OSCO
3
IRQ
4
SIMCKHC
5
SIMRSHC
6
SIMIOHC/SIMOFF
U402
7
RSTHC
VBATSENSE
8
GPO3
9
GPO2
10
GPO1
11
PWREN1
R426
12
PWREN2
13
VSS
57
VSS
VBAT
POWER MANAGEMENT IC
L400
10uH
C425
SAMSUNG Proprietary-Contents may change without notice
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R402
C400
R404
C402
C403
R412
C406
R415
C410
0
ML-414RM/F9ME
1
POS
BAT400
2
NEG
39
VSS
38
VCHG
37
USBVIN
R420
36
CHGCUR
35
REC2
34
REC1
33
C418
32
VISA
31
R425
REFGND
C421
30
REFC
R422
29
MICBIAS
28
ONKEY
C424
27
NTC
+VDD_IO_LOW_1.8V
R423
C426
9-2
+VDD_IO_LOW_1.8V
+AVDD_HFA_2.6V
SIM_VCC_3.0V
+VDD_RX_TX_2.8V
+VCC_SYN_2.8V
C411
C414
VBAT
JACK_IN
AUX_ON
C417
MIC_BIAS_2.15V
ONKEYN
SCL
SDA
L402
+VDD_GSM_CORE_1.2V
V_EXT_CHARGE
+VBUS
C415
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