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Flow Chart of Troubleshooting
10-2
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<PMIC>
C
32
4
C400
C401
C402
C403
C
40
4
C
40
5
C406
C407
C408
C409
C
41
0
C
41
1
C
4
1
2
C413
C414
C415
C416
C417
C
41
9
C
42
1
C
42
2
C
42
3
C424
C
4
25
C
42
6
C427
C428
C429
C430
C431
C
43
2
C
43
3
C
80
9
L4
00
L401
OSC400
R
40
3
R405
R408
R414
T
A
C
80
3
TP400
T
P
4
0
1
U40
0
VR401
Z
D
8
14
32.768KHZ
AVDD_2.6V
VBAT
C422
C427
R403
C401
C424
C420
R405
C411
C421
TP401
C410
C404
C433
C432
R408
C412
VCC_RX_TX_2.8V
OSC400
VCC_SIM_3.0V
VDD_MEM_3G_CORE_1.8V
C408
C429
VDD_IO_LOW_1.8V
C426
VBAT
C425
VCC_SYN_2.8V
VDD_IO_LOW_1.8V
C423
C430
C402
C417
VDD_MEM_CARD_2.9V
VDD_PLL_1.2V
C416
C431
AVDD_HFA_2.6V
BAT400
C419
C400
VINT
TP400
VBAT
VDD_GSM_CORE_1.2V
VHIGH
R414
C403
D7
GPO1
D8
B8
PWREN1
B9
SCUSB
D1
NC
D2
NC
D3
GPO1VIN
D4
REC1_N
D5
GPIO56GND
D6
NC
B40
OSCO
B41
NC
B42
VINT
B43
B44
CCSET
INT_N
B5
PWREN5
B6
PWREN3
B7
PWREN2
B33
GPO2VIN
B34
NC
B35
NC
B36
M
ICBIAS
V
D
D
B37
REFC
B38
VINT
B39
RSTMEM_N
B4
NC
B26
D3D4V
IN
B27
US
BV
IN
B28
D1D2V
IN
B29
DCD2F
B
B3
VC
C
B30
US
IM
V
IN
B31
RF
3RF
4V
IN
B32
RF
1RF
2V
IN
HCV
DD
B19
B2
LC
V
IN
NC
B20
D6V
D
D
B21
SCL
B22
NC
B23
NC
B24
NC
B25
IO
V
IN
B11
GPIO6
B12
B13
CLK32K
USIMACT
B14
USIMPRES
B15
SHUTDOWN
B16
NC
B17
NC
B18
A55
REC2_N
A56
DCD2L
X
A6
DCD1V
IN
A7
PWREN4
A8
DCD1L
X
A9
VBATSENSE
B1
GPIO1
B10
GPIO3
A48
VHIGH
A49
DCD2V
IN
A5
A50
NC
NC
A51
OSCI
A52
VBUS
A53
VCHG
A54
VCHG
A40
RF
2V
DD
A41
RF
1V
DD
A42
A43
GPO2
NC
A44
A45
NC
NC
A46
VSAVE
A47
REFGND
D4V
D
D
A34
D3V
D
D
A35
A36
US
BV
DD
D2V
D
D
A37
D1V
D
D
A38
RF
4V
DD
A39
NC
A4
RF
3V
DD
D5V
D
D
A27
SDA
A28
A29
NC
LC
V
D
D
A3
VINT
A30
NC
A31
A32
NC
IO
V
D
D
A33
A19
VBAT
A2
ONKEY_N
A20
A21
NC
GN
D
A22
HCV
IN
A23
NC
A24
NC
A25
D5D6V
IN
A26
A11
GPIO4
A12
NC
A13
GPIO5
A14
NC
A15
RSTHC_N
A16
NC
A17
NC
A18
GN
D
U400
GN
D
1
2
NC
NC
3
VBAT
A1
DCD1F
B
A10
GPIO2
C414
C405
C406
C407
VHIGH
C409
L401
TP403
C413
TP404
TP402
VCHG_5V
VINT
VCC_KEYLED_3.3V
L400
VCC_TX_2.8V
ADV_3.0V
C428
C415
VBUS_5V
VBUS_5V
VDD_IO_HIGH_2.9V
VDD_USB_3.3V
VBAT
VDD_VIB_3.3V
BT_CLK_REQ
IT_PMU
AUX_ON
32KHZ_DIGIT
BB3G_REF_ON
CTRL_VREF_3G_B1
ONKEYn
VREF_3G_B1
RSTON
USB_SUSPEND
SCL1
SDA1
SIM_OFF