Motorola GP350 Manuals

Manuals and User Guides for Motorola GP350. We have 2 Motorola GP350 manuals available for free PDF download: User Manual, Service Manual

Motorola GP350 Service Manual (55 pages)

146-174 MHz/438-470 MHz

Brand: Motorola | Category: Portable Radio | Size: 3.54 MB

Airbag Warning Statement
3
Computer Software Copyrights
3
Table of Contents
4
Section
6
Scope of Manual
8
How to Use this Manual
8
Other Documentation
8
Technical Support
8
Service Policy
8
Ordering Replacement Parts
8
Model Charts
9
Accessories
12
Performance Specifications
14
Service Aids
15
Test Equipment
15
- Test Set Service Cable
  16
Radio Model Information
16
Radio Service Software Information
17
Configuring the RIB and Radio
17
Section 1

18
Safety Information

18
- General
  18
- FCC Safety Information
  18
Section 2

20
Intrinsically Safe Radio Information

20
- FMRC Approved Equipment
  20
- Repair of FMRC Approved Products
  20
  - Repair
    21
  - Relabeling
    21
  - Do Not Substitute Options or Accessories
    21
Section 3

22
Disassembly/Reassembly

22
- Remove Battery
  22
- Remove Belt Clip from Battery
  22
- Remove Chassis
  22
- Section
  22
- Remove the Main Board
  23
- Re-Assembly of Radio
  23
Section 4

24
Theory of Operation

24
- Overview
  24
- Microcomputer
  24
  - Microcomputer Power-Up and Reset Routine
    24
- Receiver
  24
  - Section
    24
  - Intermediate Frequency (IF)
    25
- Transmitter
  25
- Frequency Generation Circuitry
  26
  - Synthesizer
    26
  - Vco
    26
  - TX Audio Path
    27
    
    Internal MIC Bias Switch and External PTT Sense Circuits
    27
    
    MIC Amplifier
    27
    
    TX Audio Mute Gate
    27
    
    Pre-Emphasis Amplifier (Standard Models)
    27
    
    Option Interface Connector P1 (Keypad/Display Models)
    27
    
    Limiter (Audio Filter IC)
    28
    
    Post-Limiter Filter (Audio Filter IC)
    28
    
    PL Encoder
    28
    
    DTMF Encoder
    28
    
    Deviation Attenuators (Audio Filter IC)
    28
  - RX Audio Path
    28
    
    PL Rejection Filter (Audio Filter IC)
    28
    
    PL Decoder
    28
    
    Center-Slicer
    28
    
    Option Interface Connector P1 (Keypad/Display Models)
    28
    
    RX Audio Mute Gate
    29
    
    Audio Power Amplifier
    29
    
    Noise Squelch Attenuator
    29
    
    Vox Circuit Operation
    29
- GP350 Portable Radio Functional Block Diagram
  30
- Receiver, Transmitter, VCO, Synthesizer, and AFIC Block Diagrams
  31
Section 5

32
Troubleshooting

32
Exploded Views, and Parts Lists

38
Component Location Diagrams, Schematic Diagrams

38

Motorola GP350 User Manual (96 pages)

Accessory and Battery Catalog

Brand: Motorola | Category: Two-Way Radio | Size: 8.2 MB

Portable Radios

3
- Table of Contents
  3
- Terms and Conditions
  3
- Vl50
  4
- Vl50
  7
- Vl130
  8
- Vl130
  11
- Dtr550/Dtr650
  12
- Cp100
  14
- Ct250/Ct450/Ct450 . Ls
  29
- Sp50/Sp50
  38
- P1225/P1225 . Ls
  53
- Travel Charger
  61
- GTX Portable
  64
- CM200/CM300 and PM400
  79
- GTX Mobile
  80
- M1225
  82
- Sm50/Sm120
  83
- Sp21
  84
Terms and Conditions

88
- Definitions
  88
Warranty Information

92
- Customer Service Information
  94
- General Information
  95
- Parts Identification
  95

Motorola Categories

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Motorola GP350 Manuals

Motorola GP350 Service Manual (55 pages)

Table of Contents

Section 1

Safety Information

Section 2

Intrinsically Safe Radio Information

Section 3

Disassembly/Reassembly

Section 4

Theory of Operation

Section 5

Troubleshooting

Exploded Views, and Parts Lists

Component Location Diagrams, Schematic Diagrams

Motorola GP350 User Manual (96 pages)

Table of Contents

Portable Radios

Terms and Conditions

Warranty Information

Related Products

Motorola Categories