Icom IC-R20, Руководство по обслуживанию

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3.0V
433 MHz
0V
ATT-ON
2.9V
5 MHz
2.0V
145 MHz
2.6V
145 MHz
51 MHz
2.9V
2.9V
145 MHz
2.6V
433 MHz
2.9V
433 MHz
3.0V
145 MHz
2.9V
470 MHz
2.9V
1295 MHz
1.9V
433 MHz
1
2
3
4
5
6
7
8
B_R3V
IFO16
AGC
ATT
IFO10
A_R3V
A-AGC
ANTSW
B_TRAC
A_ATTC
AGC
AGC
AGC
AGC
AGC
AGC
AGC
AGC
AGC
AGC
AGC
R220
15
C214
0.001
R108
2.2k
C16
0.001
C435
0.001
C566
0.01
R88
330
C408
0.001
R226
2.2k
C121
0.001
L61
6.8nH
R6
120
L13
5.6nH
C43
100p
R95
2.2k
Q508
XP4312
1 2 3
4 5 6
L91
3.9
µ
H
D101
MA2S077
C544
0.001
L41
0.1
µ
H
C662
0.1
R98
2.2k
R106
47k
C148
470p
C563
0.001
C539
0.1
R101
47k
R112
2.2k
C537
0.1
C206
3.5p
R216
2.2k
R78
330
R238
100k
L44
4.7nH
C561
0.001
C521
0.1
C27
0.001
R239
2.2k
C13
27p
R231
4.7k
R13 15k
R228
100
C543
0.001
R100
12k
R102
2.2k
C14
0.001
C32
0.001
R230
10k
C665
100p
R105
68
L81
0.27
µ
H
C15
1p
C44
0.01
C50
1p
C49
3p
R11
47k
C40
15p
C524
0.01
R16
47k
C134
0.001
C55
0.001
R110 12k
R10
47k
C12
47p
L39
39nH
L11
15nH
C545
0.01
R236
10k
C41
5p
L56
6.8nH
C47
6p
C218
1p
R221
330
R222
2.2k
C42
3.5p
C538
0.1
C432
0.001
C663
0.1
C560
0.001
C136
7p
C568
47p
C69
0.001
R229
47k
C147
2.5p
L82
0.33
µ
H
C546
0.1
C529
150p
C70
0.001
C410
0.001
R223
2.2k
C569
0.1
L9
33nH
C22
7p
C570
0.001
R99
1k
R224
3.3k
C558
0.001
R91
2.2k
C23
5p
C28
0.001 C59
2p
C674
47p
R237
2.7k
C48
6p
R4
330
C416
27p
L60
6.8nH
C141
0.01
L5
15nH
L83
0.47
µ
H
C516
220p
C30
0.001
C150
0.001
C667
0.01
L92
0.39
µ
H
C536
0.1
C523
0.0015
L85
3.9
µ
H
C233
0.001
C562
0.001
C571
0.001
C414
0.001
L4
22nH
C58
0.001
C548
0.001
C142
0.001
R8
15k
L10
22nH
R240
1k
R18
15k
R93
120
C52
470p
R19
47k
C540
0.1
C5
470p
L12
10nH
R15
47k
L70
0.10
µ
H
C138
470p
R81
2.2k
C153
0.1
C54
0.001
R245
22k
C532
0.1
C677
2p
L93
22nH
L94
33nH
C678
0.001
L95
15nH
FI4 EFCH429MKQP1
I
C679
0.001
C683
0.001
Q509
UNR9113J
IC15
µ
PC2757TB
1
RFI
2
GND
3
LO
4
PS
5
VCC
6
IFO
IC16
µ
PC2757TB
1
RFI
2
GND
3
LO
4
PS
5
VCC
6
IFO
L74
47nH
C747
0.001
C750
0.001
C746
3.5p C748
0.001
R423
15
C436
3p
C749
0.001
L15
47nH
C71
3p
L101
6.8nH
L112
6.8nH
R471
15k
C807
0.001 C808
0.001
C809
0.001
C811
0.001 R472
330
C812
0.001
R473
47k
C814
2p
C815
