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SECTION 9
BLOCK DIAGRAM
• RC-21 (CONTROLLER)
FRONT UNIT
POWER
IC11
SW
TA7805F
+5
REG
D8: RD9.1M
Q8: 2SD1899
Q11: 2SD1664Q
+8
DS4
REG
DLC-7978P
Q4: 2SC1623
LCD
Q5: 2SB1015-Y
LAMP V
D3: RD9.1M
LAMP
DRV
IC2
HD66100F
DRIVER
Q1: DTC114EKA
DIM
Q2: DTC114EKA
CTRL
Q3: DTC114EKA
IC1
HD6433832SD20F
AF
X1
VOLUME
CR-513
9.8304 MHz
FRXD, FULD, A3RX, A4RX
CPU
GROUP
DIAL
FTX0, A2TX, FRST
CHANNEL
DIAL
RESET
EEPROM
CTRL
CLARITY
IC3
IC7
VOLUME
S-80741AL
X24C01AS-3.0T6
Q6
2SC1623
Q4
1SS184
SW × 25
Q13: 2SC1623
Q14: DTC114EKA
D9: 1SS184
D10: 1SS184
RGC
DET
IC12
NJM4558M
RF
MIC
AMP
BEEP
MIC BOARD
IC10
IC9
MSEL
GAIN
TC4S66F
M5282FP70CD
CTRL
Q9
DTC114EKA
Q12
DTC114EKA
SQL
AF
AMP
GATE
CTRL
LEFT SIDE
9 - 1
• IC-M710RT
REAR UNIT
IC1
SC-1288
Q2: DTC114EKA
Q3: DTC114EKA
X1
Q4: 2SC1623
CR-508
5.0688 MHz
TX
DRV
SERIAL
INTERFACE
IC2
HD26C32AFP
RX
DRV
EXT. AF
EXT
MOD
IC3: NJM311M
IC4
Q1: DTC 114EKA
IC6
D1: DA221TL
TA75S01F
NJM2902V
PWM
AMP
LPF
MOD
DSC
MOD
IC35
TC7W32F
NMEA
I/F
Q104
2SC4116
CLONE
I/F
IC32
IC34
TC4S81F
TC7W04F
EXT-SP
IC8
TA7252AP
SW5
RL1
AG201344
RF
[SPEAKER]
AMP
-5V
Q147
2SC2873-Y
SP
Q75
CTRL
1SS302
SP OFF
8V
T8
RX LINE
TX LINE
R8
COMMON LINE
LINE
CPU5
DATA BUS LINE
IC8 : LA1150N
Q15
Q13
D17
Q9
Q11 : 2SC4116
2SK210
UN5211
2SC4116
HSM88ASR
NB
NB
NB
NOISE
NOISE
NB
SW
SW
DET
AMP
AMP
CTRL
SSB FI2 FL-30
XTAL
NB
BPF
AGC
GATE
AMP
CTRL
AM FI3, FI4: FL116 (×2)
Q14
UN5111
Q12
D52
FI1b
XTAL
2SC4116
HSB88WSTR
FL-120
BPF
IF
NB
XTAL
9.0115 MHz
BPF
LPF
AMP
GATE
BPF
Q34
IC18a
Q16
D15, D16
9.0115 MHz
10 MHz
69.0115 MHz
2SC4116
NJM4558M
3SK131
MA862 (×2)
2LO
FIL
KEY
ATT
ATT
SEL
CTRL
Q17
MODE
2SD1619
SIG
IF
IF
IF
AMP
AMP
AMP
CW KEY
Q18
Q19
2SC4116
3SK131
D46
HSM88ASR
ALC
ALC
ALC
Q43, Q44
Q31
AMP
AMP
AMP
UN5111 (×2)
2SC4213
DET
Q126
AGC
IC17a
IC17b
AGC OFF
CARR
DET
NJM4558M
NJM4558M
2SK210
CTRL
CTRL
Q41
BUFFER
2SC4213
AGC
BFO
AGC
AGC
Q30
AMP
DET
2SC4116
D31
IC10
IC20b
HSM88ASR
NJM1496V
NJM4558M
IF
IF
AF
AMP
AMP
AMP
D39
Q45
Q32
Q33
HSM88ASR
2SC4116
3SK131
3SK131
AM
BUFFER
DET
IC20a
IC19b
IC19a
D40
IC21a
IC22
NJM4558M
NJM4558M
PD4001BG
NJM4558M
ISS302
NJM4558M
CW
F/V
AF
METER
VOICE
FSK
LPF
AMP
DET
CONV
AMP
SQL
3 MHz
IC12a
Q46
UN5111
TC4W66F
GATE
SQL
GATE
CTRL
SQLS
SQLC
BFO
IC9
NJM1496V
BACK
IC39a
IC38a
IC1
UP
TC4W66F
TC4W66F
S-7116AF
EXT
C502
ALARM
TONE
MOD
BUFFER
GATE
GATE
FYLOH473Z
GATE
CPU
AMS
Q1
RESET
ALMS
2SC4116
CTRL
IC44
X1
HD64F2132FA20
BUFFER
CSAC3.58MGC300CD
AF
IC45
Q119
S-80741AL
IC38b
ALARM BOARD
2SC4116
TC4W66F
MOD
GATE
IC12b
X2
MMS
TC4W66F
Q141
CR-567
IC41a
9.8304 MHz
