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Flow Chart of Troubleshooting
10-32
BLUETOOH / FM RADIO
3G RF
VREG_BT_2.6V
L201
C231
2
G G
3 5
G
IN
1
OUT
4
F200
L209
C211
7
0
2
L
TP714
L205
C210
TP201
ANT201
REG_FM
TP200
VCC2
S
AI
B
C
C
V
16
T
E
D
V
5
3
VMODE
VREG
4
L210
C
N
20
NC
RFIN
1
RFOUT 9
1
C
C
V
15
13
L2
C
C
V
VCC2
12
11
VCC2
10
2
NC
D
N
G
17
14
MI
6
C
N
7
C
N
C
N
8
19
C
N
18
U200
TP202
C221
C222
L203
C217
R202
C209
C213
C224
VREG_RFRX2_2.85V
DUF200
1
GND
GND
3
4
IN
2 OUT
VDDFM
K4
AUDIOR
K5
AUDIOL
K6
TM0
K7
VDDO18
K8
A_GPIO5
K9
TM3
J6
TM1
J7
VDDOC1
J8
UART_RXD
J9
VDDPLL
K1
UART_TXD
K10
XTALP
K2
XTALN
K3
RES
H2
GPIO1
H9
VDDLO
J1
VDDC
J10
VSS
J2
VDDXO
J3
VDDFM
J4
AUDIOGND
J5
VSS
G2
VSS
G4
VDDC
G5
GPIO5
G6
VDDC
G7
GPIO3
G9
VSS
H1
GPIO0
H10
VSS
F2
VSS
F4
VSS
F5
TM2
F6
UART_CTS_N
F7
VDDO18
F9
RFION
G1
VSS
G10
VDDRF
E2
VSS
E4
VSS
E5
GPIO4
E6
A_GPIO7
E7
A_GPIO4
E9
RFIOP
F1
GPIO2
F10
VSS
D2
FMPLLCAP
D4
VREG_CTL
D5
RST_N
D6
VSS
D7
VDDC
D9
VDDRF
E1
VDDOC1
E10
GPIO6
B8
A_GPIO0
B9
FMRF_INN
C1
A_GPIO1
C10
VSS
C2
UART_RTS_N
C9
FMRF_INP
D1
GPIO7
D10
VDDFM
B1
A_GPIO2
B10
VSS
B2
VDDFM
B3
LPOIN
B4
VREG_BT
B5
VDDR3V
B6
A_GPIO6
B7
FMVCO_LN
A2
FMVCO_LP
A3
VDDFM
A4
VREGFM_DAC
A5
VDDR5V
A6
VDDC
A7
VDDO18
A8
VDDOC1
A9
U201
NC
1
NC
2
FM_CVAR
A1
A_GPIO3
A10
B1
5
B2
C1 6
3 C2
E1
1
4
E2
Q200
2
L208
C202
TP716
C233
TP715
C208
C203
R204
R201
ANT200
C207
R203
C230
C234
C215
C219
C220
C201
VREG_MSMP_2.6V
L200
L206
L204
C218
REG_FM
C226
REG_BT
C204
C205
R200
L202
C212
C232
C200
C223
C228
TP717
VBATT
C206
REG_BT
C227
3 TX
F201
3
50OHM
4
COUP
IN
1
OUT
2
F202
ANT
1
4
GND
2
RX
2
4
3
1
C229
OSC200
C225
C214
BT_26M_P
VREG_MSMP_2.6V
AFL
AFR
I2C_SWS
I2C_CLK
I2C_DATA
BT_SLEEP
FM_ANT
BT_26M_N
BT_26M_P
BT_26M_N
REG_BT
PCM_CLK
PCM_SYNC
UART1_CTS
BT_RESET
UART1_RFR
UART1_TX
UART1_RX
BT_WAKE
HOST_WAKE
SLEEP_CLK
UMTS_TX
PWR_DET
PCM_DOUT
PCM_DIN
PA_ON
PA_RANGE0
UMTS_RX
UMTS_ANT
Summary of Contents for SGH-F400
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