![background image](http://html1.mh-extra.com/html/icom/ic-f6021/ic-f6021_service-manual_4280955036.webp)
12 - 3
*; Refer to “PARTS LIST.”
R1
100k
R38
100k
0.001
C64
3P
C308
R39
47
47P
C63
R40
1.5k
R36
3.9k
0.001
C348
0.001
C67
TA31136FNG
IC1
1
OSCIN
2
OSCOUT
3
MIXOUT
4
VCC
5
IFIN
6
DEC
7
FILOUT
8
FILIN
9
AFOUT
10
QUAD
11
IFOUT
12
RSSI
13
N-DET
14
N-REC
15
GND
16
MIXIN
100P
C61
R43
470
0.001
C66
R44
220k
0.
1
C71
R45
150k
0.001
C65
TA75S01F
IC19
1
2
3
4
5
R103
150k
47P
C152
R93
1k
47P
C153
0.
1
C151
10k
R340
M B15A02PFV1
IC4
1
OSCIN
2
OSCOUT
3
VP
4
VCC
5
DO
6
GND
7
LD
8
FIN
9
CLOCK
10
DATA
11
LE
12
FC
13
NC
14
FOUT
15
P
16
B
0.
1
C140
100P
C157
47P
C154
HV
T8V
R8V
8V
5V
CPU5V
REF
BAL
NWC
T1
T2
TMUT
TXC
RXC
MOD
F
SCK
SO
SQIN
NOIS
DISC
RSSI
LVIN
TEMP
UNLK
PLST
TLVA
RLVA
DAN235E
D57
DAN235E
D56
R37
2.7k
ERDS2T0
W1
L1
AS080340
AS080340
L2
0.001
C
87
47P
C13
0.001
C344
NFM60R20T152
FI5
1
2
3
470P
C345
0.001
C366
NFM60R20T152
FI4
1
2
3
NFM60R20T152
FI3
1
2
3
L16
AS080340
7P
C334
47P
C346
L5
1U
470P
C12
D3
L407CD
12P
C335
47P
C84
0.001
C85
47P
C368
0.001
C377
RA45H4452M
IC3
1
IN
2
VCC1
3
VCC2
4
OUT
5 6
R8
100
470P
C367
0.01
C76
R57
10k
0.001
C81
TA75S01F
IC2
1
2
3
4
5
0.0047
C80
R58
100
Q20
2SC4116
R54
10k
0.22
C79
R56
150k
2.7k
R308
0.001
C77
L4
18.3N
D6
1SV307
D5
L709CE
0.001
C19
L37
0.1U
0.001
C96
L19
27N
R68
10k
D14
1SV307
39P
C44
8
10P
C100
0.001
C107
0.01
C108
47P
C106
0.001
C95
R69
4.7k
Q10
2SC5107
0.001
C109
R71
33
470P
C301
Q11
2SC5107
R73
100
0.
1
C139
0.5P
C118
0.
1
C357
R316
1k
0.01
C119
470P
C120
Q13
2SC4226
470P
C117
0.001
C116
Q14
2SC4226
10P
C123
Q17
MAIN-A UNIT (2/2)
2SC4116
R98
2.2k
47P
C412
0.001
C414
R87
10
D53
HVC350B
390k
R293
390k
R295
47P
C144
R86
220k
180k
R294
180k
R296
D3
3
HVC350
B
D1
6
HVC350
B
1
C413
1
C350
1
C418
D52
HVC350B
R90
470k
R291
100k
R317
1k
R77
2.2k
0.001
C141
0.001
C143
R100
47k
Q18
2SK880
R89
10k
0.001
C132
CP1
CP05S
0.001
C142
0.
1
C200
R210
100k
HVC350B
D20
2SK1829
Q1
D4
HVC350B
R14
10k
0.001
C28
HVC350B
D8
D21
HVC350B
470k
R320
47P
C33
0.001
C32
0.001
C34
Q2
3SK293
47P
C333
0.001
C38
5P
C49
L36
56N
2P
C423
180P
C400
47P
C391
2P
C401
0.001
C36
L53
39N
D9
HVC350B
0.001
C42
D10
HVC350B
0.001
C50
0.001
C343
R22
10k
D19
HVC350B
0.5P
C40
0.001
C51
0.001
C57
0.01
C53
R31
100
1.5P
C101
Q4
2SC4215
0.001
C58
R290
680
R35
100
47P
C68
0.1
C396
0.1
C384
0.1
C385
0.1
C394
10P
C304
Q34
2SC4116
0.01
C309
R237
680k
7P
C307
56P
C305
4P
C306
R236
1.2k
0.1
C395
R104
82k
0.01
C135
180P
C446
0.001
C59
0.01
C314
0.001
C337
R211
56
0.
1
C112
FL-335
FI1
1
IN
2
OU T
3
GND
4
GND
5
6
0
R41
0.01
C398
0.01
C399
0.01
C397
0.01
C312
0.001
C411
0.001
C163
12N
L45
2P
C297
0.001
C390
12P
C126
4P
C114
0.75P
C113
0.22 SV
A
C149
15P
C122
R328
0
R339
0
L22
33N
R74
120k
R76
100
R70
100
0
R311
R234
68k
L21
27N
1P
C358
R50
10k
R235
100
3.5P
C98
R7
2
100
R61
47
22N
L18
6P
C90
6P
C89
C82
1.5P
R52
150k
R48
180k
R53
470
R51
39
0k
R59
220k
1SS375
D12
D11
1SS375
D1
1SS375
0.001
C409
C1
4P
5P
C2
5P
C8
AS080340
L6
AS080340
L3
0.5P
C5
0.5P
C4
0.001
C14
7P
C21
2.5P
C22
R19
100k
R17
10
0.
