Icom IC-M604 - Main Unit Voltage Diagram

12-2 MAIN UNIT
12 - 2
13.72V
LOCK: 0V
UNLOCK: 4.83V
2.64V
5.80V
5.01V
3.70V
3.74V
3.74V
3.67V
1.25V at –8dB
RX: 6.77V
TX: 0V
RX: 6.77V
TX: 0V
HI: 4.75V
LOW: 0V
TX: 0V
RX: 4.76V
HI: 3.25V
LOW: 2.74V
TX: 7.29V
RX: 0V
TX: 7.25V
RX: 0V
TX: 2.85V
RX: 2.76V
Q10
2SC4215
FI4
FL-368
CP1
CP10S
C208
0.033
IC3
NJM2902V
V+
4
GND
11
R332 22K
1
R323
680
R232
C362 0.001
CP23
CP10S
R37 22
2P C67
C166
0.01
470 R34
3P
C421
0.001
C222
0.01
C107
CP27 CP10S
0.001
C343
Q2
2SC4215
Q22
DTC144EU
470P
C438
15P
C255
2.2K
R217
2.2K
R297
33P
C23
0.1 C74
470K
R151
2.2K
R244
8P
C38
C3 27P
R12
100K
IC3
NJM2902V
6
5
7
1
C277
0.1H
L67
CP14
CP10S
C334
20P
R122
100K
C376 0.001
D35
1SV288
6P
C282
D42 MA77
82K
R1
R158
100K
C207
0.1
L62
LB-258
R257 1K
10K
R76
270P C88
10K
R63
C49 2P
L50
10U
C12
0.001
J2
1
2
3
4
5
6
7
8
9
10
C364 18P
D4 1SV307
R275 1K
CP2
CP10S
47K
R155
R330
33K
4P
C164
1.5P
C410
10K
R144
R18 100
Q16
2SC4116
CP9
CP06S
0.01 C91
47P
C171
0.001 C317
0.001
C272
18P
C348
68
R204
C1 5P
R6 2.2K
0.1
C99
82
R274
2.2H
L79
R285
3.3K
27P
C260
1K
R322
47nH
L87
R220
33
0.001
C96
27P
C151
3P
C285
8P
C416
C325 18P
R15
47K
6.8
C391
10
R116
R255 220
0.0022 C232
R16 1.5K
R89 39K
0.001
C434
C330 0.001
12P
C45
1.2K
R186
0.001
C158
470P
C436
C6
0.001
C5 18P
C332 47P
1
R324
L1
LA-243
L18
#617DB
2577
MP3
1 2 3 4
820
R51
10
C224
0.033
C104
C352
0.001
10K
R181
470P C402
0.001
C71
C370
0.001
0.001 C28
R313
1
D12
MA8036
L57
3.3U
Q33
DTC144EU
100K R72
56P
C423
18P
C268
R264 10K
L20 10H
270
R106
Q11
2SC4116
CP3
CP10S
R258
39
47K
R85
100K
R73
0.001
C441
1K
R273
R342 22K
5P
C256
15K
R160
R124
3.3K
3.5P
C37
3.3K
R108
CP11
CP06S
0.01
C109
L70
56nH
L85 68nH
FL-399
FI5
R287
470
0.22
C202
#E544ENAS
L31
68K
R202
680
R201
D44 1SS355
D39
1SV214
18P
C346
10K
R147
IC2
NJM2125F
1
2
3
4
5
Q27
2SC5110
18P
C24
15K
R90
R329
1
IC3
NJM2902V
13
12
14
0.1
C187
R95
680
R191
100
R338
100
0.001
C339
R276
1K
Q4
PMBFJ310
82nH
L51
470P C27
270P
C87
IC5 BU4584BFV
1
2
3
4
5
6
7
8
9
10
11
12
13
14
8.2K
R148
6P C408
#E526HNA
L14
R336
1
R226 10K
0.001 C90
0.001 C60
470P
C342
