Icom IC-2730A Service Manual page 41

• MAIN UNIT (B-8144B)
(TOP VIEW)
2
D21
C122
C108
C50
C37
R575
D110
D109
3
8-3
[ANT]
W1
W1
L92
D79
R123
D31
R77
C139
D25 C168
C147 C163 L44
R88
L37
R67
R102
R65
D23 R97
C182
D29
R108
L22
C97
R43
C148
R47
R41
C93
R33 R80
C90
C75
Q17
C138
R31
C8
C66 L28
C390
L15
R21
D26 D30
C15
R68 C124
L11 C12
D89
R66 C110
D15 D24 D22
R15
R13 C16 L21
D11
D90 C98
L3
C32
C305
R38
C91
C95 R34
R48
R36
L16
R670
C869
R669 Q144 R589
C868
R585 C65
L205
R583
L206 MP207
C28
C810 L102
C867
R666
C813 R586
D91
R588 C878
D120
C896
R846
C1106
C1104
C1102
C1105
C1107
L343 C1099 C1108
C296
R886
R852
C214
D234 D235
MP206
L336 Q32
C1098
R876
Q238
R871
R872 C1097 C1322
C1323
C798
R1046
D115
R573 R559 C780
D233
C1080
C1067
C1142
R829 C1075
L353 Q232
R830
R843 C1079
R541
R833
R838 C1071 C1072
L335
C762
C1095
R824 R817 R815
R539
Q236
R863
R526
C768 C1056
D229
R841
R818 R816
R837 Q227
D230
Q234
L328
L329
L333
IC120
C1092
L331
D223 D224
C1081 D227
C726 C1085 C1053
R828
C728 R811 C1050
R522
R521
C730
C1076
C1048
C732 R507
C696 L327
D106 D105 Q127
D225
C695
C706 R467
C705 C714
Q102
R312
D100
R319
R313
R327
IC317 IC315
IC101
EP107
EP105 R301
C503 C505
C525 R335 R343
EP106
EP104
B-8144B
R252
t=1.6, (4)
J1
C401
L45 D77
R115
D37
C180
C197
C181
D81
D38
Q24
C171
R101
C153
R84
R81
C154 C421 D34 C155 C397
R250
R78
L34
L33
D28
R74
D27
R70
C132
D88
R73
R69
L24
C405
C116
D85
C102
C106
C87
R52
D3
R56
Q20 C85
R57 R61 R55 C89
R59 R53 R51 R50
R30
C101
Q19
C88 C288
D20
R49
R28
L17 R24
R45
D87
R39
C84
L10
L213
R599
EP6 C68
L215 C888
R595
R674 R675 C875 C879
Q22
R678 L210
MP203
Q146 Q145 R76
R75
IC1
C157
L208 L207
C872
R673 C822
C873 R593
R594
R262
R849
R775
C805
C995
C992
C988
R777 C1007
L346 C984
R884
D213 MP202
D212 R137
L313
D50
L50 L51
C1125
R878 C225
Q240
C801
R879
R880 C976
C799
D116
R576 R574 R562 C781
C970
R755
D209
R757
L352
R748
R543 C1144
C964
C763 C972 C943
R738
R540 Q210
R528 R728
C769
C965 R749 R731
C949
R753
D206 R733 R729
R752
R523
Q213
IC121
L307
L309
L304
R747 R740
C959
D201
C733 R812 R814
C735 R508
C1060
C698 L303
D108 D107 Q128
D228 D203
C697
D112
C708
Q120
R516
C707 C715
D111
C749
C745 R440
R870
IC205
C1002 IC102
R868 C1006
C983 C1000
C996
IC316
C1319
J101
[SP1]
R361
C218
Q30
R362
C219
C216
Q29
EP111
R1019 C1321
R1031
1
R1012
C1295 D324
C558
R1002
C555
R681
R389
C588 R374 R368
C606
Q105
C603 C598
C582
C604
R375
C591
C1324 C1300
R380
C600
R411
C607
IC319 IC314
R407
R408
C602
R382
C1325 C1302
R1016 R1022
EP351
R1013
C609
C1296
C882
R429
R430 D339
R424 R423 D319 D321
C638 C637
D314
R432 R431
R448 C648 6 C 4 4 R447 6 C 7 4 C643
C661 C660
D315
D313
C833
C665
C831 C664 D307
C675 C830 C674
C832
R1092
C616
R1090
C613
C208
Q307
C209
Q27
C622
R1089
R415
R1088
R703
R504 R500 C704
R506 R499 R492 R476
R480
R746
R488 R470
C958
Q130
R570
C951
R739 IC123
R503 R498 C703 C785
C950 R505 R497 R491 R474 C794 R569
R479 R551 C789
R727 C938
R487 R469 R564 IC122
D205
Q205
R548 C786
R561
R997 R991
L305
C1269
D202 R637 R612
C932 R611 R643
R994 C1257
C930 R992
C542
C500 C501
R326
C513
Q151 Q152
IC103
C531
D124
R451 R452
C523 R325
R443 C529
R615
R410
C876
C862 R437
R414
R461 R321
R344 C1505
R616
R628
C559 EP363 EP364
C411
R613
C377
C866
R607 R614
R608 R610
C520
MICE
R645
C521 R632
R627
MIC
J102
[SP2]
EP113
EP118
C556
C550
C564
R355
R369
C576
D327
C1284
IC308
C1239
C1281
C1223
R931
R934
R1116
C1256
R1033
C1329
C1326
J301
R1112
R1080
4
GND TX_DATA
RX_DATA 8V