Samsung GT-I9300i schematics
SAMSUNG CONFIDENTIAL
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO’S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
SERVICE SCHEMATICS
MAIN TX Module logic
TXM_CTL1
TXM_CTL0
TX_G850/G900
TX_DCS/PCS
B1_TRX3
B2_TRX1
B5_G850 RX_TRX2
B8_G900 RX_TRX4
RX1_PCS
RX2_DCS
RX_DCS_PCS
Near WTR2605
L102
L
L
H H
H
L
L
H
H
L
H
H
H
H
0603
L104
C112
L109
TXM_CTL3
TXM_CTL2 TXM_CTL4
H
L
L
L
LL
H
L
L
H
L
H
H
H
H
H
H
F101
L103
6
1
IN1
OUT
9
IN2
G
G
G
G23G4G
G
57
810
L107
HL
HH
H
H
H
L
H
TXM_CTL0
L108
TXM_CTL2
TXM_CTL1
MAIN RF PART
VBAT_PA
V_BAT
VBAT_PA
C110
36
RF_TX_DA_1
L105
L106
C119
RF_IN
18
[ PCS ]
RX1
20
RX2
[ DCS ]
35
SPDT
19
SPDT_IN
21
SPDT_OUT
38
SW0
37
SW1
GND
GND1GND10GND11GND12GND13GND
2
C118
C117
VBAT_PA
1207
C101
C100
C107
C111
5
32
15
4
ANT
VCC
VCC
VBATT
U100
GND6GND7GND8GND
GND
9
3
GND44GND45GND46GND47GND48GND
GND
GND
GND22GND
GND
GND
GND
GND16GND
25
43
31
23
27
29
17
14
GND
49
50
GND51GND52GND53GND54GND55GND56GND57GND
L118
C103
C108
24
TRX1
26
TRX2
28
TRX3
30
TRX4
40
LB_EN
39
HB_EN
34
NC
33
NC
41
MODE0
42
MODE1
58
C114
C116
C115
C113
[RF PART]
ANT
GSM ALL TX
GSM850 RX
GSM900 RX
DCS 1800 RX
PCS 1900 RX
WCDMA 1, 8 TX/RX
WCDMA 2, 5 TX/RX
RFS100
G
A
C
G
2
1
4
3
L129
C185
C106
WCDMA_B2
WCDMA_B5
WCDMA_B1
WCDMA_B8
TXM_CTL4
TXM_CTL3
PA_R0
PA_R1
C105
L101
ANT101
ANT100
1
1
1
1
2
2
2
2
C109
BLUETOOTH
WIFI
TCXO
CN100
CN101
CN102
1
1
1
1
1
1
VREG_L12_1P8
R106
TH100
C168
Thermistor
BOTHHOLE101
BOTHHOLE100
BOTHHOLE104
BOTHHOLE103
PA_THERM0_MPP5
SC100
1
1
2
2
3
3
4
4
5
5
BOTHHOLE102
BOTHHOLE105
BOTHHOLE106
SC101
1
2
3
4
BOTHHOLE107
2G PA / Tx Module
VBAT_PA
C138
CPL_PDET_LOOP
1
RF_TX_DA_2
PA_ON_B1
PA_ON_B8
PA_R0
WTR0_PDET_IN
C146
2
3
4
5
6
C147
C148
R102
R104
R105
Near WTR2605
1
2
3
4
RF_TX_DA_3
PA_ON_B2
PA_ON_B5
VBAT_PA
C156
1
VBATT
2
RFIN
3
VENHB
4
VENLB
5
PA_R0
C164
C165
VMODE
6
GND
C166
VBAT_PA
C124
C139
15
16
17
14
GND
GND
RFOUTHB
VBATT
CPLIN
13
GND
RFIN
12
VCC
