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SAMSUNG Proprietary-Contents may change without notice
Flow Chart of Troubleshooting
9-5
This Document can not be used without Samsung's authorization
C321
AVDD
VDD_USB
HDPA9
Y4
GPIOA5
Y5
TP321
AUXDAC3
Y1
GPIOA10
Y2
Y22
BB3G_DEBUG18
BB3G_DEBUG17
Y23
HMP18
Y24
Y
25
D
U
HMP10
Y26
GPIOA3
Y3
BB3G_TRST
W24
HMP28
W25
HMP14
W26
V
D
D
V
B
W
3
BB3G_TXIN
W4
BB3G_TXQN
W5
HDPA8
W8
B
B
3G
_V
D
_D
A
_A
N
A
6
W
9
V
D
D
E
5
W
15
V
D
D
E
1
P
R
W
16
W
17
V
D
D
C
B
B
3G
_V
D
D
C
W
18
G
N
D
E
W
19
A
G
N
D
W
2
HMP19
W22
HMP23 W23
G
N
D
E
V
8
B
B
3G
_G
N
_D
A
_A
N
A
6
V
9
AUXDAC2
W1
B
B
3G
_V
D
_D
A
_C
LK
12
W
10
G
N
D
E
W
11
B
B
3G
_V
D
D
C
W
12
V
D
D
C
W
13
V
D
D
E
5
W
14
HMP17
V22
HMP31
V23
V24
HMP24
HMP26
V25
HMP12
V26
V
S
S
R
E
F
V
3
BB3G_TXIP
V4
BB3G_TXQP
V5
G
N
D
E
V
13
V
D
D
E
1
V
14
G
N
D
E
V
15
V
D
D
E
1
V
16
G
N
D
E
V
17
V
D
D
E
1
V
18
G
N
D
E
V
19
VREF
V2
BB3G_ADC0
U4
BB3G_ADC1
U5
B
B
3G
_V
D
_D
A
_A
N
A
1
U
8
B
B
3G
_G
N
_D
A
_A
N
A
1
U
9
AUXDAC1
V1
B
B
3G
_G
N
_D
A
_C
LK
12
V
10
B
B
3G
_G
N
_D
A
_C
LK
3
V
11
V
D
D
E
1
V
12
G
N
D
E
U
19
U
2
V
D
D
R
E
F
HMP21
U22
U23
HMP38
HMP25
U24
HMP39
U25
HMP22
U26
BB3G_SYSCLK
U3
HMP35
T26
T3
MCLK
T4
BB3G_DAC0
T5
GPIOA1
B
B
3G
_V
D
D
C
T
8
B
B
3G
_G
N
_D
A
_A
N
A
3
T
9
IP
U1
G
N
D
E
U
18
IN
T1
T
18
V
D
D
E
1
V
D
D
C
T
19
T
2
V
S
S
A
BB3G_DATA2
T22
TO_BB3G_DATA2
T23
HMP27
T24
GPIOA7
T25
HMP30
R24
R25
HMP29
R26
HMP37
R
3
V
S
S
C
LK
BB3G_RXIN
R4
BB3G_RXQN
R5
B
B
3G
_V
D
_D
E
_A
N
A
R
8
B
B
3G
_G
N
_D
E
_A
N
A
R
9
G
N
D
C
R
13
R
14
G
N
D
C
G
N
D
C
R
15
R
18
G
N
D
E
B
B
3G
_V
D
D
C
R
19
V
D
D
C
LK
R
2
BB3G_DATA0
R22
TO_BB3G_DATA0
R23
BB3G_DATA6
P26
P
3
V
S
S
B
B
P4
BB3G_RXIP
P5
BB3G_RXQP
B
B
3G
_V
D
_D
A
_A
N
A
4
P
8
B
B
3G
_G
N
_D
A
_A
N
A
4
P
9
QP
R1
G
N
D
C
R
12
G
N
D
C
P
15
P
18
V
D
