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 ...............................................................................................3-62
3.8 Controller Section .........................................................................................................................3-62
3.8.1 Daughtercard Module ......................................................................................................3-64
3.8.2 Controller DC Power Distribution ....................................................................................3-65
3.8.3 Encryption Voltages ........................................................................................................3-66
3.8.4 Reset Circuits ..................................................................................................................3-67
3.8.5 Power-Up/Power-Down Sequence..................................................................................3-68
3.8.5.1 Power Turn-On .......................................................................................................3-68
3.8.5.2 Power Turn-Off .......................................................................................................3-68
3.8.5.3 Emergency Power-Up/-Down Sequence................................................................3-68
3.8.6 MCU and DSP System Clocks ........................................................................................3-68
3.8.7 RS-232 USB Bus.............................................................................................................3-69
3.8.8 Serial Communications on the External Bus (SB9600) ...................................................3-71
3.8.9 Serial Peripheral Interface (SPI) Bus ..............................................................................3-71
3.8.10 Receive Audio .................................................................................................................3-72
3.8.11 Transmit Audio ................................................................................................................3-74
3.8.12 Flash Programming .........................................................................................................3-75
3.8.13 Reflashing/Upgrading Firmware ......................................................................................3-76
Chapter 4 Troubleshooting Procedures ..............................................4-1
4.1 Introduction.....................................................................................................................................4-1
4.2 Handling Precautions .....................................................................................................................4-1
4.2.1 Parts Replacement and Substitution .................................................................................4-1
4.2.2 Rigid Circuit Boards...........................................................................................................4-2
4.2.3 Heat-Related Precautions .................................................................................................4-2
4.2.4 Daughtercard Module ........................................................................................................4-2
4.2.4.1 SRAM .......................................................................................................................4-2
4.2.4.2 Testing......................................................................................................................4-2
4.3 Voltage Measurement and Signal Tracing .....................................................................................4-3
4.4 Power-Up Self-Check Errors ..........................................................................................................4-3
4.5 Operational Error Codes ................................................................................................................4-5
4.6 VHF (136–174 MHz) Band Main Board Troubleshooting ...............................................................4-5
4.6.1 Display Flashes “FAIL 001” ...............................................................................................4-5
4.6.2 VCO Hybrid Assembly.......................................................................................................4-6
4.6.3 Out-of-Lock Condition .......................................................................................................4-7
4.6.4 FGU Troubleshooting Aids ................................................................................................4-7
4.6.5 No or Low Output Power (TX or RX Injection) ................................................................4-11
4.6.6 No or Low Modulation .....................................................................................................4-11
4.6.7 Troubleshooting the Back-End ........................................................................................4-11
4.7 UHF Range 1 (380–470 MHz) Band Main Board Troubleshooting ..............................................4-11
4.7.1 Display Flashes “FAIL 001” .............................................................................................4-11
4.7.2 FGU Troubleshooting Aids ..............................................................................................4-13
4.7.3 Out-of-Lock Condition .....................................................................................................4-16
4.7.4 No or Low Output Power (TX or RX Injection) ................................................................4-16
4.7.5 No or Low Modulation .....................................................................................................4-16
4.7.6 Troubleshooting the Back-End ........................................................................................4-16