VENHB
11
U101
VENLB
GND
10
VMODE
RFOUTLB
9
GND
GND
GND
CPL_OUT
7
8
L130
C142
C140
L117
C170
C149
B1 / B8 PA
VBAT_PA
C155
C157
R118
15
16
17
14
GND
GND
RFOUTHB
CPLIN
13
GND
12
VCC
U103
11
GND
10
RFOUTLB
9
GND
GND
CPL_OUT
7
8
CPL_PDET_LOOP
L132
L141
C186
C159
C167
L127
C121
C122
F102
3
TX
3
TX
2
G1G2
2
L110
6
1
ANT
RX3TX
L137
G1
G3
G5
2
4G25
7G68
C144
L131
L113
F103
6
ANT
1
RX
G G
G
G
G
4
8
2
5 7
L143
C152
L133
6
ANT
F104
G
G4G
G
5
7G8
F105
6
ANT
G5G6
4
5G37
8
L142
1
RX
L138
G
9
C162
C163
L122
1
RX3TX
WCDMA_B1
WCDMA_B8
C178
L140
C181
RX_B8_G900
RX_B1
VDD_WTR_RF2_2.0V
VDD_WTR_RF1_1.3V
C123
L128
C128
C127
C130
C131
C126
C129
46
30
31
21
20
26
39
48
5
RX_B8_G900
RX_B5_G850
RX_B1
RX_B2
RX_DCS_PCS
CH0_BB_RX_IP
CH0_BB_RX_IM
CH0_BB_RX_QP
CH0_BB_RX_QM
GPS_RF_IN
GPS_BB_RX_IP
GPS_BB_RX_IM
GPS_BB_RX_QP
GPS_BB_RX_QM
GP_DATA0
RX_B2
GP_DATA1
RX_LB1_IN
10
VDD_RF1_DIG
VDD_RF1_LNA
RX_LB2_IN
VDD_RF1_T_LO
VDD_RF1_R_LO
VDD_RF1_G_LO
VDD_RF1_G_PLL
VDD_RF1_R_VCO
4
RX_MB1_IN
9
RX_MB2_IN
3
RX_MB3_IN
61
RX_BB_IP
55
RX_BB_IM
49
RX_BB_QP
43
RX_BB_QM
U102
11
GNSS_RF_IN
62
GNSS_BB_IP
WTR2605
51
GNSS_BB_IM
45
GNSS_BB_QP
41
GNSS_BB_QM
53
GP_DATA0
58
GP_DATA1
57
GP_DATA2
GND29GND
GND
GND
GND15GND
GND
DNC
25
27
28
14
17
36
VDD_WTR_IO_1.8V
C120
R107
C134
C132
C133
C135
59
52
54
40
19
16
37
VDD_RF3_IO
VDD_RF2_XO
VDD_RF2_T_DA
VDD_RF2_R_BB
VDD_RF2_T_PLL
VDD_RF1_T_PLL
VDD_RF2_R_PLL
VDD_RF2_T_VCO
TX_BB_QM
PDET_RFFB_IN
SSBI_TX_GNSS
GND
GND
GND
GND
GND
GND
GND33GND34GND
50
44
42
38
47
32
35
C141
C136
C137
7
TX1_OUT
RF_TX_DA_1
1
TX2_OUT
RF_TX_DA_2
6
TX3_OUT
RF_TX_DA_3
2
TX_BB_IP
TX_BB_IM
TX_BB_QP
CH0_BB_TX_IP
12
CH0_BB_TX_IM
18
CH0_BB_TX_QP
23
CH0_BB_TX_QM
22
8
SSBI_RX
CH0_SSBI_RX
56
CH0_SSBI_TX_GPS
13
RF_ON
60
XO_IN
24
DAC_REF
CH0_TXDAC_IREF
63
NC
64
NC
VREG_L10_1P8
VREG_L1_1P225
VREG_L9_2P05
VDD_WTR_IO_1.8V
VDD_WTR_RF1_1.3V
VDD_WTR_RF2_2.0V
WTR0_PDET_IN
C150
RFCLK1_19.2M
C151
C184
C187
L111
L115
L114
L116
WCDMA_B2
C145
L119
WCDMA_B5
L124