D
E
1
G
N
D
E
P
19
P
2
V
D
D
B
B
BB3G_DATA4
P22
TO_BB3G_DATA4
P23
HMP33
P24
HMP34
P25
SDA1
N4
N5
SCL1
N
8
B
B
3G
_V
D
_D
A
_A
N
A
2
N
9
B
B
3G
_G
N
_D
A
_A
N
A
2
QN
P1
G
N
D
C
P
12
G
N
D
C
P
13
G
N
D
C
P
14
BB3G_TMS
N19
N
2
V
D
D
A
3
BB3G_DATA10
N22
N23
TO_BB3G_DATA10
BB3G_DATA8
N24
TO_BB3G_DATA8
N25
TO_BB3G_DATA6
N26
GPIOA31
N3
B
B
3G
_V
D
_D
A
_A
N
A
5
M
8
B
B
3G
_G
N
_D
A
_A
N
A
5
M
9
N
1
V
D
D
C
G
U
G
N
D
C
N
12
G
N
D
C
N
13
G
N
D
C
N
14
G
N
D
C
N
15
G
N
D
E
N
18
BB3G_DATA5
M22
TO_BB3G_DATA5
M23
BB3G_ADDR3
M24
TO_BB3G_ADDR3
M25
HMP32
M26
GPIOA2
M3
USB_VBUS5V
M4
MSDATA1
M5
MSDATA3
M1
G
N
D
C
M
12
M
13
G
N
D
C
G
N
D
C
M
14
G
N
D
C
M
15
V
D
D
E
1
M
18
V
D
D
E
1
P
R
M
19
GPIOA28
M2
BB3G_DATA1
L24
GPIOB3
L25
L26
TO_BB3G_CS
TXD1
L3
USBDM
L4
USBDP
L5
V
D
D
E
2
L8
V
D
D
E
2
L9
BB3G_TR_ACEPKT6
K8
G
N
D
E
K
9
V
D
D
A
2
L1
G
N
D
E
L1
8
B
B
3G
_V
D
D
C
L1
9
GPIOA29
L2
BB3G_DATA7
L22
BB3G_DATA14
L23
TO_BB3G_DATA7
K22
TO_BB3G_DATA14
K23
TO_BB3G_DATA1
K24
BB3G_DATA3
K25
K
26
D
N
U
GPIOA26
K3
BB3G_INT1
K4
D
N
U
K
5
BB3G_ETMTI
J4
BB3G_RXD
J5
V
D
D
C
J8
V
D
D
E
1
J9
B
B
3G
_G
P
O
2_
3V
K
1
V
D
D
E
1
K
18
V
D
D
C
K
19
GPIOA30
K2
TCK
J19
GPIOA19
J2
BB3G_DATA9
J22
TO_BB3G_DATA9
J23
HMP36
J24
TO_BB3G_DATA3
J25
D
N
U
J2
6
GPIOA24
J3
V
D
D
E
1
J1
1
G
N
D
E
J1
2
V
D
D
E
1
J1
3
G
N
D
E
J1
4
V
D
D
E
1
J1
5
G
N
D
E
J1
6
V
D
D
E
1
J1
7
G
N
D
E
J1
8
TO_BB3G_ADDR5
H26
GPIOA18
H3
G
N
D
A
2
H
4
USBRREF
H5
V
D
D
E
2
H
8
V
D
D
E
2
H
9
GPIOA27
J1
G
N
D
E
J1
0
H
16
BB3G_RTCK
H17
B
B
3G
_V
D
D
C
H
18
V
D
D
C
H
19
BB3G_TXD
H2
BB3G_DATA12
H22
TO_BB3G_DATA12
H23
BB3G_DATA11
H24
TO_BB3G_DATA11
H25
G5
GPIOA25
H1
V
D
D
C
H
10
G
N
D
E
H
11
B
B
3G
_V
D
D
C
H
12
G
N
D
E
H
13
V
D
D
C
H
14
G
N
D
E
H
15
B
B
3G
_V
D
D
C
G2
BB3G_ADDR11
G22
TO_BB3G_ADDR11
G23
BB3G_DATA13
G24
TO_BB3G_DATA13
G25
BB3G_ADDR5
G26
