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Kenwood NX-3720HG Service Manual page 186

Vhf digital transceiver, uhf digital transceiver
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TX-RX UNIT (NX-3820H(G), NX-3820H, NX-3820(G), NX-3820)
TX-RX Unit (XC1-183)
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
DDR_DQM[0],DDR_DQM[1]
DDR_RAS,DDR_WE
DDR_DQS[0],DDR_DQS[1]
DDR_D[0]~DDR_D[15]
IC401
10
32M
/FRST,/OE,/WP,/WR
FLASH
ADD[0]~ADD[23]
18M_3
DATA[0]~DATA[15]
/CS_F
/CS2
/CS3
IC403
TC7SZ08FE
X401
9
L7H-0076-00
Q401
19.2MHz
2SC4617/S/
FCNT
PLL_CLK
TCXO
Buffer
32M
32M
CN1
SB1
54M
32M
18M
L415,L416,L419
8
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
I2CCK
I/O
GPS_PA_EN
/DM_EN
I2CDT
/BT_SHUTDOWN
EXPANDER
7
UMode
DM/KVL
/INT_IO
DM_OUT
UART2_SW1
UART2_SW2
IC407
Q402
TC7SET125FUF
SSM3K15AMFV
/VBUS_DET
DM_IN
IC408
IC607
TC7SZ08FE
TLV32AIC3104I
MIC/VBUS
MIC
MI2
ME
50A
IC608
DATAI
/PSW
BU7242UNX
2/2
AFO_D
P_TEMP
CODEC
AFO
CODEC_DI,CODEC_DO
I2CCK,I2CDT,/CRST
DETO
BCLK,WCLK,MCLK
6
SPO
AFO_SP
18M_3 32A
IC601
LA4631VC-XE
50A
IC608
BU7242UNX
J2
1/2
5
SPAF
Q605
SSM6N15AFEM
SW
SP_MUTE
Q605
SSM6N15AFEM
SW
PA_MUTE
F2
4
F53-0286-05
SB2
J1
IC406
IC405
SP2
BER_EN
BD11600NUX
BD11600NUX
P_TXD2
G_TXD2
D33_TXD2
D33_TXD2
DPDT
DPDT
IC606
SW
SW
TC7SET125FUF
3
D33_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
SW
2
F6
Q603
HR2
F53-0286-05
TPCP8107-F
50A
IC909
ADM3202ARUZ
RXD(RS232C)
RTS(RS232C)
RS-232C
TXD(RS232C)
Driver
CTS(RS232C)
RXD
50A
DETO(AFO)
RTS
1
DATAI(MI2)
TXD
CTS
A
B
C
(No.RA054<Rev.001>) 2-18
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,
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
DAC
SCK1,SDO1
SPC,SPAF
/EVCS
E-Vol
AFO_SP
IC22
MSP430G2533P0
TXD2
/OVRB
/OVRB_OUT,/IGN_OUT,/PSW_OUT
PWR_CNT,/BINT2,/RST,/BINT
P_TXD2
Power
P_RXD2
RXD2
Managment
BAT_CNT
/IGN
/PSW
31BU
CN2
GPS_ANT_SW,WCLK,BCLK,BT_AUD_DI,BT_AUD_DO
RTS2,CTS2,BT_SW,GPSBT_DET
RXD1
RTS1
GPS_PWR
TXD1
GPS_ALM
CTS1
GPS_PA_EN
/BT_SHUTDOWN
G_TXD2
G_RXD2
TX-RX UNIT
54M
XC1-183
D
E
F
G
VCO_MOD
D108
Q105
SMV1130-079LF
MCH3914-H/8/
D102
SMV1270-079LF
Q106
Q102
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
ASTSW
50C
Q104
2SD2645/W/
D107
1SS400SM
Ripple
Filter
50C
200C
IC101
CP
NJM2904CRB1
1/2
Loop
CV
Filter
CPZ
VCO_MOD
PLL_CLK
PLD,DCR_ADI,/DCR_ACS,/DCR_DCS,DCR_DDO
32C
50C
Module (BT/GPS) Unit (XC2-004): NX-3820H(G), NX-3820(G) only
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
18BT
1.8V AVR
CN1
IC3
XC6209B332D-G
33BT
3.3V AVR
/BT_SHUTDOWN,GPS_PA_EN
18BT
RXD2,TXD2
GPS_ANT_SW
LEVEL
RTS2,CTS2
CONVERSION
IC4
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
TRIPLER
Q101
IC201
2SC5108FT/Y/
IC202
Q201
F1:RA60H4452-501
BGU6104
RFM01U7PF
F2:RA60H3847-501
DRIVE
DRIVE
RF POWER MODULE
AMP
AMP
Q206
90T
50C
VT6M1
Gate Bias
+B
DC SW
ASSW
Q20
SSM3J334R
Q23
BPF
LTC014EEBFS8
DC SW
50CT
Q202
DC
90T
90C
LSCR523EBFS8
SW
IC302
AK2401
Ramp_
TXC
Offset
TEMP
THP2
IC301
NJG1608KB2
TRANCEIVER IC
Q301
SSM3K15AMFV
ATT
LNAoUT
ATT_SW
ATT
+B
IC13
BU31TD2WNVX
3.1V Reg
31BU
IC5
XC6215B122N-G
1.2V Reg
12BU
Q1
KTA2012EP
Q3
SSM3K15AMFV
54M
54M
IC24
LXDC2XQ12A-252
12M
1.2VDCDC
Q19
VT6M1
54M
DC SW
IC12
LXDC2HN18F163
18M
1.8VDCDC
IC21
XC8102AA07-G
18M_3
DC SW
IC5
XC6223D331P-G
32M
3.2V Reg
IC17
NJM2878F4-32
32A
3.2V Reg
IC26
XC6221D501G-G
50A
5.0V Reg
SBC
IC16
XC6209B502P-G
IC609
XC6221D501G-G
50CT
50AC
5.0V Reg
SBC
54M
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
K :450~520MHz
K2,E:400~470MHz
D205 L8104
D206 L8104
D207 L8104
COUPLER
ANT
LPF
SW
Q205
EMD9
D204
IC205
D202
RB706F-40
AD8315ARM
RN142S
50CT
PA
REV
SW
Q22
CTRL
SPC
DET
SSM3J334R
Q21
LTC014EEBFS8
/DSW
TXPWR_H_/L
REV
DC
90C
SW
IC203
DC
DC
BA3472FVM
2/2
1/2
AMP
AMP
ANTSW
90T
90T
DC SW
TEMP
Q204
LSCR523EBFS8
D208/D209
THP1
RN142S
D303/D304
1SS400SM
Protect
HPF
DC in
(13.6V(K,K2), 13.2V(E))
Q15
LSCR523EBFS8
Q16
LSAR523UBFS8
D13
F1
EDZV5.6B
F53-0286-05
GND
50BU
5V
IC25
MP2560DQ-LF-Z
5.4V DC/DC
Converter
BAT_CNT
Q12
TPCP8107-F
Q13
LTC014EEBFS8
F4
FZA10BS-5R0
SB1
DC SW
SBC
Q17
TPCP8107-F
Q18
LTC014EEBFS8
F5
FZA10BS-5R0
SB2
DC SW
IC1
BA00DD0WHFP
SBC
90C
9.0V Reg
D20
EDZV18B
Q11
LTC014EEBFS8
5.0V Reg
/OVRB
DC SW
O
P
Q

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