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IC-730
Icom IC-730 User Manual
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Table of Contents
Table of Contents
2
Specifications
3
Features
4
Installation
5
Unpacking
5
Power Supply
5
Memory Back-Up
5
Antenna
6
Ground
6
Microphone
6
CW Key/External Speaker
6
Headphones
7
Cooling Fan
7
Cautions
7
Cable Connections
7
Operating Controls
8
Front Panel
8
Controls under the Access Cover
10
Rear Panel Connections
11
ACC Socket Connections
12
Changing the Memory Backup (RL) Terminal Function
12
Operating Instructions
13
How to Tune
13
Tuning Control Knob
13
Brake Adjustment
13
Tuning Rate Switch
14
Dial Lock Button
14
VFO Switch
14
Normal/Split Switch
14
SSB Operation
15
Memory/Vfo Write Switch
15
Memory-Reading
15
Receiving
15
NB (Noise Blanker)
16
AGC (Automatic Gain Control)
16
Preamp Switch
16
Pass-Band Shift Control
16
CW Operation
17
Transmitting
17
How to Use the Speech Processor
17
How to Use the VOX Circuit
17
AM Operation
18
CW Side-Tone (Monitor)
18
Semi Break-In Operation
18
Meter Functions
18
WWV Reception
19
Simple Frequency Alignment
19
Transverter Connection/Linear Amplifier Connection
19
Satellite Communication
19
Cable Connection with a Linear Amplifier
20
Cable Connection with an IC-2KL
20
Circuit Description
21
Low-Pass Filter Unit
21
RF Unit
21
2Nd if Unit
21
Main Unit
22
DET Unit
23
PA Unit
23
Logic Unit
23
Display Unit/Pll Unit
23
Premix Unit
24
BPF Unit
24
REG Unit
24
Inside Views
25
Top View
25
RF Unit View
25
Bottom View
26
LPF Unit and ACC Board View
26
PA Unit View
26
2Nd if Unit View
27
Logic Unit View
27
Display Unit View
27
Troubleshooting
28
Block Diagram
30
Options
31
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Icom IC-730 Specifications
General
Type
HF Transceiver
Frequency Stability
±0.5 ppm
Power Supply
13.8 V DC
Modes
SSB, CW
Image Rejection
70 dB
IF Rejection
70 dB
Spurious Rejection
70 dB
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