L123
L126
RX_B5_G850
2G/3G Tranceiver
B2 / B5 PA
SENSORS PART
BT/WIFI/FM Module
6 Axics Sensor (GYRO,ACCEL)
Magnetic Sensor
NFC
Hall IC
RF CONNECTIVITY PART
GPS / GNSS
C270
C222
C214
C266
L206
TP209
L208
C239
C236
TP211
VDD_NFC_PMU_2.8V
TP210
C249
TP206
TP212
VREG_L19_2P85
C252
G
IN
1
4
OUT
VDD_SENSOR_2.85V
C228
F203
G
2
3G5
C233
TP200
VLDO_1P8
C205
C262
C246
C237
C211
TP208
R204
TP207
VDD_5GWLAN_3P0
C224
C201
C212
V_BAT
C223
L201
C231
C248
VREG_L22_DUAL_IN
PWR_REQ
L222
INT IOVDD
A2
NC
2
1
NC
B2
SCL
C1
SDA
C2
VDD
B1
VSS
VREG_L6_1P8
U210
A1
C219
48
VDD_DIG_1P2
30
VDD_IO_1P8
35
61
FM_HS_RX
40
VDD_WL_UPC_1P3
45
VDD_WL_BB_1P3
VDD_WL_PLL_1P3
50
VDD_WL_2GPA_1P3
6
9
VDD_WL_2GLNA_1P3
VDD_WL_2GPA_2P9
11
VDD_XO_1P8
26
FM_SSBI
VDD_WL_5GPA_2P9
73
69
VDD_FM_PLL_1P3
54
VDD_FM_RXBB_1P3
49
VDD_FM_TXDA_2P9
41
FM_DATA
74
VDD_FM_RXFE_1P3
VDD_FM_VCO_1P3
75
32
WDD_WL_LO_1P3
VDD_BT_TXRF_2P9
4
BT_STROBE
19
7
VDD_BT_VCO_1P3
14
VDD_BT_BB_1P3
VDD_BT_PLL_1P3
17
25
VDD_BT_FM_DIG_1P3
VDD_WL_5GPA_1P3
59
78
VDD_WL_5GLNA_1P3
WL_PDET_IN
WL_CMD_DATA0
71
WL_CMD_DATA1
70
WL_CMD_DATA2
77
WL_CMD_CLK
33
N/C
28
80
NC
NC
81
3
VDD_BT_RXRF_1P3
63
WL_CMD_SET
5
WL_BT_RFIO
52
WL_EPA_CTRL0
34
WL_EPA_CTRL1
47
WL_DA_OUT_5G
72
WL_RFIO_5G
29
BT_DATA
16
GND60GND
GND
62
65
GND
BT_SSBI
24
GND
66
67
GND76GND
GND
79
GND
43
XO_OUT
GND39GND42GND44GND46GND53GND
55
56
18
GND20GND21GND
GND
22
23
GND27GND
GND
37
38
1
GND
GND2GND8GND
10
12
GND
XO_IN
31
GND13GND
15
36
CLK_OUT
FM_TXRX
68
WL_BB_IN
64
58
WL_BB_IP
WL_BB_QP
51
WL_BB_QN
57
U204
C247
IN
1
4
OUT
C207
F202
2G3G5
G
C238
VDD_SENSOR_2.85V
C202
F200
GND1
1 3
GND2
IN
4
OUT
2
1
1
2
2
VREG_L6_1P8
ANT201
C232
3
D
2G
1
S
TP_NFC_CLK_I
SDA|SDI
24
9
SDO|AD0
13
VDD
VDDIO
8
Q200
NC
16
17
NC
NC
26
NCS
22
REGOUT
10
19
RESV
RESV
20
23
SCL|SCLK
27
NC
1
NC
NC
6
3
NC
NC
4
5
NCNC
14
15
NC
U208
7
AUX_CL
21
AUX_DA
11
FSYNC
GND
18
INT
12
NC
2
C245
VDD_WLAN_1P3
VDD_SENSOR_IO_1.8V
TP205
VDD_FEM/GPS_2.75V
L210
C200
EN
5
6