C56 0.001
D3 1SV307
1K
R321
C322 0.001
10K
R75
CP4
CP10S
5P C33
18P
C229
0.01
C289
C206
0.01
Q17 2SC4116
R13 22K
1.2K
R221
0.01 C80
0.1 C182
1K
R41
LW-25
L90
180nH L81
20P
C253
C335 0.001
10P
C287
CP8
CP06S
0.01 C233
R325
1
0.75P
C415
C13 0.001
CASE-BM7H
EP3
1 2
0
R326
10 C77
100
R194
33K
R49
L2
LA-243
0.01
C157
C356 0.001
68
R195
C7
33P
C249 2.2
0.001
C150
220
R245
220P
C401
R259 2.2K
R309
1
R283 1.5K
27P
C259
0.033
C192
3P
C235
0.001
C169
R254 2.2K
CP19
CP10S
1K
R64
0.001
C397
R222 470K
0.001
C435
R341 22K
0.001
C440
D22
MA8036
L63 2.2H
470P
C106
5P C34
R87
330
0.001
C252
12P
C184
Q35
2SA1577
82nH
L21
C11 0.001
0.047 C201
10K
R145
3.3K R38
100K
R88
L72
3.3H
CP6
CP10S
Q12
PMBFJ310
100P
C170
18P
C266
8.2K
R282
39P
C347
0.1 C100
1 C79
27P C54
R96
100K
CP10
CP06S
0.001
C409
R5 22
R11
33K
0
R8
470K
R207
D47 HSM88ASR
CR-804
X3
C331 0.001
2577
MP4
1 2 3 4
D37
1SV214
CFWM450E
FI3
I O
5P
C241
R271
22
R337 100
0.1
C117
0.1
C83
R17
1
C116
0.01
0.001
C275
L55
4.7U
2P
C227
5P C407
0.01
C155
C324 18P
2.2KR320
X2
CDBC450CX24
470K
R80
100
R185
0.1
C32
Q23
2SC5110
0.01
C161
L19
#617DB
3P
C338
470
R111
0.22
C93
IC3
NJM2902V
9
10
8
HSB88WS
D21
CP18
CP10S
0.01 C63
470K
R48
0.1 C113
0.001 C81
0.001
C385
R265 100
27P
C240
C333 0.001
C89
0.1
33K
R228
470 R292
1K
R267
Q3
PMBFJ310
IC1
TA31136FNG
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
L83 0.1H
#E544ENAS
L32
X1
CDBC450CX24
100K
R163
CP7
CP10S
0.1
C190
L91
220H
100K
R212
Q18
PMBFJ310
0.75P
C414
0
R327
R308
1
L4
LA-238
470P
C398
10
C175
470P
C30
0.01 C263
IC14
NJM2107F
1
2
3
4
5
#E526HNA
L13
2P
C36
10
C274
470K R81
C323
47P
3P
C44
R286
10K
470P
C405
R312
1
4.7K
R189
0.01
C195
12P C420
10 C98
IC11
TC4W53F
1
2
3
4
5
6
7
8
D15 MA742
IC4 NJM2211M
1
V+
2
IN
3
LOCK
4
GND
5
Q
6
Q
7
DATA
8
FSK
9
NC
10
REF
11
LOOP
12
R
13
CAP
14
CAP
0.001
C243
0.01
C176
R290
100
C373
0.1
0.1H
L65
18P
C183
R4 2.2K
C292
12P
FI1A
FL-404
CP15
CP10S
0.01 C59
Q1
3SK294
R39
10
0.001
C307
R14 10K
68P
C257
100K
R239
C55 0.01
2.7H
L74
1.2K
R230
100
R196
68nH
L22
0.01
C68
390
R113
R272
22
0.001
C199
0.001
C433
1.5P C62
0.001 C403
