![background image](http://html.mh-extra.com/html/icom/ic-7400/ic-7400_service-manual_612265066.webp)
1
21
to DISPLAY
board J503
2
22
J1
LDV
KI2
KI4
KI6
XFCK
MPRK
RXD
SPLD
GND
GND
GND
5VL
KI3
KI5
KI7
MPWK
TXD
LOCD
FIND
GND
GND
GND
• BOTTOM VIEW (TEN-KEY BOARD)
1
21
to DISPLAY
board J505
2
22
J1
MNUK
F2K
F4K
SSBK
AFMK
GND
GND
GND
GND
GND
GND
F1K
F3K
F5K
CWRK
FILK
GND
GND
GND
GND
GND
GND
• BOTTOM VIEW (MODE BOARD)
• BOTTOM VIEW (PHONE BOARD)
1
to S-LOGIC
board J508
9
2
10
J2
NC
P
AFO
GND
SQLS
M8V
NC
MMICE
MSEND
MUD
MIC
1
7
6
8
2
3
4
5
J1
9-8 MIC BOARD
9 - 6
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 ...