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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
NEG
2
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
L402
C426
9-6
+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
+VDD_GSM_CORE_1.2V
V_EXT_CHARGE
+VBUS
C415
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