CP12
CP10S
10K
R61
18P
C230
0.01
C196
Q13
2SC4215
D40
1SV214
1
C177
0.01
C197
0.0022
C236
0.1
C102
0
R9
1.5K
R149
R263 10K
82
R268
R251
100
1.5K
R79
68nH
L52
2.2KR318
Q36
DTC144EU
0.22
C112
3.3K
R243
22
C353
10K
R146
10P
C286
0.01
C383
1P
C43
0.001
C309
R299
1K
47
R241
D48 HSM88ASR
470
R291
3.3K
R253
0.033
C193
0.1
C95
27P
C239
470K
R154
R288
1M
R59
1K
2SC3775
Q28
C205 0.0022
2577
MP5
1 2
L84
47nH
0
R328
CP13
CP10S
R306
1
IC6
TA31136FNG
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
27P C53
3.5P
C413
18
R105
0.001
C21
0.1 C262
CR-827
X4
2.2K
R256
Q9
PMBFJ310
100
R205
L89
LA-243
R3 39
3.5P
C41
330
R188
180nH
L92
5P
C251
CP16
CP10S
C351 10
47
R71
R310
1
L6
4.7H
R333 10K
Q19
2SC4215
8P
C42
470P
C393
1K
R66
12P
C237
0.012
C191
2577
MP1
1 2 3 4
47P C73
1.5P
C419
10P
C269
6P C64
#E544ENAS
L33
0.033
C118
Q37
DTC144TU
R91 2.2K
30P
C152
270
R104
2.5P
C48
#617DB
L48
18P
C228
R31
1.2K
0.001 C35
R32 470
J1
26FLT-SM2-TB
12
34
56
78
910
1112
1314
1516
1718
1920
2122
2324
2526
0.1
C172
0.5P
C283
1K
R238
D32
HVC358B
0.1 C404
#E526HNA
L12
FI1B
FL-404
47K
R227
L64 0.1H
L73
LB-258
C14
0.001
0
R10
20P
C242
2.2K
R317
0.0022
C288
0.0022
C294
0.1
C247
47P
C276
C355 470P
4P
C284
1SV308
D41
0.001
C52
1
C221
150
R236
R262 10
C320 0.001
1.2U
L56
L25
4.7H
R252
100
NTCG16
R343
CP20
CP10S
CP24 CP10S
0.01
C178
Q15
2SC4215
47P
C341
1K
R293
R314
1
C318
15P
0.001 C427
L308CCB
D1
10K
R74
8.2K
R78
1K
R213
C379 0.001
R120
1.2K
C374
0.001
22P
C345
0.047 SVA C248
0.1 C29
0.0022
C115
3P
C159
0.1
C223
8P
C412
R161 2.2K
D49 MA8051
3.5P
C281
82nH
L86
2P
C40
R334
47K
R278
1.2K
10
R33
1
R315
0.001 C316
100
R203
MJP-0.2
W7
IC3
NJM2902V
2
3
1
Q7
3SK294
R98 3.3K
0.001 C381
Q32
DTC144TU
390
R43
L68 1.0H
0.22
C372
470P
C194
1.5P
C39
0.001
C439
680
R192
1P
C418
R302 NTCG16
D11
HSB88WS
Q8
PMBFJ310
0.001
C179
IC9
NJM2211M
1
V+
2
IN
3
LOCK
4
GND
5
Q
6
Q
7
DATA
8
FSK
9
NC
10
REF
11
LOOP
12
R
13
CAP
14
CAP
0.1
C273
L5
4.7H
0.22
C94
100K
R143
CP21
CP10S
0.5P
C290
Q21
DTA144EU
0.001
C254
3P
C25
C375
22P
C377 0.001
0.01
C265
10K
R296
CP25 CP10S
10
C186
470K
R150
0.047 SVA
C225
