Icom IC-80AD Service Manual page 50

RF UNIT (2/2)
A
B
TTEM P
VCC- I
C
Tx:4.96V
Rx:0V
UPC2709TB
3 4
100P GND OUT
2 5
D100 C129 GND GND
1 6
LOOUT
IN VCC
1SV308
IC100
C135
R118
1P MMZ1005Y102CT
100
R119 EP103
2.2K
C133
0.001
Tx:5.02V
C156
Rx:0V
0.001
T5
C:3.30V
MMZ1005Y102C T
EP152
+3V
C148
0.01
BH2220FV M
GND VCC
5 4
DATA ISET1
DI AO3
6 3
CK ISET2
CLK AO2
D ASTB2 7 2 PSET
LD AO1
8 1
I C152
C146
C:5.55V 0.01
TUNE1
TUNE2
C147
100K
I C952
0.01
R950
+5.5V 8 1
R953 7 2
100K 6 3
5 4
R951
150K
LM2904PWR R952
150
150
PSET
0.001 150K
ISET2
D
UHFC
VHFC
E
Tx:0.18V Q451
Rx:3.09V 1 5
R3V 2
3 4
XP1115
C469
C470
47P C467 C471
47P
47P 47P
Q251
1 5
50MC
2
BCC 3 4
XP1115
C264
C262
0.001
0.001
Q252
SHIFTC
UNR9115G0 C261
47P
AGC
TUNE2
TUNE1
F
G
ATT
H
0.001
56
C145
R113 MMZ1608Y102B T
EP105
R114
0.001 0.001
LQW18AN68NG00D
C117
56 C122
L109
C123
0.1
R108
Tx:4.00V
8.2K
Rx:0V
C121
R120
C125 C138 JDP2S04E JDP2S04E C124 0.001
3.3K Q 102
0 0.001
100P D101 D 102 0.001
R109 2SC3356
R111
L111
1k
R115
0.1U 390
R106
R116 1k
1k
C126
C166
0.001
R154 R152
R163
2.2K
2.2K
C160 C159
3.3K
0.1 0.01
R153
Tx:5.03V
100
EP150
1M
C132
C161
0.001
R155
R156 I C150
0.01
330K 1 8
R149
2 7
3 6
1M I C151
4 5
5
3
R146
4 LM2904PWR
1 C152
22K R159 R158
0.01
22K
2 33K
TC75S51FU
Tx:4.98V
MA2S7280G
D404
R420
VHF
10
C425 C418
Rx:2.98V R423
0.001
0.001
820
D 405 C423
C420
1SV308 6P 0.5P
D403 H VC376B
L404
HVC376B
LQW18AN68NG00D D 402
C421
33P
R421
C422 C419
47K
47K
100P 100P
R422
C424
0.001
D256
C260
1SV308 22P
D255
R258
1SV325
2.2K
R257
R256
47K
C256 C259 10K
C263
0.1 0.001
47P C258
0.01
R259
10K
7.4 V (BATT)
Tx-H:7.12V
Tx-M:7.23V
Tx-L:7.32V
Tx-sL:7.34V
R161
N TCG10
EP100 C109 C131
C111 C181 R162
M PZ1608S101A 1
0.001 22K
0.001
0.001 L104
20.0N
0.1 R103
C142 C102
C136 100 C101 C100
0.1
C143 L107 11P 9P 100P
6.8N
0.1
C103
L100
16.0N
2SK3475 15P
C114
L108 Q101 82P Q100 C104 L101
C137
2SK3476
39P 2.5N
0.001 15N L106
L105
C144 MP100
R104 6.8N 1.8N
10P
39
C112
2888 C44
56P
0.001
R100 R3
100
22
R105
47K R101
15K
C128 C127
R4
10 0.001 0.1 R102 C119 C26
1k
Q2
0.001
0.001
1 5
100
C157
MMZ1005Y102C T
0.001 C158
T5 2
10
EP102
3 4
MMZ1005Y102C T
10K
XP1114
R151 R150
R6 C34
