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GP350
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
Table of Contents
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
Overview
32
Troubleshooting Charts
32
Section
32
Troubleshooting Flow Chart for Receiver
33
Troubleshooting Flow Chart for Transmitter
34
Troubleshooting Flow Chart for Synthesizer
35
Troubleshooting Flow Chart for Microprocessor
36
Troubleshooting Flow Chart for VCO
37
Exploded Views, and Parts Lists
38
Component Location Diagrams, Schematic Diagrams
38
General
38
Controller
38
Transceiver
38
Schematic Notes
38
Parts List: 0180702Y89 Battery Filter Board
38
Parts List: Flex Circuit
38
Component Location Diagrams, Schematic Diagrams, and Parts Lists for Battery Filter Board and Flex Circuit
38
Component Location Diagram for HLD9440A and HLD9441A VHF, 146-174Mhz, Transceiver and Controller
39
Schematic Diagram for HLD9440A and HLD9441A VHF, 146-174Mhz, Transceiver Section
40
Component Location Diagram for HLE9480A and HLE9481A
41
UHF, 438-470Mhz, Transceiver Section
42
Schematic Diagram for HLE9480A and HLE9481A
42
Schematic Diagram for Controller Section
43
Parts List: Controller Components (for All Bandsplits)
44
Parts List: Hld9440A and Hld9441A, 146-174Mhz Vhf Transceiver
45
Parts List: Hle9480A and Hle9481A, 438-470Mhz Uhf Transceiver
46
Parts List: GP350 Basic Mechanical
47
HLN9960A DTMF Circuit Board Detail
48
HLN9960A DTMF Schematic Diagram and Parts List
49
Battery Chargers Single and Multi-Unit Rapid Rate (1 Hour)
50
Battery Chargers Standard Rate (10 Hour)
52
Schematic Diagram and Parts List for HMN9041A Remote Speaker/Microphone
54
Exploded View and Parts List for HMN9041A Remote Speaker/Microphone
55
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Motorola GP350 User Manual (96 pages)
Accessory and Battery Catalog
Brand:
Motorola
| Category:
Two-Way Radio
| Size: 8.2 MB
Table of Contents
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
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