Hytera DMR - Before Use; Charging the Battery; Assembly and Disassembly

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Service Manual

4

4. Product Overview

Intended User

This manual is intended for use by qualified technicians only.

Table of Contents

Default Chapter2
- Preface2
- Table of Contents3
1 Revision History7
2 Copyright Information8
3 Disclaimer9
4 Product Overview10
- Intended User10
5 Product Controls11
- Front Panel11
- Rear Panel12
- Power Supply13
- Keys13
- LCD Display13
- Diagram of Front Panel13
- Leds and Backlight14
- MMC14
- Audio Output14
- Volume Control14
7 Baseband Section15
- Power Section15
- Power On/Off16
- Clock17
- Interface Distribution17
- Audio Section22
- PCB Difference25
- Watchdog Circuit25
8 GPS Circuit26
- Circuit Description26
- Schematic Diagram26
- Diagram of GPS Circuit26
- Parts List27
- Troubleshooting Flow Chart28
9 Tuning Description29
10 Interface Definition30
11 UHF1 (400-470Mhz 25W) Information33
- Transmitter Circuit33
- Receiver Circuit35
- Receiver Back-End36
- Frequency Generation Unit (FGU)36
- Parts List60
- Troubleshooting Flow Chart95
  - Description of Normal Situations96
  - Fgu99
12 UHF1 (400-470Mhz 45W) Information101
- Transmitter Circuit101
- Receiver Circuit103
- Frequency Generation Unit (FGU)104
- PCB View107
- Block Diagram111
- Schematic Diagram114
- Parts List128
- Troubleshooting Flow Chart163
13 UHF2 (450-520Mhz 25W) Information169
- Transmitter Circuit169
- Receiver Circuit171
- Frequency Generation Unit (FGU)172
- PCB View175
- Block Diagram179
- Schematic Diagram182
- Parts List196
- Troubleshooting Flow Chart232
14 UHF2 (450-520Mhz 45W) Information238
- Transmitter Circuit238
- Receiver Circuit240
- Frequency Generation Unit (FGU)241
- PCB View244
- Block Diagram248
- Schematic Diagram251
- Parts List265
- Troubleshooting Flow Chart301
15 UHF3 (350-400Mhz 25W) Information307
- Transmitter Circuit307
- Receiver Circuit309
- Frequency Generation Unit (FGU)310
- PCB View313
- Block Diagram317
- Schematic Diagram320
- Parts List334
- Troubleshooting Flow Chart370
16 UHF3 (350-400Mhz 45W) Information376
- Transmitter Circuit376
- Receiver Circuit378
- Frequency Generation Unit (FGU)379
- PCB View382
- Block Diagram386
- Schematic Diagram389
- Parts List403
- Troubleshooting Flow Chart439
17 VHF (136-174Mhz 25W) Information445
- Transmitter Circuit445
- Receiver Circuit447
- Frequency Generation Unit (FGU)448
- PCB View451
- Block Diagram455
- Schematic Diagram458
- Parts List472
- Troubleshooting Flow Chart509
18 VHF (136-174Mhz 50W) Information515
- Transmitter Circuit515
- Receiver Circuit517
- Frequency Generation Unit (FGU)518
- PCB View521
- Block Diagram525
- Schematic Diagram528
- Parts List542
- Troubleshooting Flow Chart579
19 Disassembly and Assembly585
20 Exploded View588
21 Packing Guide591
22 Specifications592

Other manuals for Hytera DMR

Owner's Manual59 pages

Firmware Upgrade Guide23 pages

Installation31 pages

Application Note14 pages

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