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SECTION 11 BLOCK DIAGRAM
11 - 1
EEPROM
FRONT UNIT
RF UNIT
MAIN UNIT
Explanatory notes
FM IF IC
JACK
UNIT
VR
UNIT
IC501
S
-
812C30AMC
DS510
M4
-
0078TAY
-
2
LCD
EXPAND
MCON PTTSW
PTT
SW
PWR
CTRL
AFONO
AFON
VCC
PTTI
EPTT
EXPAND
D505/D506
DAP222
SP/ESP
SW
Q512
UNR9213J
Q513
UNR9213J
IC509
NJM12904V
IC508
TDA8547TS
IC509
NJM12904V
CLI
CLO
KR
FSCL
FSDA
LRES AFONO
RES PTTI
EPTT MDET
IC13
CD4053B
IC9
NJM12902V
D42
DAP222
IC15
AN6123MS
IC14 CD4053B
MUTE
RMUT
BEEP,BEPO
RMUTO
DA6
AMP
VOXV
DA5
MUTE
SW
IC4
M62364FP
IC4
M62364FP
IC4
M62364FP
Q43
2SK3019
IC4
M62364FP
IC4
M62364FP
IC4
M62364FP
IC17
NJM12902V
Q34
UNR9213J
IC17
NJM12902V
DUSE
CENC0
-
2
REM
CTCSS
/DTCS
SW
IC13
CD4053B
IC14
CD4053B
IC22
CD4053B
IC10
BU8872F
Q40
UNR9113J
Q28
XP4601
DTMF
DEC
DTMF
PD
IC14
CD4053B
NWC1 NWC2 DUSE DTPD SCRM
IC17
NJM12902V
MIC
J1
J2
BUSY
OPT1
OPT2
OPT3
EXST
SSO
SCK
EXOE
CCS
CIRQD
CSO
CSI
CCK
DPDN
DRES
EXPAND
RESET
RES
CPU
IC24
CD4094B
IC8
CPU5
S
-
80942CNMC
OPV1 (DASW)
OPV2 (PMFM)
OPV3 (EMPH)
SIDE3
PTTSW
S4
S3
S5
S6
SIDE2
SIDE1
S702
EMER
MMUT
RMUT
CCS
CIRQA
CSO
CSI
CCK
MCOT
+5V
D
-
IF
MDET
ANASW
TEMP
AFVI
VOXV
+5V
VCC
SENC
DASW PTTO PTTI
S5C T5C PMFM
R5C TMUT EMPH
SDEC
MD1
CDEC
X4
CR
-
818
DDSO
DDAC
DDST
RSSI
Q10
3SK293
IC20
M62334FP
D/A
IC18
HD64F2268TF
TLVA
RLVA
SCK
LVIN UNLK
ISENS
PLST
RSSI NOIS BEEP
DSDA
D21
-
D24
HVC350B
D19
1SV308
Q30
TPC6103
Q31
UNR9213J
Q12 2SB1132
Q13 XP6501
Q8 UNR9213J
D38
MA2S077
DS701
CL
-
165HR
IC6
NJM2870
Q11 2SK1829
D25 MA2S111
RF
AMP
AGC
BPF
ANT
SW
T5V
T5C
S5C
S5V
S5V
VCC HV
PWON
CPU5+5V
PWR
SW
+5V
T2
TMUT
MUTE
SW
PWR
DET
ANT
SW
D604/D607
RB706F
Q601
RD07MVS1
D606
MA2S111
Q602
RD01MUS1
Q603
2SC3356
D14 1SV308
D15 MA2S077
IC601
TA75S01F
APC
AMP
PWR
AMP
PRE
DRIVE
PRE
DRIVE
TX/RX
SW
D601
-
D603
1SV307
LPF LPF
from Battery
BATT +
BATT
-
ANTENNA
400
-
520 MHz
LPF
Q606
UNR9213J
T5V
R5C
CSFT
+5V
PWON
RLED
TLED
LED
SW
Q701 XP1214
R704
AFVI
PWRSW
POSW
PWR
CTRL
CH
SELECT
D36
DAN202U
CBI0
CBI1
CBI2
CBI3
S701
X2
CR
-
764
R5V
SHIFT
SW
ESCL
ESDA
R5V
Q16 2SA1577
Q15 2SA1577
IC9
IC19
24LC512T-I/SM
NJM12902V
VREF
VREF
CPU5V
Q14 2SA1577
T1
T2T1
CENC0