1k
560K UNR9211G0 0.001
Q3
C150 VHF
0.01 Tx:0V
Rx:3.05V
C27 L103
R157
10.3N
0.1
15K
C106
C151 0.001
75P
Q4
PSET
C36
UNR9211G0
R160
15K
0.001
UHF
Tx:0V
Rx:3.06V
VHF
Rx:2.89V
LQW18AN82NG00D
L403 R414
R417
1k L401
39K
C412 0.22U
C417
1 R415
4.7K
0.001
C411 LQW18AN82NG00D C408 R409 C407
R419 Q401
100K 2SC5006 L402
5P 1.5P 220
8P
0.001 HVC376B
VHF
Rx:0.86V D401 VHF
R411
Rx:0.44V
C415
C414
R418
47K
C409
220
0.01
C410
100P
0.001
2SC5006
C257
Q 250
50MHz
10P C253
L253
Rx:3.03V
0.15U
L252 50MHz
15P
Rx:1.31V
1U
MA2S077G0 D252
R253
1SV325
22K
D254 R252
0.01
C255 C254 R254 D 253 R251
R255
47K
330
L254
0.01 10K 4.7K
MA2S1110G C252
0.15U
0.001
15MHz
C211
D202
R201
Rx:3.06V L204
0.1
100U
47K MA2S7280G
D203
R202
10K
1SV308
C210
Q200
2SC4215
1
C212
R203 100P
0.1
680
L53
18N L52
C63 C62
18N
D56
8P 5P
D58 C65 1SV308
1SV308 4P
D54
L50 D55
1SV307 16.0N 1SV307
D52 C50
C59 L10
1SV271
1P 1P
0.82U
C54
C52
MA74 2
7P
8P
D50
D11
L12 220P
D53
C58 1SV271
0.82U
MA74 2
R52
390
UNR9211G0
Q50 R15
0.001
D51
C172 C51
1SV271
150
0.001 C57 C55
R53 R50 0.001
C56 220P
47K 47K
0.001 R1
150
C23
0.01
R58
R59 R51
47K 47K 4.7K
C71 C70
100
0.001 0.001
D59
D60
R5
VHF MA742
MA742
Tx:4.40V
C45
L14
0.001
0.82U
C69 C66
1SV308 1P 1P
C108 D61 C72 L55 C43 L7
0.001 0.1 45.3N 54N
0.1
D62 C68 C67
C14
15P 12P
1SV308
LQW18AN56NG00 1.5P
L15
C37
C38
22P D9
18P
1SV308
R9
3.3K
C49
0.001
C41
1
C402
1
R41
R401
R405 2.2K
R400
180K
R403
1k
3.3K
47K
LQW18ANR15G00D
C400 L405 C427 C426 D400
3SK318
Q400 220P 0.001 0.001 1SV308
C401
3.5P
0.001
R404
0.001
C403
C405
L400
0.12 U
R402
220K
R406 220K
100
C404
0.01
MA2S077G0
C250 D 250 L201 L200 D 200
0.12 U 0.1U
22P 1SV308
C203 C201
0.12U
L250
6P 12P
MA2S077G0
D251 C204 C202
L251
R250 56P
33P
2.2K
0.18U
C251
0.01
R200
2.2K
D201
L203 L202
0.33 U 0.33U
M A2S077G0
C208 C206
8P 22P C205
C209
C207 56P
180P
10 - 6
J1(CHASSIS)
1
C47
R14
0.001
150
C7
C9 L3 L2 L1
18P 13.6N 13.6N 9.1N
22P
C3 C1
C5
C8
24P
1.5P 2P 4P
C2
C4
4P R10
L4 6P
82K
47N
C46
0.01 C6
1P
MP201
OG-503040
L6 L5
57.2N 45.5N
C12 C10
5P
1.5P
C13
C11
22P
33P
C:COMMON
Tx-H:TX HIGH POWER
Tx-M: TX MIDDLE POWER
Tx-L: TX LOW POWER
Tx-sL: TX sLOW POWER
*; Refer to "PARTS LIST."