SECTION 10
BLOCK DIAGRAM
DATA BUS LINE
CONTROL LINE
RX LINE
TX LINE
COMMON LINE
Explanatory notes
Q32 DTC144EU
SW
DIM
HORN
DISC
DET
PTT
IN
ACC
Q33 DTC144EU
SW
DIM
HORNO
EPTT
SW
LINE
MOD
VCC
DSA3A1
D22
PROTECT
MD1
PWON
Q41 DTA144EU
D28 DAN222
SW
PWR
SW
POWER
HV
19.66 MHz
HN58X24128FPI
CR-520
X4
MA77
D27
EEPROM
SW
IC23
FRONT UNIT
AF VR
D4, D5, D6: MA2S111
PWR
DN
∗
2
UP
∗
2
P0-P4
AFVI
POSW
ESDA
ESCL
KR0-KR2
KEY MATRIX
OPC-453
W2
IC24
S-80942ANMP-DD6
CSFT
RES
RESET
SHIFT
DTC144EU
Q24
2SJ377
Q23
CPU5
+5
REG
AN78L05M
IC10
Q38
REM
DTC144EU
CENC2
TENC
DUSE
SW
FIL
D23 DA221
IC9 TA7808F
Q29 DTC144EU
8V
T8V
R8V
TXC
TMUT
Q25 2SD1664
Q26 2SD1664
REG
T8
REG
R8
REG
+8
E
D
F
SIG
SIGOUT
D26 MA2S111
Q31 2SJ144
J6
PROG
IO
MD1
RES
XRTS
XCTS
IGSW
PGO1, 2
PGI1-3
XRXD
XTXD
USB
232C
MAP27
FLAH
J9
NRXD
J8
NTXD
GPS
Q44 DTC144EU
D37 DAN222
D36 DAN222
D35 DAN222
DTC144EU
Q42
SIGOUT
AFONO
REM
BEPO
MCOT
MCIN
PTTO
PTTI
SCK
BUSY
OPV3 (AFCL)
OPV2 (AMSK)
OPV1 (APST)
J1
OPT3
OPT2
OPT1
CCS
MMUT
RMUT
SO
SI
CIRQ
UNIT
OPTION
AFCL
ARDT
ARTM
SO
APST
ADIN
ATRD
SO
SCK
DAST
SCK
AMSK
D24 DA221
LC73872M
IC19
Q30 DTC144EU
5V
DDSO
DDAC
DDST
DEC
DTMF
2SC4116
(J1)
3.58 MHz
CR-563
IC14
X3
TC35453F
Q28 XP6501
Q27 2SB1132
MCIN
COMPANDER
REG
+5
Q43 DTC144EU
LINH
SW
LPF
LPF
TONE
SENC
Q37
2SC4116
Q36
(J1)
MCOT
2SC4116
CENC1
CENC0
DSDA
SCK
CPU
HD64F2268TF
IC20
LINH, LCS, LCK, LSO
FSW
HORN
LC75824W
COM1-4
SEG1-40
KS0-KS2
IC1
LCD DRIVER
DIM2
DIM1
8V
DS7-DS11
DS1-DS6
8V
Q1, Q4: DTA144EU
Q2, Q3: DTC144EU
SML-311YT
SML-311YT
SW
LED
CLO CLI
AFO
MIC
MIC JACK
PTT
J1
D1, D2, D3: RB706F-40
TC75S51F
IC2
L1-0483TAT
Q48
DTC144EU
J6 PAAF
C
PTTO (J1)
PTTI (J1)
DS12
LCD
MICI
AF
AMP
SW
D31 DAN222
DTC144EU
Q50
SW
DTC144EU
Q49
PA
SW
NJM12902V
IC21
M62334FP
IC7
TONE
CTCS
SIG
TC4W53FU
IC15
PM/FM
AMP
D/A
A
DER
EXPAN
Q21
DEMOD
MSK
HPF
AMP
LPF
LPF
HPF
AMP
AMP
LPF
LIMIT
AMP
AMP
HPF
BUFF
HPF
AMP
BPF
MOD
MSK
NJM12902V
CTCS
MICO
IC6
IC21
M62364FP
SSOR
COMPRE
D/A
DUSE
DISC
TENC
MICI
B
BAL
REF
MOD
TC4S66F
IC22
XP1214
Q35
SW
FIL
CDEC
NJM12904V
IC5
NJM12902V
IC21
LPF
LPF
SDEC
SW
FIL
RATION
RESTO-
450 kHz
NOIS
DET
SQIN
CDBC450CX24
X1
Q6 DTA144EU
Q5 2SC4116
NWC
SW
W/N
ALFYM450F=K
FI2
RSSI
SQL AMP
DETECTOR
2SC4213
Q20
FSW
SW
FIL
MIXER
XTAL
BPF
TONE
BEEPO
BEEP
NJM12902V
IC21
W/N
DTC144EU
Q22
SW
NWC
T3
BPF
BPF
LPF
D/A
T4
TC4S66F
IC25
MOD
M62364FP
IC6
Q40 DTC144EU
Q39 DTC363EK
TA75S01F
IC18
AFONO
AFON
AMP
Q2
3SK293
T2
H
G
LA4425A
IC8
T1
J4
SP-
SP+
INT SP
MA2S111
D32
TMUT
SW
MUTE
DET
PWR
MA2S111
D33
D8 HVC350B
TC75S51F
IC2
T4
BPF
AF
AMP
AF
MUTE
BPF
RF
AMP
GATE
CTRL
MA2S111
D25
D4 HVC350B
Q1 2SK1829
D10 HVC350B
D9 HVC350B
RX LO
353.65-473.65 MHz
Q3
3SK272
RSSI
[EUR]
[USA], [GEN]
FL-335
46.35 MHz
Q12
Q4
FL-313
FI1
2SC4215
2SC5107
D17 HVC350B
D18
IC1
TA31136FN(D)
MA368
2SC4226
Q14
TX VCO
MOD
LPF
IF AMP
SECOND MIXER
DET
UNLK
SCK
SO
PLST
Q34
2SC4116
x3
45.9 MHz
15.3 MHz
FRACTIONAL N
MOD
BPF
HVC362
D21
IC11
AMP
TC75S51F
BAL
REF
D20 MA2S111
Q19 SC4215
CR-671A
8V
X2
SA7026DH
IC4
2SK880
Q18
BUFF
LOOP
FIL
RIPPLE
FIL
PLL IC
LVIN
MA2S111
D19
D16 HVC350B
2SC4226
Q13
2SC4116
Q17
RX VCO
TXC
D14, D15
TX/RX
SW
Q11
BUFF
BUFF
AMP
CERAMIC
BPF
BUFF
LPF
Q16
Q10
XP1214
Q15
DTC144EU
2SC5107
2SC5107
MA77
SW
VCO
MAIN UNIT
RA30H4047M [L]
RA30H4452M [M]-25W, [H]
RA45H4452M [M]-45W
IC3
2SC5107
Q9
YGR
AMP
PRE
DRIVE
PWR
AMP
LPF
LPF
LPF
ANT
SW
APC
AMP
2SC3356
Q8
D2 UM9401F
D6 MA77
D5 MA4PH224
D1, D11
MA728
400-520 MHz
10 - 1