1
C31
150k
R301
R302
56k
10P
C52
L13
0.82U
R1
6
100
R209
ERTJ0EP473J
0
R212
L9
12N
L11
12N
12N
L56
R84
6.8k
R83
6.8k
R85
6.8k
R79
6.8k
0.01
C60
0.01
C162
0.
1
C160
120P
C70
120P
C69
R46
2.2k
100k
R42
X1
JTBM450CX24
CR-794
X2
1
VCON
2
GND
3
OUT
4
VCC
LTM450FW
FI2
I
O
MMZ1005Y102C T
EP7
MMZ1005Y102CT
EP8
XP1214
Q15
1
2
3
4
5
L35
0.22U
L33
0.82U
MMZ1005Y102CT
EP1
0.1
C347
Q5
DTC144EU
Q16
DTC144EU
DTC144EU
Q6
10
C75
10
C148
R7
10k
R4
10k
R9
10
k
27k
R350
27k
R351
8.2k
R354
470P
C99
470P
C303
470P
C447
47
0P
C376
470P
C97
470P
C372
470P
C110
470P
C11
470P
C74
470P
C408
470P
C10
470P
C88
C72
470P
470P
C105
470P
C417
470P
C138
470P
C388
470P
C54
47P
C48
470P
C37
470P
C27
470P
C43
470P
C155
470P
C111
180P
C340
180P
C86
180P
C336
470P
C78
R106
82k
3179
MP 1
1
2
3
4
R220
10k
470P
C145
UNR9111G0
Q40
D15
MA2S077G0
D37
MA2S1110G
0.001
C150
D TC144EU
Q19
2P
C102
10P
C103
0.001
C104
R75
56
k
L41
15N
1P
C285
Q12
M T3S37T
0.75P
C286
1P
C161
0
.33 SV
A
C146
2.2 MSVA
C147
R95
1.8k
R96
2.2k
R97
1.5k
R105
180k
R110
270k
R222
47k
47P
C166
8.2k
R352
3.3k
R353
R34
100k
4P
C55
56k
R300
180k
R299
R15
270k
0 .01
C165
47P
C302
4P
C421
6P
C9
6P
C15
47P
C25
22P
C20
18P
C26
L7
20.0N
L8
20.0N
2P
C192
22P
C41
10P
C429
0.3P
C392
10P
C45
3.5P
C44
10P
C39
1P
C193
4P
C402
4P
C403
HVC350B
D62
HVC350
B
D63
R80
560
L20
22N
7P
C92
R20
5.6k
0.82U
L46
0.001
C287
DA221
D66
100
R12
R78
470
L27
47N
R92
150k
R101 100
HVC350
B
D6
4
HVC350B
D65
R289
18k
5P
C121
12N
L57
47P
C453
0.001
C454
1k
R161
1k
R162
1k
R163
LTM450GW
FI6
I O
L28
0.82U
0.82U
L47
L54
0.82U
2.2 MSVA
C342
47P
C458
47P
C457
47P
C459
47P
C460
47P
C463
MMZ1005Y102C T
EP10
MMZ1005Y102CT
EP11
D18
1SV309
MMZ1005Y102C T
EP12
MMZ1005Y102CT
EP13
47P
C125
47P
C466
47P
C467
47P
C468
MMZ1005Y102C T
EP15
L38
C36-5N
H
L39
C
36-5N
H
0.5P
C129
0.001
C164
3P
C124
3P
C133
0.0022
C137
R11
10k
R13
10k
R21
10k
R23
10k
R18
10k
82P
C62
R33
180
6P
C29
2P
C393
R29
82
22P
C56
2P
C23
5P
C30
15k
R319
MA2S7280G
D67
1
C494
R67
100
R32
47
R6
6
100k
Q9
2SC5006
10P
C93
R62
22
k
Q8
2SC3357
1P
C332
7P
C6
5P
C7
8P
C404
7P
C420
R337
18
R334
270
R338
270
R64
0
R63
18k
Q3
3SK293
R30
470
0.0033
C281
0
R393
R49
PRF18
R10
22k
R6
22k
R5
22k
0.5P
C3
6P
C136
15P
C127
6P
C131
1
C383
0
R394
12P
C115
3P
C128
L55
0.33U
REF
HV
T8V
R8V
8V
5V
CPU5V
REF
BAL
NWC
T1
T2
TMUT
TXC
RXC
MOD
F
SCK
SO
SQIN
NOIS
TEMP
UNLK
RSSI
LVIN
PLST
DISC
TLVA
RLVA
RSSI
SCK
CPU5V
BAL
TEMP
RXC
TXC
NOIS
8V
HV
5V
NWC
SQIN
WNC
UNLK
5V
PLST
SO
5V
NWC
WNC
T2
T1
T8V
TMUT
T1
RLVA
TLVA
F
MOD
5V
LVIN
R8V
R8V
RSSI
DISC
5V
MIX
IF IC
PLL
R8V
L:NARROW H:WIDE
L:NARROW H:WIDE
LPF
APC
TX VCO
RX VCO
RF AMP
AGC
IF AMP
*3 MULT I