-
2
DMI
DMO
VREF
DISC
VCC
AFONO
BEPO
DISC
AFOUT
REM
PM/FM
SW
Digi/
Ana
Digi/
Ana
DATA
SW
AMP
DET
DASW
DAFO
MODD
IC9
NJM12902V
Digi/
Ana
DASW
MOD
BAL
DA4 DA2
PTTI PTTO
AMP DA7
PMFM DASW
LPF
SENC
TENC
LPF
Pre
-
Emph
VREF
MCOTMCIN
AF
AMP
ALC
AMP
DA3
IC508
TDA8547TS
SP1
+
-
AF
AFO
3
4
1
2
7
8
9
5
6
RES
VCC
OPTV
EMIC
EPTT
CLI
CLO
MP801
MC501
MIC SW
PTTI
AFONO
MCON
EMPH
PTTSW
AMP
MCIN
Q506 UNR9113J
D504 MA2S111
Q515 2SK3019
Q516 UNR9213J
AF
AMP
MDET
AF
AMP
AF
AMP
D502/D503 MA2S728
Q505 UMG2N
Q514 UNR9113J
Q501 2SB1132
Q502 XP6501
D508 DAN202U
IC9 NJM12902V
D41 MA2S111
IC13
CD4053B
De
-
emph
EMPH
AMP
MIC
AMP
HPF
Digital
HPF
HPF LPF
LPF
AMP
LIMIT
AMP
Comp
Expand
Pre
-
Emph
De
-
Emph
De
-
Scram
IC5
AK2346
X3
CR
-
765
NWC1
MUTE
SW
FI4
FL
-
335
XTAL
BPF
XTAL
BPF
BUFF
BUFF
LO
AMP
VCO
SW
MUTE
SW
N/W
SW
46.35 MHz
Q9
3SK324
LPF
353.65
-
473.65 MHz
D28/D29
HVC350B
BPF
T2
N/W
SW
D
-
IF
Q24
2SC4116
D16 MA2S077
D17 MA2S077
TX : 400
-
520 MHz
RX : 353.65
-
473.65 MHz
PLST
SSO
SCK
Q18
2SC4116
×3
TCXO
REF
DA8
CPU5
BAL
15.3 MHz
AMP
X1
CR
-
826
BPF
COMMON LINE
CONTROL LINE
TX LINE
RX LINE
VOLTAGE LINE
DATA LINE
IC1
LMX2352TM
Q19
2SK880
IC21
NJM2904V
IC4
M62364FP
D33 DAN235E
Q26 UNR9113J
FI2
CFWC450G
D32 DAN235E
IC3
TA31136FN
X5
CDBC450CX24
UNLK
NWC2
NWC2
450 KHz
FI3
CFWKA450KHFA
SQL DET RSSI NOIS
D11
MA368
D10
HVC350B
Q32
2SK3019
D6
HVC350B
D2
HVC350B
TLVA
RLVAOUT1
OUT0
BUFF
AMP
Q25
2SC4215
MOD
BPF
CERAMIC
BPF
CERAMIC
BPF
N/W
SW
N/W
SW
R5V
MOD
LV
ADJ
LV
ADJ
LV
SW
LOOP
FIL
RIPPLE
FIL
Q17 2SC4116
PLL
IC
LVIN
BUFF
S5V
LV
ADJ
D34
DAN235E
D35
DAN235E
Q5
2SC5700
Q21/Q22 XP1214
Q23 UNR9213J
Q3 2SC4226
TXVCO
RXVCO2
Q2 2SC4226
D5 HVC383B
D6 HVC350B-E
D9 HVC383B
D10 HVC350B-E
Q1 2SC4226
RXVCO1
D1 HVC383B
D2 HVC350B-E
Q4
2SC5107
BUFF
Q7
2SC5107
Q6
2SC5107
OUT1
R5V
FI1
FL
-
401
NWC1
NWC1
NWC1
Q41
2SC4116
Q42
2SC4116
Q27
UNR9113J
D37
MA8051
Q35
UNR9213J
MD
SW
DET
LPF AMP
DTPD
+5V
Scram
AFOUT
CP6
CP2
EPTT
CP3
CP4
CDEC
DET
DISC
FSDA
FSCL
DS501
-
3 SML
-
A12MT
DS504
-
9 SML
-
310MT
Q507 UNR9213J
Q508 DTA114EU
Q509 DTB123EK
LED SW
SPCON
KR
10KEY
MATRIX
+3V
REG
FSDA
FSCL
LIGH
IC505
M62320FP
IC506
M62320FP
KR0KS0
KR1KS1
KR2KS2
KR3KS3