0.001
C816
0.001
L113
6.8nH
R474
47k
C817
7p
R475
2.2k
D143
1DV308
C827
0.001
C828
0.001
R478
330
R479
15k
C832
0.001
R481
47k
C833
1p C834
0.001 C835
0.001
C836
0.001
R482
2.2k
D147
1SV308
R483
47k
C837
100p
C838
100p
Q550
FH102
1
2
3 4
5
6
R485
4.7k
C839
0.001
C840
0.001
R488
330 C842
0.001
C843
8p
C841
18p
Q551
UPA805T
1
2
3 4
5
6
R490
4.7k
L122
47nH
C844
0.001
C845
8p
C846
0.001
C847
0.001
R491
330
R492
150
R493
150
C849
100p
C850
100p
R484
22k
R489
22k
C851
27p
C852
27p
C853
15p
C854
9p
C855
47p
C856
7p
C857
100p
C858
12p
C859
0.001
Q552
UNR9113J
R495 4.7k
R496
4.7k
C860
0.001
C861
0.001
R494
4.7k
D152 MA2S728
D153 MA2S728
D154 MA2S728
D155
MA2S728
IC18
µ
PC2746TB
1
IN
2
GND
3
GND
4
OUT
5
GND
6
VCC
C864
0.1
C865
0.001
R500
82
C866
0.001
IC19
µ
PC2746TB
1
IN
2
GND
3
GND
4
OUT
5
GND
6
VCC
C664
0.1
R501
4.7k
D156
MA2S728
D157 MA2S728
D158 MA2S728
D159 MA2S728
D160 MA2S728
D161 MA2S728
D162 MA2S728
D163
MA2S728
D164
MA2S728
D166 MA2S728
D167 MA2S728
D168 MA2S728
C868
0.001
R335
100k
C673
0.001
C676
22p
D169
MA2S728
D170
MA2S728
C872
0.1
CP3
ANTENNA
0.1500 – 3304.9999 MHz
IC1
µ
PC2757TB
1
RFI
2
GND
3
LO
4
PS
5
VCC
6
IFO
FI1 EFCH266MKQP1
I
IC10
µ
PC2757TB
1
RFI
2
GND
3
LO
4
PS
5
VCC
6
IFO
Q510
UMD6
1
2
3 4
5
6
D1
HVC350B
D2
HVC350B
D4
HVC350B D5
HVC350B
D141
HVC350B D142
HVC350B
D145
HVC350B D146
HVC350B
D3
1SV308
D11
1SV308
D13
1SV308
D25
1SV308
D29
1SV308
D32
1SV308
D34 1SV308
D36
1SV308
D72
1SV308
D73
1SV308
D74
1SV308
D75
1SV308
D76
MA2S077
C666
390p
D148
MA2S728
D149
MA2S728
D150
MA2S728
D151
MA2S728
L121
0.18
µ
H
L28
68nH
L1
47nH
L119
68nH
L120
47nH
L128
0.1
µ
H
R234
820
R233
820
R232
3.3k
D173
HVC375B
D174
HVC375B
L129
3.9nH
L130
3.9nH
C145
0.001
L131
3.9nH L132
3.9nH
C886
0.001
C887 0.001
D175
HVC375B
D176
HVC375B
R522
100k
R523
100k
R524
100k
Q24
2SC5008
C45
470p
C51
2.5p
C848
3p
C888
0.001
R469
68k
Q548
2SC5006
R14
68k
Q35
2SC5006
Q36
2SC5006
L3
15nH
L133
56nH
L90
100
µ
H
C513
100p
C511
36p
C514
180p
C512
10p
C515
120p
C519
0.0047
C517
100p
C518
220p
C520
0.0018
L84
0.68
µ
H
D65
1SV308
L86
0.68
µ
H
L87
1
µ
H
C527
47p
C528
10p
C530
270p C531
100p
C533
0.0015
C534
100p C535
0.0012
C657
150p
C658
390p
L88
5.6
µ
H
L89
10
µ
H
D66
