Icom IC-T90A Marine Radio User Manual


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11 - 3
C220
0.001
C205
0.001
C204
0.001
C472
470p
C489
0.01
C416
10p
R59
1.5k
R460
220
L51
24nH
C69
0.001
R353
68k
C106
0.001
FI1
GLP10-512M
IO
R456
220
R352
4.7k
C365
0.001
C33
10p
C461
0.001
R41
4.7k
R363
1.2k
L304
0.22µH
L252
EXCCL3225U
R106
10k
L451
3.3nH
5
D
6
D
7
D
8
D
1
S
2
S
3
S
4
G
C303
680p
C410
0.001
L351
39nH
C42
56p
C311
0.001
R64
1k
C57
0.1
L15
0.82µH
123
456
R6
100
R304
22k
RFI
RFI
RFI
RFI
1
GND
2
LO
3
PS
4
VCC
5
IFO
6
L307
0.22µH
C10
100p
C409
180p
C372
220p
D451
1SS362
D306
HVC136TRF
R73
2.2k
R415
10k
L66
95nH
L453
3.9nH
C405
0.001
L19
25nH
R1
390
R313
1.5k
C107
0.001
R206
82k
C23
33p
C354
0.001
C351
0.001
C318
0.01
C255
0.001
R111
10k
R461
330
C404
4p
C41
56p
L6
44nH
C35
0.001
C331
12p
R54
150
D6
1SC308
R354
47k
L17
0.82µH
L357
33nH
R251
100k
D307
MA2S077
R9
47k
C18
47p
R366
100k
C101
0.1
R451
1k
R409
3.9k
J252
D358
HVC136TRF
R408
10k
D452
HVC321B1TRF
L408
22nH
L22
80nH
L14
0.82µH
C1
10p
C415
100p
L57
0.22µH
C108
0.001
D201
HVC136TRF
D9
1SV308
R356
39
D354
MA2S077
R403
10k
R57
100k
R418
2.2k
C68
33p
C24
15p
C325
0.001
C257
0.01
C84
0.001
D407
HVC321B1TRF
R61
220
C17
8p
L452
3.9nH
D356
1SV290
L355
39nH
C27
39p
C79
0.001
R454
10k
1
2
3
45
6
7
8
L54
68nH
C324
0.01
C55
0.001
D355
1SV290
D359
MA2S077
C304
82p
R104
1M
L13
0.25-1.9-13TL
C368
0.01
D308
HVC321B1TRF
C39
18p
L403
6.8nH
C460
1p
R414
220
123
45
6
L454
0.1µH
C19
0.01
R52
22
R306
220
C417
0.001
C11
39p
C31
0.001
R56
39
C323
9p
C65
15p
R405
1k
C51
0.1
C457
0.001
C30
0.001
R301
2.2k
D405
HVC321B1TRF
D453
HVC321B1TRF
R60
820
C370
9p
C309
0.1
C105
0.001
C32
12p
R205
1.2k
C464
100p
L303
0.27µH
C64
0.1
C80
0.1
D351
1SS362
R351
1k
C363
0.001
C320
10p
L253
EXCCL3225U
C305
33p
R105
10k
C356
0.001
L12
0.25-1.9-13TL
C40
27p
C406
100p
C411
3p
R412
56k
R63
4701
L455
33nH
L21
0.82µH
C451
100p
C85
0.001
R303
10k
C81
0.01
R404
56k
L16
10.5nH
C456
68p
C66
0.001
D301
HVC136TRF
R463
2.2k
D403
HVC321B1TRF
R362
3.3k
C402
2p
C455
0.001
C369
0.001
R40
4.7k
C353
0.001
R360
4.7k
L30
18nH
L18
60nH
C78
0.1
C321
0.01
R53
330
C258
0.1
L3
10nH
R310
10k
IN
