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BLOCK DIAGRAM
TX-RX UNIT (NX-3720H(G), NX-3720H, NX-3720(G), NX-3720)
TX-RX Unit (XC1-182)
IC402
DDR_A[0]~DDR_A[13]
DDR_BA[0],DDR_BA[1]
DDR_CAS,DDR_CKE,DDR_CLKN
DDR_CLKP,DDR_CS
18M
DDR
10
DDR_DQM[0],DDR_DQM[1]
DDR_RAS,DDR_WE
DDR_DQS[0],DDR_DQS[1]
DDR_D[0]~DDR_D[15]
IC401
32M
/FRST,/OE,/WP,/WR
ADD[0]~ADD[23]
FLASH
18M_3
DATA[0]~DATA[15]
/CS_F
/CS2
/CS3
9
IC403
TC7SZ08FE
X401
Q401
L7H-0076-00
2SC4617/S/
19.2MHz
TCXO
FCNT
Buffer
PLL_CLK
32M
32M
CN1
SB1
54M
8
32M
18M
L415,L416,L419
L79-1984-05
/CS4,/OE,/WR,ADD[23]
/CS,/RD,/WR,A[23],D[0]~D[7]
DATA[0]~DATA[7]
USB_D+,USB_D-,/PTT,TXD.RXD,I2CDT,I2CCK,/KEYINT,PRST
IC409
32M
TCA9555RTWR
R_SET0,R_SET1,R_SET2,PRST_MON
7
I2CCK
I/O
GPS_PA_EN
/DM_EN
I2CDT
/BT_SHUTDOWN
EXPANDER
UMode
DM/KVL
/INT_IO
DM_OUT
UART2_SW1
IC407
Q402
UART2_SW2
TC7SET125FUF
SSM3K15AMFV
/VBUS_DET
DM_IN
IC408
IC607
TC7SZ08FE
TLV32AIC3104I
MIC/VBUS
MIC
MI2
ME
50A
IC608
DATAI
/PSW
BU7242UNX
2/2
P_TEMP
AFO_D
6
AFO
CODEC
CODEC_DI,CODEC_DO
I2CCK,I2CDT,/CRST
DETO
BCLK,WCLK,MCLK
SPO
AFO_SP
18M_3 32A
IC601
LA4631VC-XE
50A
5
IC608
BU7242UNX
J2
1/2
SPAF
Q605
SSM6N15AFEM
SW
SP_MUTE
Q605
SSM6N15AFEM
SW
PA_MUTE
4
F2
F53-0286-05
SB2
J1
IC406
IC405
SP2
BER_EN
BD11600NUX
BD11600NUX
P_TXD2
G_TXD2
TXD2
D33_TXD2
D33_TXD2
DPDT
DPDT
3
IC606
TC7SET125FUF
SW
SW
D33_RXD2
RXD2
SB2
D33_RXD2
50AC
P_RXD2
G_RXD2
Q18
XC61CN5002N-G
32M
UART2_SW2
32M
UART2_SW1
IGN
/IGN
IC604
Q601
TCA9555RTWR
SSM6N15AFEM
FNC1(TXD),FNC2(RXD),FNC3(RTS)
I2CCK
LEVEL
FNC4(CTS),FNC5,FNC6
CONVERSION
I2CDT
I/O
HR1
EXPANDER
Q602
LTC014TEBFS8
50A
HORN
/INT15P
2
SW
F6
Q603
F53-0286-05
HR2
TPCP8107-F
50A
IC909
ADM3202ARUZ
RXD(RS232C)
RXD1
RTS(RS232C)
RTS1
RS-232C
TXD(RS232C)
TXD1
Driver
CTS(RS232C)
CTS1
RXD
50A
DETO(AFO)
RTS
1
DATAI(MI2)
TXD
CTS
A
B
C
IC404
---------------------------------------------------------
--TX--
ANTSW,/DSW,TXC,ASSW,TXPWR_H_/L
---------------------------------------------------------
--RX--
ATT_SW
---------------------------------------------------------
--AUDIO--
SP_MUTE,PA_MUTE
---------------------------------------------------------
--3.2V Reg(IC19),5V Reg(IC609),DC SW(Q13,Q12)--
SBC
---------------------------------------------------------
--Logic IC(IC407,IC408)--
DM_OUT,/DM_EN,DM_IN
---------------------------------------------------------
/DCR_RST,RX,TX,AGCKEEP,BCLK ,
/DCR_CS,DCR_DO,DCR_DI,DCR_ACLK,
PLD,DCR_ADI,/DCR_ACS,/DCR_DCS,DCR_DDO
Module (BT/GPS) Unit (XC2-004): NX-3720H(G), NX-3720(G) only
IC410
ADS7961SRHB
SCK0,SDO0.SDI0
CV,P_TEMP,Ramp_Offset,BLVL,TEMP
ADC
/ADC,/ADC_INT
THP1,THP2,REV,GPS_PWR,GPS_ALM
IC411
DAC124S085CIS
SCK1,SDO1
DAC
APC,ASSIST,FCNT
/DACCS
IC412
R2A20178NP
SCK1,SDO1
DAC
SPC,SPAF
/EVCS
E-Vol
AFO_SP
IC22
MSP430G2533P0
/OVRB
/OVRB_OUT,/IGN_OUT,/PSW_OUT
PWR_CNT,/BINT2,/RST,/BINT
P_TXD2
