Motorola ASTRO XTS 1500 - Page 10

x Table of Contents
August 16, 2007 6816985H01-B
Chapter 5 Troubleshooting Procedures ............................................. 5-1
5.1 Introduction................................................................................................................................... 5-1
5.2 Handling Precautions ................................................................................................................... 5-1
5.3 Voltage Measurement and Signal Tracing ................................................................................... 5-1
5.4 Standard Bias Table ..................................................................................................................... 5-2
5.5 Power-Up Self-Check Errors ........................................................................................................ 5-3
5.6 Operational Error Codes............................................................................................................... 5-4
5.6.1 Power-Up, Self-Check Diagnostics, and Repair (Not for Field Use)................................. 5-4
Chapter 6.1 VHF Troubleshooting Charts .......................................... 6.1-1
6.1.1 Introduction................................................................................................................................ 6.1-1
6.1.2 List of Troubleshooting Flowcharts............................................................................................ 6.1-1
6.1.3 VHF Radio Main Troubleshooting Chart.................................................................................... 6.1-2
6.1.4 Radio Power-Up Fail Troubleshooting Chart (1 of 3) ................................................................ 6.1-3
6.1.5 Radio Power-Up Fail Troubleshooting Chart (2 of 3) ................................................................ 6.1-4
6.1.6 Radio Power-Up Fail Troubleshooting Chart (3 of 3) ................................................................ 6.1-5
6.1.7 DC Supply Fail Troubleshooting Chart (1 of 3).......................................................................... 6.1-6
6.1.8 DC Supply Fail Troubleshooting Chart (2 of 3).......................................................................... 6.1-7
6.1.9 DC Supply Fail Troubleshooting Chart (3 of 3).......................................................................... 6.1-8
6.1.10 Button Test Troubleshooting Chart............................................................................................ 6.1-9
6.1.11 Volume Set Error Troubleshooting Chart ................................................................................ 6.1-10
6.1.12 Zone/Channel Select Error Troubleshooting Chart ................................................................. 6.1-11
6.1.13 Top/Side Button Error Troubleshooting Chart ......................................................................... 6.1-12
6.1.14 No Display Troubleshooting Chart (1 of 3) .............................................................................. 6.1-13
6.1.15 No Display Troubleshooting Chart (2 of 3) .............................................................................. 6.1-14
6.1.16 No Display Troubleshooting Chart (3 of 3) .............................................................................. 6.1-15
6.1.17 VHF Receive RF Troubleshooting Chart ................................................................................. 6.1-16
6.1.18 VOCON Receive Audio Troubleshooting Chart....................................................................... 6.1-17
6.1.19 VHF Frequency Generation Unit Troubleshooting Chart......................................................... 6.1-18
6.1.20 VOCON Transmit Audio Troubleshooting Chart (1 of 2) ......................................................... 6.1-19
6.1.21 VOCON Transmit Audio Troubleshooting Chart (2 of 2) ......................................................... 6.1-20
6.1.22 No Transmit Deviation Troubleshooting Chart ........................................................................ 6.1-21
6.1.23 VHF Transmitter RF Troubleshooting Chart............................................................................ 6.1-22
6.1.24 Secure Hardware Failure......................................................................................................... 6.1-23
Chapter 6.2 UHF1 Troubleshooting Charts ........................................ 6.2-1
6.2.1 Introduction................................................................................................................................ 6.2-1
6.2.2 List of Troubleshooting Flowcharts............................................................................................ 6.2-1
6.2.3 UHF Range 1 Radio Main Troubleshooting Chart..................................................................... 6.2-2
6.2.4 Radio Power-Up Fail Troubleshooting Chart (1 of 3) ................................................................ 6.2-3
6.2.5 Radio Power-Up Fail Troubleshooting Chart (2 of 3) ................................................................ 6.2-4
6.2.6 Radio Power-Up Fail Troubleshooting Chart (3 of 3) ................................................................ 6.2-5
6.2.7 DC Supply Fail Troubleshooting Chart (1 of 3).......................................................................... 6.2-6
6.2.8 DC Supply Fail Troubleshooting Chart (2 of 3).......................................................................... 6.2-7
6.2.9 DC Supply Fail Troubleshooting Chart (3 of 3).......................................................................... 6.2-8
6.2.10 Button Test Troubleshooting Chart............................................................................................ 6.2-9
6.2.11 Volume Set Error Troubleshooting Chart ................................................................................ 6.2-10
6.2.12 Zone/Channel Select Error Troubleshooting Chart ................................................................. 6.2-11
6.2.13 Top/Side Button Error Troubleshooting Chart ......................................................................... 6.2-12