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Manuals
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Hytera Manuals
Portable Radio
PD505
Service manual
Hytera PD505 Service Manual
Pd50x series
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Also See for PD505
:
Owner's manual
(33 pages)
,
Quick reference manual
(3 pages)
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Table Of Contents
137
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137
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Conventions
Notational Conventions
Table of Contents
1 Product Controls
2 Disassembly and Assembly
3 Exploded View and Packaging Guide
Packaging Guide
4 Specifications
5 Circuit Description
Baseband Section
Power Supply Module
Diagram of Power Control
Control Module
Power Protection
Power Consumption Control
OMAP5912 Dual-Core Processor
External Memory
Emifs
Emiff
Clock
Input Clock
Reset Signal
Spi
Mcbsp
Usb
Microwire
Mcsi1
Audio Module
Audio Diagram
Diagram of Signal Flow
Audio Amplifier
RF Section
Transmitter Circuit
RF Power Amplifier Circuit
Auto Power Control Circuit
Low-Pass Filter Circuit (for Suppressing Harmonics)
Receiver Circuit
Receiver Front-End
Receiver Back-End
Fgu
Operation Principle of PLL
Operation Principle of VCO
Two-Point Modulation
6 Troubleshooting Flow Chart
Control Circuit
Receiver Circuit
Description of Normal Situations
Transmitter Circuit
Fgu
7 Interface Definition
J801 and J802: Double-Pin Interface for Earpiece, Programming and Downloading
8 Tuning Description
Required Test Instruments
Tuning Procedures
Tuning a Radio
Test a Radio
Transmitting
Receiving
Pcb
9 PCB View
10 Block Diagram
Radio General Diagram
Block Diagram of FGU
Block Diagram of RX Circuit
Block Diagram of TX Circuit
BB System
11 Schematic Diagram
12 Part List
Product Controls
Disassembly and Assembly
Exploded View and Packaging Guide
Exploded View
Packaging Guide
Specifications
Circuit Description
Baseband Section
Power Supply Module
Control Module
Audio Module
RF Section
Transmitter Circuit
Receiver Circuit
Fgu
Troubleshooting Flow Chart
Control Circuit
Receiver Circuit
Transmitter Circuit
Fgu
Double-Pin Interface for Earpiece, Programming and Downloading
Interface Definition
Tuning Description
Required Test Instruments
Tuning Procedures
Tuning a Radio
Test a Radio
Pcb
Block Diagram
Block Diagram of RX Unit
Diagram of FGU
Parts List
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Quick Links
1
Product Controls
2
Specifications
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See also:
Owner's Manual
PORTABLE
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Table of Contents
Troubleshooting
Troubleshooting Flow Chart
30
Troubleshooting Flow Chart
96
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This manual is also suitable for:
Pd502
Pd506
Pd508
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