![background image](http://html.mh-extra.com/html/icom/ic-7800/ic-7800_service-manual_612345155.webp)
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C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C13
C14
C15
C16
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
C29
C35
C36
C37
C38
C39
C40
C41
C42
C43
C44
C45
C46
C48
C49
C50
C51
C52
C53
C55
C56
C57
C58
C61
C101
C102
C151
C152
C153
C201
C301
C302
C304
C341
C343
C345
C371
C373
C375
C401
C403
C405
C407
C411
C412
C415
C416
C453
C552
C553
C554
C557
C601
C603
C606
C651
C653
C656
C703
C706
C803
C805
C807
C833
C835
C837
C871
C873
C921
C923
C925
C927
C961
C962
C963
C964
IC151
IC201
J921
J961
L1
L2
L3
L961
L962
R1
R2
R3
R4
R5
R6
R7
R8
R9
R11
R12
R152
R371
R407
R452
R551
R606
R607
R656
R657
R706
R707
R804
R805
R834
R835
R874
R875
R903
R905
X151
TX
B5971E
DSP-TX
H0
H5
H10
H15
H20
H25
H30
H35
H40
H45
H50
H55
H60
H65
H70
H75
H80
H85
V0
V5
V10
V15
V20
V25
V30
V35
V40
V45
V50
AFIN
1
11
to the MAIN unit J380
2
22
J921
GND
TX36K
GND
+A5VT
GND
-12V
GND
+D5VT
GND
+15V
ANVOX
GND
GND
GND
+A5VT
GND
-12V
GND
+D5VT
GND
+15V
29
to the MAIN unit J381
30
1
2
J961
GND1T
GND1T
DRES
DSKY
CTFL
DAVOX
CVOX
FRWT
GND1T
D3R3V
GND1T
D1R2V_T
D1R2V_SENS_T
GND1T
GND1T
GND1T
MCLK
DSPCK
DSPR
DFRT
DSPCK
DX1T
DFXT
GND1T
D3R3V
GND1T
D1R2V_T
D1R2V_T
GND1T
GND1T
• BOTTOM VIEW (DSP-TX BOARDS)