RFOUT
C259
U200
GND
1
2
GND
RFIN
3 4
VDD
TP_HALL_OUT
VREG_L14_2P75
L202
TP_NFCFW
L204
1005
C268
R205
C256
1
VDD_FEM/GPS_2.75V
TP203
OSC200
2
4 3
VREG_L24_1P3
C265
C251
C216
C244
C217
VREG_L6_1P8
VDD_5GWLAN_3P0
L218
C218
C204
C263
C235
C213
C250
C261
C208
C226
C215
C255
VDD_NFC_PMU_2.8V
L221
L220
L203
CLK_REQ
VREG_L10_1P8
C258
C203
DWL_REQ
XTAL1
F3
F4
SWIO_UICC
PMUVCC
F5
F6
SIMVCC
SVDD
F7
PVSS
I2C_ADR1
E2
CLK_REQ
E3
PWR_REQ
E4
E5
SWIO_SE
DVDD
E6
E7
VDD
I2C_ADR0
F1
F2
ANT2
I2C_SCL
D1
PVDD
D2
XTAL2
D3
D4
EXT_SW_CTRL
AVSS
D5
D6
VDHF
VBAT
D7
E1
TVSS
TVDD_IN
B7
IRQ
C1
I2C_SDA
C2
C3
VEN
VSS3
C4
C5
VSS2
ANT1
C6
C7
VMID
TX2
A6
TX1
A7
DCDC_VSS
B1
B2
VBAT_DCDC
TVDD
B3
B4
RXP
VSS1
B5
B6
U209
NC
1
2
NC
A1
SAM_DCDC
SAP_DCDC
A2
A3
VUP
RXN
A4
A5
R206
L205
VDD_UIM1_NFC_2.8V
C260
C206
C267
C272
R207
0603
C243
VLDO_1P8
C220
L219
C240
TP204
VDD_WLAN_1P3
L200
C221
VREG_LVS1_1P8
C242
VDD_SENSOR_IO_1.8V
V_BAT
NC
3
4
OUT
1
VDD
2
VSS
U202
C273
C253
VDD_SENSOR_IO_1.8V
ANT
2
1
G
3
G
G
5
HIGH
6
LOW
4
C257
F201
C269
C241
C271
C225
C227
C209
C230
VREG_L16_3P0
C210
1
1
2
2
L216
ANT200
L215
WL_RFIO_5G
DETECT_FLIPCOVER
WLAN_QP
WLAN_QM
BT_WIFI_CLK_IN
BT_WIFI_CLK_OUT
FM_ANT
FM_DATA
FM_SSBI
WL_RFIO_5G
WLAN_IP
WLAN_DATA0
WLAN_DATA1
WLAN_DATA2
WLAN_CLK
WLAN_SET
BT_SSBI
BT_DATA
BT_CTL
WCSS_XO
NFC_I2C_SDA
NFC_I2C_SCL
SENSOR_I2C_SCL
SENSOR_I2C_SDA
GPS_RF_IN
BT_WIFI_CLK_IN
BT_WIFI_CLK_OUT
WLAN_IM
UIM1_DATA
NFC_ANT1
NFC_ANT2
NFC_DISABLE_N
CLK_REQ
NFC_CLK_I
NFC_SWP
NFC_FIRMWARE
GYRO_INT_N
SENSOR_I2C_SCL
SENSOR_I2C_SDA
NFC_INT_N
GPS_EXT_CTRL
SAMSUNG CONFIDENTIAL
THIS DOCUMENT CONTAINS CONFIDENTIAL
PROPRIETARY INFORMATION THAT IS
SAMSUNG ELECTRONICS CO’S PROPERTY.
DO NOT DISCLOSE TO OR DUPLICATE FOR OTHERS
EXCEPT AS AUTHORIZED BY SAMSUNG.
SERVICE SCHEMATICS
ANT
[RF PART]
GSM ALL TX
GSM850 RX
GSM900 RX
DCS 1800 RX
PCS 1900 RX
WCDMA 1, 8 TX/RX
WCDMA 2, 5 TX/RX
BLUETOOTH
WIFI
FM
GPS
NFC
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