4.8 UHF Range 2 (450–520 MHz) Band Main Board Troubleshooting ..............................................4-17
4.8.1 Display Flashes “FAIL 001” .............................................................................................4-17
4.8.2 FGU Troubleshooting Aids ..............................................................................................4-19 
						

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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 Back-End........................................................................................4-22
4.9 700–800 MHz Main Board Troubleshooting .................................................................................4-22
4.9.1 Display Flashes “FAIL 001” .............................................................................................4-23
4.9.2 FGU Troubleshooting Aids ..............................................................................................4-24
4.9.3 No or Low Output Power (TX or RX Injection) ................................................................4-28
4.9.4 No or Low Modulation .....................................................................................................4-28
4.9.5 Troubleshooting the Back-End........................................................................................4-28
4.10 Standard Bias Tables ...................................................................................................................4-28
4.11 Receiver Front-End (RXFE) .........................................................................................................4-33
4.11.1 VHF (136–174 MHz) Band ..............................................................................................4-33
4.11.2 UHF Range 1 (380–470 MHz) Band ...............................................................................4-33
4.11.3 UHF Range 2 (450–520 MHz) Band ...............................................................................4-34
4.11.4 700–800 MHz Band.........................................................................................................4-34
4.12 Power Amplifier Procedures .........................................................................................................4-34
4.12.1 VHF (136–174 MHz) Band ..............................................................................................4-34
4.12.1.1 50-Watt Power Amplifiers .......................................................................................4-34
4.12.1.2 General Troubleshooting and Repair Notes ...........................................................4-34
4.12.2 UHF Range 1 (380–470 MHz) Band ...............................................................................4-35
4.12.3 UHF Range 2 (450–520 MHz) Band ...............................................................................4-35
4.12.4 700–800 MHz Band.........................................................................................................4-35
Chapter 5 Troubleshooting Charts ...................................................... 5-1
5.1 Introduction.....................................................................................................................................5-1
5.2 List of Troubleshooting Charts .......................................................................................................5-1
5.3 Troubleshooting Tables ..................................................................................................................5-3
5.3.1 For Mid Power models ......................................................................................................5-3
5.3.2 For High Power models and UHF R2 Mid Power ..............................................................5-7
5.4 Troubleshooting Test Points.........................................................................................................5-12
5.5 Board ID Jumper Configuration ....................................................................................................5-13
5.6 Flowcharts ....................................................................................................................................5-14
5.6.1 Poor RX Sensitivity or No RX Audio (136–174 MHz)—Part 1 of 2..................................5-15
5.6.2 Poor RX Sensitivity or No RX Audio (136–174 MHz)—Part 2 of 2..................................5-16
5.6.3 RX IF—Poor SINAD or No Audio (136–174 MHz) ..........................................................5-17
5.6.4 RX Back-End—Poor SINAD or No Audio (136–174 MHz)—Part 1 of 3..........................5-18
5.6.5 RX Back-End—Poor SINAD or No Audio (136–174 MHz)—Part 2 of 3..........................5-19
5.6.6 RX Back-End—Poor SINAD or No Audio (136–174 MHz)—Part 3 of 3..........................5-20
5.6.7 Low or No RX Injection Signal (136–174 MHz) ...............................................................5-21
5.6.8 Low or No TX Injection Signal (136–174 MHz) ...............................................................5-22
5.6.9 TX or RX VCO Unlock (Fail 001) (136–174 MHz)—Part 1 of 2.......................................5-23
5.6.10 TX or RX VCO Unlock (Fail 001) (136–174 MHz)—Part 2 of 2.......................................5-24
5.6.11 No Output Power at TX Mode (136–174 MHz) ...............................................................5-25
5.6.12 No Output Power and IDC < 2A at TX Mode (136–174 MHz) .........................................5-26
5.6.13 No 16.8 MHz Reference Oscillator Frequency (380–470 MHz and 450–520 MHz)........5-27
5.6.14 Poor RX Sensitivity or No RX Audio (380–470 MHz and 450–520 MHz)—Part 1 of 2 ...5-28
5.6.15 Poor RX Sensitivity or No RX Audio (380–470 MHz and 450–520 MHz)—Part 2 of 2 ...5-29
5.6.16 RX IF—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—Part 1 of 2........5-30
