Icom IC-M604 - AF Unit Voltage Diagram

12 - 3
COMMAND MIC-ON: 13.16V
COMMAND MIC-OFF: 13.56V
13.70V
TX: 0V
RX: 4.93V
INTERNAL SP-ON: 4.87V
INTERNAL SP-OFF: 0V
2.75V
TX: 4.97V
RX: 0V
MUTE-ON: 4.97V
MUTE-OFF: 0V
TX: 0V
RX: 5.86V
13.68V
8.02V
4.97V
IC1
TA7808S
IO
G
IC2
TA78L05F
IO
G
IC3
LA4425A
1
2
3
4
5
IC16
BU4066BCF
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
IC7
BU4066BCF
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
IC4
BU4066BCF
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
IC5
BU4066BCF
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
IC8
M5218AFP
V+
8
GND
4
IC9
M5218AFP
V+
8
GND
4
IC9
M5218AFP
2
3
1
IC9
M5218AFP
6
5
7
IC6
M5218AFP
6
5
7
IC6
M5218AFP
IC6
M5218AFP
2
3
1
V+
8
GND
4
IC10
TA8225LQ
1
STBY
2
TJDET
3
NF2
4
IN+
5
PREGND
6
IN–
7
NF1
8
EMGDET
9
RIP
10
VCC1
11
OUT1
12
BS1
13
PW-GND1
14
PW-GND2
15
BS2
16
OUT2
17
VCC2
IC12
PC357N6J000F
IC13
BU4584BFV
1 2 3 4 5 6 7 8
9 10 11 12 13 14
IC19
TC7S14FU
1
2
3
4
5
IC18
BU4094BCFV
1
STR
2
D
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
GND
9
QS
10
Q’S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
IC17
BU4094BCFV
1
STR
2
D
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
GND
9
QS
10
Q’S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
Q1
2SB1132
Q2
DTC144EU
Q23
DTC144EU
Q7
2SC3326
Q9
2SC4116
Q12
2SC4116
Q11
2SC4116
Q13
2SJ144
Q25
2SC4081
Q22
2SC4081
Q26
2SA1576
Q51
2SB1143
Q52
2SD1664
Q53
2SD1664
1SS355
D11
1SS355
D7
D5 DAP202K
D13
DA204K
D14
MA8062
D8
MA8062
1M
R16
22K
R17
22K
R18
18K
R20
R21
10K
10K
R11
10K
R12
10K
R1
10K
R13
2.2K
R2
330
R33
R34
560K
180K
R35
2.7K
R36
R39
1K
2.2K
R40
100K
R42
470K
R43
1M R45 1M R46
1M
R47
1M R44
1M
R48
R49
47 47
R50
2.7K
R51
1M
R52
1M
R55
1M
R53
1M
R54
R56
47
R71
47
47
R61
470K
R57
R59
100K
R60
10K
56K
R64
18K
R67
1M
R69
1M
R76
1M
R79
1M
R81
1M
R80
1M
R83
1M
R82
18K
R72
470K
R74
1M
R94
22K
R95
2.7K
R96
R97
10K
8.2K
R197
18K
R198
33K
R199
18K
R201
4.7K
R202
820K
R203
33K
R204
15K
R205
10K
R207
10K
R208
27K
R209
1K
R211
68
R212
33K
R218
6.8K
R221
470
R222
47K
R223
