![background image](http://html.mh-extra.com/html/icom/ic-80ad/ic-80ad_service-manual_612360041.webp)
8 - 1
SECTION 8. BOARD
LAYOUTS
C1
C2
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C33
C50
C53
C54
C55
C56
C57
C58
C60
C61
C62
C63
C67
C68
C101
C104
C105
C106
C107
C113
C114
C116
C117
C151
C152
C214
C215
C216
C217
C219
C220
C221
C222
C223
C551
C552
C553
C554
C555
C556
C557
C558
D1
D2
D3
D11
D12
D13
D50
D51
D53
D54
D125
D150
D151
D200
DS201
DS202
DS203
DS204
DS205
DS206
DS207
DS208
DS209
DS210
DS211
DS212
EP50
EP51
EP52
EP53
EP100
EP101
EP509
IC1
IC3
IC52
IC101
IC103
IC125
IC507
IC508
L100
MC300
Q50
Q51
Q52
Q53
Q152
Q153
Q200
Q201
Q202
Q203
R1
R2
R4
R8
R9
R10
R11
R12
R14
R16
R20
R21
R22
R26
R28
R50
R51
R52
R55
R56
R57
R58
R60
R62
R63
R66
R67
R68
R69
R70
R71
R100
R136
R155
R156
R157
R158
R161
R203
R204
R205
R206
R207
R208
R209
R210
R211
R212
R213
R214
R215
R217
R218
R219
R538
R539
B-7071C
H
0
H5
H10
H15
H20
H25
H3
0
H3
5
H4
0
H4
5
H50
H55
H60
H6
5
H7
0
H7
5
H8
0
H85
H90
V0
V5
V10
V15
V20
V25
V30
V35
V40
V45
V50
• LOGIC UNIT
(TOP VIEW)
• RF UNIT
(TOP VIEW)
[DC IN]
[PTT]
[MIC]
[SP]
[SQL]
J1 (CHASSIS)
• VCO UNIT
(TOP VIEW)
• MAIN UNIT
(TOP VIEW)
The combination of top side and bottom side of this
page shows the actual configuration of P.C. board.
+5.5V
+5V
PPS
PLLSTB
DASTB2
VCC
IOEN
INTPTT
CLONE
INTSP
SPE
GND
GND
GND
DIUD
NOISE
DASTB1
+3CPU
CHG
HV
RTONE
BEEP
CK
+3V
VOLOUT
EXTMIC
UNLK
IOSTB
SQL
MOD
CTONE
TTEMP
TX-V
DATA
DAFOUT
VIN
BATT
IOSTB1
RSSI
DICK
DATA
BCVCOC
VVCOC UVCOC
5.5V
CK
R3V
+3V
AGC
IF
ATT
VSHIFT
GND
GND
UNLK
VMOD
PPS
TTEMP
REF
+5V
DASTB2
IOSTB
HV
CHG
T5
VCC
LV
VCC-I
GND
C1
C2
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C33
C50
C53
C54
C55
C56
C57
C58
C60
C61
C62
C63
C67
C68
C101
C104
C105
C106
C107
C113
C114
C116
C117
C151
C152
C214
C215
C216
C217
C219
C220
C221
C222
C223
C551
C552
C553
C554
C555
C556
C557
C558
D1
D2
D3
D11
D12
D13
D50
D51
D53
D54
D125
D150
D151
D200
DS201
DS202
DS203
DS204
DS205
DS206
DS207
DS208
DS209
DS210
DS211
DS212
EP50
EP51
EP52
EP53
EP100
EP101
EP509
IC1
IC3
IC52
IC101
IC103
IC125
IC507
IC508
L100
MC300
Q50
Q51
Q52
Q53
Q152
Q153
Q200
Q201
Q202
Q203
R1
R2
R4
R8
R9
R10
R11
R12
R14
R16
R20
R21
R22
R26
R28
R50
R51
R52
R55
R56
R57
R58
R60
R62
R63
R66
R67
R68
R69
R70
R71
R100
R136
R155
R156
R157
R158
R161
R203
R204
R205
R206
R207
R208
R209
R210
R211
R212
R213
R214
R215
R217
R218
R219
R538
R539
B-7071C
H0
H5
H10
H15
H20
H25
H30
H35
H40
H45
H50
H55
H60
H65
H70
H75
H80
H85
H90
V0
V5
V10
V15
V20
V25
V30
V35
V40
V45
V50
C12
C13
C14
C15
C106
C108
C109
C110
C111
C112
C113
C114
C116
C117
C118
C119
C120
C121
C122
C123
C131
C161
C194
C450
C451
C452
C453
C454
C558
C559
C560
C561
C562
C600
C601
C602
C605
C608
C610
C703
C712
C713
C714
C715
C734
C752
C754
C755
C756
C758
C759
C760
C761
C763
C765
C766
C767
C768
C777
C779
C780
C781
C789
C792
C805
C808
C810
C812
C813
C814