GPIOA21
G3
SCL2
G4
BB3G_INT0
F23
BB3G_ADDR1
F24
TO_BB3G_ADDR1
F25
BB3G_DATA15
F26
V
D
D
E
3
F
3
SDA2
F4
GPIOA15
F5
GPIOA20
G1
GPIOA23
RFSIG7
E
6
B
B
3G
_G
P
O
0_
3V
CAMDATA_4
E7
BB3G_TR_ACEPKT9
E8
BB3G_TR_ACECLK
E9
GPIOA22
F1
MSDATA2
F2
TO_BB3G_ADDR13
F22
BB3G_ADDR13
TO_BB3G_ADDR7
BB3G_ADDR7
E22
BB3G_ADDR9
E23
BB3G_ADDR6
E24
TO_BB3G_ADDR6
E25
TO_BB3G_DATA15
E26
D
N
U
E
3
SIMPWR
E4
E5
GPIOE25
E15
E16
BB3G_CS
TO_BB3G_WR
E17
BB3G_WR
E18
BB3G_ADDR10
E19
B
B
3G
_G
P
O
1_
3V
E
2
TO_BB3G_ADDR10
E20
E21
D7
BB3G_TR_ACEPKT7
D8
BB3G_TR_ACEPKT4
D9
GPIOA17
E1
BB3G_TR_ACEPKT5
E10
B
B
3G
_V
D
D
E
3
E
11
BB3G_PIPESTAT2
E12
BB3G_PIPESTAT1
E13
BB3G_TDO
E14
TO_BB3G_ADDR9
BB3G_ADDR8
D24
TO_BB3G_ADDR8
D25
BB3G_ADDR2
D26
BB3G_TR_ACESYNC
D3
CAMDATA_6
D4
BB3G_TR_ACEPKT14
D5
D6
BB3G_TR_ACEPKT13
BB3G_TR_ACEPKT11
D16
D17
BB3G_DEBUG1
BB3G_DEBUG6
D18
TO_BB3G_RD
D19
GPIOA14
D2
BB3G_RD
D20
TO_BB3G_ADDR12
D21
BB3G_ADDR12
D22
D23
GPIOA16
D1
BB3G_TR_ACEPKT3
D10
G
N
D
A
3
D
11
BB3G_AD_DR_MSB
D12
TMS
D13
TDI
D14
GPIOB13
D15
TDO
C25
TO_BB3G_ADDR2
C26
GPIOA13
C3
D
N
U
C
4
CAMDATA_0
C5
BB3G_TR_ACEPKT12
C6
BB3G_DEBUG0
C7
CAMDATA_3
C8
BB3G_TR_ACEPKT10
C9
BB3G_CSOUT
BB3G_DSR
C19
GPIOA12
C2
GPIOE23
C20
BB3G_ADDR14
C21
TO_BB3G_ADDR14
C22
BB3G_ADDR16
C23
TO_BB3G_ADDR16
C24
BB3G_ADDR4
C10
BB3G_TR_ACEPKT8
C11
BB3G_DEBUG3
C12
GPIOA0
C13
TRST
C14
GPIOB14
C15
BB3G_PIPESTAT0
C16
BB3G_TDI
C17
C18
CAMDATA_2
B4
CAMDATA_5
B5
CAMVS
B6
BBCKISEL
B7
ADC5
B8
ADC2
B9
GPIOB10
C1
GPON0
B2
GPIOA4
B20
GPIOE21
B21
BB3G_ADDR15
B22
TO_BB3G_ADDR15
B23
D
N
U
B
24
TO_BB3G_ADDR4
B25
D
N
U
B
26
GPIOB11
B3
BB3G_TR_ACEPKT2
B13
BB3G_TR_ACEPKT1
B14
RESET
B15
BB3G_DEBUG5
B16
BB3G_WAKEUP
B17
BB3G_DEBUG7
B18
D
N
U
B
19
CAMCLKI
EAR2
AF6
EAR1
AF7
HFR2
AF8
HFR1
AF9
GPIOB9
B1
ADC1
B10
CLK32I
B11
BB3G_DEBUG2
B12
SMP2
AF22
HMP0
AF23
HMP2
AF24
HMP3