12
R225
100K
R226
R230
10
1K
R231
47K
R232
4.7K
R244
1K
R233
47
R245
R260
10
1K
R261
1K
R263
47K
R262
4.7K
R264
47
R267
1M
R268
1M
R270
1M
R269
1M
R271
1M
R275
1.5K
R277
4.7K
R304
4.7K R303
27 R308
27 R309
27 R310
27
R311
27
R312
27
R313
47K
R316
47P C1 0.001 C2
47P C7
470
C37
0.01
C25
0.01
C32
10 C21
10 C23 10 C26
0.1
C38
0.001
C27
470P
C39
470P
C53
47P
C76
0.0022
C44
560P
C45
0.0039
C49
0.0022
C52
0.1
C59
0.1
C63
0.1
C56
0.1
C79
0.1
C55
0.01
C58
0.01
C60
0.001
C71
0.22
C75
0.0022
C77
12P
C78
10 C46
0.01
C80
0.01
C90
0.01
C208
0.01
C225
0.01
C221
0.01
C227
0.01
C237
0.01
C251
0.01
C254
0.1
C81
0.1
C82
0.1
C91
0.1 C95
0.1
C97
0.1
C96
0.1
C205
0.1
C201
0.1
C202
0.1
C220
0.1
C219
0.1
C266
0.1
C267
0.001
C217
0.001
C263
0.001
C265
3.3
C200
3.3
C206
47
C211
220
C212
220
C213
0.001
C271
0.001
C272
470P
C281
0.22
C283
10
C301
FTR-F3AA012E
RL2
RL3
FTR-F1
BLM11B221SB
EP3
BLM11B221SB
EP2
J9
OP-10
W1
OPC-1175
J10
OP-10
J7
B2B-PH-SM4-TB
1
2
34
J3
53307-1471
1 2
3 4
5 6
7 8
9 10
11 12
13 14
0.22
C282
1M
R272
47
R265
Q30
2SA1576
27 R306
27 R305
27 R307
0.001
C228
8.2K
R62
15K
R63
0.1
C73
10 C72
0.001
C277
0.001
C278
0.001
C276
0.001
C275
33K
R37
33K
R38
100K
R41
0.1 SVA C41
8.2K
R32
8.2K
R31
0.027
C43
0.027
C42
470
C36
0.1
C35
470
R315
470
R314
4.7
R19
4.7K
R224
1SS355
D12
0.0047
C222
100K
R206
R210
10K
Q21
2SC4116
10K
R219
0.001
C214
1
R216
0.047
C216
0.047
C215
1
R217
3.3K
R213
47P C3 0.01 C4 470P C5
0.001 C6 47P C9 0.001 C8
8.2K
R73
1.5K
R274
1
R318
100
C209
100
C210
J6
B3B-ZR-SM4-TF
1
2
3
45
0.001
C274
0.001
C273
10 C94
1M
R86
0.0039
C86
0.001
C85
82K
R84
0.033
C89
2.2K
R92
120K
R87
22P
C84
82P
C87
0.1
C93
IC8
M5218AFP
2
3
1
0.01
C92
1K
R91
0.1
C83
150K
R88
470P
C279
J11
B2B-PH-SM4-TB
1
2
34
W6
2P-SZN
1
2
1000
C207
J8
B02B-EH-S
1
2
3.3K
R214
68
R215
DSA3A1 D1
47P C11 0.01 C12
IC20
NJM2107F
1
2
3
4
5
IC14
NJM2107F
1
2
3
4
5
Q28
2SK1069
Q18
2SK1069
Q24
2SK1069
R323
0
J2
10FMN-BMTTR-A-TBT
1
2
3
4
5
6
7
8
9
10
IC8
M5218AFP
6
5
7
470
R301
IC11 M5222FP
1
OUT1
2
IN1
3
COM
4
GND
5
VC
6
IN2
7
OUT2
8
VCC
1SS355 D2
RL1