5.6.17 RX IF—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—Part 2 of 2........5-31
5.6.18 RX Back-End—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—
Part 1 of 3 ........................................................................................................................5-32 
						

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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 (380–470 MHz and 450–520 MHz) ................................5-35
5.6.22 Low or No TX Injection Signal (380–470 MHz and 450–520 MHz) .................................5-36
5.6.23 No TX Audio (380–470 MHz and 450–520 MHz) ............................................................5-37
5.6.24 TX or RX VCO Unlock (Fail 001) (380–470 MHz and 450–520 MHz)—Part 1 of 2 ........5-38
5.6.25 TX or RX VCO Unlock (Fail 001) (380–470 MHz and 450–520 MHz)—Part 2 of 2 ........5-39
5.6.26 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–
520 MHz)—Part 1 of 5.....................................................................................................5-40
5.6.27 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–
520 MHz)—Part 2 of 5.....................................................................................................5-41
5.6.28 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–
520 MHz)—Part 3 of 5.....................................................................................................5-42
5.6.29 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–520 
MHz)—Part 4 of 5............................................................................................................5-43
5.6.30 RF Power Amplifier (RFPA)—No or Low TX Power Output (380–470 MHz and 450–520 
MHz)—Part 5 of 5............................................................................................................5-44
5.6.31 RFPA Power Control—No VGBIAS (380–470 MHz and 450–520 MHz) ........................5-45
5.6.32 No 16.8 MHz Reference Oscillator Frequency (700–800 MHz)......................................5-46
5.6.33 Poor RX Sensitivity or No RX Audio (700–800 MHz)—Part 1 of 2 ..................................5-47
5.6.34 Poor RX Sensitivity or No RX Audio (700–800 MHz)—Part 2 of 2 ..................................5-48
5.6.35 RX IF—Poor SINAD or No Audio (700–800MHz) ..........................................................5-49
5.6.36 RX Back-End—Poor SINAD or No Audio (700–800 MHz)—Part 1 of 3 ..........................5-50
5.6.37 RX Back-End—Poor SINAD or No Audio (700–800 MHz)—Part 2 of 3 ..........................5-51
5.6.38 RX Back-End—Poor SINAD or No Audio (700–800 MHz)—Part 3 of 3 ..........................5-52
5.6.39 Low or No RX Injection Signal (700–800MHz) ...............................................................5-53
5.6.40 Low or No TX Injection Signal (700–800 MHz) ...............................................................5-54
5.6.41 No TX Audio (700–800 MHz) ..........................................................................................5-55
5.6.42 TX or RX VCO Unlock (Fail 001) (700–800MHz)—Part 1 of 2 .......................................5-56
5.6.43 TX or RX VCO Unlock (Fail 001) (700–800MHz)—Part 2 of 2 .......................................5-57
5.6.44 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 1 of 5 ........................................................................................................................5-58
5.6.45 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 2 of 5 ........................................................................................................................5-59
5.6.46 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 3 of 5 ........................................................................................................................5-60
5.6.47 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 4 of 5 ........................................................................................................................5-61
5.6.48 RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—
Part 5 of 5 ........................................................................................................................5-62
5.6.49 RFPA Power Control—No K9.1V (700–800 MHz) ..........................................................5-63
5.6.50 RFPA Power Control—No VGBIAS (700–800 MHz).......................................................5-64
5.6.51 RFPA Power Control—No or Low TX RFPA_CNTRL (700–800 MHz)—Part 1 of 2 .......5-65
5.6.52 RFPA Power Control—No or Low TX RFPA_CNTRL (700–800 MHz)—Part 2 of 2 .......5-66 
						

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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 ....................................................................................................6-2
6.2.2 Power-On to Soft Turn-On Timing.....................................................................................6-2
6.2.3 Power-Down Reset ...........................................................................................................6-3
6.2.4 16.8 MHz Clock Waveform................................................................................................6-3
6.2.5 32 kHz Clock Waveform ....................................................................................................6-4
6.2.6 DSP SSI Port RX Mode.....................................................................................................6-4
6.2.7 DSP SSI Port TX Mode CSQ ............................................................................................6-5
6.2.8 SPI Bus Waveform ............................................................................................................6-5
6.2.9 SB9600 Waveforms ..........................................................................................................6-6
