Icom ID-880H

8 - 1
SECTION 8. BOARD LAYOUTS
C44
C45
D16
D17
D18
DS1
DS2
DS4
DS5
DS7
DS8
DS10
DS11
51SD41SD31SD
DS16
DS17
22SD12SD81SD
DS23
DS24
R3
R7
R65
R66
R67
R72
R73
R110
R111
R112
R113
R114
R115
R116 R117
R124
R127
R128
R133
R141
R152
R153
R154
S3
9S8S7S6S5S4S
S10
S11
S14
B7191A
H0H5H10H15H20H25H30H35H40H45H50H55H60H65H70H75H80H85H90H95H100H105H110H115
V0 V5 V10 V15 V20 V25 V30
C4
C6
C7
C8
C9
C10
C12
C13
C15
C16
C18
C19
C25
C28
C29
C30
C32
C33
C34
C35
C37
C40
C44
C46
C47
C48
C58
C61
C65
C66
C74
C77
C80
C88
C91
C92
C94
C97
C102
C103
C112
C114
C127
C129
C133
C134
C135
C136 C137
C138
C139
C140
C142
C146
C147
C148
C152
C153
C167
C169
C170
C171
C177
C181
C184
C187
C188
C193
C194
C195
C196
C204
C205
C206
C213
C215
C217
C219
C220
C222
C223
C225
C234
C235
C237
C242
C244
C249
C251
C255
C260
C261
C265
C267
C270
C271
C276
C283
C284
C289
C306
C315
C331
C334
C337
C339
C340
C341
C343
C345
C347
C349
C350
C352
C355
C358
C360
C361
C363
C364
C365
C366
C367
C369
C370
C375
C378
C380
C384
C389
C394
C399
C400
C402
C403
C404
C412
C416
C418
C419 C422
C424
C426
C432
C433
C435
C436
C440
C442
C443
C444
C445
C452
C456
C457
C461
C462
C464
C466
C467
C468
C469
C470
C473
C474
C476
C477
C478
C479
C482
C484
C487
C491
C492
C493
C495
C500
C502
C503
C508
C509
C511
C516
C520
C521
C522
C523
C524
C525
C529
C531
C534
C536
C537
C538
C539
C540
C541
C543
C544
C547
C548
C551
C554
C558
C560
C562
C563
C565
C566
C567
C568
C581
C584
C585
C588
C589
C591
C592
C593
C597
C600
C601
C603
C605
C607
C611
C612
C617
C618
C619
C620
C621
C622
C623
C624
C625
C626
C628
C629
C630
C635
C636
C637
C638
C639
C640
C641
C642
C643
C647
C650
C653
C655
C657
C660
C661
C662
C663
C664
C665
C666
C667
C668
C669
C670
C672
C675
C676
C678
C679
C680
C683
C684
C689
C692
C695
C698
C704
C708
C710
C717
C718
C719
C722
C730
C759
C760
C761
C762
C763
C764
C765
C766
C767
C768
C769
C770
C771
C772
C773
C777
C779
C780
C783
C793
C797
C830
C831
C836
C838
C839
C841
C844
C846
C847
C849
C850C851
C852
C855
C856
C857
C858
C859
C860
C861
C862
C863
C864
C865
C866
C867
C872
C874
C878
C879
C882
C883
C886
C894
C895
C896
C898
C900
C912
C918
C919
C924
C925
C934
C937
C938
C942
C944
C945
C946
C948
C952
C957
C959
C960
C961
C962
C963
C964
C965
C966 C967
C968
C969
C970
C971
C972
C973
C974
C975
C976
C977
C978
C979
C980
C981
C982
C984
C985
C986
C990
C991
C992
C1006
C1007
C1008
C1009
C1010
C1011
C1012
C1013
C1014
C1017
C1022
C1025
C1026
C1028
C1032
C1034
C1035
C1036
C1038
C1049
C1057
C1058
C1059
C1063
C1064
C1066
C1067
C1070
C1071
C1072
C1074
C1076
C1077
C1078
C1079 C1080
C1081
C1082
C1083
C1087 C1088 C1089
C1091
C1093
C1094
C1098
C1099
C1101
C1102
C1103
C1104
C1105
C1106
D1
D2
D3
D9
D12
D13
D14
D16
D18
D20
D23
D36
D41
D44
D45
D49
D51
D53
D56
D57
D58
D60
D77
D78
D79
D87
D88
D91
D92
D95
D97
D101
D104
D110 D111
D117
D119
D120
D122
D124 D125 D126 D127
D128
D134 D135
D140
D141
D145
D146
D147
D148
D160
D162
D165
D166
D167
D168
D169
D170
D172
D173
D175
D178
D179
D180
D181
D185
D186
D187
D188
D1004
D1005
D1006
D1007
D1008
D1009
EP1
EP2
EP5
EP6
EP7
EP8
EP9
EP10
EP11
EP12
EP13
EP14
EP15
EP16
EP17
EP18
EP23
EP24
EP31
EP32
EP33
EP37
EP38
EP41
EP43
EP49
EP51
EP52
EP53
EP59
EP60
EP61
EP62
EP64
EP68
EP69
EP70
EP71
EP72
EP1000
EP1001
EP1002
EP1009
FI1
FI2
FI6
IC1
IC2
IC3
IC8
IC9
IC11
IC13
IC15