1
GND
2
GND
3
OUT
4
GND
5
VCC
6
D406
MA2S077
D352
MA2S077
C458
4p
C362
100p
C62
0.01
C44
56p
C109
0.001
L352
39nH
C315
0.1
R364
22k
C301
680p
R107
330k
C307
0.1
R103
220k
C252
0.001
R302
2.2k
R2
100
C37
1p
D310
HVC321B1TRF
D408
HVC136TRF
D402
MA2S077
R462
100k
C414
0.5p
C253
1
C67
0.01
C52
1
D302
MA2S077
C401
22p
C9
33p
R55
1k
C332
0.01
L353
0.33µH
L56
56nH
C314
0.1
C403
0.001
C352
5p
D456
MA2S111
C7
1.5p
D252
MA2S728
R308
2.2k
C2
27p
R416
100k
C357
0.001
C453
68p
D3 MA132WK
L358
39nH
C60
68p
C59
36p
C34
120p
R453
22k
R318
1.5k
C361
10p
C306
120p
R108
220k
R101
1M
L9
95nH
R417
2.2k
R459
10k
C36
4p
L404
6.8nH
R311
39k
C462
4p
C412
0.001
R7
150
C43
22p
D54
HVC132
R305
100
C310
0.1
C316
0.1
C302
0.1
R315
180
1
2
3
4
5
6
R110
1.8k
C6
2p
R309
2.2k
C407
0.001
R355
47k
D305
1SS362
L65
0.1
µH
R361
2.2k
L406
6.8nH
D454
HVC321B1TRF
L402
5.6nH
R359
100k
L34
0.15µH
C355
0.001
D4
1SV307
R402
100k
R312
220
C8
3p
C256
0.001
C21
68p
D353
1SV290
R307
1k
C408
0.001
L354
33nH
R457
100k
R8
47k
C70
0.01
C371
0.001
C492
22p
L23
23.2nH
C358
0.001
L101
10µH
C3
8p
D51
HVC136
R314
100k
L301
3.3µH
C104
0.1
D360
MA2S111
D8
1SV308
C359
220p
C102
0.1
R109 0.15
D313
HVC136TRF
C254
0.001
L306
0.33µH
D401
1SS362
C83
0.001
L405
6.8nH
C454
5p
D455
HVC136TRF
J251
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15 16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
C360
7p
L401
6.8nH
C82
0.001
C308
0.1
R357
22
L1
26nH
L32
68nH
1
2
34
5
6
D2
1SV308
CP11
R407
220
C77
12p
R410
100k
C319
0.001
L4
12nH
C259
0.001
C452
4p
R401
1k
C413
0.001
R358
100k
R452
100k
C26
8p
C373
0.001
C364
15p
R365
82k
R316
100k
C103
0.1
L102
0.82µH
C317
15p
L302
0.27µH
R102
330k
L53
1.0nH
D7
1SV308
D309
MA2S077
DO
1
LD
2
CLK
3
DI
4
A01
5
A02
6
NC
7
GND
8
VSS
9
NC
10
A03
11
A04
12
A05
13
A06
14
VDD
15
VCC
16
D303
HVC136TRF
R317
2.2k
CP9
CP10
D404
MA2S077
D251
RB060L-40
C463
82p
C111
0.1
C110
0.1
D50
MA6S121
D304
MA6S121
C419
0.001
R367
56
C374
0.001
R112
330k
L359
27nH
C375
0.3p
C367
4p
R368
47
C376
0.001
R369
2.2k
W1
C465
0.01
C466
0.001
C112
0.001
C88
0.001
L409
18nH
R419
3.9k
C420
0.01
C421
0.01
1
2
34
5
6
MP5
C76
0.01
R77
1k
R78
56
R79
56