6.2.10 SB9600 BUS+ and BUS- Waveforms ...............................................................................6-6
6.2.11 SB9600 BUS+ and RESET Waveforms ............................................................................6-7
6.2.12 SB9600 BUSY and BUS- Waveforms ...............................................................................6-7
6.2.13 RS-232 RX Waveforms .....................................................................................................6-8
6.2.14 RS-232 TX Waveforms .....................................................................................................6-8
6.2.15 RS-232 RX/TX Waveforms ...............................................................................................6-9
6.2.16 USB Waveforms ................................................................................................................6-9
6.2.17 Serial Audio Port Waveforms ..........................................................................................6-10
6.2.18 Secure Interface Waveforms ...........................................................................................6-10
6.2.19 8 kHz Frame Sync Waveform .........................................................................................6-11
6.2.20 RX Audio Waveforms ......................................................................................................6-11
6.2.21 TX Audio Waveforms ......................................................................................................6-12
6.2.22 TX and RX 1 kHz Audio Path Sinewave and Chart.........................................................6-12
Chapter 7 Schematics, Component Location Diagrams, and 
Parts Lists ............................................................................ 7-1
7.1 List of Schematics, Component Location Diagrams, and Parts Lists .............................................7-1
7.2 HUD4022A/HUD4025B (VHF) Main Board ....................................................................................7-3
7.3 HUE4039A/HUE4043A (UHF Range 1) Main Board....................................................................7-72
7.4 HUE4040A (UHF Range 2) Main Board.....................................................................................7-132
7.5 HUF4017A (700-800 MHz) Main Board .....................................................................................7-174
Chapter 8 Interconnect Boards Schematics, Component Location
Diagrams, and Parts Lists................................................... 8-1
8.1 List of Interconnect Board Schematics and Component Location Diagrams .................................8-1
8.2 W3 Hand-Held Control Head (HHCH) Interconnect Board ............................................................8-1
8.3 Remote Interconnect Boards (Mid Power Only) .............................................................................8-2
8.4 Remote Interconnect Board (High Power Only) ...........................................................................8-13
8.5 Secure Interface Board ................................................................................................................8-20
8.6 Motorcycle Signal Routing............................................................................................................8-21 
						

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6881096C74-BMay 25, 2005
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 .................................................................. A-1
A.1 Universal Crypto Module Kits ........................................................................................................ A-1
A.1.1 Secure Interface Boards...................................................................................................A-1
A.2 Circuit Description ......................................................................................................................... A-2
A.3 Troubleshooting Secure Operations.............................................................................................. A-2
A.3.1 Error 09/10, Error 09/90 ...................................................................................................A-2
A.3.2 Error S03 .......................................................................................................................... A-2
A.3.3 Keyload ............................................................................................................................ A-2
Appendix B Replacement Parts Ordering ............................................. B-1
B.1 Basic Ordering Information............................................................................................................ B-1
B.2 Motorola Online ............................................................................................................................. B-1
B.3 Mail Orders .................................................................................................................................... B-1
B.4 Telephone Orders ......................................................................................................................... B-1
B.5 Fax Orders .................................................................................................................................... B-2
B.6 Parts Identification ......................................................................................................................... B-2
B.7 Product Customer Service ............................................................................................................ B-2
Glossary......................................................................................... Glossary-1