P_RXD2
Power
BAT_CNT
Managment
/IGN
/PSW
31BU
CN2
CN1
GPS_ANT_SW,WCLK,BCLK,BT_AUD_DI,BT_AUD_DO
RTS2,CTS2,BT_SW,GPSBT_DET
GPS_PWR
GPS_ALM
GPS_PA_EN
/BT_SHUTDOWN
G_TXD2
G_RXD2
TX-RX UNIT
54M
XC1-182
D
E
F
G
VCO_MOD
D108
Q105
SMV1130-079LF
MCH3914-H/8/
D102
SMV1270-079LF
Q106
Q107
D103,104,105,106
2SC5108FT/Y/
2SC5108FT/Y/
200C
1SV282-F
IC101
Q103 VT6M1
NJM2904CRB1
D101 EDVZ8.2B
2/2
ASSIST
DC SW
VCO
BUFF
BUFF
ASTSW
Q104
2SD2645/W/
D107
1SS400SM
Ripple
Filter
IC302
AK2401
50C
200C
IC101
CP
NJM2904CRB1
1/2
Loop
CV
Filter
CPZ
VCO_MOD
PLL_CLK
32C
50C
33BT
18BT
X2
L77-3121-05
Bluetooth
32.768kHz
IC5
2400-2483.5 MHz
NL5500LYFVR
18BT
XO
L11
L79-1987-05
Q1
BPF
EM6M2
GPS
1575.42MHz
DC
BLUETOOTH
33BT
SW
GPS
BPF
TXCO
L9
L79-1985-05
X1
L77-3123-05
19.2MHz
ANT
33GPS
DET
GPS_PWR
BTFM_nSHUTDoWN,GPS_PA_EN
GPS_ALM
18BT_HCI_TX,18BT_HCI_RX
18BT_HCI_CTS,18BT_HCI_RTS
18BT_AUD_OUT,18BT_AUD_IN
18BT_AUD_FSYNC,18BT_AUD_CLK
BT_SW
IC2
BU18TD2WNVX
1.8V AVR
18BT
54M
IC3
XC6209B332D-G
33BT
3.3V AVR
/BT_SHUTDOWN,GPS_PA_EN
18BT
RXD2,TXD2
GPS_ANT_SW
LEVEL
RTS2,CTS2
IC4
CONVERSION
NJM2878F4-33
BT_AUD_DI,BT_AUD_DO
33BT
WCLK,BCLK
33GPS
3.3V AVR
IC1,6,7
74AVC4TD245GU
GPS_PWR,GPS_ALM
BT_SW,GPS_ANT_SW
54M
H
I
J
IC202
Q201
IC201
BGU6104
RFM01U7PF
RA60H1317A501
COUPLER
DRIVE
DRIVE
RF POWER MODULE
AMP
AMP
IC205
Q206
90T
AD8315ARM
VT6M1
Gate Bias
+B
50CT
DC SW
ASSW
PA
Q20
SPC
CTRL
SSM3J334R
Q23
LTC014EEBFS8
BPF
50CT
DC SW
/DSW
Q202
TXPWR_H_/L
DC
LSCR523EBFS8
90T
90C
SW
DC
AMP
Ramp_
TXC
Offset
90T
TEMP
THP2
IC301
NJG1608KB2
TRANCEIVER IC
Q301
SSM3K15AMFV
ATT
HPF
LNAoUT
ATT_SW
ATT
+B
IC13
BU31TD2WNVX
50BU
31BU
3.1V Reg
IC5
XC6215B122N-G
12BU
1.2V Reg
Q1
KTA2012EP
Q3
SSM3K15AMFV
IC25
MP2560DQ-LF-Z
54M
5.4V DC/DC
54M
Converter
IC24
LXDC2XQ12A-252
12M
1.2VDCDC
BAT_CNT
Q19
VT6M1
54M
DC SW
IC12
LXDC2HN18F163
18M
1.8VDCDC
SB1
IC21
XC8102AA07-G
18M_3
DC SW
IC5
XC6223D331P-G
32M
3.2V Reg
IC17
NJM2878F4-32
SB2
32A
3.2V Reg
IC1
BA00DD0WHFP
IC26
XC6221D501G-G
90C
9.0V Reg
50A
5.0V Reg
IC16
SBC
XC6209B502P-G
IC609
XC6221D501G-G
50CT
5.0V Reg
50AC
5.0V Reg
SBC
IC6
XC6221D501G-G
50C
5.0V Reg
Q12
EM6M2
50CS
DC SW
/SAVE
IC13
TPS61041DRVR
20VDC/DC
200C
Converter
IC19
XC6223D321G-G
32C
3.2V Reg
SBC
K
L
M
N
136~174MHz
D205 L8104
D206 L8104
D207 L8104
ANT
LPF
SW
Q205
EMD9
D204
D202
RB706F-40
RN142S
REV
SW
Q22
DET
SSM3J334R
Q21
LTC014EEBFS8
REV
DC
90C
SW
IC203
BA3472FVM
DC
2/2
1/2
AMP
ANTSW
90T
DC SW
Q204
TEMP
LSCR523EBFS8
D208/D209
THP1
RN142S
D303/D304
1SS400SM
Protect
DC in
Q15
(13.6V(K), 13.2V(E))
LSCR523EBFS8
Q16
LSAR523UBFS8
D13
F1
EDZV5.6B
F53-0286-05
GND
5V
Q12
TPCP8107-F
Q13
LTC014EEBFS8
F4
FZA10BS-5R0
DC SW
SBC
Q17
TPCP8107-F
Q18
LTC014EEBFS8
F5
FZA10BS-5R0
DC SW
SBC
D20
EDZV18B
Q11
LTC014EEBFS8
/OVRB
DC SW
O
P
Q
(No.RA054<Rev.001>) 2-17
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