![background image](http://html.mh-extra.com/html/samsung/gt-b5310/gt-b5310_service-manual_340726084.webp)
NC
NC
A9
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
A2
NC
NC
C1
NC
NC
D5,F8
C2
K7
F10
NC
A6,D7,A4,J4
NC
NC
NC
NC
NC
VDD1P2_BCORE
H1,J1,J3,A3,A1
NC
NC
B2
NC
NC
NC
NC
NC
NC
NC
K5,A6
D10
NC
NC
C202 CLOSE TO B1
NC
C9
ANT100
1 1
2
2
3
3
R137
A
2
1
C
3
G G
4
R144
RFS100
L110
C115
C192
R142
R110
TCXO_GCALA
K7
VDDXO
XTALP_GCALA
K8
K9
VSS
XTALN
J9
VSS
GPS_RFIP
K1
K10
BT_VDDPLL
GPS_RFIN
K2
K3
GPS_AUXOP
K4
D_GPIO_3
K5
VDDC_2
K6
GPS_VDDLNA
J10
BT_VDDRF
VSS
J2
J3
GPS_VDDPLL
VDDO33
J4
J5
VSS
J6
VSS
J7
VSS
J8
VSS
H3
VSS
VDDO18
H4
H5
GPS_CAL_B
C_GPIO_3
H6
H7
COEX_IN
H8
COEX_OUT0
H9
RES
J1
VDDC_2
G5
D_GPIO_0
C_GPIO_7
G6
G7
C_GPIO_5
COEX_OUT1
G8
G9
VSS
H1
GPS_VDDIF
H10
VSS
H2
TM2
F7
C_GPIO_6
VDDC_1
F8
F9
BT_VDDIF
GPS_SYNC_PPS
G1
G10
BT_RF
G2
VSS
G3
CAL_REQ
G4
TM3
E9
FM_CVAR
GPIO_5
F1
F10
BT_VDDPA
PCM_OUT
F2
F3
PCM_SYNC
F4
I2S_WS
F5
I2S_CLK
F6
LPO_IN
E10
FM_VDD2P5
PCM_IN
E2
E3
PCM_CLK
I2S_DO
E4
E5
VSS
E6
D_GPIO_1
E7
C_GPIO_4
E8
VDD1P2_GCORE
D3
VSS
I2S_DI
D4
D5
VDDC_1
RST_N
D6
D7
VDDO18
D8
VSS
D9
VSS
E1
C_GPIO_0
C5
C_GPIO_1
C_GPIO_2
C6
C7
GPIO_0
VSS
C8
C9
FM_VDDRF
D1
VDD_BAT
D10
FM_VDDVCO
D2
GPIO_1
B7
FM_AOUT2
FM_AIN2
B8
B9
FM_ADCAP
VDD_PRE
C1
C10
FM_RXP
C2
VDD1P2_BCORE
C3
AUX_HI
C4
FM_AIN1
A9
FM_VDD_AUDIO
REF_CAP
B1
B10
FM_RXN
O_VDD_AUX
B2
B3
REGPU
B4
UART_CTS_N
B5
UART_RXD
B6
VDD1P2_GRF
A10
FM_TXP
VDD_GRF
A2
A3
I_VDD_AUX
UART_RTS_N
A4
A5
UART_TXD
A6
VDDO18
A7
FM_AOUT1
A8
U101
1
NC
2
NC
A1
ANT101
1
1
2 2
3 3
R138
R103
R104
TP123
VIN_LDO
TP110
TP109
C121
C145
VDD_AFE
VDD_AFE
C128
L103
C129
C167
VIN_LDO
C151
C143
C137
TP106
C144
C154
C168
C119
4
5 VC3
VC4
6
7
VDD
G
8
9 GSM1800|1900TX
19
GSM1900RX
ANT
2
UMTS1 20
21
UMTS2
UMTS3 22
23
G
G
24
3 VC1
VC2
11 GSM850|900TX
GSM850RX 12
13
GSM850RX
GSM900RX 14
15
GSM900RX
GSM1800RX 16
17
GSM1800RX
GSM1900RX 18
FEM100
1
G
G
10
R105
C142
VDD_PLL
R108
C146
C127
C114
C170
C193
10
GSM850|900_OUT
2
MODE_SEL
6
TX_EN
4
VBATT
VRAMP
5
BAND_SEL
3
BYPASS_CAP
9
BYPASS_CAP
13
DCS|PCS_IN
1
12
DCS|PCS_OUT
8
GND
GSM850|900_IN
7
PAM100
VREG_AUX
L112
VBB_D_2.9V
C156
C155
C118
TP119
L108
1
3