Index...................................................................................................... Index-i 
						

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							List of Figuresxv
6881096C74-BMay 25, 2005
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 Control-Head Configuration .............................................................2-4
Figure 2-5. VIP Remote-Mount Plus DEK Configuration .........................................................................2-5
Figure 2-6. VIP Remote-Mount Plus DEK Pin-Outs (Male) .....................................................................2-5
Figure 3-1. XTL 5000 Main Board Sections (VHF Mid Power)—Side 1 ..................................................3-2
Figure 3-2. XTL 5000 Main Board Sections (VHF Mid Power)—Side 2 ..................................................3-3
Figure 3-3. XTL 5000 Main Board Sections (VHF High Power)—Side 1 .................................................3-4
Figure 3-4. XTL 5000 Main Board Sections (VHF High Power)—Side 2 .................................................3-5
Figure 3-5. XTL 5000 Main Board Sections (UHF Range 1 Mid Power and UHF Range 2)—Side 1......3-6
Figure 3-6. XTL 5000 Main Board Sections (UHF Range 1 Mid Power and UHF Range 2)—Side 2......3-7
Figure 3-7. XTL 5000 Main Board Sections (UHF Range 1 High Power)—Side 1 ..................................3-8
Figure 3-8. XTL 5000 Main Board Sections (UHF Range 1 High Power)—Side 2 ..................................3-9
Figure 3-9. XTL 5000 Main Board Sections (700–800 MHz)—Side 1 ...................................................3-10
Figure 3-10. XTL 5000 Main Board Sections (700–800 MHz)—Side 2 ................................................... 3-11
Figure 3-11. DC Voltage Routing Block Diagram (UHF Range 1 and UHF Range 2) .............................3-12
Figure 3-12. DC Voltage Routing Block Diagram (VHF and 700–800 MHz)............................................3-13
Figure 3-13. Receiver Block Diagram (VHF) ...........................................................................................3-14
Figure 3-14. Receiver Front-End and Back-End (UHF Range 1) ............................................................3-15
Figure 3-15. Receiver Front-End and Back-End (UHF Range 2) ............................................................3-17
Figure 3-16. Receiver Front-End and Back-End (700–800 MHz) ............................................................3-19
Figure 3-17. ABACUS III (AD9874) IC Functional Block Diagram from Data Sheet (VHF) .....................3-21
Figure 3-18. ABACUS III (AD9874) IC Functional Block Diagram from Data Sheet (UHF Range 1) ......3-22
Figure 3-19. ABACUS III (AD9874) IC Functional Block Diagram from Data Sheet (UHF Range 2) ......3-24
Figure 3-20. ABACUS III (AD9874) IC Functional Block Diagram from Data Sheet (700–800 MHz) ......3-25
Figure 3-21. 50-Watt RF Power Amplifier (RFPA) Gain Stages (VHF) ....................................................3-26
Figure 3-22. 100-Watt RF Power Amplifier (RFPA) Gain Stages (VHF) ..................................................3-28
Figure 3-23. Output Network Components (VHF)....................................................................................3-29
Figure 3-24. Power Control Components (VHF) ......................................................................................3-30
Figure 3-25. 40-Watt RF Power Amplifier (RFPA) Gain Stages (UHF Range 1) .....................................3-31
Figure 3-26. 100-Watt RF Power Amplifier (RFPA) Gain Stages (UHF Range 1) ...................................3-33
Figure 3-27. Output Network Components (UHF Range 1) .....................................................................3-34
Figure 3-28. Power Control Components (UHF Range 1) .......................................................................3-36
Figure 3-29. 45-Watt RF Power Amplifier (RFPA) Gain Stages (UHF Range 2) .....................................3-37
Figure 3-30. Output Network Components (UHF Range 2) .....................................................................3-38
Figure 3-31. Power Control Components (UHF Range 2) .......................................................................3-40
Figure 3-32. 35-Watt RF Power Amplifier (RFPA) Gain Stages (700–800 MHz) .....................................3-41
Figure 3-33. Output Network Components (700–800 MHz) ....................................................................3-42
Figure 3-34. Power Control Components (700–800 MHz).......................................................................3-44
Figure 3-35. Frequency Generation Unit Block Diagram (VHF) ..............................................................3-46
Figure 3-36. Waveform Representation During Programming of the LV Frac-N IC (VHF) ......................3-47
Figure 3-37. Frequency Generation Unit Block Diagram (UHF Range 1)................................................3-50
Figure 3-38. Waveform Representation During Programming of the LV Frac-N IC (UHF Range 1)........3-51
Figure 3-39. Frequency Generation Unit Block Diagram (UHF Range 2)................................................3-54
Figure 3-40. Waveform Representation During Programming of the LV Frac-N IC (UHF Range 2)........3-55
Figure 3-41. Frequency Generation Unit Block Diagram (700–800 MHz) ...............................................3-58
Figure 3-42. Waveform Representation During Programming of the LV Frac-N IC .................................3-59
Figure 3-43. XTL 5000 Controller Section ...............................................................................................3-63
Figure 3-44. XTL 5000 Daughtercard Module .........................................................................................3-64 
						

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May 25, 20056881096C74-B
