Icom IC-R20 Service Manual - Page 38

RF unit

Page 38 highlights

[RF UNIT] REF ORDER NO. NO. DESCRIPTION M. IC1 1110005230 S.IC µPC2757TB-E3 T IC2 1110003200 S.IC TA31136FN (EL) T IC10 1110005230 S.IC µPC2757TB-E3 T IC12 1130011770 S.IC CD4066BPWR B IC14 1110006360 S.IC M62366GP D60J T IC15 1110005230 S.IC µPC2757TB-E3 T IC16 1110005230 S.IC µPC2757TB-E3 T IC17 1110003200 S.IC TA31136FN (EL) T IC18 1110005180 S.IC µPC2746TB-E3 T IC19 1110005180 S.IC µPC2746TB-E3 T IC20 1110006360 S.IC M62366GP D60J T IC21 1130011770 S.IC CD4066BPWR T IC22 1130011760 S.IC CD4094BPWR B Q1 1590001190 S.TRANSISTOR XP6501-(TX) .AB B Q4 1590001190 S.TRANSISTOR XP6501-(TX) .AB B Q5 1530003260 S.TRANSISTOR 2SC5006-T1 T Q14 1530003260 S.TRANSISTOR 2SC5006-T1 B Q24 1530003810 S.TRANSISTOR 2SC5008-T1 T Q26 1530003780 S.TRANSISTOR 2SC5624VH-TL T Q35 1530003260 S.TRANSISTOR 2SC5006-T1 T Q36 1530003260 S.TRANSISTOR 2SC5006-T1 T Q41 1590003230 S.TRANSISTOR UNR9113J-(TX) T Q44 1590001660 S.TRANSISTOR XP4312 (TX) B Q501 1590003230 S.TRANSISTOR UNR9113J-(TX) B Q502 1590001810 S.TRANSISTOR XP1113 (TX) B Q503 1590001810 S.TRANSISTOR XP1113 (TX) B Q504 1590001680 S.TRANSISTOR XP1110 (TX) B Q505 1530002880 S.TRANSISTOR 2SC4226-T1 R24 B Q506 1590003410 S.TRANSISTOR UNR9110J-(TX) B Q507 1530003810 S.TRANSISTOR 2SC5008-T1 B Q508 1590001660 S.TRANSISTOR XP4312 (TX) B Q509 1590003230 S.TRANSISTOR UNR9113J-(TX) B Q510 1590001540 S.TRANSISTOR UMD6N TR B Q513 1590001650 S.TRANSISTOR XP4601 (TX) B Q519 1590003230 S.TRANSISTOR UNR9113J-(TX) B Q521 1530003630 S.TRANSISTOR 2SC4617 TLS T Q522 1530003630 S.TRANSISTOR 2SC4617 TLS T Q523 1530003630 S.TRANSISTOR 2SC4617 TLS T Q524 1530003630 S.TRANSISTOR 2SC4617 TLS T Q525 1590001190 S.TRANSISTOR XP6501-(TX) .AB T Q526 1590003230 S.TRANSISTOR UNR9113J-(TX) T Q527 1590003230 S.TRANSISTOR UNR9113J-(TX) T Q528 1530003260 S.TRANSISTOR 2SC5006-T1 T Q529 1590003290 S.TRANSISTOR UNR9213J-(TX) B Q530 1530003630 S.TRANSISTOR 2SC4617 TLS T Q531 1530003630 S.TRANSISTOR 2SC4617 TLS T Q532 1560000810 S.FET 2SK1069-4-TL T Q534 1590001810 S.TRANSISTOR XP1113 (TX) B Q535 1590001810 S.TRANSISTOR XP1113 (TX) B Q540 1530003260 S.TRANSISTOR 2SC5006-T1 T Q542 1530003260 S.TRANSISTOR 2SC5006-T1 T Q543 1590003230 S.TRANSISTOR UNR9113J-(TX) T Q544 1590001190 S.TRANSISTOR XP6501-(TX) .AB B Q545 1590001190 S.TRANSISTOR XP6501-(TX) .AB B Q546 1590001660 S.TRANSISTOR XP4312 (TX) B Q547 1590003290 S.TRANSISTOR UNR9213J-(TX) B Q548 1530003260 S.TRANSISTOR 2SC5006-T1 T Q549 1530003260 