AF25
N
C
A
F
26
KCOL3
AF3
ANR
AF4
ANL
AF5
SMP16
AF15
D
N
U
A
F
16
D
N
U
A
F
17
D
N
U
A
F
18
BB3G_GPO12
AF19
REF26MI
AF2
SMP8
AF20
SMP4
AF21
KROW0
AE8
AE9
BB3G_SLOWCLK
N
C
A
F
1
V
S
S
V
B
O
A
F
10
V
D
D
V
B
O
A
F
11
BB3G_UM_TSCLKO
AF12
SMP27
AF13
SMP19
AF14
BB3G_DEBUG13
AE24
BB3G_DEBUG9
AE25
HMP1
AE26
KCOL2
AE3
KCOL0
AE4
MICP
AE5
MICN
AE6
V
S
S
V
B
A
E
7
D
N
U
A
E
17
D
N
U
A
E
18
D
N
U
A
E
19
RFCMCLK
AE2
SMP6
AE20
SMP5
AE21
SMP0
AE22
BB3G_DEBUG14
AE23
SIMCLK
AE1
KROW1
AE10
HDPA6 AE11
HDPA7
AE12
AE13
SMP24
SMP21
AE14
SMP18
AE15
SMP17
AE16
HMP9
AD26
KCOL1
AD3
MICBIAS
AD4
AUXMICP
AD5
AD6
AUXMICN
GPIOE11
AD7
KROW4
AD8
KROW2
AD9
SMP7
AD19
HDPA12
AD2
SMP3
AD20
BB3G_DEBUG8
AD21
BB3G_DEBUG10
AD22
BB3G_DEBUG12
AD23
HMP5
AD24
MCLKSEL
AD25
SMP26
AD11
HDPA0
AD12
HDPA1
AD13
SMP25
AD14
BB3G_GPO7
AD15
BB3G_GPO10
AD16
SMP20
AD17
BB3G_GPO9
AD18
RSTEXT
AC4
RXTXEN
AC5
N
C
A
C
6
RXTXDAT_A
AC7
KROW3
AC8
BB3G_TCK
AC9
HDPA10
AD1
BB3G_GSMFS
AD10
SMP1
AC20
BB3G_GPO4
AC21
BB3G_GPO0
AC22
BB3G_DEBUG11
AC23
HMP6 AC24
HMP8
AC25
HMP4
AC26
SIMIO
AC3
BB3G_GPO14
AC13
SMP23 AC14
SMP22
AC15
BB3G_GPO15
AC16
BB3G_GPO8
AC17
HMP16
AC18
BB3G_GPO1
AC19
V
D
D
E
4
A
C
2
HDPA2
AB6
BB3G_SY_SCLKEN
AB7
BB3G_PLOCK
AB8
KCOL4
AB9
RFSIG6
AC1
BB3G_SPICLK
AC10
HDPA5
AC11
HDPA4
AC12
AB21
BB3G_GPO5
AB22
HMP15
AB23
DD
AB24
FSC
AB25
BB3G_DEBUG16
AB26
RFCM_DATA
AB3
RFSIG2
AB4
HDPA11
AB5
BB3G_GPO13
AB15
BB3G_GPO11
AB16
BB3G_GPO2
AB17
BB3G_DEBUG15
AB18
BB3G_GPO6
AB19
RFCMEN0
AB2
D
N
U
A
B
20
BB3G_GPO3
GPIOA11
AA4
SIMRST AA5
GPIOE8
AB1
BB3G_SPIEN
AB10
BB3G_SPIDATA
AB11
HDPA3
AB12
BB3G_RESET
AB13
BB3G_JSEL
AB14
GPIOE9
AA1
D
N
U
A
A
2
HMP11
AA22
HMP13
AA23
HMP20
AA24
DCL
AA25
HMP7
AA26
GPIOE10 AA3
N
C
A
26
BB3G_TR_ACEPKT15
A3
CAMDATA_7
A4
CAMDATA_1
A5
CAMCLKO
A6
CAMHS
A7
ADC3
A8
ADC4
A9
D
N
U
A
19
GPIOB8
A2
D
N
U
A
20
GPIOE24