FTR-P3CP012W1
R3 2.2K
10K
R4
Q4
2SA1577
Q3
DTC144EU
J5
SB4P-HVQ-A
1
2
3
4
EP4
MMZ1608Y301C
47P
C28
47P
C29
MMZ1608Y301C
EP6
0.1
C98
MMZ1608Y301C
EP5
EP8
MMZ1608Y301C
47P
C30
47P
C40
0.1
C24
0.1 C22
1.5K R302
47P
C270
18K
R75
28FLT-SM2-TB
J1
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
2728
J4
20FLT-SM2-TB
12
34
56
78
910
1112
1314
1516
1718
1920
470P
C18
470P
C19
470P
C34
1
C61
1
C204
1
C31
1
C48
1
C261
1
C33
1
C47
1
C260
1
C51
1
C262
1
C64
1
C50
0.01
C229
MPZ1608S221A
EP7
470 CA
C10
12K
R273
12K
R276
8.2K
R85
18K
R68
33K
R317
82K
R89
82K
R90
SPS1
SPS2
DATAMN
PCK
PDATA
EPSTB
PCK
EPSTB
SPS1
MICS2
MICS1
SPS2
MICS1 MICS2
RMUTE
HAIL–
DATAMH1
DATAH2M
DATAMH2
DATAH1M
HLVL
AFSUB
AFSUB
INCMH
INCMH
INCHM
INCHM
RMUTE
SCOUT
GND
FOG
DATANM
EPOE
HLC
HLC
RCV
RCV
SP
HAILIN
HAILIN
HAILIN
FOGC
FOGC
FOGC
HAILOUT
HAILOUT
HAILOUT
PCK
OPSTB
PDATA
SCON
GND
GND
GND
GND
DETO
DETI
DSC
OPTIN
OPTIN
MIC/DSC
MIC/DSC
STRU
STRU
MICO
MICO
GND
VOLI2
MICM
EPOE
HLC
HLC
VOL1
VOL2
MOD
MOD
HAIL+
SCON
OPTIN
EPSTB
EPOE
DSC
DATAH1M
DATANM
DATAMN
DATAMH1
DATAMH2
DATAH2M
FOG
MICM
OPSTB
RMUTE
BEEP
SCOUT
NMEAIN–
NMEAIN-
RRXDA1
RRXDA1
AF/MIC1
AF/MIC2
GND
RTXDA2
RTXDA2
NMEAOUT+
NMEAOUT+
RTXDA1
RTXDA1
RRXDA2
RRXDA2
PCK
PCK
PDATA
PDATA
DET
DET
DET
CVCC
CVCC
CVCC
CVCC
CVCC
CVCC
VBIAS
VBIAS
VBIAS VBIAS
VBIAS
VBIAS
HV
GND
HV
To
CHASSIS
UNIT
HV
HV
HV
GND
GND
GND
GND
GND
GND
MIC
MIC
PWRON
PWRON
GND
GND
AF
AF AF
AF
AF
R8
R8
R8
HLVL
HLVL
8V
8V
8V
GND
GND
MICIN
MICIN
SP+
OPTION
MICI
MICI
VCCVCC
VCC
HV
PWRON
8V
VCC
VCC
VCC
VCC
VCC
VCC VCC
VCC
VCC
BEEP
NMEAIN+
NMEAIN+
S5V
S5V
S5V
S5V
S5V
S5V
S5V
S5V
S5V
S5V
S5V
S5V S5V
S5V
S5V S5V
HV
HV
PWRON
PWRON
AF
AF
AF
R8
R8
8V
8V
VCC
VCC
S5V
S5V
R8 8V S5V
S5V
S5V
SCON
TO LOGIC
UNIT J2
OPC-1200
TO FRONT
UNIT W1
OPC-1658
TO CHASSIS
UNIT W7
OPC-1212
TO
MAIN
UNIT J2
OPC-1197
MICG
SP–
TO VR
UNIT W1
OPC-1186
MICG
SP–
TO
CHASSIS
UNIT W2
OPC-1176
SP–
SP–
MICG
TO CONNECT
UNIT J4
OPC-1128
TO MAIN
UNIT
Q29
2SC4081
AF UNIT
TO
CONNECT
UNIT J5
OPC-1203
VOLTAGE LINE
TX LINE
RX LINE
Explanatory notes
COMMON LINE
12-3 AF UNIT