S.TRANSISTOR 2SC5006-T1 B Q550 1530003610 S.TRANSISTOR FH102-TL B Q551 1590002650 S.TRANSISTOR UPA805T-T1 T Q552 1590003230 S.TRANSISTOR UNR9113J-(TX) T Q553 1590001810 S.TRANSISTOR XP1113 (TX) B Q554 1590001810 S.TRANSISTOR XP1113 (TX) B Q555 1530003260 S.TRANSISTOR 2SC5006-T1 T Q556 1530003630 S.TRANSISTOR 2SC4617 TLS T D1 1750000710 S.VARICAP HVC350BTRF B D2 1750000710 S.VARICAP HVC350BTRF B D3 1790001620 S.DIODE 1SV308 (TPL3) T D4 1750000710 S.VARICAP HVC350BTRF T D5 1750000710 S.VARICAP HVC350BTRF T D11 1790001620 S.DIODE 1SV308 (TPL3) T D13 1790001620 S.DIODE 1SV308 (TPL3) T D25 1790001620 S.DIODE 1SV308 (TPL3) B D29 1790001620 S.DIODE 1SV308 (TPL3) T D32 1790001620 S.DIODE 1SV308 (TPL3) T D34 1790001620 S.DIODE 1SV308 (TPL3) T D36 1790001620 S.DIODE 1SV308 (TPL3) T M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side) [RF UNIT] REF ORDER NO. NO. D57 D58 D59 D60 D61 D64 D65 D66 D67 D68 D69 D70 D72 D73 D74 D75 D76 D100 D101 D106 D107 D108 D109 D110 D111 D112 D113 D114 D115 D116 D117 D119 D121 D130 D131 D132 D133 D134 D135 D136 D137 D138 D139 D141 D142 D143 D145 D146 D147 D148 D149 D150 D151 D152 D153 D154 D155 D156 D157 D158 D159 D160 D161 D162 D163 D164 D165 D166 D167 D168 D169 D170 D171 D172 D173 D174 D175 D176 D178 D179 1790001240 S.DIODE 1790001260 S.DIODE 1790001260 S.DIODE 1790001260 S.DIODE 1790001260 S.DIODE 1790001620 S.DIODE 1790001620 S.DIODE 1790001620 S.DIODE 1790001620 S.DIODE 1720000240 S.DIODE 1790001620 S.DIODE 1790001620 S.DIODE 1790001620 S.DIODE 1790001620 S.DIODE 1790001620 S.DIODE 1790001620 S.DIODE 1790001260 S.DIODE 1720000820 S.VARICAP 1790001260 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1790001240 S.DIODE 1790001790 S.DIODE 1790001790 S.DIODE 1160000140 S.DIODE 1160000140 S.DIODE 1160000140 S.DIODE 1790001260 S.DIODE 1790001260 S.DIODE 1790001260 S.DIODE 1790001260 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1750000940 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1750000710 S.VARICAP 1750000710 S.VARICAP 1790001620 S.DIODE 1750000710 S.VARICAP 1750000710 S.VARICAP 1790001620 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1790001240 S.DIODE 1750000710 S.VARICAP 1790001240 S.DIODE 1750000720 S.VARICAP 1750000720 S.VARICAP 1750000720 S.VARICAP 1750000720 S.VARICAP 1750000940 S.DIODE 1750000940 S.DIODE DESCRIPTION M. MA2S728-(TX) B MA2S077-(TX) T MA2S077-(TX) T MA2S077-(TX) T MA2S077-(TX) T 1SV308 (TPL3) B 1SV308 (TPL3) B 1SV308 (TPL3) B 1SV308 (TPL3) B 1SV172 (TE85R) B 1SV308 (TPL3) B 