Comnet MLS II MLSH041 Manuals

Manuals and User Guides for Comnet MLS II MLSH041. We have 1 Comnet MLS II MLSH041 manual available for free PDF download: Maintenance Manual

Comnet MLS II MLSH041 Maintenance Manual

Comnet MLS II MLSH041 Maintenance Manual (30 pages)

Highband Two-Way Mobile Radios

Brand: Comnet | Category: Radio | Size: 0 MB

Table of Contents

Table of Contents
3
1 Description

4
2 Initial Adjustment

4
- Transmitter Adjustment
  4
- Receiver Adjustment
  4
- Re-Installation
  4
3 Maintenance

5
- Preventive Maintenance
  5
  - Connections
    5
  - Electrical System
    5
  - Mechanical Inspection
    5
  - Antenna
    5
  - Alignment
    5
  - Frequency Check
    5
  - Disassembly
    6
- Driver Replacement
  6
  - To Remove Driver HC1
    6
  - To Replace Driver HC1
    6
- PA Transistor Replacement
  6
- Chip Component Replacement
  8
  - To Remove Chip Components
    8
  - To Replace Chip Components
    8
4 Disassembly Procedure

9
5 Alignment and Troubleshooting Procedures

12
- Synthesizer
  12
  - Test Equipment Required
    12
  - TX VCO & RX VCO Alignment
    13
  - Transmitter Frequency Adjustment
    14
  - Receiver Frequency Adjustment
    15
  - Modulation Level Adjustment
    15
  - Audio Check
    15
  - Audio Output Level Adjustment Procedure
    16
  - Control Logic Troubleshooting
    17
- Transmitter
  18
- Receiver
  23
  - Receiver Alignment
    23
  - Alignment Procedure
    24
  - Fixed Squelch Adjustment
    25
  - Receiver Test Procedures
    25

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