H
WIFI
H
BALUN-TX
BT & FM COMBO
RF2 (WIFI_TX)
L
L
GPS LNA
H
RF3 (BT_RTX)
BT, WIFI ANT
L
V2
L
L
TRUTH TABLE
RF1 (WIFI_RX)
V3
BALUN-RX
V1
L
C221
VBT_2.6V
L218
C217
C209
C262
C230
OSC200
2
4
3
1
C244
H3
PIO3|CLK_REQ_IN
H4
SLEEP_CLK
H5
PIO4
H6
PCM1_OUT|SPI_MISO
H7
G2
PIO2|CLK_REQ_OUT
G3
PIO5
G4
PCM1_CLK|SPI_CLK
G5
PCM1_IN|SPI_MOSI
G6
G7
VDD_P
ADS
FM_TX_N
H1
VDD_FM_TX
H2
SPI_PCM#_SEL
F1
VSS_FM_AUDIO
F2
AUDIO_IN_L
F3
VREG_ENABLE_RST#
F4
PCM1_SYNC|SPI_CS#
F5
VSS_DIG_P
ADS
F6
VDD_DIG
F7
FM_TX_P
G1
VDD_FM_RX_AUDIO
D7
AUDIO_OUT_R
E1
AUDIO_OUT_L
E2
AUDIO_IN_R
E3
PIO7
E4
NC
E5
E6
UART_RTS
UART_CTS
E7
FM_RX
C5
PCM2_CLK
C6
VDD_HOST
C7
VSS_BT_RADIO
D2
VDD_BT_RADIO
D3
PIO6
D4
NC
D5
D6
UART_RX
UART_TX
B4
PCM2_OUT
B5
B6
PIO1
PCM2_IN
B7
VSS_BT_RF_BAL
C1
NC
C2
VDD_AUX
C3
VSS_REG_ANA
C4
PCM2_SYNC
A3
A4
VREGIN_H
VREGOUT_H
A5
VDD_DIG
A6
PIO0
A7
BT_RF
B1
VDD_BT_LO
B2
VDD_ANA
B3
AIO1
U203
1
NC
NC
2
VSS_BT_LO_AUX
A1
VSSXT
AL_OUT
A2
SYS_CLK|XTAL_IN
L217
VWLAN_3.3V
C232
C246
C231
C236
L210
C226
C241
C200
2
2
TP210
ANT200
1
1
L9
SWREG_OUT
C245
L11
VREG
L2
GPIO_25
L3
GPIO_23
L4
GPIO_1
L5
GPIO_3
GPIO_4
L6
L7
PAREG_BASE
L8
PAREG_VDD33_OUT
GPIO_0
K5
GPIO_2
K6
PM_MODE
K7
PM_ENABLE
K8
VBATTERY_42
K9
VBATTERY_42
L1
GPIO_24
L10
SWREG_OUT
J10
J11
SREG_OUT
J2
VDD33_ANT
K1
XT
AL0
K10
CHIP_PWD
K11
DREG_OUT
K2
VDD18_XT
AL
K3
DVDD_SOC1
K4
H11
H2
ANTE
H4
DVDD12
H5
DVDD12
H6
GND
H7
GND
H8
GND
J1
XT
ALI
DVDD_SDIO
G2
ANTB
G4
GND
G5
GND
G6
GND
G7
GND
G8
GND
H1
XPABIAS5
H10
GPIO_10
GPIO_9
F4
GND
GND
F5
F6
GND
F7
GND
F8
DVDD12
G1
XPABIAS2
G10
GPIO_12
G11
GPIO_11
E5
GND
E6
GND
E7
GND
E8
DVDD12
F1
ANTC
F10
GPIO_14
F11
GPIO_13
F2
ANTA
D6
GND
D7
GND
D8
DVDD12
ANTD
E1
E10
GPIO_6
E11
GPIO_5
E2
VDD18_BB
E4
GND
C11
GPIO_15
C2
VDD12_SYNTH
D1
BIASREF
D10
GPIO_8
D11
GPIO_7
D2
VDD18_SYNTH
D4
GND
D5
GND
B4
GND
B5
VDD33_P
A
B6
VDD33_P
A
B7
GND
GPIO_22
B8
B9
GPIO_20
C1
VDD12_BB
C10
DVDD_SOC2
A7
RF5OUTP
A8
RF5OUTN
A9
GPIO_19
B1
BT_RX_OUT
B10
GPIO_17
B11
GPIO_16
B2
VDD18_RF
B3
GND
A1
RF2INP
A10
GPIO_21
A11
GPIO_18
A2
RF2INN
A3
RF5INP
A4
RF5INN
RF2OUTP
A5
A6
RF2OUTN
U201
1
NC
NC
2
C208
L200
L201
TP209
R207
C234
C250
VREG_RFRX1_2.7V
VREG_MSMP_2.6V
R205
BAL1
6
BAL2
4
DC
2
3
GND
5
GND
1
UNBAL
C233
F201
VWLAN_3.3V
TP205
TP208
TP204
C256
VREG_MSMP_2.6V
C202
C205
L216
C214
C206
C239
C243
C203
C253
TP211
TP207
L203
C259
C212
F200
G
2
G
3
G
5
1
IN
4
OUT
C237
C248
R201
C213
C261
7
WLAN_RX
1
WLAN_TX
TP_WLAN_RST
3
BT
CTL1
6
CTL2
8
CTL3
4
9
GND
NC
10
11
NC
RF_GND
2
U205
5
ANT
C240
C247
2
2
ANT201
1
1
VWLAN_1.8V
C257
TP212
TP206
C260
4
GND|DC|RFGND
UNBAL
1
C210
F202
2
BAL
3
BAL
C255
C215
C254
C235
L204
C238
VWLAN_1.8V
C258
VWLAN_3.3V
R208
R210
RFIN
2
RFOUT
10
VCTL
8
VDD
12
G
G
4
5
G
G
6
7
G
9
G
11
G
13
G
U202
1
G
3
C218
BT_HOST_WAKE
FM_ROUT
FM_LOUT
BT_PRIORITY
WLAN_ACTIVE
BT_ACTIVE
BT_PCM_OUT
BT_PCM_IN
BT_PCM_CLK
BT_PCM_SYNC
ANT_SEL_B
ANT_SEL_C
ANT_SEL_E
BT_CLK26
GPS_LNA_ON
BT_CLK_REQ
BT_CLK_REQ
BT_RF_TRX
ANT_SEL_C
WLAN_SD_CLK
ANT_SEL_B
ANT_SEL_E
BT_ACTIVE
BT_CLK26
WLAN_ACTIVE
BT_PRIORITY
WLAN_SD_DATA(0)
WLAN_SD_DATA(1)
WLAN_SD_DATA(2)
WLAN_SD_DATA(3)
WLAN_SD_CMD
WAKE_ON_WLAN
WLAN_RST_N
BT_UART_RXD
SLEEP_CLK
FM_ANT
BT_RF_TRX
RX_GPS
BT_RST_N
BT_UART_RTS
BT_UART_CTS
BT_UART_TXD
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.
GT-B6520 SERVICE SCHEMATICS
< RF Part 2 >
WIFI TX
Bluetooth
WIFI RX
FM Radio
GPS