1SV308 (TPL3) B 1SV308 (TPL3) B 1SV308 (TPL3) B 1SV308 (TPL3) B 1SV308 (TPL3) T MA2S077-(TX) B SVC347S/T-TL B MA2S077-(TX) T ISS400 TE61 B ISS400 TE61 B ISS400 TE61 T ISS400 TE61 T ISS400 TE61 T ISS400 TE61 T ISS400 TE61 T ISS400 TE61 T MA2S728-(TX) B RB876W TL T RB876W TL T DAP222 TL B DAP222 TL B DAP222 TL B MA2S077-(TX) T MA2S077-(TX) T MA2S077-(TX) T MA2S077-(TX) T ISS400 TE61 T ISS400 TE61 T ISS400 TE61 T ISS400 TE61 T MA2S728-(TX) B MA2S728-(TX) B HVC350BTRF T HVC350BTRF T 1SV308 (TPL3) T HVC350BTRF B HVC350BTRF B 1SV308 (TPL3) B MA2S728-(TX) B MA2S728-(TX) B MA2S728-(TX) T MA2S728-(TX) T MA2S728-(TX) B MA2S728-(TX) T MA2S728-(TX) T MA2S728-(TX) T MA2S728-(TX) T MA2S728-(TX) T MA2S728-(TX) T MA2S728-(TX) T MA2S728-(TX) T MA2S728-(TX) B MA2S728-(TX) B MA2S728-(TX) B MA2S728-(TX) B MA2S728-(TX) T MA2S728-(TX) B MA2S728-(TX) T MA2S728-(TX) T MA2S728-(TX) B MA2S728-(TX) B HVC350BTRF T MA2S728-(TX) T HVC375BTRF T HVC375BTRF T HVC375BTRF T HVC375BTRF T ISS400 TE61 T ISS400 TE61 T S.=Surface mount 6 - 9

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[RF UNIT]
[RF UNIT]
IC1
1110005230
S.IC
μPC2757TB-E3
T
IC2
1110003200
S.IC
TA31136FN (EL)
T
IC10
1110005230
S.IC
μPC2757TB-E3
T
IC12
1130011770
S.IC
CD4066BPWR
B
IC14
1110006360
S.IC
M62366GP D60J
T
IC15
1110005230
S.IC
μPC2757TB-E3
T
IC16
1110005230
S.IC
μPC2757TB-E3
T
IC17
1110003200
S.IC
TA31136FN (EL)
T
IC18
1110005180
S.IC
μPC2746TB-E3
T
IC19
1110005180
S.IC
μPC2746TB-E3
T
IC20
1110006360
S.IC
M62366GP D60J
T
IC21
1130011770
S.IC
CD4066BPWR
T
IC22
1130011760
S.IC
CD4094BPWR
B
Q1
1590001190
S.TRANSISTOR
XP6501-(TX) .AB
B
Q4
1590001190
S.TRANSISTOR
XP6501-(TX) .AB
B
Q5
1530003260 S.TRANSISTOR
2SC5006-T1
T
Q14
1530003260 S.TRANSISTOR
2SC5006-T1
B
Q24
1530003810 S.TRANSISTOR
2SC5008-T1
T
Q26
1530003780 S.TRANSISTOR
2SC5624VH-TL
T
Q35
1530003260 S.TRANSISTOR
2SC5006-T1
T
Q36
1530003260 S.TRANSISTOR
2SC5006-T1
T
Q41
1590003230 S.TRANSISTOR
UNR9113J-(TX)
T
Q44
1590001660 S.TRANSISTOR
XP4312 (TX)
B
Q501
1590003230 S.TRANSISTOR
UNR9113J-(TX)
B
Q502
1590001810 S.TRANSISTOR
XP1113 (TX)
B
Q503
1590001810 S.TRANSISTOR
XP1113 (TX)
B
Q504
1590001680 S.TRANSISTOR
XP1110 (TX)
B
Q505
1530002880
S.TRANSISTOR
2SC4226-T1 R24
B
Q506
1590003410 S.TRANSISTOR
UNR9110J-(TX)
B
Q507
1530003810 S.TRANSISTOR
2SC5008-T1
B
Q508
1590001660 S.TRANSISTOR
XP4312 (TX)
B
Q509
1590003230 S.TRANSISTOR
UNR9113J-(TX)
B
Q510
1590001540
S.TRANSISTOR
UMD6N TR
B
Q513
1590001650 S.TRANSISTOR
XP4601 (TX)
B
Q519
1590003230 S.TRANSISTOR
UNR9113J-(TX)
