A
1
2
3
4
5
B
C
D
E
F
G
(No.RA003<Rev.004>) 2-6
2-6 (No.RA003<Rev.004>)
BLOCK DIAGRAM
MCU
CVIN
BAT T
BUSY
TH_DET
OPTDET
EN1
EN2
EN3
EN4
A
T
A
D
R
_
L
M
C
D
X
R
PTT
PF1
PF2
RSSI
VOX
RESET
MINVOL
DCSW
APCSW
BLUELED
BSHIFT
INTSPMT
5CC
EMPTT
50VC
LSDO
HSDENC
50RC
33MSC
GRNLED
MIC_MT
EXTSPMT
PLL_DAT A
PLL_CLK
PLL_LE
FM_SDAT A
33M
XIN
X2
19.2MHz
AMP
IC710 2F405VGT6KFAA
LPF
ANT
SW
RF
AMP
RF
AMP
RF
AMP
T/R
SW
RF
AMP
BUFFER
AMP
RF
AMP
CURRENT
DET
DC
SW
DC
SW
DC
SW
DC
SW
BPF
RF
AMP
BPF
1st
MIXER
MCF
IF
AMP
D201,202 RN142S
D203,204 RN141S
B
50T
IC700 EX25064ATA00A
50T
Q208
RD07MUS2BT214
Q206
RFM01U7P
IC200
BA2904FVM
Q210
LTA044EEBFS 8
2SC5455-A
DCSW
APCSW
PC
APCSW
RE1L002SN
Q207
Q203
LTC014EEBFS8
D403,404
1SV305F
Q405
BB506CFS-E
D400,401,402
1SV305F
Q404
D14,15
1SS390
50T 50R
50C
50C
Q10 2SC5636
Q2 2SC5636
Q9 2SC5636
TX
VCO
DC
SW
RX
VCO
DC
SW
RIPPLE
FILTE R
Q6
D5,9
D11
Q8
SSM3J36TUT
D4, D7
Q5
50C
Q7
Q4 KTC4075E(Y,GR)
D10 KDS160E-P
TX/RX
DC
LOOP
FILTE R
CVAD J
LPF
PLL
TRIPLER
PLL_CLK
PLL_DAT A
PLL_LE
PLL_LD
33MS
IC2 AK1541
33MS
MOD1
X1 16.8MHz
50R
Q400
1st IF
49.95MHz
MONOLITHIC CRYSTAL FILTE R
XF400
49.95MHz
KTC4075E(Y,GR )
R
0
5
R
0
5
C
3
3
FM IF
SYSTEM
BUSY
RSSI
33C
IC400
KTC4080E-P
AK2365A
PTT
SIDE1
SIDE2
S601
S602
S603
PTT
PF1
PF2
2nd LOCAL
50.4MHz
BASEBAND
SPO
TXD
AE
50V
OPTDET
MICIN
MICO
SB (7.5V)
IC707
+
-
(7.5V)
J601
EN1
EN2
EN3
EN4
AV R
AV R
DC
SW
DC
SW
SB
IC601
IC606
50M (5.0V)
50T (5.0V)
50R (5.0V)
Q601
5TC
5RC
B (7.5V)
SSM6L36FE
IC705
Q201
Q209
B
DC
SW
50T
Q205
LTC014TEBFS8
RE1C001UN
BB506CFS-E
Q403
NX-340-K, NX-340(U)-K
NX-340-M
NX-340-K3
NX-340-K2, NX-340-P, NX-340-M2
NX-340-M3
TX/RX
1st LOCAL
RX VCO
TX VCO
D13
MCH3914(7)-H
1SV323F
BBY57-02V
BB555-02V
D12
1SV325F
MCH3914(8)-H
BBY57-02V
AMP
50C
Q3
Q1
IC3(2/2)
RE1C001UN
SSM3J36TUT
BD7542FVM
DC
AMP
50C
IC3(1/2)
CVIN
BD7542FVM
50C
DC
AMP
50C
PC
IC704
BU7465HFV
PLL_UL
CML_SSOUT
CML_EPSCLK
CML_EPSI
EEP_DATA I
INT
CML_IRQN
FM_CSN
TX/RX
FM_RSTN
INSPSW
CML_SCLK
CML_CDAT A
ASSISW
CML_CSN
