Motorola Astro Digital Mobile Radio Xtl5000 Detailled 6881096c74 B Manual

Table of Contentsix
6881096C74-BMay 25, 2005
3.7.4.10 Receiver Injection ...................................................................................................3-61
3.7.4.11 Transmitter VCOs...................................................................................................3-61
3.7.4.12 Receiver VCOs.......................................................................................................3-62
3.7.4.13 Prescaler Feedback...

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4.8.3 Out-of-Lock Condition .....................................................................................................4-22
4.8.4 No or Low Output Power (TX or RX Injection) ................................................................4-22
4.8.5 No or Low Modulation .....................................................................................................4-22
4.8.6 Troubleshooting the...

Table of Contentsxi
6881096C74-BMay 25, 2005
5.6.19 RX Back-End—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—
Part 2 of 3 ........................................................................................................................5-33
5.6.20 RX Back-End — Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—
Part 3 of 3 ........................................................................................................................5-34
5.6.21 Low or No RX Injection Signal...

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Chapter 6 Troubleshooting Waveforms .............................................. 6-1
6.1 Introduction.....................................................................................................................................6-1
6.2 XTL 5000 Waveforms.....................................................................................................................6-2
6.2.1 Power-On Reset Timing...

Table of Contentsxiii
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Chapter 9 Flex Cable Pin-Out Lists .....................................................9-1
9.1 List of Flex Cables ..........................................................................................................................9-1
9.2 Flex Cables ....................................................................................................................................9-1
Appendix A Secure Modules...

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List of Figuresxv
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List of Figures
Figure 2-1. VIP Dash-Mount Configuration ..............................................................................................2-2
Figure 2-2. VIP Remote-Mount Configuration..........................................................................................2-3
Figure 2-3. VIP Remote-Mount Pin-Outs (Male) ......................................................................................2-3
Figure 2-4. VIP Remote-Mount W3...

xviList of Figures
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Figure 3-45. B+ Routing for Controller Section ........................................................................................3-65
Figure 3-46. Power-On Reset Circuit.......................................................................................................3-67
Figure 3-47. Patriot IC (U100) UART Configuration ................................................................................3-69
Figure 3-48. Serial Peripheral Interface (SPI)...

List of Figuresxvii
6881096C74-BMay 25, 2005
Figure 5-31. RF Power Amplifier (RFPA)—No or Low TX Power Output 
(380–470 MHz and 450–520 MHz)—Part 2 of 5 .................................................................5-41
Figure 5-32. RF Power Amplifier (RFPA)—No or Low TX Power Output 
(380–470 MHz and 450–520 MHz)—Part 3 of 5 .................................................................5-42
Figure 5-33. RFPA Power Control—No VGBIAS (380–470 MHz and 450–520 MHz).............................5-45...

xviiiList of Figures
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Figure 7-32. HUD4022A Secure  Block Diagram and Interconnections ..................................................7-34
Figure 7-33. HUD4022A Accessory Connector Schematic .....................................................................7-35
Figure 7-34. HUD4022A Power Supply Schematic .................................................................................7-36
Figure 7-35. HUD4022A USB/RS232/SB9600 Schematic...