A21
GPIOE22
A22
GPIOE20
A23
D
N
U
A
24
GPIOA9
A25
A10
RTCK
A11
A12
JSEL0
BB3G_DBGACK
A13
BB3G_TR_ACEPKT0
A14
BB3G_DEBUG4
A15
RSTBB
A16
GPIOB15
A17
GPIOA8
A18
UCP300
N
C
1
N
C
2
N
C
A
1
JSEL1
R
31
6
TP320
C343
C349
VCC_RX_TX
VCC_ADC_2V6
VCC
VOUT
1
U300
GND
3
NC
2
4
ADV3V
R320
C338
C320
VDD_IO_LOW
VDDE1
C301
C344
DAC300
VDD_MEM_3G_CORE
BB3G_VDDC
VDD_PLL
TP334
VDDE2
TP324
C318
R326
R310
VDDE2
C345
VCC_ADC_2V6
R317
TP307
VDD_USB
C300
TP331
MICBIAS
VDD_CAM_IO_2V9
TP332
VDD_GSM_CORE
VDD_IO_LOW
VDD_IO_HIGH
C319
R319
VDD_IO_LOW
VDD_PLL
TP327
R
32
4
TP326
AVDD
R
31
8
TP325
VDD_IO_LOW
R
31
3
P
O
N
_R
E
S
E
T
_N
TP316
VCC_SIM
R305
C346
R309
C348
TP300
TP336
AVDD
TP333
TP335
R
31
4
D303
TP329
TP322
D302
TP328
TP317
AVDD_HFA
TP301
TP330
R
31
5
R322
R302
TP319
JR
S
T
n
HMP_SDCLKO
BB3G_WAKE_UP
RSTON
RTCK
RSTEXTn
LCD_RESET
LCD_RD
B
B
3G
_G
P
O
_3
V
(0
)
USB_SUSPEND
CAM_KEY
RST_FM
BUSSEL2_FM
TXD2
HMP_SDDQ(7)
IOM_DCL
HMP_SDA(4)
HMP_SDDQ(13)
HMP_SDDQ(11)
BB3G_MC_INT1
EAR_ADC
HSYNC
MCLK
VCAM_SLEEP
Y(5)
WIFI_VDD_EN
LCD_DIM
FCI_CMD
SMP_NFI_CEn
SMP_NFI_ALE
SMP_NFI_D(4)
SMP_NFI_D(5)
RF_CLK_3G
GSMFS
KCOL(4)
SMP_NFI_D(2)
PON_PA
RF_DATA
IOM_FSC
IOM_DD
HMP_SDDQ(15)
RF_EN
CTRL_VREF_3G_B1
SMP_NFI_D(3)
RF_DATA_3G
RF_EN_3G
BB3G_MC_INT0
SIMRSTn
HMP_SDDQ(5)
LD(3)
LD(7)
SMP_NFI_RDY
SMP_NFI_D(1)
SMP_NFI_D(0)
SMP_NFI_REn
GSMFS
KROW(3)
BAND_SEL
MODE_SELECT
SIMIO
HMP_SDDQ(4)
HMP_SDDQ(8)
HMP_SDDQ(6)
BB3G_REF_ON
LD(1)
HMP_SDA(0)
LD(6)
RF_CLK
L_CS1
FLM
SMP_NFI_WEn
SMP_NFI_D(7)
SMP_NFI_D(6)
KROW(1)
SIMCLK
KROW(2)
KROW(4)
IT_PMU
AUXMICP
AUXMICN
KCOL(1)
HMP_SDDQ(9)
HMP_SDDQ(2)
HMP_SDDQ(0)
LD(2)
LD(4)
L_RS
L_WR
SMP_NFI_CLE
32KHZ_DIGIT
KROW(0)
MICN
MICP
KCOL(0)
KCOL(2)
HMP_SDDQ(1)
LD(0)
LD(5)
FMP_AD(15)
FMP_AD(15)
BT_INT
PCLK
BB3G_WAKE_UP
RSTEXTn
32KHZ_DIGIT
MES_BATT
FCI_CLK
HFR_P
HFR_N
EAR1
EAR2
KCOL(3)
