Samsung B2700 Service Manual page 73

GT-B2700 Service schematics
PAM200
F200
C207 C208
C206
1 4
3G_TX OUT
IN
G G G
L206
L205
L204 2 3 5
RF_DAC2
VREF_3G_B1
C215 C216
VCC_RX_2.8V
R208
C226
C223
L212 C235
F201
R213
2 5
G G OUT
4
IN
L214
1
OUT R214
3
RF_DAC2
VCC_TX_2.8V
C231
C230
VBAT
L200 L201
C201 C200
C205
13
19 18 17 16 15 14
1 12
RFIN VCC2
C211
C210
2
11
VCC2
NC
3
10
VCC2 L220
VMODE
4 RFOUT 9
VREG
20
NC
5 6 7 8
L209
L208
VDD_IO_LOW_1.8V
VCC_RX_2.8V
LNA_IN
R209
C217
C224
L218
C225
VCCRX
QRX_N
NC6 RXQB
20
QRX_P
NC5 RXQA
19
NC4 RXIB IRX_N
18
MIX1_A RXIA IRX_P
17
U201
MIX1_B NC15
16
D_REF_CLK
NC3 REFIN
15
RF_DAC1 EN RF_EN_3G
14
RF_DAC2 CLK RF_CLK_3G
13
VCCTX DATA RF_DATA_3G
12
VGACTL
41 GND1
11
NC2
42
NC1
43
QTX_N
QTX_P
ITX_N
ITX_P
3G_TX
C204
3G
L203 C209
DUF200
2
C213
ANT
7 TX RX 5
LNA_IN
1 3 4 6 8 9
L210 C214
<BLUETOOTH>
BT_LDO_1.5V
R211
C221
C232
VDD_IO_LOW_1.8V
B4
AIO0
R212
C4
PIO0
B5
PIO1
C5
BT_CLK_REQ
PIO2
C6
BB2G_REF_ON
PIO3
E7
PIO4
B7
PIO5
D5
PIO7
C7
PIO9
G4
IOM_DD
PCM_IN
H2
IOM_DU
PCM_OUT
H3
IOM_DCL
PCM_CLK
H4
IOM_FSC
R217 PCM_SYNC
BT_INT
G7
RXD2
TP205 SDIO_DATA0|CSPI_MISO|UART_TX
F6
CTS2
TP206 SDIO_DATA1|CSPI_INT|UART_RTS
F7
TXD2
TP207 SDIO_DATA2|UART_RX
G6
RTS2
SDIO_DATA3|CSPI_CS#|UART_CTS
H7
SDIO_CLKCSPI_CLK
D6
SDIO_CMDCSPI_MOSI
E5
SDIO_SD_CS#
E6
32KHZ_DIGIT
CLK_32K
VBAT VDD_IO_LOW_1.8V
U200
1 6
VFB RUN
2 5
VIN
MODE|SYNC
3 4
GND SW
L207
C218 C219 C239 C202
VDD_IO_LOW_1.8V
C222 C220
BT_CLK_26M
C227 C236
H1
SPI_CLK
C234
E4
SPI_CS#
F4
SPI_MISO
G2
SPI_MOSI
A5
VREGIN_H F202
B2
VREGIN_L
A4
VREGOUT_H
A6
VREGENABLE
5
E2 BAL
RF_N
F2
7 BAL UNBAL
RF_P L217
A3 G G
XTAL_IN VDD_IO_LOW_1.8V
A2
XTAL_OUT 2 1 8 6
G3
RST#
B3 C237
LO_REF R218
G5
TEST_EN
C2
N|CS
D2
BT_RST
N|CS
D4
N|CS
F5
N|CS
1
C238
NC
2
NC
U202
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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.
BB3G_REF_ON VCC_RX_2.8V VCC_TX_2.8V
C203
ANT200
1 2 3
L219
3
G
L211 L215
4
L216
BT_LDO_1.5V