R80
330
D57
1SV308
C89
0.1
R82
3.9
R81
330
L68
1.0nH
L24
65nH
D10
1SV308
R11
2.2k
R10
2.2k
D12
1SV271
C91
0.01
R13
390
C92
0.001
C93
0.01
D13
1SV271
C94
0.01
D16
1SV271
C95
0.01
L26
0.82µH
R16
390
C333
0.1
EP2 MMZ1608D121B
C98
30p
C114
0.001
D18
1SV308
C115
0.01
D19
1SV271
C116
0.001
R465
22
R466
47
C467
0.001
C468
0.001
R467
390
W2
C470
0.001
L456
3.7nH
C473
0.01
D457
1SV308
R468
10k
C474
0.001
C476
0.001
C477
0.001
R469
1k
R470
1k
C478
0.01
C479
0.01
C480
120p
C481
15p
C482
68p
L11
0.25-1.9-13TL
L5
60nH
C483
12p
C485
27p
C484
2p
C486
4p
C487
4p
C488
0.001
R471
1k
R420
1k
DATA
DATA
DATA
DASTB
DASTB
DASTB
FSET
FSET FSET
IF
RXC
B1C
GND
DSET
DSET
DSET
PAT MP
VMOD
HV HV
HV
GND
CHG CHG
CHG
B3C B3C
REF
REF
AGC
AGCAGC
AGC
V3
V3
V2
V2
PSET
VCO3
+3
PDA/UL
PDA/UL
PDA/UL
CK
CK
CK
CK
PLSTB
PLSTB
B2C
B5C
+10V
+10V
VSHFT
VSHFT
LO
T14
T50
B4C
VCC
VCC
V1
V1
T43
B1C
B5C
T14
T50
B4C
VCC
T43
BSFT
AT T
AT T
AT T
AT TAT T
TUNE
TUNE TUNE
TUNE
TUNE
TUNE
TUNE
TUNE TUNE
AT T
AT T
AT T
AT T
230–630MHz
76–230 MHz
30–76 MHz
0.5–30 MHz
630–999.995 MHz
ANT
C87
0.01
V1
+3+3
V2
V3
+3
+3
+3
+3
VMOD
VSHFT
+10V
PLSTB
REF
CK
PSETPSET
IF
IF
BSFT
PAT MP
B2C
BSFT
BSFT
+10V
B2C
B2C
PAT MP
PSET
AGC
AGC
AGC
RFI
AGC
AGC
B5C
B4C
PSET
B5C B5C
B4C
B1C B1C
B1C
BSFT
BSFT
BSFT
BSFT
TUNE
BSFT
BSFT
AGC
B1C
BSFT
BSFT
B1C
B1C
T14
T50
VCC
T50
T43
T43
T43
T14
T50
T14
VCC
T50
T43
PAT MP
+3
T14
T50
PAT MP
AT T
AT T
R209
1k
C490
0.001
VMOD
VMOD
VMOD
V3
V2
V1
UNLK
CK
PLSTB
+10V
VSHFT
VMOD
REF
GND
V3
V2
VCO3
LO
V1
V1
V2
+3
+3
V3
LO
to AF unit
J51
1
2
3
4
5
6
L25
0.82µH
BATTERY
EXT
DC IN
C25
0.001
C16
1.5p
R1
270k
R19
10
R3
5.6k
C19
470p
R4
150
R8 15
R12
120
C10
0.01
C13
120p
C51
47p
Q11
2SC5107
Q2
2SC5008
R18
100
C9
0.5p
Q1
2SC5008
Q3
UN9215
C12
0.001
C41
0.001
C49
7p
C7
0.001
C48
0.001
D3
HVC321BTRF
R7
150
C17
1.5p
C22
0.001
C8
0.01
C23
0.001
R10
100
R2
1k
C42
0.001
L4
11nH
R33
33k
R14
4.7k
C50
27p
C4
2p
C11
0.001
L12
0.1µH
C59
0.1
C1
15p
R35
47
R6
5.6k
R17
33k
R44
1k
D2
MA2S077
R5 1.8k
R9
270k
C24
0.001
Q4
2SC5008
Q5
2SC5008
D1
HVC321BTRF
R16
4.7
C21
2.5p
L3
0.82µH
R11
4.7k
C20
0.001
L13
82nH
C40
0.001
C26
0.001
Q7
2SC5195
L2
82nH
C5 2p
C2
