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Flow Chart of Troubleshooting
7-2
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12C
CONTROL
OSCILLATO
R
statu
s
ON-CHI
P
reference
CHARGE
INTERFACE
htmp
AVDD
calibration
(CHARGE
ON/OFF
PLL
REAL-TIME
VBAT
refgnd
PUMP
+
VIB
supply
SIM_VCC
MONITOR
DVDD
1
HIGH VOLTAGE
data
DVDD
3
CONTROL
PMU (IC)
CONTROL
BACKLIGHT
LINREG
)
INTERFACE
REFERENCE
INTERRUPT
32KHz XTA
L
SWITCH
SENSOR
Baseband power supply
SUPPLY
DVDD
2
bias current
s
ovdd
VOLTAGE
SIM_IO
RF power supply
Baseband power supply
DVDD
4
htmp
BATTERY
MIC BIAS
SUPPLY
LINREG
GENERATO
R
clocks
GENERATO
R
SIM_CLK
contro
l
SI
M
SIM_RST
&
RF power supply
INTERNAL
internal
MODULE
SIM
TEMP HIGH
voltage
CLOCK
CHARGE
PUM
P
HF
A
SUPPLY &
SI
M
internal
32K
CLOCK
100N
F
ZD402
uClamp0501H
C428
ZD401
uClamp0501H
VDD1
C420
1UF
100N
F
C414
ML414R-F9GE
BAT400
2
1
V_ISU
P
C421
1UF
VBAT
4.7U
F
C402
VCC_CP
VDD_3V05
R401
10K
L400
BLM11A102SPT
9PF
C407
C431
33PF
C424
1U
F
F6
VSS8
VSS9
G6
10NF
C405
F5
VSS2
D4
VSS20
VSS21
C4
F4
VSS3
G4
VSS4
J3
VSS5
G5
VSS6
VSS7
K5
F7
VSS12
VSS13
E6
E7
VSS14
VSS15
D7
C7
VSS16
VSS17
D6
E5
VSS18
VSS19
D5
K4
VBAT
C2
VCC
VIBVBA
T
B3
A3
VIBVD
D
H7
VPRO
G
E4
VSS1
G7
VSS10
VSS11
G8
SIMCLK
A2
SIMGND
SIMIO
B8
A1
SIMSCN
B1
SIMSC
P
B2
SIMVBAT
D1
0
SLPMOD
H5
TM
VBACK
J5
G9
RFVBAT
RST
C1
RSTO
D9
E3
SCL
F2
SD
A
E9
SEL12RB
H4
SEL3RB
C6
F10
RF1SNS
RF1SW
S
E8
G10
RF1VDD
F9
RF1VDD
S
H9
RF2SNS
E10
RF2SW
S
H10
RF2VDD
J10
RF2VDD
S
NC
ONKEY
H3
OSC32I
K8
OSC32O
K9
K1
REC1
J2
REC2
K2
REC3
H8
REFC
K6
REFGND
D8
HVSVDD
IN T
C10
D2
IO
H6
ISUPA
J4
ISUPD
J6
MICBIAS
1
NC
2
HFAVBA
T
HFAVBA
T
B5
HFAVD
D
A6
B6
HFAVD
D
B9
HVSGND
B10
HVSO
C
A10
HVSSCN
C9
HVSSCP
C8
HVSVBAT
G3
DVDD2VBAT
H1
DVDD3
DVDD3
J1
H2
DVDD3VBA
T
A4
DVDD4
F8
DVDD4ON
B4
DVDD4VBA
T
A5
CHRREG
D3
CHRVBAT
C3
CLK
A9
CLK32
D1
CPRES
F1
DVDD1
F3
DVDD1VBA
T
G2
DVDD2
DVDD2
G1
J8
AVDDVBA
T
AVDDVBA
T
J9
A8
BBMGN
D
C5
BBMSW
B7
BLVBAT
A7
BLVD
D
E1
CHRIV
E2
U400
PCF50601ET1-N5
AUXO
N
K3
AVD
D
J7
K7
AVD
D
K10
AVDDS
C419
10U
F
VBAT
4.7UF
VDD3
VCC_RF_VCO
C406
10K
C401
100N
F
470N
F
R400
VDD_KEY
C422
1UF
C425
C415
2.2U
F
VBAT
VCC_SYN
VDD2
VBA
T
MIC_BIAS
VDD1
C413
4.7U
F
C418
100NF
C408
10UF
VBA
T
VDD_3V05
4.7PF
C430
AVD
D
VBA
T
6.3V
10UF
C429
G
9
10
G
VDD_VIB
VDD_AM
P
VBAT
1
2
2
33
4
4
5
5
6
6
G
7
8
G
PC-D6-A3-H3.0-S
CN500
1
100N
F
C403
C410
470NF
VCC_RX_TX
1UF
C411
27PF
C432
C412
2.2UF
1U
F
C426
0
R403
V_ISUP
C423
10UF
6.3V
C417
100NF
C416
NC
AVDD_TEM
P
2
1
1UF
C427
VCC_TX_BURST
X1
FC-135 (0.032768MHz
)
C404
100N
F
10M
R402
C409
9PF
BACKLIGH
T
ONKEY_N
IT_PM
U
VI
B
32K
CHARGER_O
K
SIMCLK
V_MOD
E
SD
A
SCL
RSTO
N
PON_TX
PON_SYN
JIG_REC
JACK_IN
RECO
1
REF_O
N
SIMI
O