IC17
IC22
IC23
IC26
IC28
IC30
IC34
IC42
IC46
IC48
IC49
IC51
IC53
IC55
IC64
IC65
IC66
IC67
IC1001
IC1003
IC1004
IC1009
IC1012
IC1014
IC1015
J1
J24
L1
L3
L4
L10
L31
L32
L38
L40
L42
L43
L45
L48
L49
L51
L54
L55
L57
L58
L59
L63
L64
L65
L66
L67
L68
L69
L71
L94
L97
L102
L105
L107
L110
L116
L118
L121
L128
L130
L131
L133
L134
L135
L144
L145
L146
L150
L162
L163
L166L167
L168
L169
L170
L172
L173
L175
L176
L177
L178
MP5
MP6
MP9
MP10
Q3 Q6 Q9
Q11
Q12
Q13
Q14
Q15
Q17
Q19
Q21
Q28
Q33
Q34 Q35
Q41
Q43
Q44
Q46
Q47
Q50
Q53
Q54
Q56
Q59
Q64
Q65
Q66
Q68
Q73
Q76
Q79
Q82
Q83
Q84
Q87
Q88
Q90
Q92
Q93
Q94
Q96
Q97
Q99
Q100
Q102
Q109
Q110
Q111
Q113
Q118
Q121
Q122
Q123
Q124
Q125
Q1002
Q1003
Q1004
Q1007
Q1010
Q1013
Q1014
Q1016
R8
R9
R11
R12
R16
R17
R20
R23
R27
R29
R35
R41
R44
R45
R48
R52
R53
R56
R58
R72
R78
R79
R98
R103
R107
R108
R112
R113
R118
R120
R135
R137
R139
R144
R147
R149 R155
R156
R160
R161
R164
R169
R170
R174
R179
R181
R182
R183
R185
R187
R188
R189
R190
R192
R199
R204
R208
R215
R240
R246
R247
R251
R252
R253
R255
R256
R258
R262 R265
R266
R267
R271
R272
R276
R277
R278
R283
R285
R288
R293
R301
R302
R303
R305
R307
R308
R317
R321
R324
R339
R342
R345
R346
R348
R351
R352
R354
R356
R357
R358
R359
R360
R361
R362
R363
R364
R365
R368
R369
R370
R373
R377
R378
R379
R380
R381
R382
R383
R384
R386
R387
R390
R394
R396
R404R411
R412
R413
R426
R427
R428
R432
R433
R435
R436
R439
R440
R441
R449
R450
R452
R455
R459
R460
R461
R462
R463
R465
R473
R476
R479
R480
R482
R484
R486
R490
R491
R492
R497
R498
R499
R500 R501
R504
R506
R521
R522 R523
R524
R527
R529
R530
R532 R533
R534
R536
R537
R538
R539
R540
R541
R545
R547 R549
R550
R553
R557
R560
R562
R566
R567
R568
R570
R571
R572
R579
R581
R582R583
R584R585
R586
R588
R592
R593
R594
R598
R600
R608
R609
R610
R612
R614
R615
R617
R618 R619
R620
R621
R626
R627
R628
R631
R632
R639
R642
R644
R645
R659
R660 R664
R694
R695
R696
R697
R698
R699
R700
R701
R702
R703
R704
R705
R708
R712
R713
R714
R717
R723
R724
R727
R748
R754
R756
R758
R759
R762
R763 R764
R765
R766
R767 R768
R769
R770
R771
R772
R773
R774
R775
R777 R778
R779R780
R781
R782R783
R784
R785
R786
R787
R788
R789
R796
R800
R804
R805
R806
R807R808
R809
R810
R817
R818
R819
R825
R848
R849
R850
R851
R852
R853
R858
R859
R860
R861
R863
R865
R866
R867
R875
R876
R883
R887
R888
R891
R893
R894
R895
R896
R897
R899
R900
R901 R902
R903
R904
R906
R907
R908
R909
R910
R911
R912
R913
R917 R918
R919
R920
R921
R930
R931
R932
R933
R935
R1006
R1007
R1008
R1010
R1011
R1012
R1014
R1015
R1016
R1018
R1020
R1023
R1026
R1035
R1037
R1038
R1040
R1041
R1044
R1045
R1046
R1047
R1048
R1049
R1059
R1060
R1061
R1068
R1069
R1070
R1071
R1072
R1073
R1074
R1075
R1076
R1077 R1078
R1081
R1083
R1085
R1086
R1087
R1088
R1089
R1092
R1093
R1095
R1096
R1097
R1098
R1099
R1101
R1102
R1103
R1104
R1105
W5
X2
X2
MP10
MP9
MP5
B-7192A
MP6
H0H5H10H15H20H25H30H35H40H45H50H55H60H65H70H75H80H85H90H95H100H105H110H115H120H125
V0 V5 V10 V15 V20 V25 V30 V35 V40 V45 V50 V55 V60 V65 V70 V75 V80 V85 V90 V95 V100 V105 V110 V115 V120 V125 V130 V135
• MAIN UNIT
(TOP VIEW)
• CONTROL UNIT
(TOP VIEW)
NMI
MD2
ICURX
ICUSCK
ICUTX
GND GND
GND
RESET
ANT
CHASSIS
J21
Po-SW
GND
RDATA
TDATA
12V
8V
MICU/D
EXTMIC
PTT
MICE
MIC
GND
12V
TDATA
RDATA
GND
GND
Po-SW
MICIN
The combination of top side and bottom side of this