TC4W66F
ALARM
UN5111
GATE
INC
EXT
BUFFER
DMS
MOD
GATE
GATE
ALMS
INC
Q151
IC39b
UN5212
TC4W66F
BUFFER
Q106
Q140
Q101
2SA1586
UN5211
DNA222TL
IC42
TA75S01F
IC5
IC4: NJM311M
IC1
CTRL
TA75S01F
Q11: 2SA1586-GR
SC-1288
PWM
AMP
IC35
BUFFER
MOD
TC7W32F
FPON
IC6
CPU
Q149
IC7
TC4S81F
2SC4116-GR
NJM2902V
LPF
BUFFER
SIDE TONE
BUFFER
IC3
5V
DS14C232TM
RS-232
5
RS232
9
I/F
IC43
4
IC2
I/F
TA7805F
DRV
+5
8
HD26C32AFP
REG
Q10
3
2SC4116-GR
7
-5
2
DC-DC
BUFFER
6
IC23
PC1555G3
1
Q148
2SA1213
Q9
Q229
1SS302
2SC4116-GR
IC24
TA7808F
+8
BUFFER
REG
Q61
I/F
I/F
2SD1619-T-TD
DRV
DRV
T8
REG
Q143: 2SJ349
Q4: 2SC4116-GR
Q3: 2SC4116-GR
5V
Q144: UN5211
Q62
Q8: 2SA1586-GR
Q7: 2SA1586-GR
2SD1619-T-TD
R8
13.6
DC SW
REG
IC40
S-81250PG-PD-T1
+5
CTRL2 BOARD
5 4 3 2
1
REG
PW ON
MAIN UNIT
Q6
2SK2171
FI1a
FL-120
LPF
IF
XTAL
LPF
0.5—2 MHz
HPF
AMP
BPF
Q8
30 MHz
1.6 MHz
89.0115 MHz
BPF
3SK131
Q7
2
—
3 MHz
2SK2171
Q1
BPF
2SC4673D
Q3
3SK131
3
5 MHz
—
AMP
ATT
Q2
3SK131
BPF
ATT
LPF
AMP
5
7 MHz
—
Q8
Q1
39 MHz
BPF
2SC1971
2SC3133
7
—
10 MHz
Q4
AMP
AMP
3SK131
LO
1LO
BPF
LPF
AMP
10
—
14 MHz
Q5
100 MHz
IC16b
2SC4673D
NJM4558M
BPF
AMP
TX-G
14
—
18 MHz
CTRL
Q2
2SC3133
BPF
18
24 MHz
—
IC2
BIAS
Q6
NJM4558M
Q111
BPF
2SD1585
2SA1586
IC
BIAS
24
—
30 MHz
APC
IC1
APC
CTRL
TA7808S
REF
ALC
S1
S2
MFOR
AMP
FOR
OHD-3
OHD-3
AMP
Q23
BUFFER
HEAT
FAN
2SC4116
IC16a
CTRL
SW
IC4
NJM4558M
TD62783AF
PA150W BOARD
BUFFER
POC1
IC31
IC5
POC2
FILTER
SEL
MC14028BF-EL
TD62783AF
MODE
IC6
SEL
TD62783AF
IC46
EEPROM
X25320S81-2.7T6
Q24
Q21
2SC4215
2SC4215
1LO
LO
BPF
BUFFER
AMP
69.5115—99.0114 MHz
2LO
×2
BPF
60 MHz
Q2
2SC4215
Q7
30 MHz
2SC4215
BUFFER
X1
CR-282
IC6
TC7SU04F
IC1 SC-1246A
Q1
IC2
IC8
AMP
2SC4215
SC-1287
TC7SU04F
LPF
D/A
DDS
AMP
BFO
ATT
IC3
TA7805F
+5V
5V
13.6
REG
8V
I/F
I/F
DRV
DRV
Q2: 2SC4116-GR
Q1: 2SC4116-GR
Q5: 2SA1586-GR
Q6: 2SA1586-GR
CONNECT
RL2
30 MHz
RL17
FBR20D12P
AGP2013
RX
LPF
TX
Q78
2SC4116
DET
MUTE
LPF
L0
0.5
—
2 MHz
D9:
MBD701 [Marine]
LPF
L1
1SS165 [General]
PWR
2
3 MHz
—
D10: MBD701 [Marine]
DET
1SS165 [General]
Q3
LPF
L2
2SC2904
3
5 MHz
—
AMP
LPF
L3
5
—
7 MHz
LPF
L4
AMP
7
—
10 MHz
Q4
2SC2904
LPF
L5
10
—
14 MHz
LPF
L6
T8
14
20 MHz
—
LPF
L7
20
30 MHz
—
FILTER BOARD
TERMINAL BOARD
13.6
+
DC
—
GND
FAN
VFA-8018
KEY
START
13.6
GND
To TUNER
PA UNIT
IC5
Q4
Q3
LC7153M
2SC4215
2SK2171
LOOP
BUFFER
PD
1/M
FIL
Q8
2SC4215
LO
1/N
AMP
Q6
2SC4116
10.65—10.75 MHz
LOOP
BUFFER
FIL
Q5
2SK210
DDS
PD
LPF
AMP
Q11
2SC4215
AMP
D/R
BPF
IC4
FI1
TC7SU04F
SFECA10.7MA5
RX
LINE
TX
LINE
COMMON
LINE
LINE
DATA BUS
LINE
PLL UNIT
RIGHT SIDE
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