![background image](http://html.mh-extra.com/html/icom/ic-7400/ic-7400_service-manual_612265077.webp)
30
29
2
to MAIN
unit J120
1
J5
PPWS
PFSB
PMCK
P5V
THML
P8V
PT8V
PVRF
GND
PICL
P14A
P14V
P14V
P14V
P14V
PDRS
PMDT
P5V
PH5V
P8V
GND
GND
PVFR
PGND
PICH
P14A
P14V
P14V
P14V
PHV
1
4
to DRV board
J22
GND
GND
DRO1
DRO1
1
4
to DRV board
J21
DRI1
DRI1
GND
GND
1
4
to DRV board
J24
DRO2
DRO2
GND
GND
1
4
to DRV board
J23
GND
GND
DRI2
DRI2
3
1
to VARISTOR-C
board
J201
V-B2
GND
V-B1
1
3
to VARISTOR-D
board
J202
V
-B2
GND
V
-T2
1
3
to VARISTOR-A
board
J101
V
-A1
GND
V
-A2
3
1
to VARISTOR-B
board
J102
V
-T1
GND
V
-A2
to RF unit J151
YGR
P1
to FILTER
unit EP5
H14V
W12
to FILTER
unit EP4
GND
W13
P501
CTIN
to CTRL unit J1
VRX
to RF unit J121
P601
1
8
16
9
1
9
18
10
9-14 PA UNIT
• TOP VIEW
9 - 17
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 ...