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) Block Diagram .................................................................3-72
Figure 3-49. XTL 5000 RX Signal Path ...................................................................................................3-73
Figure 3-50. XTL 5000 TX Signal Path ....................................................................................................3-75
Figure 3-51. Boot RX and Boot TX Data Lines ........................................................................................3-75
Figure 4-1. Frequency Generator Unit DC Power Supply Distribution (VHF) ..........................................4-8
Figure 4-2. Frequency Generation Unit Block Diagram (VHF) ................................................................4-9
Figure 4-3. Waveform Representation During Programming of the LV Frac-N IC (U3751) ................... 4-11
Figure 4-4. Frequency Generation Unit DC Power Supply Distribution (UHF Range 1)........................4-13
Figure 4-5. Frequency Generation Unit Block Diagram (UHF Range 1)................................................4-14
Figure 4-6. Waveform Representation During Programming of the LV Frac-N IC (U5752) ...................4-16
Figure 4-7. Frequency Generation Unit DC Power Supply Distribution (UHF Range 2)........................4-19
Figure 4-8. Frequency Generation Unit Block Diagram (UHF Range 2)................................................4-20
Figure 4-9. Waveform Representation During Programming of the LV Frac-N IC (U5752) ...................4-22
Figure 4-10. Frequency Generation Unit DC Power Supply Distribution (700–800 MHz) .......................4-25
Figure 4-11. Frequency Generation Unit Block Diagram (700–800 MHz) ...............................................4-26
Figure 4-12. Waveform Representation During Programming of the LV Frac-N IC (U6751) ...................4-28
Figure 5-1. Main Board Test Points—Top Side (for Mid Power) ............................................................5-12
Figure 5-2. Main Board Test Points—Bottom Side (for Mid Power) .......................................................5-12
Figure 5-3. Main Board Test Points—Top Side (for High Power) ...........................................................5-13
Figure 5-4. Main Board Test Points—Bottom Side (for High Power) .....................................................5-13
Figure 5-5. Poor RX Sensitivity or No RX Audio (136–174 MHz)—Part 1 of 2 ......................................5-15
Figure 5-6. Poor RX Sensitivity or No RX Audio (136–174 MHz)—Part 2 of 2 ......................................5-16
Figure 5-7. RX IF—Poor SINAD or No Audio (136–174 MHz) ..............................................................5-17
Figure 5-8. RX Back-End—Poor SINAD or No Audio (136–174 MHz)—Part 1 of 3 ..............................5-18
Figure 5-9. RX Back-End—Poor SINAD or No Audio (136–174 MHz)—Part 2 of 3 ..............................5-19
Figure 5-10. RX Back-End—Poor SINAD or No Audio (136–174 MHz)—Part 3 of 3 ..............................5-20
Figure 5-11. Low or No RX Injection Signal (136–174 MHz) ...................................................................5-21
Figure 5-12. Low or No TX Injection Signal (136–174 MHz) ...................................................................5-22
Figure 5-13. TX or RX VCO Unlock (Fail 001) (136–174 MHz)—Part 1 of 2 ...........................................5-23
Figure 5-14. TX or RX VCO Unlock (Fail 001) (136–174 MHz)—Part 2 of 2 ...........................................5-24
Figure 5-15. No Output Power at TX Mode (136–174 MHz) ...................................................................5-25
Figure 5-16. No Output Power and IDC < 2A at TX Mode (136–174 MHz) .............................................5-26
Figure 5-17. No 16.8 MHz Reference Oscillator Frequency (380–470 MHz and 450–520 MHz) ............5-27
Figure 5-18. Poor RX Sensitivity or No RX Audio (380–470 MHz and 450–520 MHz)—Part 1 of 2 .......5-28
Figure 5-19. Poor RX Sensitivity or No RX Audio (380–470 MHz and 450–520 MHz)—Part 2 of 2 .......5-29
Figure 5-20. RX IF—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—Part 1 of 2 ............5-30
Figure 5-21. RX IF—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—Part 2 of 2 ............5-31
Figure 5-22. RX Back-End—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—
Part 1 of 3 ............................................................................................................................5-32
Figure 5-23. RX Back-End—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—
Part 2 of 3 ............................................................................................................................5-33
Figure 5-24. RX Back-End—Poor SINAD or No Audio (380–470 MHz and 450–520 MHz)—
Part 3 of 3 ....................................................................................................................
........5-34
Figure 5-25. Low or No RX Injection Signal (380–470 MHz and 450–520 MHz) ....................................5-35
Figure 5-26. Low or No TX Injection Signal (380–470 MHz and 450–520 MHz) .....................................5-36
Figure 5-27. No TX Audio (380–470 MHz and 450–520 MHz) ................................................................5-37
Figure 5-28. TX or RX VCO Unlock (Fail 001) (380–470 MHz and 450–520 MHz)—Part 1 of 2 ............5-38
Figure 5-29. TX or RX VCO Unlock (Fail 001) (380–470 MHz and 450–520 MHz)—Part 2 of 2 ............5-39
Figure 5-30. RF Power Amplifier (RFPA)—No or Low TX Power Output 
(380–470 MHz and 450–520 MHz)—Part 1 of 5 .................................................................5-40 
						

							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
Figure 5-34. No 16.8 MHz Reference Oscillator Frequency (700–800 MHz) ..........................................5-46
