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IC-U101
Icom IC-U101 Manuals
Manuals and User Guides for Icom IC-U101. We have
2
Icom IC-U101 manuals available for free PDF download: Service Manual, Instruction Manual
Icom IC-U101 Service Manual (34 pages)
Brand:
Icom
| Category:
Transceiver
| Size: 9 MB
Table of Contents
Introduction
2
Ordering Parts
2
Repair Note
2
Table of Contents
3
Specifications
4
Inside Views
5
Main Unit
5
Logic Unit
5
Block Diagram
6
Circuit Description
7
Receiver Circuits
7
Antenna Switching Circuit
7
RF Circuit
7
AF Circuit
8
Squelch Circuit
8
Audio Amplifier and Squelch Circuit
8
Transmitter Circuits
9
Microphone Amplifier Circuit
9
Buffer Amplifier Circuit
9
Power Amplifier Circuit
9
PLL Circuits
10
Dual Modulus Prescaler
10
Logic Circuits
10
Loop Filter Circuit
10
CTCSS Tone Squelch Circuit
11
CTCSS Encoder and Decoder
11
CPU Port Allocations
11
Input Port
11
Mechanical Parts and Disassembly
12
Screw Abbreviations
12
Parts List
14
Adjustment Procedures
20
PLL Adjustment
20
Receiver Adjustment
20
Location and Connection
21
Transmitter Adjustment
22
Board Layouts
24
VCO and RF Units
27
CTCSS Unit
28
Front Unit
28
Voltage Diagram
29
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Icom IC-U101 Instruction Manual (8 pages)
Brand:
Icom
| Category:
Transceiver
| Size: 0 MB
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