B
Q521
1530003630 S.TRANSISTOR
2SC4617
TLS
T
Q522
1530003630 S.TRANSISTOR
2SC4617
TLS
T
Q523
1530003630 S.TRANSISTOR
2SC4617
TLS
T
Q524
1530003630 S.TRANSISTOR
2SC4617
TLS
T
Q525
1590001190
S.TRANSISTOR
XP6501-(TX) .AB
T
Q526
1590003230 S.TRANSISTOR
UNR9113J-(TX)
T
Q527
1590003230 S.TRANSISTOR
UNR9113J-(TX)
T
Q528
1530003260 S.TRANSISTOR
2SC5006-T1
T
Q529
1590003290 S.TRANSISTOR
UNR9213J-(TX)
B
Q530
1530003630 S.TRANSISTOR
2SC4617
TLS
T
Q531
1530003630 S.TRANSISTOR
2SC4617
TLS
T
Q532
1560000810 S.FET
2SK1069-4-TL
T
Q534
1590001810 S.TRANSISTOR
XP1113 (TX)
B
Q535
1590001810 S.TRANSISTOR
XP1113 (TX)
B
Q540
1530003260 S.TRANSISTOR
2SC5006-T1
T
Q542
1530003260 S.TRANSISTOR
2SC5006-T1
T
Q543
1590003230 S.TRANSISTOR
UNR9113J-(TX)
T
Q544
1590001190
S.TRANSISTOR
XP6501-(TX) .AB
B
Q545
1590001190
S.TRANSISTOR
XP6501-(TX) .AB
B
Q546
1590001660 S.TRANSISTOR
XP4312 (TX)
B
Q547
1590003290 S.TRANSISTOR
UNR9213J-(TX)
B
Q548
1530003260 S.TRANSISTOR
2SC5006-T1
T
Q549
1530003260 S.TRANSISTOR
2SC5006-T1
B
Q550
1530003610 S.TRANSISTOR
FH102-TL
B
Q551
1590002650 S.TRANSISTOR
UPA805T-T1
T
Q552
1590003230 S.TRANSISTOR
UNR9113J-(TX)
T
Q553
1590001810 S.TRANSISTOR
XP1113 (TX)
B
Q554
1590001810 S.TRANSISTOR
XP1113 (TX)
B
Q555
1530003260 S.TRANSISTOR
2SC5006-T1
T
Q556
1530003630 S.TRANSISTOR
2SC4617
TLS
T
D1
1750000710 S.VARICAP
HVC350BTRF
B
D2
1750000710 S.VARICAP
HVC350BTRF
B
D3
1790001620 S.DIODE
1SV308 (TPL3)
T
D4
1750000710 S.VARICAP
HVC350BTRF
T
D5
1750000710 S.VARICAP
HVC350BTRF
T
D11
1790001620 S.DIODE
1SV308 (TPL3)
T
D13
1790001620 S.DIODE
1SV308 (TPL3)
T
D25
1790001620 S.DIODE
1SV308 (TPL3)
B
D29
1790001620 S.DIODE
1SV308 (TPL3)
T
D32
1790001620 S.DIODE
1SV308 (TPL3)
T
D34
1790001620 S.DIODE
1SV308 (TPL3)
T
D36
1790001620 S.DIODE
1SV308 (TPL3)
T
S.=Surface mount
D57
1790001240 S.DIODE
MA2S728-(TX)
B
D58
1790001260 S.DIODE
MA2S077-(TX)
T
D59
1790001260 S.DIODE
MA2S077-(TX)
T
D60
1790001260 S.DIODE
MA2S077-(TX)
T
D61
1790001260 S.DIODE
MA2S077-(TX)
T
D64
1790001620 S.DIODE
1SV308 (TPL3)
B
D65
1790001620 S.DIODE
1SV308 (TPL3)
B
D66
1790001620 S.DIODE
1SV308 (TPL3)
B
D67
1790001620 S.DIODE
1SV308 (TPL3)
B
D68
1720000240 S.DIODE
1SV172 (TE85R)
B
D69
1790001620 S.DIODE
1SV308 (TPL3)
B
D70
1790001620 S.DIODE
1SV308 (TPL3)
B
D72
1790001620 S.DIODE
1SV308 (TPL3)
B
D73
1790001620 S.DIODE
1SV308 (TPL3)
B
D74
1790001620 S.DIODE
1SV308 (TPL3)
B
D75
1790001620 S.DIODE
1SV308 (TPL3)
T
D76
1790001260 S.DIODE
MA2S077-(TX)
B
D100
1720000820 S.VARICAP
SVC347S/T-TL
B
D101
1790001260 S.DIODE
