![background image](http://html.mh-extra.com/html/icom/ic-7400/ic-7400_service-manual_612265073.webp)
1
to TUNER
unit MF2
5
J11
T14V
AW
AX
AY
AZ
1
5
to TUNER
unit MF1
J10
T14V
PW
PX
PY
PZ
1
21
to MAIN
unit J140
2
22
J7
C14V
C14V
CT8V
SETI
C5V
C-8V
GND
CREF
CDRS
CANT
CIST
C14V
GND
GND
C5V
GND
GND
CFOR
GND
GND
GND
CIKY
PAFE
2
1
to MAIN
unit J741
J13
SSP
2
1
to CHASSIS
SP1
J14
PAFE
SSP
1
21
to TUNER
unit J5
2
22
J8
GND
35M
10M
18M
VHF
GND
14V
CO2
NVHF
CI2
GND
GND
7M
14M
24M
GND
14V
CO3
CO1
CI3
CI1
GND
to RF unit J1
HRX
P2
from TUNER unit J3
TUIN
P3
from TUNER unit J4
TUOT
P4
from PA unit J502
CTIN
P501
1
4
8
5
1
4
8
5
1
7
14
8
1
7
14
8
1
4
8
5
1
8
16
9
1
4
8
5
1
16
48
49
64
32
17
33
9-12 CTRL UNIT
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Summary of Contents for IC-7400
Page 1: ...HF VHF TRANSCEIVER i7400 SERVICE MANUAL ...
Page 63: ...to S LOGIC board J303 DS1002 9 2 DISPLAY BOARD TOP VIEW 9 3 for free by RadioAmateur eu ...
Page 72: ...9 12 1 9 18 10 BOTTOM VIEW RF UNIT for free by RadioAmateur eu ...
Page 74: ... BOTTOM VIEW CTRL UNIT 9 14 for free by RadioAmateur eu ...
Page 76: ... BOTTOM VIEW TUNER UNIT 9 16 for free by RadioAmateur eu ...
Page 78: ...9 18 BOTTOM VIEW PA UNIT for free by RadioAmateur eu ...
Page 92: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13811HZ C2 2002 Icom Inc ...