VDD_RADIO_PLL
C120
OSC100
4
2
R101
R130
L109
UART_CTS
VDD_RADIO_PLL
VDD_3.3V_WF
UART_RXD
C122
R102
C131
L104
R131
L107
B
2
GND
3
NC 5
VCC 6
4
Y
VDD_PLL
NC
U104
1 A
C132
C158
R115
R113
V_BATT
R127
C162
C107
TP101
R100
C126
R143
C125
C173
VBB_D_2.9V
L114
C147
R139
C138
C134
R111
R112
VBB_D_2.9V
C117
C108
C105
C109
R140
L192
R192
VBB_D_2.9V
TP108
VDD_CORE
C159
VBB_D_2.9V
C172
R135
VDD_PLL
R134
C160
VBB_D_2.9V
C141
C149
R191
C150
L106
F101
2
G
3
G
5
G
IN
1
OUT 4
C111
F100
1
GND1 GND2
3
4 IN
2
OUT
ANT103
1
1
2 2
3 3
9
10
NC
NC
11
2
RF_GND
WLAN_RX 7
1
WLAN_TX
VBB_D_2.9V
ANT
5
BT
3
6
CTL1
8
CTL2
4 CTL3
GND
U100
C163
L102
VREG_AUX
Y
R109
U103
1 A
B
2
GND
3
NC 5
VCC 6
4
TP117
C164
VBB_D_2.9V
R121
R116
TP111
C171
C136
R107
C133
L115
C102
L191
L101
R133
C106
R193
L116
R120
C165
R128
C153
VBB_D_2.9V
TP120
R123
R132
1
1
2
2
R141
ANT102
C123
C169
TP102
C101
C112
R136
C140
VDD_3.3V_WF
V_BATT
C148
L111
TP122
TP103
TP104
UART_TX
TP107
C104
UART_RX
TP115
C152
R106
V_BATT
C135
R129
R126
TP113
R114
TP121
C116
TP116
C139
R125
TP118
R124
TP100
TP105
GND 1
3
GND
NC
5
NC 2
4 OUT
6 VCC
SR_VDDBAT3
P8
SR_AVDD2P5
P9
VDD_3.3V_WF
TCX100
SR_VDDNLDO
P10
SR_VSSPLDO
P11
USB20PHY_AGND_PAD
P2
BTCX_TXCONF
P3
UART_RX
P4
VOUT_CLDO
P5
VOUT_LNLDO1
P6
SR_PALDO
P7
USB20PHY_MONPLL_PAD
N3
UART_TX
N4
VDD_CLDO
N5
VDD_LNLDO1
N6
SR_PALDO
N7
SR_VDDBAT3
N8
SR_VDDBAT2
N9
USB20_DEV_DMNS
P1
VREF_LDO
M6
SR_PNPO
M7
SR_PAVSS
M8
SR_AVSS
M9
USB20_DEV_DPLS
N1
SR_PVSS1
N10
SR_VLX1
N11
USB20PHY_GNDPLL_PAD
N2
SR_TESTSWG
L9
USB20PHY_RREF_PAD
M1
SR_PVSS1
M10
SR_VLX1
M11
USB20PHY_AVDD33_PAD
M2
USB20PHY_MONCDR_PAD
M3
GPIO_8
M4
AVSS_LDO
M5
SR_VDDBAT1
L11
USB20PHY_AVDD12_PAD
L2
BTCX_STATUS
L3
BTCX_FREQ
L4
BT_REG_ON
L5
WL_REG_ON
L6
VDD_LNLDO2
L7
VOUT_LNLDO2
L8
VSS
K4
VDD
K5
OTP_VDD33
K6
VDDIO
K7
GPIO_0
K8
GPIO_2
K9
USB20PHY_AVDD25_PAD
L1
SR_VDDBAT1
L10
AMODE_EXT_LNA_PU
J7
AMODE_EXT_LNA_GAIN
J8
GPIO_3
J9
TDO
K1
GPIO_6
K10
SDIO_CLK
K11
VDDIO_RF
K2
BTCX_RF_ACTIVE
K3
AMODE_TX_PU
J1
GPIO_7
J10
SDIO_DATA_0
J11
VDDIO_RF
J2
TCK
J3
JTAG_TRST_L
J4
RF_SW_CTRL_N_3
J5
RF_SW_CTRL_P_3
J6
WRF_AFE_PAD_TEST_ON
H2
WRF_AFE_PAD_TSSI_A
H3
WRF_BBPLL_VDD_1P2
H4
TDI
H5
TMS
H6
GMODE_TX_PU
H7
RF_SW_CTRL_N_2
H8