MA2S077-(TX)
T
D106
1750000940
S.DIODE
ISS400 TE61
B
D107
1750000940
S.DIODE
ISS400 TE61
B
D108
1750000940
S.DIODE
ISS400 TE61
T
D109
1750000940
S.DIODE
ISS400 TE61
T
D110
1750000940
S.DIODE
ISS400 TE61
T
D111
1750000940
S.DIODE
ISS400 TE61
T
D112
1750000940
S.DIODE
ISS400 TE61
T
D113
1750000940
S.DIODE
ISS400 TE61
T
D114
1790001240 S.DIODE
MA2S728-(TX)
B
D115
1790001790
S.DIODE
RB876W TL
T
D116
1790001790
S.DIODE
RB876W TL
T
D117
1160000140
S.DIODE
DAP222 TL
B
D119
1160000140
S.DIODE
DAP222 TL
B
D121
1160000140
S.DIODE
DAP222 TL
B
D130
1790001260 S.DIODE
MA2S077-(TX)
T
D131
1790001260 S.DIODE
MA2S077-(TX)
T
D132
1790001260 S.DIODE
MA2S077-(TX)
T
D133
1790001260 S.DIODE
MA2S077-(TX)
T
D134
1750000940
S.DIODE
ISS400 TE61
T
D135
1750000940
S.DIODE
ISS400 TE61
T
D136
1750000940
S.DIODE
ISS400 TE61
T
D137
1750000940
S.DIODE
ISS400 TE61
T
D138
1790001240 S.DIODE
MA2S728-(TX)
B
D139
1790001240 S.DIODE
MA2S728-(TX)
B
D141
1750000710 S.VARICAP
HVC350BTRF
T
D142
1750000710 S.VARICAP
HVC350BTRF
T
D143
1790001620 S.DIODE
1SV308 (TPL3)
T
D145
1750000710 S.VARICAP
HVC350BTRF
B
D146
1750000710 S.VARICAP
HVC350BTRF
B
D147
1790001620 S.DIODE
1SV308 (TPL3)
B
D148
1790001240 S.DIODE
MA2S728-(TX)
B
D149
1790001240 S.DIODE
MA2S728-(TX)
B
D150
1790001240 S.DIODE
MA2S728-(TX)
T
D151
1790001240 S.DIODE
MA2S728-(TX)
T
D152
1790001240 S.DIODE
MA2S728-(TX)
B
D153
1790001240 S.DIODE
MA2S728-(TX)
T
D154
1790001240 S.DIODE
MA2S728-(TX)
T
D155
1790001240 S.DIODE
MA2S728-(TX)
T
D156
1790001240 S.DIODE
MA2S728-(TX)
T
D157
1790001240 S.DIODE
MA2S728-(TX)
T
D158
1790001240 S.DIODE
MA2S728-(TX)
T
D159
1790001240 S.DIODE
MA2S728-(TX)
T
D160
1790001240 S.DIODE
MA2S728-(TX)
T
D161
1790001240 S.DIODE
MA2S728-(TX)
B
D162
1790001240 S.DIODE
MA2S728-(TX)
B
D163
1790001240 S.DIODE
MA2S728-(TX)
B
D164
1790001240 S.DIODE
MA2S728-(TX)
B
D165
1790001240 S.DIODE
MA2S728-(TX)
T
D166
1790001240 S.DIODE
MA2S728-(TX)
B
D167
1790001240 S.DIODE
MA2S728-(TX)
T
D168
1790001240 S.DIODE
MA2S728-(TX)
T
D169
1790001240 S.DIODE
MA2S728-(TX)
B
D170
1790001240 S.DIODE
MA2S728-(TX)
B
D171
1750000710 S.VARICAP
HVC350BTRF
T
D172
1790001240 S.DIODE
MA2S728-(TX)
T
D173
1750000720 S.VARICAP
HVC375BTRF
T
D174
1750000720 S.VARICAP
HVC375BTRF
T
D175
1750000720 S.VARICAP
HVC375BTRF
T
D176
1750000720 S.VARICAP
HVC375BTRF
T
D178
1750000940
S.DIODE
ISS400 TE61
T
D179
1750000940
S.DIODE
ISS400 TE61
T
6 - 9
REF
ORDER
DESCRIPTION
M.
NO.
NO.
REF
ORDER
DESCRIPTION
M.
NO.
NO.
M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)