C815
C1010
D10
D100
D700
EP100
EP450
EP706
EP750
EP751
EP752
EP755
EP756
EP757
EP758
EP759
EP760
FI100
FI100
FI200
FI200
IC600
IC702
IC1000
J700
J701
J702
L1
L101
Q1
Q2
Q101
Q102
Q105
Q150
Q159
Q200
Q201
Q552
Q700
Q701
Q803
Q804
Q805
R15
R16
R17
R18
R25
R105
R106
R109
R110
R111
R112
R113
R114
R129
R164
R166
R190
R217
R450
R451
R452
R453
R559
R560
R561
R562
R564
R565
R603
R604
R605
R606
R607
R701
R702
R703
R704
R706
R811
R812
R813
R814
R815
R1004
R1005
R1006
R1007
S700
S701
X100
X450
LV
B-7070B
H0
H5
H10
H15
H20
H25
H30
H35
H40
H45
H50
V0
V5
V10
V15
V20
V25
V30
V35
V40
V45
V50
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C26
C27
C34
C36
C43
C44
C45
C50
C52
C54
C59
C66
C67
C68
C69
C72
C100
C101
C102
C103
C104
C106
C108
C109
C111
C112
C114
C117
C119
C121
C122
C123
C124
C125
C126
C129
C131
C132
C133
C135
C136
C137
C138
C142
C143
C144
C145
C146
C147
C148
C149
C150
C151
C152
C156
C157
C158
C159
C160
C165
C262
C264
C300
C301
C302
C303
C304
C305
C306
C307
C308
C309
C310
C311
C312
C313
C314
C315
C316
C317
C318
C319
C320
C321
C322
C323
C324
C325
C326
C327
C328
C329
C331
C340
C341
C343
C457
C462
C463
C472
C524
C724
C813
C819
C820
C821
C822
C830
C831
C837
C841
C842
C843
C850
C851
C852
C853
C854
C857
C858
C859
C860
C862
C908
C914
C919
C920
C952
C1004
C1005
C1006
C1007
C1008
D54
D55
D61
D62
D100
D101
D102
D300
D301
D302
D303
D304
D305
D306
D307
D308
D309
D310
D311
D800
D850
D851
D1000
D1001
EP100
EP102
EP103
EP105
EP150
EP152
EP801
EP802
EP1002
IC100
IC150
IC152
IC800
IC952
J800
J1000
J1001
L1
L2
L3
L4
L5
L6
L7
L12
L14
L50
L55
L100
L101
L103
L104
L105
L106
L107
L108
L109
L111
L300
L301
L302
L303
L304
L305
L306
L307
L308
L309
L310
L850
L851
L900
Q2
Q3
Q4
Q100
Q101
Q102
Q251
Q252
Q300
Q301
Q303
Q304
Q703
Q802
Q850
Q1000
R3
R4
R5
R6
R10
R100
R101
R102
R103
R108
R109
R111
R113
R114
R115
R116
R118
R119
R120
R150
R151
R152
R153
R154
R155
R156
R157
R158
R159
R160
R163
R300
R301
R302
R303
R304
R305
R306
R307
R308
R309
R310
R311
R312
R313
R314
R315
R316
R317
R318
R321
R322
R459
R800
R802
R803
R804
R805
R806
R807
R808
R810
R818
R820
R821
R822
R826
R850
R851
R852
R853
R854
R855
R950
R951
R952
R953
R954
R955
R1001
B-7069C
H0
H5
H10
H15
H20
H25
H30
H35
H40
H45
H50
V0
V5
V10
V15
V20
V25
V30
V35
V40
V45
C1
C3
C4
C5
C6
C7
C8
C9
C10
C11
C51
C53
C54
C55
C56
C57
C58
C59
C60
C61
C62
C63
C101
C102
C103
C104
C105
C106
C107
C108
C109
C110
C111
C112
C114
C115
C116
C117
C118
C200
C201
C202
C203
C204
C205
C206
C207
C208
C209
C210
C211
C213
D1
D2
D3
D4
D5
D6
D51
D52
D53
D54
D55
D100
D101
D102
D103
D104
L2
L3
L52
L53
L101
L102
L103
L200
L201
L202
L203
L204
Q1
Q2
Q51
Q52
Q101
Q102
Q200
Q201
Q202
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R50
R51
R52
R53
R54
R55
R56
R58
R59
R60
R61
R62
R100
R101
R102
R104
R105
R106
R107
R108
R109
R110
R111
R112
R113
R114
R115
R116
R200
R201
R202
R203
R204
R205
R206
R207
R208
V0
V5
V10
V15
V20