Motorola GTX 2000 Manuals

Manuals and User Guides for Motorola GTX 2000. We have 1 Motorola GTX 2000 manual available for free PDF download: Service Manual

Motorola GTX 2000 Service Manual

Motorola GTX 2000 Service Manual (59 pages)

Brand: Motorola | Category: Portable Radio | Size: 1.37 MB

Table of Contents

Exposure to Radio Frequency Energy
2
Safe and Efficient Operation of Two-Way Radios
2
Table of Contents
4
GTX/GTX LTR Portable Radio Model Chart
8
LTS 2000/LTS 2000 Smartzone and Smartnet Plus Portable Radios Model Chart
9
GTX/GTX LTR/LTS 2000 Options
10
GTX/GTX LTR/LTS 2000 Accessories
11
Performance Specifications
13
Service Aids
14
Test Equipment
14
Service Tools
15
- Test Set Service Cable
  16
Radio Model Numbering System
17
Radio Service Software Information
18
Configuring the RIB and Radio
18
Notes
19
Important Safety Information: Intrinsically Safe Radios
20
- FMRC Approved Equipment
  20
- Repair of FMRC Approved Products
  21
- Repair
  21
- Relabeling
  22
- Do Not Substitute Options or Accessories
  22
Vehicles Equipped with Air Bags
22
Section 1

24
Radio Disassembly/Assembly Overview

24
- Safety Information
  24
- Radio Disassembly
  24
  - Battery Removal
    24
  - Chassis Removal
    24
  - Main Board Removal
    25
  - Front Housing Board Removal
    26
- Radio Reassembly
  26
  - Front Housing Reassembly
    26
  - Front Housing Reassembly Ñ Basic Model
    27
  - Chassis Reassembly
    27
  - Radio Reassembly
    28
Section 2

30
Theory of Operation

30
- Overview
  30
- Receiver
  30
  - Intermediate Frequency (IF)
    30
- Transmitter
  30
- Frequency Generation Unit
  33
- Controller
  34
  - Functions
    34
  - Normal Operation
    34
  - Clock Synthesizer
    34
  - Bus Operation
    34
  - Ram
    34
  - Eeprom
    34
  - SPI Interface
    35
  - LED Control
    35
  - Audio & Data Circuitry
    35
  - External PTT Sense Circuits
    35
  - MIC Amplifier
    35
  - TX Data Circuits
    35
  - Sub-Audible Data (PL/DPL)
    36
  - High-Speed Data
    36
  - DTMF Data
    36
  - MDC Data
    36
  - RX Audio Processing and Digital Volume Control
    36
  - Audio Power Amplifier
    37
  - Audio PA Muting and Output Protection
    37
  - Receive Data Circuits
    37
  - Alert Tone Circuits
    37
Section 3

38
Accessory

38
- Overview
  38
- Description
  38
- Operation
  38
- Handling Precautions
  38
- Maintenance
  39
Section 4

42
Troubleshooting

42
- Overview
  42
- Troubleshooting Charts
  42
Section 5

48
Radio Diagnostic Utilities

48
- Test Mode/Entry
  48
- Test Mode/Channel Selection
  48
- Test Mode/Tx Modulation
  49
- Exiting Test Mode
  49
- Fail Mode
  49
- Performance Checks
  50
Section 6

52
Maintenance

52
- Introduction
  52
- Preventive Maintenance
  52
  - Inspection
    52
  - Cleaning
    52
- Safe Handling of CMOS Devices
  52
- Repair Procedures and Techniques
  53
  - General
    53
  - Over-Molded Pad-Array Carrier (OMPAC)
    54
Section 7

56
Radio Tuning Procedure

56
- General
  56
- Tuning Procedure
  57

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