100
R19
3P
C267
47K
R208
10P
C308
2P
C400
C165
5P
3.3K
R218
0
R7
2.2K
R319
R335 2.2K
R331
100K
0.01 C78
0.001
C365
C371 0.001
0.001
C200
56nH
L66
10K
R62
0.001
C431
470
R40
0.22 C244
C361 18P
68K
R193
0.001
C168
J3
TMP-J01X-V6
IC12
µPD3140GS
1
VCC1
2
IN1
3
ENB
4
CLK
5
DATA
6
T1
7
LOK
8
CP1
9
FI1
10
FO1
11
FO2
12
FI2
13
CP2
14
GND2
15
XO
16
XI
17
XB
18
VCC2
19
IN2
20
GND1
1.2K
R112
330
R209
C271 1
0.001
C399
0
R295
470K
R84
D33
HVC358B
D43
MA77
M62363FP
IC15
1
VIN1
2
VOUT1
3
VOUT2
4
VIN2
5
VDD
6
LD
7
CLK
8
DI
9
VIN3
10
VOUT3
11
VOUT4
12
VIN4
13
VIN5
14
VOUT5
15
VOUT6
16
VIN6
17
DO
18
VDAREF
19
RESET
20
GND
21
VIN7
22
VOUT7
23
VOUT8
24
VIN8
10K R65
#E544ENAS
L34
0.001
C70
0.001
C432
3.9H
L61
33P C61
0.75H L26
0.033
C105
10K
R77
82P
C72
22
R107
R123
330
470P C114
33P
C160
R182 1K
0.001 C245
CP22
CP10S
Q14
2SC4215
2577
MP2
1 2 3 4
C69 0.1
R284
47K
0.012
C103
27K
R214
ALFYM450F=K
FI6
1
2
34
5
L308CCB
D46
#E526HNA
L11
#617DB
L49
0.001
C295
CP26 CP10S
0.1 SVA
C278
0.1
C406
0.001
C258
1P
C411
0.01
C108
R277 1.2K
1R316
0.001 C261
0.01
C92
18P
C231
C354 47P
2.2K
R47
2.2K R219
CP17
CP10S
C392 0.001
0.1H
L75
0.01 C246
EP2
BLM11B221SB
47nH
L88
0.047
C111
L3
LA-243
100K
R142
R159 39K
56P
C47
R97
330
330
R157
4.7K
R190
1P
C280
3.5P
C417
C378 10
1
R311
0.01 C57
1.0H
L69
C8
27P
220P
C26
C9
150P
#E526HNA
L15
0.1
C167
R260 390
47 R86
470P
C204
68K
R233
0.001 C428
C319 0.001
2SC3775
Q30
C363
0.001
5P
C264
PCK
PDATA
DADEV
DAFREQ
SEND
GND
GND
DEC1
ATT2
PCK
ATT1
H/L
TXDET
PCK
MOD
H/L
ATT1
RXADJ
WXDEC
R8
R8
R8
R8
R8
R8
SQL
TXDET
VCC
VCC
VCC
DET
DSC2
S5V
S5V
S5V
S5V
PSTB
UNLK
ATT2
TMUTE
DASTB
SEND
PDATA
T8
T8
T8
T8
DAPCON
DAPCON
8V
8V
8V
8V
8V
8V
8V
DASTB
PCK
UNLK
PSTB
PDATA
TMUTE
DASQL
DASQL
S5V
R8
8V
PCK
PDATA
HLVL
HLVL
MOD
DET
GND
VCC2
IC13
RA35H1516M
OUT IN VCC1
RXLV
TXLV
RSSI70
SQL
ANT
RSSI
VCC
1
2
3
4
VCC
GND
GND
to AF
UNIT J5
GND
ATT2
TEMP
TMUTE
GND
SEND
H/L
DEC1
TXDET
WXDEC
S5V
GND
PSTB
8V
GND
ATT1
PCK
GND
UNLK
RXADJ
SQL
PDATA
DEC2
DASTB
TO LOGIC UNIT J1
TO AF
J2
GND
GND
GND
DAHLVL
MAIN UNIT
VOLTAGE LINE
TX LINE
RX LINE
Explanatory notes
COMMON LINE