Icom IC-7410 Service Manual

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ADJUSTMENT ITEM
TRANSCEIVER'S
CONDITION
OPERATION
MEASURE
POINT
ADJUST
POINT
VALUE
PREPARATION
–
• Connect an AG and millivoltmeter
to [MIC], and then set it as;
Frequency : 1.5 kHz
Level : 1 mV
• Connect a power meter to [ANT1].
• Connect a 25 ohm dummy load to
[ANT2].
–– –
TX TOTAL GAIN 1 • Display: "Total Gain HF"
• Receiving
• Push [F-5]. (Automatically starts
to transmit.)
– [MAIN DIAL] 50 W
Push [F-5].
TX POWER & POWER
METER SETTING
2 • Display: "POWER HF"
• Receiving
• Push [F-5]. (Automatically starts
to transmit.)
– – Push [F-5].
3 • Display: "POWER HF Min"
• Transmitting
– [ANT1] [MAIN DIAL] 1.5 W
Push [F-5].
4 • Display: "POWER HF 10%"
• Transmitting
10 W
Push [F-5].
5 • Display: "POWER HF Tuner"
• Transmitting
10 W
Push [F-5].
6 • Display: "POWER HF 50%"
• Transmitting
50 W
Push [F-5].
7 • Display: "POWER HF 75%"
• Transmitting
80 W
Push [F-5].
8 • Display: "POWER HF 100%"
• Transmitting
105 W
Push [F-5].
9 • Display: "POWER 50M"
• Receiving
• Push [F-5]. (Automatically starts
to transmit.)
– – Push [F-5].
10 • Display: "POWER 50M Min"
• Transmitting
– [ANT1] [MAIN DIAL] 1.5 W
Push [F-5].
11 • Display: "POWER 50M 10%"
• Transmitting
10 W
Push [F-5].
12 • Display:
"POWER 50M Tuner"
• Transmitting
10 W
Push [F-5].
13 • Display: "POWER 50M 50%"
• Transmitting
50 W
Push [F-5].
14 • Display: "POWER 50M 75%"
• Transmitting
80 W
Push [F-5].
15 • Display:
"POWER 50M 100%"
• Transmitting
100 W
Push [F-5].
POWER DOWN SETTING 16 • Display:
"POWER Down HF/50M"
• Transmitting
• Push [F-5]. (Automatically starts
to transmit.)
– [MAIN DIAL] 50 W
Push [F-5].
AM CARRYER POWER
RATIO
17 • Display:
"POWER AM Ratio HF"
• Transmitting
• Push [F-5]. (Automatically starts
to transmit.)
– [MAIN DIAL] 27 W
Push [F-5].
ID APC 18 • Display: "ID-APC"
• Receiving
1) Connect an ammeter to the
power supply line.
2) Push [F-5]. (Automatically starts
to transmit.)
Power
supply line
[MAIN DIAL] 23.5–24.0 A
Push [F-5].
ALC METER 19 • Display: "ALC HF/50M"
• Transmitting
• Set the AG as;
Frequency : 1.5 kHz
Level : 10 mV
– – Push [F-5].
DRIVE GAIN 20 • Display: "DRIVE HF/50M"
• Transmitting
– – Push [F-5].
SWR METER 21 • Display: "SWR HF/50M"
• Transmitting
– – Push [F-5].
Automatically returns to the transmit adjustment menu.
¤
TRANSMIT ADJUSTMENTS
MENU
HF
TX
Reterns to the previous screen.
Stores the value and move to the next item.
Starts the transmit adjustment.

Icom IC-7410 Specifications

General

Type	HF/50MHz Transceiver
IF Rejection Ratio	70 dB
Image Rejection Ratio	70 dB
Supply Voltage	13.8 V DC ±15%
Antenna Impedance	50 Ω
Receiver Type	Triple conversion superheterodyne
Mode	SSB, CW, AM, FM
Power Output	100W
Receiver Sensitivity	0.5 µV (SSB)
Intermediate Frequencies	455 kHz
Selectivity	SSB: 2.4 kHz (-6 dB) CW: 500 Hz (-6 dB) AM: 6 kHz (-6 dB) FM: 15 kHz (-6 dB)