![background image](http://html.mh-extra.com/html/icom/ic-7800/ic-7800_service-manual_612345172.webp)
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Horizontal
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V
er
tical
TX/RX-A
from/to the ANT-SW unti J1
TUOT
from/to the NETWORK board J3
TUIN
from/to the NETWORK board J2
CTIN
from the FIL
TER unit J904
RX-ANT
to the BPF unit J106
1
9
18
10
1
9
18
10
1
8
1
8
16
9
16
9
1
4
1
4
8
5
8
5
1
16
48
49
64
32
17
33
1
4
8
5
1
9
18
10
1
9
18
10
CK
ANT4R
+15V
OE
STB
DATA
GND
GND
1
to the FILTER unit J905
8
J53
14M
7M
10M
GND
18M
3R5M
2M
24M
50M
5M
10
to the FILTER unit J902
1
J52
AY
PX
AX
T15V
AZ
PY
T15V
AW
PZ
PW
10
1
to the TUNER
unit MF1/MF2
J2
7M
GND
14M
GND
GND
24M
FANC
18M
+15V
CO2
VHCI
CI2
VHF
+15V
5M
10M
VHCO
GND
3R5M
CO1
GND
CO3
CI1
CI3
24
1
to the NETWORK board J1
J51
+15V
+15V
+15V
GND
GND
GND
-
12V
+3R3V
T8V
FORV
REFV
GND
TOE
FSTB
CSTB
TDAT
TCK
GND
TDRS
GNDL
ISTA
IKEY
GNDL
GND
24
1
to the LOGIC unit J811
J1
8-29 CTRL BOARD
• TOP VIEW
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