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HYT
Two-Way Radio
TC-508
HYT TC-508 User Manual
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Table of Contents
Table of Contents
2
Revision History
3
Copyright Information
3
Disclaimer
3
Introduction
3
Product View
4
Product Controls
4
Software Specifications
5
Description of Modes
6
PC Programming Mode
6
Wired Clone Mode
6
To Switch between Tuning Items Within TX Group/Rx Group
7
To Enter Manual Tune Mode
7
Description of Tuning
7
To Switch between TX Tuning Items and RX Tuning Items
7
To Switch the Frequency
8
To Tune the Value
8
About Several Special Items
8
About the Key-Press
8
General Principle Diagram
9
Circuit Description
9
Realization Methods of Basic Functional Modules
10
PLL Frequency Synthesizer
10
RF Power Amplifier Circuit (TX Section)
11
RX LNA and Mixer Circuit (RX Section)
11
MCU Control, Signal Processing and Audio Power Amplification
12
RX Baseband Process
13
MCU Control Circuit
13
TX Baseband Processing
13
Signal Processing Circuit
13
Power Supply Section
14
CPU Pins
15
Parts List 1
19
Required Test Instruments
74
Conventional Tuning Items (Outside the Tuning Mode)
74
Tuning Description
74
Tuning in the Mode
75
Reference Value for Source Radio
79
Troubleshooting Flow Chart
80
Disassembling the Speaker
83
Disassembling the Chassis
83
Disassembly and Assembly
83
Disassembling the PCB
84
Assembling the Radio Unit
85
Exploded View and Parts List
86
Parts List 2
87
Packing Guide
88
PCB View
89
Level Diagram
93
Block Diagram
94
Schematic Diagram
95
Specifications
101
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HYT TC-508 Specifications
General
Channel Capacity
16
Power Output
5W
Battery Type
Li-Ion
Operating Voltage
7.4V DC
IP Rating
IP54
Frequency Range
400-470MHz
Dimensions
113mm x 54mm x 35mm
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