HMP_SDDQ(3)
Y(1)
MCAM_SLEEP
WIFI_CS
FMP_AD(2)
FMP_AD(4)
FMP_AD(16)
FMP_AD(16)
FMP_AD(14)
FMP_AD(14)
TRSTn
BB2G_REF_ON
FCI_DATA0
VF
VSYNC
Y(3)
Y(0)
Y(7)
FMP_AD(4)
FMP_WE_En
FMP_CS2n
JACKIN
Y(4)
FMP_AD(2)
FMP_AD(8)
FMP_AD(8)
FMP_AD(9)
FMP_AD(12)
FMP_AD(12)
FMP_OEn_RWn
FCI_CD
FMP_OEn_RWn
TDO
TDI
TMS
ESD_DETECT
HALL_SW
SDA2
FMP_DATA(15)
FMP_AD(1)
FMP_AD(1)
FMP_AD(13)
FMP_AD(13)
FCI_DATA2
FESW2
Y(2)
PON_4220
Y(6)
FMP_DATA(15)
FMP_AD(6)
FMP_AD(6)
FMP_AD(9)
FMP_AD(7)
FMP_AD(7)
FMP_AD(10)
FMP_AD(10)
FMP_WE_En
WIFI_CLK
RXD1
FMP_AD(5)
FMP_DATA(11)
FMP_DATA(11)
FMP_DATA(12)
FMP_DATA(12)
WIFI_INT
BB3G_MC_INT0
SCL2
FESW1
FMP_AD(5)
FMP_DATA(13)
FMP_DATA(13)
FMP_AD(11)
FMP_AD(11)
FESW3
WIFI_RST
FMP_DATA(1)
FMP_DATA(14)
FMP_DATA(7)
RCV_SEL
BB3G_MC_INT1
CAM_RST
FMP_DATA(3)
FMP_DATA(1)
FMP_DATA(14)
FMP_DATA(7)
CAM_PD
FMP_DATA(3)
HMP_SDCASn
FMP_DATA(9)
FMP_DATA(9)
EARSW
TCK
FMP_DATA(8)
FMP_DATA(10)
FMP_DATA(10)
FCI_DATA1
VBUS_5V
CTS2
HMP_SDBA0
FMP_AD(3)
FMP_AD(3)
FMP_DATA(5)
FMP_DATA(5)
WIFI_MOSI
FCI_DATA3
USBDP
USBDM
TXD1
FMP_CS2n
FMP_DATA(2)
IRX_TX_N
QRX_N
IRX_N
HMP_SDRASn
FMP_DATA(0)
FMP_DATA(0)
QRX_TX_P
QRX_P
IRX_P
FMP_DATA(6)
HMP_SDLDQM
HMP_SDBA1
FMP_DATA(4)
FMP_DATA(4)
QRX_TX_N
SCL1
SDA1
WIFI_MISO
FMP_DATA(6)
FMP_DATA(8)
HMP_SDDQ(12)
HMP_SDA(10)
HMP_SDA(8)
HMP_SDCKE
HMP_SDA(1)
HMP_SDA(6)
HMP_SDWEn
HMP_SDA(9)
HMP_SDCSn
HMP_SDA(5)
IRX_TX_P
RXD2
DAC0
BB2G_REF_CLK
HMP_SDUDQM
RST_BT
HMP_SDA(11)
FMP_DATA(2)
SIM_OFF
HMP_SDDQ(10)
IOM_DU
HMP_SDA(2)
RTS2
RAMP
QTX_N
ITX_N
HMP_SDDQ(14)
HMP_SDA(12)
HMP_SDA(7)
HMP_SDA(3)
AFC
QTX_P
ITX_P
BB2G_REF_CLK
FMP_AD(1:16)
LD(0:7)
Y(0:5)
FMP_DATA(0:15)
SMP_NFI_D(0:7)
HMP_SDA(0:12)
HMP_SDDQ(0:15)
FMP_DATA(0:15)
FMP_AD(1:16)
KROW(0:4)
KCOL(0:4)
FM_AUDIO_L
FM_AUDIO_R
Summary of Contents for SGH-P270
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