xii Table of Contents
February 14, 2012 6816985H01-F
6.4.17 700/800 MHz Receive RF Troubleshooting Chart................................................................... 6.4-16
6.4.18 VOCON Receive Audio Troubleshooting Chart....................................................................... 6.4-17
6.4.19 700/800 MHz Frequency Generation Unit Troubleshooting Chart .......................................... 6.4-18
6.4.20 VOCON Transmit Audio Troubleshooting Chart (1 of 2) ......................................................... 6.4-19
6.4.21 VOCON Transmit Audio Troubleshooting Chart (2 of 2) ......................................................... 6.4-20
6.4.22 No Transmit Deviation Troubleshooting Chart ........................................................................ 6.4-21
6.4.23 700/800 MHz Transmitter RF Troubleshooting Chart.............................................................. 6.4-22
6.4.24 Secure Hardware Failure......................................................................................................... 6.4-23
Chapter 6.5 900 MHz Troubleshooting Charts................................... 6.5-1
6.5.1 Introduction................................................................................................................................ 6.5-1
6.5.2 List of Troubleshooting Flowcharts............................................................................................ 6.5-1
6.5.3 900 MHz Radio Main Troubleshooting Chart ............................................................................ 6.5-2
6.5.4 Radio Power-Up Fail Troubleshooting Chart (1 of 3) ................................................................ 6.5-3
6.5.5 Radio Power-Up Fail Troubleshooting Chart (2 of 3) ................................................................ 6.5-4
6.5.6 Radio Power-Up Fail Troubleshooting Chart (3 of 3) ................................................................ 6.5-5
6.5.7 DC Supply Fail Troubleshooting Chart (1 of 3).......................................................................... 6.5-6
6.5.8 DC Supply Fail Troubleshooting Chart (2 of 3).......................................................................... 6.5-7
6.5.9 DC Supply Fail Troubleshooting Chart (3 of 3).......................................................................... 6.5-8
6.5.10 Button Test Troubleshooting Chart............................................................................................ 6.5-9
6.5.11 Volume Set Error Troubleshooting Chart ................................................................................ 6.5-10
6.5.12 Zone/Channel Select Error Troubleshooting Chart ................................................................. 6.5-11
6.5.13 Top/Side Button Error Troubleshooting Chart ......................................................................... 6.5-12
6.5.14 No Display Troubleshooting Chart (1 of 3) .............................................................................. 6.5-13
6.5.15 No Display Troubleshooting Chart (2 of 3) .............................................................................. 6.5-14
6.5.16 No Display Troubleshooting Chart (3 of 3) .............................................................................. 6.5-15
6.5.17 900 MHz Receive RF Troubleshooting Chart.......................................................................... 6.5-16
6.5.18 VOCON Receive Audio Troubleshooting Chart....................................................................... 6.5-17
6.5.19 900 MHz Frequency Generation Unit Troubleshooting Chart ................................................. 6.5-18
6.5.20 VOCON Transmit Audio Troubleshooting Chart (1 of 2) ......................................................... 6.5-19
6.5.21 VOCON Transmit Audio Troubleshooting Chart (2 of 2) ......................................................... 6.5-20
6.5.22 No Transmit Deviation Troubleshooting Chart ........................................................................ 6.5-21
6.5.23 900MHz Transmitter RF Troubleshooting Chart...................................................................... 6.5-22
6.5.24 Secure Hardware Failure......................................................................................................... 6.5-23
Chapter 7.1 VHF Troubleshooting Waveforms .................................. 7.1-1
7.1.1 Introduction................................................................................................................................ 7.1-1
7.1.2 List of Waveforms...................................................................................................................... 7.1-1
7.1.3 RF Test Points........................................................................................................................... 7.1-2
7.1.4 Main Circuit Board RF Shield Locations.................................................................................... 7.1-4
7.1.5 PP1 Antenna Input .................................................................................................................... 7.1-6
7.1.6 PP2 TX Signal at Harmonic Filter Input.....................................................................................7.1-7
7.1.7 PP3 Coupler RF Out.................................................................................................................. 7.1-8
7.1.8 PP4 TX Signal at PA ................................................................................................................. 7.1-9
7.1.9 TP5 Coupler RF Feedback to PCIC ........................................................................................ 7.1-10
7.1.10 TP6 PCIC Control Voltage....................................................................................................... 7.1-11
7.1.11 PP7 TX LO .............................................................................................................................. 7.1-12
7.1.12 PP8 Higher Level Voltage Multiplier ........................................................................................7.1-13
7.1.13 PP9 Superfilter Output............................................................................................................. 7.1-14
7.1.14 PP11 Prescalar Input to FracN Synthesizer............................................................................ 7.1-15
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