Figure 5-35. Poor RX Sensitivity or No RX Audio (700–800 MHz)—Part 1 of 2 ......................................5-47
Figure 5-36. Poor RX Sensitivity or No RX Audio (700–800 MHz)—Part 2 of 2 ......................................5-48
Figure 5-37. RX IF—Poor SINAD or No Audio (700–800 MHz) ..............................................................5-49
Figure 5-38. RX Back-End—Poor SINAD or No Audio (700–800 MHz)—Part 1 of 3 ..............................5-50
Figure 5-39. RX Back-End—Poor SINAD or No Audio (700–800 MHz)—Part 2 of 3 ..............................5-51
Figure 5-40. RX Back-End—Poor SINAD or No Audio (700–800 MHz)—Part 3 of 3 ..............................5-52
Figure 5-41. Low or No RX Injection Signal (700–800 MHz) ...................................................................5-53
Figure 5-42. Low or No TX Injection Signal (700–800 MHz) ...................................................................5-54
Figure 5-43. No TX Audio (700–800 MHz) ..............................................................................................5-55
Figure 5-44. TX or RX VCO Unlock (Fail 001) (700–800 MHz)—Part 1 of 2 ...........................................5-56
Figure 5-45. TX or RX VCO Unlock (Fail 001) (700–800 MHz)—Part 2 of 2 ...........................................5-57
Figure 5-46. RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—Part 1 of 5 ..5-58
Figure 5-47. RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—Part 2 of 5 ..5-59
Figure 5-48. RF Power Amplifier (RFPA)—No or Low TX Power Output (700–800 MHz)—Part 3 of 5 ..5-60
Figure 5-49. RFPA Power Control—No K9.1V (700–800MHz)...............................................................5-63
Figure 5-50. RFPA Power Control—No VGBIAS (700–800 MHz) ...........................................................5-64
Figure 5-51. RFPA Power Control—No or Low TX RFPA_CNTRL (700–800 MHz)—Part 1 of 2 ...........5-65
Figure 7-1. HUD4022A/HUD4025 Main Board Overall Block Diagram and Interconnections .................7-3
Figure 7-2. HUD4022A Controller Block Diagram and Interconnections (Sheet 1 of 2) ..........................7-4
Figure 7-3. HUD4022A Controller Block Diagram and Interconnections (Sheet 2 of 2) ..........................7-5
Figure 7-4. HUD4022A Controller Urchin IC, MUX, and AD5320 DAC Schematic .................................7-6
Figure 7-5. HUD4022A Controller Audio Schematic ................................................................................7-7
Figure 7-6. HUD4022A/HUD4025B Controller Power Control (Sheet 1 of 2) ..........................................7-8
Figure 7-7. HUD4022A/HUD4025B Controller Power Control (Sheet 2 of 2) ..........................................7-9
Figure 7-8. HUD4025B/HUE4043A Controller Block Diagram ..............................................................7-10
Figure 7-9. HUD4025B/HUE4043A Controller Daughter Board Interface .............................................7-11
Figure 7-10. HUD4025B/HUE4043A Controller Urchin IC, MUX and AD5320 DAC ...............................7-12
Figure 7-11. HUD4025B/HUE4043A Controller Audio.............................................................................7-13
Figure 7-12. HUD4025B/HUE4043A Controller Interface, Secure and Power Block Diagram ................7-14
Figure 7-13. HUD4025B/HUE4043A Controller Power Supply................................................................7-15
Figure 7-14. HUD4025B/HUE4043A USB/RS232 Interface ....................................................................7-16
Figure 7-15. HUD4025B/HUE4043A SB9600 .........................................................................................7-17
Figure 7-16. HUD4025B/HUE4043A Control Head Connector 1 of 2......................................................7-18
Figure 7-17. HUD4025B/HUE4043A Control Head Connector 2 of  2.....................................................7-19
Figure 7-18. HUD4025B/HUE4043A  Secure Interface Connector Schematic........................................7-20
Figure 7-19. HUD4022A/HUD4025B Frequency Generation Unit Overall Schematic (Sheet 1 of 2) ......7-21
Figure 7-20. HUD4022A/HUD4025B Frequency Generation Unit Overall Schematic (Sheet 2 of 2) ......7-22
Figure 7-21. HUD4022A/HUD4025B VHF Transmitter VCO Schematic .................................................7-23
Figure 7-22. HUD4022A/HUD4025B Frequency Generation Unit VHF Receive Injection Schematic.....7-24
Figure 7-23. HUD4022A/HUD4025B Frequency Generation Unit VHF Transmit Injection Schematic....7-25
Figure 7-24. HUD4022A/HUD4025B Receiver Back-End Schematic......................................................7-26
Figure 7-25. HUD4022A/HUD4025B Receiver Front-End Schematic (Sheet 1 of 2) ..............................7-27
Figure 7-26. HUD4022A/HUD4025B Receiver Front-End Schematic (Sheet 2 of 2) ..............................7-28
Figure 7-27. HUD4022A/HUD4025B Receiver IF Schematic ..................................................................7-29
Figure 7-28. HUD4022A RF Power Amplifier (RF PA) Schematic (Sheet 1 of 2) ....................................7-30
Figure 7-29. HUD4022A RF Power Amplifier (RF PA) Schematic (Sheet 2 of 2) ....................................7-31
Figure 7-30. HUD4025B RF 100W Power Amplifier (RF PA) Schematic (Sheet 1 of 2) .........................7-32
Figure 7-31. HUD4025B RF 100W Power Amplifier (RF PA) Schematic (Sheet 2 of 2) .........................7-33 
						

							xviiiList of Figures
May 25, 20056881096C74-B
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 ......................................................................7-37
Figure 7-36. HUD4022A SB9600 Schematic...........................................................................................7-38
Figure 7-37. HUD4022A USB/RS232/SB9600 VIP Input/Output Schematic ...........................................7-39
