Icom IC-7400 Service Manual

7 - 4
MP19 (C)
MP1 (CT)
MP4 (CT)
MP20 (C)
×4
MP5 (C)
CTRL UNIT
TUNER
UNIT
MP21 (C)
×11
MP4 (C)
MP6 (TU)
×6
MP5 (TU)
MP4 (TU)
MP3 (TU)
×4
MP2 (TU)
MP1 (TU)
Unit abbreviations (C) : CHASSIS PARTS
(M) : MAIN UNIT
(PA) : PA UNIT
(CT) : CTRL UNIT
(TU) : TUNER UNIT
(RF) : RF UNIT
(DSP) : DSP UNIT
MP22 (C)
MP8 (C)
MF1 (C)
MP27 (C)
×4
MP73(C)
MP63 (C)
MP50 (C)
RF UNIT
(Bottom view)
MAIN and RF units
(Top view)
MP16 (C)
×8
MP72
(C)
MP51 (C)
MP53 (C)
MP77 (C)
PA UNIT
VARISTOR-C
BOARD
VARISTOR-D
BOARD
VARISTOR-A
BOARD
VARISTOR-B
BOARD
MP10 (C)
MP32 (C)
WS2 (C)
MP23 (C)
MP23 (C)
MP24 (C)
MP23 (C)
J7 (C)
MP9 (C)
×3
J6 (C)
SP1 (C)
WS3(C)
EP6(C)
MP65 (C)
MP64 (C)
MP25 (C)
MP43 (C)
×4
MP56 (C)
MP58
(C)
MP55
(C)
MP17 (C)
×5
MP17
(C)
×5
MP41
(C)
MP7
(PA)
MP201
(PA)
MP2
(PA)
MP26 (C)
×9
MP8(PA)
MP3 (PA)
MP4 (PA)
DRV BOARD
MP6 (PA)
MP42 (C)
×4
MP30 (C)
MP39 (C)
MP40 (C)
EP3 (C)
EP4 (C)
MP34 (C)
MP1204 (RF)
MP1205 (RF)
MP301 (RF)
MP213 (RF)
MP1 (C)
MP81 (C)
MP59 (C)
MP8 (TU)
×2
MP7 (TU)×2
MF2 (TU)
MF1 (TU)
MP66 (C)
MP2 (CT)
MP123 (RF)
FILTER
UNIT
MP67 (C)
MP9 (TU)
MP71 (C)
MP75 (C)
MP126 (RF)
MP1 (RF)
MAIN UNIT
(Bottom view)
MP15 (C)
×6
MP251 (RF)
MP35 (C)
MP791 (M)
MP200 (M)
MP212 (RF)
MP211 (RF)
MP181 (RF)
J401 (RF)
MP281 (RF)
MP282 (RF)
MP1903 (RF)
MP1901 (RF)
MP1601 (RF)
MP1602 (RF)
MP1604 (RF)
MP1801 (RF)
MP1802 (RF)
MP1102 (RF)
MP1302 (RF)
MP1301 (RF)
MP1303 (RF)
MP1203 (RF)
MP1202 (RF)
MP1201 (RF)
MP1403 (RF)
MP1402 (RF)
MP1401 (RF)
MP1404 (RF)
MP1502 (RF)
MP1501 (RF)
MP122 (RF)
MP128 (RF)
MP127(RF)
MP125 (RF)
MP121 (RF)
MP124 (RF)
MP1101 (RF)
J781 (M)
EP2 (M)
J780 (M)
J782 (M)
J760 (M)
J740 (M)
J700 (M)
J5 (C)
MP18 (C)×7
MP214 (RF)
MP2 (RF)
MAIN UNIT
RF UNIT

Icom IC-7400 Specifications

General

Frequency Range TX	1.8-54 MHz
Frequency Range RX	0.03-60 MHz
Modes	SSB, CW, RTTY, AM, FM
Output Power	100W (HF/50MHz), 50W (144MHz)
Receiver Type	Triple conversion superheterodyne
Antenna Connector	SO-239
IF Rejection	More than 70 dB
Supply Voltage	13.8 V DC ±15%
Current Drain RX	1.5 A
Image Rejection	More than 70 dB
Audio Output Power	2 W
Current Drain TX	20 A
Sensitivity	0.13 μV (SSB/CW)
Selectivity	SSB: 2.4 kHz