FM_SCLK
FM_PDN
TXD
CML_EPSO
EEP_DATA O
EEP_CS
EEP_SCLK
EEP_WP
REDLED
EEP_CS
EEP_DATA O
EEP_SCLK
EEP_WP
EEP_DATA I
33M
FM_CSN
FM_SCLK
FM_PDN
FM_RSTN
FM_SDAT A
AMP
HSDDEC
LSDI
CML_CDAT A
CML_CSN
CML_SCLK
CML_EPSO
CML_EPSI
CML_RDAT A
CML_EPSCLK
CML_IRQN
CML_SSOUT
LSDI
HSDDEC
33M
HSDENC
LSDO
LSDO
PC
CVAD J
FREQ
FREQ
33MD
XIN
BSHIFT
SM5023CNDH-G
IC713
33MD
33MD
XIN
IC717
CMX7141
BU7465HFV
33B
MOD1
LEVEL
SHIFT
LEVEL
SHIFT
PTT
RXD
AMP
AF
AMP
AF
AMP
DC
SW
SB
50M
INTSPSW
BU7465HFV
NJU7089KV1
IC709
IC708
Q711
Q714
Q715
LTC014EEBFS8
2SB1132(Q,R)
UMG3N
MUTE
SW
, Q716
Q713
TA7368PL
2SK3577-A
DC
SW
DC
SW
Q710
2SB1694
SB
DC
SW
EXTSPM
Q709 LTC014EEBFS8
LTC044EEBFS 8
Q712
MIC
MUTE
VOX
Q704
Q705
Q706
D700, D701
KTC4075E(Y,GR)
2SC4116(GR)F
2SA1586(Y,GR)F
RB706F-40
IC706
D702
D703
BU7465HFV
1SS372F
MC2850
SW
DC
EMPTT
33M
50M
Q708 LTC014EEBFS8
Q707 UPA672T-A
50M
33M
Q703
UM6K34N
PTT/RXD
TXD
VOX
33M
DC
SW
SB
D601
B30-2314-05
LTC014EEBFS 8
Q600
SB
B30-2315-05
D602
Q604
SW
LTC014EEBFS 8
DC
BLUELED
SB
B30-1790-05
D604
Q605
SW
LTC014EEBFS 8
DC
PROTECT
D603 GN1G
DC
SW
MINVOL
SSM3K127TUT
Q603
33C (3.3V)
IC602
AV R
50CC
50CC
50C (5.0V)
IC603
XC6209B332M-G
MM1856A50N
XC6209B502P-G
AV R
50VC
50V (5.0V)
IC604 MM1856A33N
AVR
DC
SW
Q606
33MSC
33MS (3.3V)
33M (3.3V)
Q602
XC6209B502P-G
SSM6L36FE
SSM6L36FE
PROTECT
D600
RESET
IC605
RESET
INT
INT
IC600
RB521S-30-TP
NOTCH
FILTE R
D405
JDV2S07FS
BAT T
33B
(3.3V)
IC703
SSM3J36TUT
BU4830F
XC61CN4502N-G
MM1856A33N
IC715 MM1856A33N
AV R
33MD (3.3V)
AV R
400.05~470.05MHz
400.05~470.05MHz
450.00~520.00MHz
450.00~520.00MHz
350.05~420.05MHz
350.05~420.05MHz
400.00~470.00MHz
400.00~470.00MHz
300.05~350.05MHz
300.05~350.05MHz
350.00~400.00MHz
350.00~400.00MHz
T X V C O
R X V C O
1 s t L o c a l
T X / R X
+
-
BATT
PWR
SW
/VOL
CH SW
ANT
GRNLED
REDLED
EEPROM
S P
INT
INT
SP/MIC
EXT
MIC
TX-RX UNIT (X57-8510-10 (NX-340_K, NX-340(U)_K, NX-340_M), X57-8510-11 (NX-340_K2, NX-340(U)_K2, NX-340_M2, NX-340_M3, NX-340_P), X57-8510-12 (NX-340_K3))