RF_SW_CTRL_P_2
H9
GMODE_EXT_LNA_PU
G5
GMODE_EXT_LNA_GAIN
G6
RF_SW_CTRL_N_0
G7
RF_SW_CTRL_P_0
G8
VDDIO_SD
G9
WRF_AFE_PAD_TEST_OP
H1
GPIO_1
H10
SDIO_DATA_1
H11
SDIO_DATA_3
F8
WRF_EXTREFIN
F9
WRF_AFE_PAD_AVSS_RXADC
G1
VDDIO_SD
G10
SDIO_DATA_2
G11
WRF_AFE_PAD_AVDD_RXADC
G2
WRF_AFE_PAD_AVDD_AUX
G3
WRF_BBPLL_GND_1P2
G4
EXT_POR_L
F10
GPIO_9
F11
WRF_AFE_PAD_TEST_IN
F2
WRF_AFE_PAD_IQADC_VREF
F3
WRF_GPIO_OUT1
F4
VSS
F5
VDDIO
F6
VDD
F7
WRF_GNDPAG_3P3
E2
WRF_AFE_PAD_TSSI_G
E3
WRF_GPIO_OUT2
E4
WRF_GNDLO_1P2
E5
WRF_VDDVCO_1P2
E6
WRF_GNDVCO_1P2
E7
WRF_VDDCAB_1P2
E8
WRF_AFE_PAD_TEST_IP
F1
WRF_VDDPAG_3P3
D1
VSS
D10
VSSXO
D11
WRF_GNDA_1P2
D8
WRF_GNDPFDCP_1P2
D9
WRF_RFOUTP_G
E1
XTAL_PU
E10
SDIO_CMD
E11
WRF_GNDPAA_3P3
C1
VDD
C10
XTALOUT
C11
WRF_GNDPAG_3P3
C2
WRF_VDDLO_1P2
C5
WRF_VDDA_1P2
C7
WRF_VDDD_1P2
C8
WRF_VDDPFDCP_1P2
C9
WRF_GNDCAB_1P2
A9
WRF_VDDPAA_3P3
B1
VDDXO
B11
WRF_RFOUTP_A
B2
WRF_RFINN_A1_XFMR
B4
WRF_GNDRX_1P2
B5
WRF_GNDD_1P2
B8
WRF_RES_EXT
B9
WRF_GNDPAA_3P3
A1
XTALIN
A10
WRF_GNDTX_1P2
A2
WRF_VDDTX_1P2
A3
WRF_RFINP_A1
A4
WRF_VDDRX_1P2
A5
WRF_RFINP_G1
A6
WRF_RFINN_G1_XFMR
A8
CAL_REQ
FM_ANT
U102
NC
1
NC
2
DPCS_TX_OUT
UMTS2100_ANT
GSM850_RX_N
GSM850_RX_P
VRF_2.8V_FEM
GSM_ANT_SEL3
GSM_ANT_SEL2
GSM_ANT_SEL0
GSM_ANT_SEL1
XTAL_PD
DPCS_TX_OUT
GSM_TX_OUT
UMTS900_ANT
GSM900_RX_N
GSM900_RX_P
DCS_RX_N
DCS_RX_P
PCS_RX_N
PCS_RX_P
GSM_TX_OUT
WLAN_RX
BT_RF
COEX1
I2S_DI
I2S_DO
I2S_WS
I2S_CLK
COEX3
GSM_TX_IN
DPCS_TX_IN
TR_SW_RX_PU
TR_SW_TX_PU
TR_SW_BT
WLAN_TX
CAL_REQ
BT_CLK
WL_RST_N
XTAL_PU
SYS_CLK_WLAN
HOST_WAKE
VREG_CTL
BT_CLK
UART_TXD
UART_RXD
UART_RTS_N
UART_CTS_N
BT_RF
CLK32K
2075_RST
COEX3
BT_WAKE
COEX0
COEX2
PCM_IN
PCM_OUT
PCM_CLK
PCM_SYNC
FM_R
FM_L
SDIO_CLK
SDIO_CMD
SDIO_D(0)
SDIO_D(1)
SDIO_D(2)
SDIO_D(3)
COEX0
COEX2
WL_HOST_WAKE
TR_SW_TX_PU
TR_SW_RX_PU
TR_SW_BT
WLAN_TX
COEX1
SYS_CLK_WLAN
WLAN_RX
XTAL_PU
BAND_SEL
PAM_ON
V_BATT
PAM_VRAMP
PAM_R0
C130
Service Schematics
Main Ant
GSM Tx
GSM850 Rx
D/PCS Tx
DCS Rx
PCS Rx
WCDMA 1 Tx
WCDMA 1 Rx
GSM900 Rx
WCDMA 8 Tx
WCDMA 8 Rx
SAMSUNG PROPRIETARY
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS COS PROPERTY.
DO NOT DISCROSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
Power ON