![background image](http://html2.mh-extra.com/html/icom/ic-7100/ic-7100_service-manual-addendum_3610552074.webp)
28
The actual configuration of the PC board can be seen by viewing the top and bottom BOARD LAYOUT pages together.
• PA UNIT B-7550I (Top view)
See the PARTS LIST H/V location on the PARTS LIST for location details.
C101
C104
C105
C106
C107
C114
C116
C118
C122
C151
C152
C163
C164
C201
C202
C214
C216
C218
C254
C262
C266
C291
C305
2
1
3
C
1
1
3
C
C314
C315
C319
C320
C323
C327
C362
C373
C374
C375
C376
C377
C378
C379
C381
C382
C383
C411
C412
C413
C420
C422
C423
C428
C429
C430
C431
C432
C433
C434
C435
C436
C437
C438
C439
C440
C441
C442
C443
C444
C448
C452
C454
C456
C458
C462
C463
C464
C465
C466
C467
C468
C470
C471
C472
C473
C474
C482
C484
C491
C501
C503
C504
C513
C514
C516
C518
C521
C523
C525
C531
C533
C534
C535
C536
C541
C542
C543
C544
C545
C546
C547
C551
C552
C553
C554
C555
C556
C557
C558
C559
C561
C562
C591
C592
C651
C653
C654
C663
C664
C701
C702
C703
C704
C705
C707
C708
C709
C710
C711
C712
C713
C714
C715
C716
C717
C718
C722
C723
C724
C725
C727
C728
C729
C741
C742
C743
C750
C755
C756
C766
C771
C772
C773
C774
C775
C776
C777
C779
C792
C793
C794
C801
C803
C805
C807
C820
C832
C840
C852
C856
C860
C863
C872
C873
C876
C880
C892
C894
C900
C912
C920
C932
C940
C952
C961
C964
C967
C972
C979
C1001
C1042
CP971
CP972
D151
D153
D162
D161
D261
D371
D372
D373
D422
D426
D427
D428
D431
D432
D433
D434
D451
D452
D454
D455
D456
D461
D501
D551
D552
D553
D554
D555
D556
D557
D558
D559
D560
D561
D651
D661
D801
EP3
EP4
EP105
EP501
EP701
EP702
EP704
EP705
EP706
EP71
1
EP71
2
EP71
3
EP71
4
EP71
5
EP71
6
EP71
7
EP71
8
EP721
EP722
EP723
EP724
EP725
EP726
EP727
EP741
EP742
EP751
EP772
EP79
1
F1
IC361
IC651
IC751
IC960
J101
J701
J711
J741
J741
J791
L101
L103
L104
L107
L108
L109
L152
L203
L204
L301
L302
L303
L304
L305
L307
L308
L411
L421
L423
L424
L425
L426
L427
L431
L432
L433
L434
L435
L436
L437
L441
L442
L451
L452
L453
L454
L481
L482
L521
L522
L523
L531
L532
L533
L541
L542
L543
L551
L552
L553
L555
L557
L558
L560
L591
L592
L593
L651
L652
L661
L701
L702
L731
L732
L741
L742
L751
L752
L801
L802
L803
L822
L823
L841
L842
L843
L861
L862
L863
L881
L882
L901
L902
L903
L921
L922
L942
L943
L960
L961
MP503
MP602
2
0
1
Q
1
0
1
Q
Q251
Q291
Q292
Q301
Q302
Q391
Q392
Q421
Q422
Q431
Q432
Q451
Q452
Q481
Q491
Q492
Q551
Q552
Q651
Q661
Q771
Q772
Q773
Q774
Q775
Q776
Q777
Q779
R101
R102
R103
R108
R109
R118
R151
R163
R205
R261
R292
R293
R301
R302
R303
R308
R309
R310
R311
R361
R364
R365
R391
R392
R393
R394
R424
R426
R429
R431
R435
R452
R453
R456
R461
R463
R477
R481
R482
R483
R484
R492
R493
R502
R504
R521
R533
R534
R551
R552
R553
R557
R558
R559
R560
R561
R562
R563
R564
R651
R654
R655
R656
R659
R661
R664
R665
R666
R751
R752
R753
R754
R771
R772
R804
R808
R967
R968
R970
R973
R974
R975
R976
R977
R978
RL531
RL801
RL820
RL821
RL840
RL841
RL860
RL861
RL880
RL881
RL900
RL901
RL920
RL921
RL940
RL941
B-7550I
PA
MP601
1
0
9
P
M
J701
5A
J791
FUSE
RED
BLACK
J711
1
2
3
4
5
6
7
8
9
10
11
MP502
MP504
H
0
H
5
H
1
0
H
1
5
H
2
0
H
2
5
H
3
0
H
3
5
H
4
0
H
4
5
H
5
0
H
5
5
H
6
0
H
6
5
H
7
0
H
7
5
H
8
0
H
8
5
H
9
0
H
9
5
H
1
0
0
H
1
0
5
H
1
1
0
H
1
1
5
H
1
2
0
H
1
2
5
H
1
3
0
H
1
3
5
H
1
4
0
H
1
4
5
H
1
5
0
H
1
5
5
V0
V5
V1
0
V1
5
V2
0
V2
5
V3
0
V3
5
V4
0
V4
5
V5
0
V5
5
V6
0
V6
5
V7
0
V7
5
V8
0
V8
5
V9
0
V9
5V
10
0V
10
5V
11
0V
11
5V
12
0V
12
5V
13
0V
13
5V
14
0V
14
5V
15
0V
15
5V
16
0V
16
5V
17
0V
17
5V
18
0V
18
5
MCK
JMST
3R3
V
JFDAT
GND
EKEY
ESTA
PHT8
FANV
PVTXS
PUTXS
D
R
ID
V
PT8V
PT8V
VUATS
THML
B1V
B2V
PHT
VBANDS
PVR8
PUR8
UPRE
S
VPRES
REFL
FORL
JPRES
GND
GND
GND
ESTA
14V
EKEY
GND
14
V
14V
GND
GND
14
V
14V
HV
14V
HFID2V
IDL
HV
VUIDV
GND
GND
POWS
HFID1V
GND
14V
GND
HV
14
V
GND
HR8
V
14
V
GND
NC
GND
NC
14
V
GND
FAN+
FAN–
MP49
MP25×4
MP301
MP302
MP25×4
MP27
MP381
MP27
(Amended page)
February 2017