User Manuals: ICOM IC-U16 UHF Transceiver

Manuals and User Guides for ICOM IC-U16 UHF Transceiver. We have 2 ICOM IC-U16 UHF Transceiver manuals available for free PDF download: Service Manual, Owner's Manual

Icom IC-U16 Service Manual (55 pages)

UHF FM Transceiver

Brand: Icom | Category: Transceiver | Size: 2 MB

Introduction
2
Repair Note
2
Table of Contents
3
Specifications
4
General
4
Transmitter
4
Receiver
4
Inside Views
5
Logic/Main Unit
5
Pll/Display Unit
5
Circuit Description
6
Receiver Circuits
6
Antenna Switching Circuit
6
RF Amplifier Circuit
6
Transmitter Circuits
7
MIC Amplifier Circuit
7
Buffer Amplifier Circuit
7
Power Ampifier Circuit
7
VCO Unit
8
Power Supply Circuits
8
Internal/External Power
8
+5V Regulator Circuit
8
Mpu
9
Ports
9
AT Command Transmitting
10
At Data Transmitting
10
Timing Chart
11
Reset Circuit
12
Display Circuit
12
DTMF Circuit
12
CTCSS Circuit
12
Mechanical Parts and Disassembly
13
Disassembly of the Case
13
Disassembly of the Top Panel
15
Pa/External Jack Assembly
15
Speaker/Microphone Assembly
16
PTT Spring Assembly
16
Unit Bottom Assembly
17
Adjustment Procedures
18
Preparation before Servicing
18
Required Test Equipment
18
Connection
18
PLL Adjustment
19
Transmitter Adjustment
20
Receiver Adjustment
22
Voltage Diagrams
23
Main Unit Voltage Diagram
23
PLL, VCO, RF Unit Voltage Diagram
25
Logic Unit Voltage Diagram
27
Parts List
31
Board Layouts
39
Main Unit
39
PLL Unit
40
RF Unit
44
Battery Pack Schematic Diagram
46
CM-7
46
CM-8
47
Block Diagram
48
Schematic Diagram
50

ICOM IC-U16 Owner's Manual (32 pages)

VHF FM Transceiver; UHF FM Transceiver

Brand: ICOM | Category: Transceiver | Size: 3 MB

ICOM Categories

Transceiver Receiver Repeater Radio Two-Way Radio

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User Manuals: ICOM IC-U16 UHF Transceiver

Icom IC-U16 Service Manual (55 pages)

Table of Contents

ICOM IC-U16 Owner's Manual (32 pages)

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