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Icom IC-7400 Service Manual

Icom IC-7400
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5 - 5
J151
TX peak check point
TX peak
adjustment
L271
L253
L251
L251
L252
R546
Transmitter total
gain adjustment
L330
TX peak adjustment
R555
Ic APC adjustment
R204, R215
Idling current adjustment
for 144 MHz band
final amplifier
R11
Idling current adjustment
for driver
R18, R109
Idling current adjustment
for HF/50 MHz bands
final amplifier
C202
TX peak adjustment

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Preview: Instruction Manual
Instruction Manual116 pages

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Icom IC-7400 Specifications

General IconGeneral
Frequency Range TX1.8-54 MHz
Frequency Range RX0.03-60 MHz
ModesSSB, CW, RTTY, AM, FM
Output Power100W (HF/50MHz), 50W (144MHz)
Receiver TypeTriple conversion superheterodyne
Antenna ConnectorSO-239
IF RejectionMore than 70 dB
Supply Voltage13.8 V DC ±15%
Current Drain RX1.5 A
Image RejectionMore than 70 dB
Audio Output Power2 W
Current Drain TX20 A
Sensitivity0.13 μV (SSB/CW)
SelectivitySSB: 2.4 kHz

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