0.001
C39
1.5p
R34
150
IC201
µPD3140GS
VCC1
1
IN1
2
ENB
3
CLK
4
DATA
5
T1
6
LOK
7
CP1
8
FI1
9
FO1
10
FO2
11
FI2
12
CP2
13
GND2
14
XO
15
XI
16
XB
17
VCC2
18
IN2
19
GND1
20
R211
100k
R231
1k
R228
10k
Q206
2SK880
R230
1k
R229 1k
R212
3.9k
R216
8.2k
R215
6.8k
R217
6.8k
R220
5.6k
C213
0.047
C214
1.5
C212
0.001
C211
0.001
C210
0.1
C209
0.001
C229
47p
C228
47p
C230
0.001
Q211
2SC4215
L203
2.7µH
R233
150k
R232
100
L202
4.7µH
L201
4.7µH
C219
2.2
R208
5.6k
C207
0.15
C224
0.001
C225
0.001
C226
0.001
D9
HVC136TRF
D10
HVC136TRF
D7
HVC136TRF
D8
HVC136TRF
R50
4.7k
R48
220
R49
3.9k
C66
0.001
C65
0.001
R46
1.2k
C67
0.001
R45
4.7k
C63
0.01
C64
0.001
R47
4.7k
R234
150
C232
0.1
C233
0.001
IC1
µPB1509GV
VCC1
1
IN
2
IN
3
GND
4
SW1
5
SW2
6
OUT
7
VCC2
8
R235
4.7k
C234
33p
Q16
2SC5008
R239
270
C235
1.5p
R238
15k
C236
0.001
R236
150
C239
1p
EP2
MMZ1608Y
102BT
R13
1k
W1
R240
10k
R241
47
R243
150
R242
15k
Q212
2SC5008
C237
0.001
R244
100
C238
10
VMOD
VSHFT
Q207
2SC4117
C215
1.5
R213
270
C221
0.001
R51
2.2k
R52
2.2k
Q15
UN9213
Q14 XP4312
UNLK
CK
REF
REF
+10V
+10V
PLSTB
UNLK
CK
PLSTB
VCO UNIT
RF UNIT
R15
120
C469
0.001
0.8V
2.0V
*1: While receiving 0.495–29.995 MHz
*2: While receiving 23.00–75.995 MHz
*3: While receiving 76.00–229.995 MHz
*4: While receiving 230.00–629.995 MHz
*5: While receiving 630.00–999.99 MHz
*6: While receiving FM 630.00–999.99 MHz
*7: While receiving WFM 550.00–999.99 MHz
J2
J1
1
2
3
4
5
6
7
8
1
2
3
4
5
6
Q251
HAT1203R
Q303
2SC5006
Q205
UN9213
Q101
XP6401
IC351
µPC2757TB
Q351
3SK320
Q51
2SK3476
Q102
UN9215
Q302
2SC5006
IC101
NJM3404AV
Q352
XP4601
Q52
2SK3475
IC51
µPC2762TB
Q355
UN9115
Q451
2SC5624VH
Q56
XP4316
Q301
UN9213
Q1
UN9211
Q353
XP4312
Q2
UN9215
IC251
M62368GP
Q354
2SC5508
Q402
2SC5006
Q401 2SC5008
Q356
XP4312
Q54
2SC5289
Q452
2SC5008
Q453
UN9214
2.3V
1.6V
0.8V
0.8V
1.6V
2.6V
3.0V
1.5V
0.8V
3.1V
TX: 2.8V
RX: 0V
TX: 0.6V
RX: 0V
3.0V
*6
3.1V
*5
3.0V
*5
1.8V
*5
1.9V
*5
3.0V
*5
3.0V
*3
2.3V
*3
1.3V
*3
3.0V
*1
0.6V
*1
1.8V
*1
1.5V
2.3V
*2
*2
3.0V
*2
9.0V
TX: 0V
RX: 3.0V
2.8V
*6
3.1V
*4
1.4V
*4
2.9V
1.4V
*4
2.8V
*4
0.6V
*6
*4
11 - 2 RF UNIT
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