1SV308
D64
1SV308
D70
1SV308
D67
1SV308
C891
0.01 C522
0.0015
C525
0.0047
C526
0.012
L126
18nH
L127
18nH
L123
47nH
Q507
2SC5008
Q14
2SC5006
Q549
2SC5006
L124
56nH
L125
47nH
R327
100
R235
1k
R225 1k
D69
1SV308
R9
120k
R476
120k
C895
470p
Q505
2SC4226
C897
0.001
C898
0.001
C899
0.001
C900
0.001
C901
0.001
R323 220
R497 220
R324
100
R325
82
R326
82
R498
100
R499
82
R531
100k
R486
100
R487
100
Q26
2SC5624
R20
330
C46
3p
R533
10
C910
100
R241
2.2k
D178
1SS400
CP18
R539
15
R540
15
C921
0.001
L43
1.5nH
Q504
XP1110
1
2
3 4
5
Q506
UNR9110J
C541
0.1 C542
0.1
D68
1SV172
B1C
HFC
B2C
ANTSW
ANTSW
ANTSW
A_TRAC
A_TRAC
A_TRAC
A_TRAC A_TRAC A_TRAC A_TRAC
A_R3V
B_TRAC
B_TRAC
B_TRAC
A_R3V A_R3V
A_R3V
A_R3V
B_G3V B_G3V B_G3V
B_UHF3V B_UHF3V
B_TRAC
A_UHF3V
A_UHF3V
A_UHF3V
A_TRAC
B_ATTC
B_ATTC
B_ATTC
B_ATTC
B_ATTC
B_ATTC
A_R3V
B_R3V
B_R3V
B_R3V
B_R3V
300M3V
A_ATTC
A_ATTC A_ATTC A_ATTC A_ATTC
A_ATTC
A_ATTC
A_ATTC
A_ATTC
ANTSW
B_R3V
B_800M3V B_800M3V
B_800M3V
B_800M3V
B_TRAC B_TRAC B_TRAC
A_VHF3V
ATT
B3C
B_VHF3V
B_R3V
B_RXV
EAR EAR EAR
EAR
C_VCO OUT
A_VCO OUT
B BAND RF IN
B_VCO OUT
B_VCO OUT
C919
0.001
D_VCO OUT
D_VCO OUT
A-BAND VHF
B-BAND VHF
A-BAND UHF
B BAND UHF
B BAND 800M
30 – 300 MHz
B_BAND 1G
UHF PRE-AMP
VHF PRE-AMP
ANTSW
ANTSW
ANTSW
EAR
ANTSW
B BAND RF AMP
A BAND RF AMP
HF H
HF L
MF
O
C567
0.1
R243
100k
CP5
CP6
CP7
D100
SVC347
CP8
R247
2.7
C912
0.1
R538
JPW
R246
220k
W1 W2
EP2
BAR ANTENNA
0.4950 – 1.6200 MHz
1
B
2
W
3
R
4
G
blue
white
red
green
C505 0.001
C504 0.001
C503 0.001
Q501
UNR9113J
C862 0.001
C863 0.001
Q502
XP1113
1
2
3
4
5
Q503
XP1113
1
2
3 4
5
Q554
XP1113
1
2
3 4
5
A_UHF3V
A_VHF3V
B_G3V
B_800M3V
A_UHFC
B_GC
B_800MC
B_VHFC
B_UHFC
A
B_VHF3V
B_VHF3V
B_UHF3V
B_UHF3V
B_UHF3V
300M3V
A_VHFC
A_300MC
A_R3V
B_R3V
O
R329
100k
Q513
XP4601
1 2 3
4 5 6
R330
15k
C669
0.001
A_TRAC
VP
VP
B
Explanatory notes
VOLTAGE LINE
RX LINE
IF_OUT
HJ10
R510
2.2k
C923
10p C924
10p
C923 – C925
except
[SEA], [EXP]
C925
10p
OSC OSC
RFIN
GND
PLLESTB
PLLDATA
PLLCK
PLLESTB
PLLDATA
PLLCK
HJ11
1
1
2
2
3
3
4
4
5
5
6
6
DOWN_CONV
2GLO
1GLO
+3V
to DOWNCONV
BOARD J1
to DOWNCONV
BOARD J2
R534
2.7
C911
100
+3S
DOWN
CONV
BOARD
R511
2.2k
RFIN
11 - 1
SECTION 11 VOLTAGE DIAGRAM
11-1 RF UNIT