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10 - 1
SECTION 10
BLOCK DIAGRAM
CHASSIS
ANT
LPF
PLL
IC
MIC
MUTE
MATRIX
LCD
EEPROM
DRIVER
ANT
SW
PWR
AMP
DRIVE
PRE
BUFF
AM PWR
CTRL
ALC
AMP
LPF
BUFF
BUFF
FIL
LOOP
FIL
RIPPLE
CR-791
X2
BPF
RF
AMP
BPF
BPF
XTAL
IF
AMP
IF
AMP
BPF
CERAMIC
FM
DET
CDBC450CX24
X1
IF
AMP
IF
AMP
IF
AMP
AM
DET
AGC
AMP
AGC
AMP
ATT
BUFF
BPF
BPF
[IC-A24/A24E] only
FM
DET
LPF
AMP
MATRIX
+5
REG
DIAL
CHASSIS UNIT
E
UP
DN
VOL
PWR
AMP
BUFF
LPF
LPF
BUFF
ALC
AMP
VCO
SW
BUFF
EXT MIC
J2
EXT SP
J5
EXT DC-IN
J1
BATTERY PACK
7.2V
DETECT
BA
TTER
Y
X1
CR-747
RESET
D/A
AGC
AMP
AO2
MMUTE
EMBI
DCIN
VIN
DCC
HV
VO
R
D
VO
R
C
VO
R
S
T4
T3
T2
T1
DETMUTE
WXC
ANLC
RSSI
ALCC
AFC
R5C
TXC
AO3
AGCOFF
SHIFT
LV
COMMON LINE
VOLTAGE LINE
DATA LINE
RX LINE
TX LINE
POWER
DET
ALC
ATT
MOD
ATT
LO-SW
S OUT
CMP
CMP
BIAS
AMP
PHASE
SHIFT
VOR
CTRL
LED
DRIVE
LCD
BACK-
LIGHT
BACK-
LIGHT
KEY
INITIAL
KEY
+5V
CURRENT
AMP
TEMPERATURE
DETECT
MIC
CONTROL
IC1
CPU
µ
PD78F0338GC
+5V
EXT PTT
DETECT
ELECTRO-
VOLUME
NIC
AF AMP
REG
EXT-MIC
REG
ALC
CONTROL
AM/FM
SW
SHIFT
RESISTOR
LOGIC UNIT
RF UNIT
RSSI
AMP
ANL
SW
VOR
SW
INT SP
CHARGE
BATT
DC SW
ANL
NOISE
DET
VOLUME
NIC
ELECTRO-
ELECTRO-
NIC
VOLUME
(9.8304MHz)
Tx 118.000 - 136.975 MHz
Rx 108.000 - 136.975 MHz
161.650 - 163.275 MHz
LO FREQ.
Rx 77.950 - 106.925 MHz
131.600 - 133.225 MHz
30.050 MHz
0.450MHz
77.950 - 106.925 MHz
118.000 - 136.975 MHz
IC17
M62363FP
IC17
M62363FP
IC17
M62363FP
Q2
RD12MVS1
Q3
RD01MUS1
2SC3357
Q4
D4
1SV246
Q5
2SC4211
Q1
XP1401
D2, D3
MA728
×
2
IC16
M62343GP
Q56 XP4601
D37 MA2S111
Q6
2SC4403
D5, D51
1SV246
×
2
D6, D17 MA77
×
2
Q28
2SC4403
Q60
2SC4226
Q29
2SC4403
RX VCO
TX VCO
Q58 2SC4226
D38, D48 HVC350B
×
2
Q59 2SC4226
D39, D45-D47
MA2S304
×
4
Q57 XP1113
Q33 2SC4116
D1, D8, D9
HVU131TRF
×
3
T5
D29
1SV271
Q9
2SD1819A
D13
MA2S304
Q10
2SD1819A
Q11 3SK293
D14-D16, D44
D43 MA2S077
MA2S304
×
4
Q12
3SK299
Q13
2SC4215
(29.6MHz)
IC3
TB31207AFN
Q45
2SK880
REG
Q7 2SB1132
Q8 2SC4211
D7 MA111
R5S
IC1 TA31136FN
Q15 2SC4215
Q16 2SC4215
Q17
2SC4215
D40 1SV271
D41 1SV271
Q18
Q21
UNR9210J
Q19
UNR9215J
D18
MA785
IC2
TC4W53FU
REG
T5
R5S
IC13 NJM2107F
Q20 UNR9115J
Q24 HAT1024R
D19 RB060L
D22 MA2S728
Q40 2SA1588
Q22 2SB1201
D21 MA133
Q41 2SC4617
Q39 UNR9213J
D20 SB07-03C
D32 MA2S111
Q25 2SB1132
D23 MA133
Q26 UNR9211J
Q50 2SA1586
D36 MA2S111
Q51
UNR9211J
ECM
MC1 EM-140
D19 MA8051
Q16 UNR9213J
LOGIC UNIT
IC19 NJM2107F
IC15 AN6123MS
Q52
XP4315
Q35 2SB1201
Q36 XP1501
D27 MA111
IC6
TA7368F
I/O
CLONE
BATT-V
DETECT
IC5
D31 1SS400
IC18a
IC18b
IC18c
LMV324IPW
IC18d
Q5 UNR9210J
D11 MA2S111
EXT-DC
SENS.
D7 MA8082
Q3 2SC4617
Q4 2SB1182
Q7 XP1501
D10 MA2S111
IC16
S-812C50BMC
IC3 XC6202P502PR
IC2 BD5245G
D5 MA24111 [IC-A24/A6] only
D6 MA2S111 [IC-A24/A24E] only
D1 MA2S111
D2 MA6S121
DRIVE
LED
DS1
A0280
DS2, DS3
SML-A12MT
×
2
Q8, Q9
UNR9213J
×
2
DS5 - DS10
SML-512MW
×
6
Q1 2SB1132
Q2 2SC4211
Q15 XP4315
IC12a NJM2902V
IC12b NJM2902V
IC12d NJM2902V
IC12c NJM2902V
IC11a NJM2903V
IC11b NJM2903V
D16 MA2S111
IC13a NJM2904V
IC13b NJM2904V
IC14a NJM2903V
IC14b NJM2903V
Q13 2SC4211
D17 MA2S111
IC7 S-24CS64A0I
TX-VCO
RX-VCO
EXT-V
D30 1SS400
DETECT
VCC
CLONE IN
CLONE OUT
CPU5V
REG
CHGC/CHGIH
BU4094BCFV
(A01)
CK,D
A
T
A,RFSTB
SCK,SD
A
T
A,D
A
1STB
ELECTRO-
NIC
IC17
VOLUME
M62363FP
SCK,SDATA
DA2STB
D
A
2STB
SCK,SD
A
T
A
D
A
2STB
SCK,SD
A
T
A
D
A
2STB
SCK,SD
A
T
A
SW
2SD1819A
Q61
AGC
Q14
UNR9210J
VCC
T5
VCC
+5V
+5V
+5V
PCK,PDATA,PSTB
R5S
R5S
R5S
R5S
LV
DET
VOLT
KS0~3
KR0~4
LIMIT
Q6 UNR9110J
2SC4211
FI2
FI1
D18 MA2S077
D8 MA2S111
LMV324IPW
LMV324IPW
LMV324IPW
FL-378
D42 1SV271
CFWCA450KDFA
D52 MA2S111
DETECT
JACK