Figure 7-38. HUD4022A Control-Head Connector Schematic ................................................................7-40
Figure 7-39. HUD4022A Interface Connector Schematic ........................................................................7-41
Figure 7-40. HUD4022A/HUD4025B Secure Interface Board Schematic ...............................................7-42
Figure 7-41. HUD4022A Main Board Layout—Side 1 Top ......................................................................7-43
Figure 7-42. HUD4022A Main Board Layout—Side 1 Bottom .................................................................7-44
Figure 7-43. HUD4022A Main Board Layout—Side 2 Top ......................................................................7-45
Figure 7-44. HUD4022A Main Board Layout—Side 2 Bottom .................................................................7-46
Figure 7-45. HUD4025B Main Board Layout—Side 1 Top ......................................................................7-56
Figure 7-46. HUD4025B Main Board Layout—Side 1 Bottom .................................................................7-57
Figure 7-47. HUD4025B Main Board Layout—Side 2 Top ......................................................................7-58
Figure 7-48. HUD4025B Main Board Layout—Side 2 Bottom .................................................................7-59
Figure 7-49. HUE4039A/HUE4043A Main Board Overall Block Diagram and Interconnections .............7-72
Figure 7-50. HUE4039A Controller Block Diagram and Interconnections (Sheet 1 of 2) ........................7-73
Figure 7-51. HUE4039A Controller Block Diagram and Interconnections (Sheet 2 of 2) ........................7-74
Figure 7-52. HUE4039A Controller Urchin IC, MUX, and AD5320 DAC Schematic ...............................7-75
Figure 7-53. HUE4039A Controller Audio Schematic ..............................................................................7-76
Figure 7-54. HUE4039A Controller Power Control Schematic ................................................................7-77
Figure 7-55. HUE4039A/HUE4043A Frequency Generation Unit ...........................................................7-78
Figure 7-56. HUE4039A/HUE4043A Receive VCO Schematic ...............................................................7-79
Figure 7-57. HUE4039A/HUE4043A Transmit VCO Schematic ..............................................................7-80
Figure 7-58. HUE4039A/HUE4043A Receiver Back-End Schematic ......................................................7-81
Figure 7-59. HUE4039A/HUE4043A Receiver Front-End Schematic .....................................................7-82
Figure 7-60. HUE4039A/HUE4043A Receiver Mixer Schematic .............................................................7-83
Figure 7-61. HUE4039A/HUE4043A Receiver Preselector Schematic ...................................................7-84
Figure 7-62. HUE4039A/HUE4043A Receiver IF Schematic ..................................................................7-85
Figure 7-63. HUE4039A RF Power Amplifier (RF PA) Schematic ...........................................................7-86
Figure 7-64. HUE4039A/HUE4043A Output Network (ON) Schematic ...................................................7-87
Figure 7-65. HUE4043A RF 100W Power Amplifier (RF PA) Schematic (Sheet 1 of 2) .........................7-88
Figure 7-66. HUE4043A  RF 100W Power Amplifier (RF PA) Schematic (Sheet 2 of 2) ........................7-89
Figure 7-67. HUE4039A Secure Block Diagram and Interconnections ...................................................7-90
Figure 7-68. HUE4039A Rear Accessory Connector Schematic.............................................................7-91
Figure 7-69. HUE4039A Power Supply Schematic .................................................................................7-92
Figure 7-70. HUE4039A USB/RS232/SB9600 Schematic ......................................................................7-93
Figure 7-71. HUE4039A SB9600 Schematic ...........................................................................................7-94
Figure 7-72. HUE4039A USB/RS232/SB9600 VIP Input/Output Schematic ...........................................7-95
Figure 7-73. HUE4039A Control-Head Connector Schematic .................................................................7-96
Figure 7-74. HUE4039A Secure Interface Connector Schematic............................................................7-97
Figure 7-75. HUE4039A/HUE4043A  Secure Interface Board Schematic...............................................7-98
Figure 7-76. HUE4039A Main Board Layout—Side 1 Top ......................................................................7-99
Figure 7-77. HUE4039A Main Board Layout—Side 1 Middle ................................................................7-100
Figure 7-78. HUE4039A Main Board Layout—Side 1 Bottom ...............................................................7-101
Figure 7-79. HUE4039A Main Board Layout—Side 2 Top ....................................................................7-102
Figure 7-80. HUE4039A Main Board Layout—Side 2 Middle ................................................................7-103
Figure 7-81. HUE4039A Main Board Layout—Side 2 Bottom ...............................................................7-104
Figure 7-82. HUE4043A Main Board Layout—Side 1 Top ....................................................................7-116
Figure 7-83. HUE4043A Main Board Layout—Side 1 Bottom ...............................................................7-117
Figure 7-84. HUE4043A Main Board Layout—Side 2 Top ....................................................................7-118
Figure 7-85. HUE4043A Main Board Layout—Side 2 Bottom ...............................................................7-119