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IC-3230A
Icom IC-3230A Manuals
Manuals and User Guides for Icom IC-3230A. We have
1
Icom IC-3230A manual available for free PDF download: Service Manual
Icom IC-3230A Service Manual (69 pages)
Brand:
Icom
| Category:
Transceiver
| Size: 24.08 MB
Table of Contents
Introduction
2
Ordering Parts
2
Repair Notes
2
Table of Contents
3
Specifications
4
General
4
Inside Views
5
Main Unit
5
Circuit Description
6
Receiver Circuits
6
Duplexer Circuit
6
VHF Antenna Switching Circuit
6
VHF AF Circuit
7
AF Power Amplifier Circuit
7
VHF Sequence Circuit
7
UHF RF Circuit
7
Transmitter Circuits
8
UHF AF Circuit
8
UHF Squelch Circuit
8
Microphone Amplifier Circuit
8
PLL Circuits
9
UHF Modulation Circuit
9
UHF Amplifier Circuit
9
UHF APC Circuit
9
Other Circuits
10
Reference Oscillator Circuit
10
VHF Unlock Sensor Circuit
10
UHF PLL Circuits
10
CPU Port Allocations
11
Ic4 Cpu
11
Mechanical Parts and Disassembly
12
Chassis and Main-A Units
12
Accessories
15
Parts List
17
Logic Unit
17
Adjustment Procedures
28
Preparation before Servicing
28
Required Test Equipment
28
Connections
28
PLL Adjustment
29
Receiver Adjustment
31
Transmitter Adjustment
33
Board Layouts
35
Logic Unit, VR-A Unit and VR-B Units
35
Tone Unit
52
Block Diagram
53
Display Unit
53
Voltage Diagram
56
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