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2. DBB, MEMORY, USB, JTAG
3. ABB, CHARGER
4. AUDIO PART, FM RADIO
5. IF CONNECTOR
G1_PAD
BT
VBAT
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.
Service Schematics
BOARD_HOLE
6. CONNECTOR, KEY, FILTER
RF
1. RF PART, BT MODULE
L114
C120
C121
C107
C138
R107
L120
L105
12
13
RX3
RX4 14
TX_EN
4
03
TT
A
BV
VLOGIC
2
3
VRAMP
G G
01 51
G G
61
G
81
G
91
27
GSM_IN
11
RX1
RX2
G G
23
7
G
33
G G
43
G
53
G
63
G
8 9
02 12
G G
22 32
G G
42
G
52
G
62
G
82 13
71
T
N
A
5
BS1
BS2 6
DCS|PCS_IN
29
1
G
G
C112
PAM100
TP_BT_RXD
VBT_1.5V
2
1
C125
L121
G G
3
G
510
G
CDMA_OUT 6
7
CDMA_OUT
CDMA_IN
4
1 EGSM_IN
EGSM_OUT 8
9
EGSM_OUT
2
L107
F100
L104
C111
R105
C110
C123
C114
C100
C128
R100
C113
G104
VBT_1.8V
VBT_1.8V
2
C
1
G
3
G
4
VRF_2.9V
1
2
3
4
RFS100
A
VRF_1.5V
ANT101
L102
C108
C101
C105
C103
2
3
4
1
OSC100
VDD1
5
FSYS3
6
FSYS2
7
VDD2
8
XO
9
R106
B
3
FE
R
R
03
6
D
DV
13
D
N
G
23
D
N
G
33
C
N
43
C
N
53
BX
4
21
RX2
22
23
RX2X
RX1
24
25
RX1X
VDD4
26
2X
T
72
1X
T
82
5
D
DV
92
A
D
51
NE
61
RX4
17
18
RX4X
RX3
19
AX
2
RX3X
20
GND
A
1
XOX
10
D
N
G
11
1S
YS
F
21
3
D
DV
31
KL
C
41
RFT100
VBT_1.5V
C104
L115
L108
C126
G102
C129
L106
L110
C115
C136
C119
R104
C122
C127
L112
C133
C130
C116
1 GSM1900_IN
8
GSM1900_OUT
GSM1900_OUT 9
VRF_1.5V
VRF_2.9V
2
G G
3
G
5 01
G
4 GSM1800_IN
6
GSM1800_OUT
GSM1800_OUT 7
F101
C137
L103
L111
C118
L113
C124
G100
L101
C102
G103
1
2
TP_BT_TXD
L100
SGHG770-ANT
ANT100
C106
VR100
NC
H2
PCM_OUT
H3
PCM_CLK
H4
PCM_SYNC
5
H
GI
D_
SS
V
6
H
S
D
AP
_
D
DV
H7
SDIO_CLKCSPI_CLK
1
G
OI
D
A
R_
D
DV
G2
SPI_MOSI
G3
RST#
PCM_IN
G4
G5
TEST_EN
G6
SDIO_DATA3|CSPI_CS#|UART_CTS
G7
SDIO_DATA0|CSPI_MISO|UART_TX
H1
SPI_CLK
E6
CLK_32K
E7
PIO4
F2
RF_P
3F
NE
E
R
CS
_S
SV
F4
SPI_MISO
F5
N|CS
F6
SDIO_DATA1|CSPI_INT|UART_RTS
F7
SDIO_DATA2|UART_RX
D4
D5
PIO7
D6
SDIO_CMDCSPI_MOSI
7
D
E
R
O
C_
D
DV
1E
OI
D
A
R_
SS
V
E2
RF_N
E4
SPI_CS#
E5
SDIO_SD_CS#
1
C
OL
_S
SV
C2
N|CS
A
N
A_
SS
V
3
C
C4
PIO0
C5
PIO2
C6
PIO3
C7
PIO9
D2
N|CS
N|CS
A6
VREGENABLE
7
A
S
D
AP
_
D
DV
B2
VREGIN_L
B3
LO_REF
AIO0
B4
B5
PIO1
6
B
GI
D_
SS
V
B7
PIO5
1
NC
2
NC
1
A
A
N
A_
D
DV
A2
XTAL_OUT
XTAL_IN
A3
A4
VREGOUT_H
A5
VREGIN_H
L116
U100
L118
5
7 BAL
4
G
G
6
G
8
C
N
1
2
C
N
3
UNBAL
G101
F102
BAL
VBT_1.5V
L109
C134
SBCK
SBDT
SBST
BT_CLK
DPCS_TX_IN
GSM850_RX_N
GSM900_RX_N
GSM900_RX_P
DCS_RX_N
RTX_I_N
PCS_RX_N
RTX_I_P
BT_PCM_CLK
BT_PCM_IN
BT_PCM_SYNC
BT_PCM_OUT
BT_RXD
BT_TXD
BT_CLK
CLK_REQ_ABB
GSM_TX_IN
PCS_RX_P
BAND_SEL2
BAND_SEL1
DPCS_TX_IN
PAM_VLOGIC
GSM_TX_IN
PAM_ON
PAM_VRAMP
CLK26M_DBB
PCS_RX_P
GSM850_RX_P
DCS_RX_P
RTX_Q_N
RTX_Q_P
GSM850_RX_P
GSM850_RX_N
GSM900_RX_N
GSM900_RX_P
DCS_RX_N
DCS_RX_P
PCS_RX_N
GSM 850/900 TX
DCS/PCS TX
GSM900 Rx
GSM850 Rx
DCS Rx
PCS Rx