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Two-Way Radio
Spectra
Service manual
Motorola Spectra Service Manual
Uhf fm two-way radio 25/40 watts rf power
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Also See for Spectra
:
Installation manual
(32 pages)
,
Service manual
(96 pages)
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Table Of Contents
70
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of
70
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70
Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Contents
Scope and Purpose
Performance Specifications
Radio Instruction Sheet
General
Mode Information
Radio Service Aids
Theory Overview
Operation
Functional Block Diagram
Control Head
Description of Controls
A5 Package
A7 Package
Transceiver
Receiver Front End
RF Board
Serial Data Bus Logic States
Voltage Controlled Oscillator
Command Board
VCO Frequency
Power Amplifiers
Power Control
Circuit Protection
DC Interconnect
Front Panel Programming and Adjustments
Programming Controls
Enter Programming Mode
Top Level Menu
Change Parameters
Lower Level Menu Structure
Mode Parameters Menu
Change Mode Names
Edit Selective-Call List
Edit Scan Lists
To Edit the Unit Name
Conventional Channel Scan
Talkgroup Scan
Editing Scan Lists
Edit Phone List
Priority Talkgroup Scan
Change Radio-Wide Parameters
To Edit the Phone Name
Change Status, Message, Site or MPL Names
Entering Password
Change Secure Name Codes or Keys
Align Menu
High Power Adjustment
Low Power Adjustment
Alignment Mode Frequencies
Reference Oscillator Adjustment
Deviation Adjustment
Alignment Via IBM PC
Service Alignment Diagram
Alignment Procedures
Power Set and Current Limit Adjustment
Reference Oscillator Warp Alignment Procedure
Transmit Deviation Alignment Procedure
Compensation Alignment Procedure
Method 1
Method 2
TX Compensation Calibration Alignment
Signalling Deviation Adjustment
DTMF Encoder Microphone Deviation Adjustment
Troubleshooting and Repair
Power up Self Check Displays
Control Head Troubleshooting
Display Messages
Transmitter Troubleshooting
Control Head Problems
Transmitter Troubleshooting Chart
Receiver Troubleshooting
Synthesizer Troubleshooting
Handling Boards Containing CMOS IC Devices
Board Replacement
Control Head Board
Power Amplifier Board
Memory Board
Alignment
Removing Memory Board
VCO Assembly
Special Repair Procedure
Minimum RF Performance Tests
Test Frequency Menu
Fastener Torque Chart
Control Head Testing
Signalling Types
Checking Modulation Frequency and Deviation
Control Head Self-Test
Front Panel Diagnostics, Key Closure Displays
Parts List
Control Station Operation
Installation Planning
Antenna System
Radio Location
Radio Power Connector Detail
Folding Ribbon Cable for Installation
Installing Ribbon Cable
Horn/Lights Wiring Diagram
Emergency Switch Wiring Diagram
Remote Mount Control Cable
Ribbon Cable
Radio Front Connector
Control Head Interconnect Board
Remote Mount Interface Board
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See also:
Service Manual
,
Installation Manual
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Table of Contents
Troubleshooting
Troubleshooting and repair
38
Control head troubleshooting
39
Transmitter troubleshooting chart
40
Synthesizer troubleshooting
42
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