Document Outline

• CP120/CP200 Detailed Service Manual
  • Product Safety and RF Exposure
  • Table of Contents
  • Chapter 1 Test Equipment, Service Aids, and Service Tools
    • 1.1 Test Equipment
    • 1.2 Service Aids
  • Chapter 2 DC Power Distribution
    • 2.1 DC Regulation and Distribution
  • Chapter 3 Controller Theory of Operation
    • 3.1 Controller
      • 3.1.1 Microprocessor Circuitry
      • 3.1.2 Audio Circuitry
  • Chapter 4 136-162 MHz VHF Theory Of Operation
    • 4.1 Introduction
    • 4.2 VHF Receiver
      • 4.2.1 Receiver Front-End
      • 4.2.2 Receiver Back-End
    • 4.3 VHF Transmitter
      • 4.3.1 Transmit Power Amplifier
      • 4.3.2 Antenna Switch
      • 4.3.3 Harmonic Filter
      • 4.3.4 Antenna Matching Network
      • 4.3.5 Power Control
    • 4.4 VHF Frequency Generation Circuitry
      • 4.4.1 Fractional-N Synthesizer
      • 4.4.2 Voltage Controlled Oscillator (VCO)
  • Chapter 5 146-174 MHz VHF Theory Of Operation
    • 5.1 Introduction
    • 5.2 VHF Receiver
      • 5.2.1 Receiver Front-End
      • 5.2.2 Receiver Back-End
    • 5.3 VHF Transmitter
      • 5.3.1 Transmit Power Amplifier
      • 5.3.2 Antenna Switch
      • 5.3.3 Harmonic Filter
      • 5.3.4 Antenna Matching Network
      • 5.3.5 Power Control
    • 5.4 VHF Frequency Generation Circuitry
      • 5.4.1 Fractional-N Synthesizer
      • 5.4.2 Voltage Controlled Oscillator (VCO)
  • Chapter 6 VHF Troubleshooting Tables
    • 6.1 Troubleshooting Table for Receiver
    • 6.2 Troubleshooting Table for Synthesizer
    • 6.3 Troubleshooting Table for Transmitter
    • 6.4 Troubleshooting Table for Board and IC Signals
  • Chapter 7 VHF Schematic Diagrams, Overlays, and Parts Lists
    • 7.1 Introduction
      • 7.1.1 Notes For All Schematics and Circuit Boards
      • 7.1.2 Six Layer Circuit Board
    • 7.2 Speaker and Microphone Schematic
      • 7.2.1 Speaker and Microphone Parts List
    • VHF (136-162 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486769Z02-A)
      • Figure 7-3. VHF (136-162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z02-A)
      • Figure 7-4. VHF (136-162 MHz) Receiver Front End Schematic Diagram (8486769Z02-A)
      • Figure 7-5. VHF (136-162 MHz) Receiver Back End Schematic Diagram (8486769Z02-A)
      • Figure 7-6. VHF (136-162 MHz) Synthesizer Schematic Diagram (8486769Z02-A)
      • Figure 7-7. VHF (136-162 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z02-A)
      • Figure 7-8. VHF (136-162 MHz) Transmitter and Power Control Schematic Diagram (8486769Z02-A)
      • Figure 7-9. VHF (136-162 MHz) Controller Interconnect Schematic Diagram (8486769Z02-A)
      • Figure 7-10. VHF (136-162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z02-A)
      • Figure 7-11. VHF (136-162 MHz) Audio Circuitry Schematic Diagram (8486769Z02-A)
      • Figure 7-12. VHF (136-162 MHz) DC Regulation Schematic Diagram (8486769Z02-A)
      • Figure 7-13. VHF (136-162 MHz) Board Top Side View (8486769Z02-A)
      • Figure 7-14. VHF (136-162 MHz) Board Bottom Side View (8486769Z02-A)
      • VHF (136-162 MHz) Radio Parts List (8486769Z02-A)
    • VHF 136-162 MHz Schematic Diagrams, Overlays, and Parts Lists (8486769Z04-C)
      • Figure 7-15. VHF (136-162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z04-C)
      • Figure 7-16. VHF (136-162 MHz) Receiver Front End Schematic Diagram (8486769Z04-C)
      • Figure 7-17. VHF (136-162 MHz) Receiver Back End Schematic Diagram (8486769Z04-C)
      • Figure 7-18. VHF (136-162 MHz) Synthesizer Schematic Diagram (8486769Z04-C)
      • Figure 7-19. VHF (136-162 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z04-C)
      • Figure 7-20. VHF (136-162 MHz) Transmitter and Power Control Schematic Diagram (8486769Z04-C)
      • Figure 7-21. VHF (136-162 MHz) Controller Interconnect Schematic Diagram (8486769Z04-C)
      • Figure 7-22. VHF (136-162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z04-C)
      • Figure 7-23. VHF (136-162 MHz) Audio Circuitry Schematic Diagram (8486769Z04-C)
      • Figure 7-24. VHF (136-162 MHz) DC Regulation Schematic Diagram (8486769Z04-C)
      • Figure 7-25. VHF (136-162 MHz) Board Component Side View (8486769Z04-C)
      • Figure 7-26. VHF (136-162 MHz) Board Solder Side View (8486769Z04-C)
      • VHF (136-162 MHz) Radio Parts List (8486769Z04-C)
    • VHF (146-174 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486342Z09-A)
      • Figure 7-27. VHF (146-174 MHz) Radio Circuit Block Interconnect Diagram (8486342Z09-A)
      • Figure 7-28. VHF (146-174 MHz) Receiver Front End Schematic Diagram (8486342Z09-A)
      • Figure 7-29. VHF (146-174 MHz) Receiver Back End Schematic Diagram (8486342Z09-A)
      • Figure 7-30. VHF (146-174 MHz) Synthesizer Schematic Diagram (8486342Z09-A)
      • Figure 7-31. VHF (146-174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486342Z09-A)
      • Figure 7-32. VHF (146-174 MHz) Transmitter and Power Control Schematic Diagram (8486342Z09-A)
      • Figure 7-33. VHF (146-174 MHz) Controller Interconnect Schematic Diagram (8486342Z09-A)
      • Figure 7-34. VHF (146-174 MHz) Microprocessor Circuitry Schematic Diagram (8486342Z09-A)
      • Figure 7-35. VHF (146-174 MHz) Audio Circuitry Schematic Diagram (8486342Z09-A)
      • Figure 7-36. VHF (146-174 MHz) DC Regulation Schematic Diagram (8486342Z09-A)
      • Figure 7-37. VHF (146-174 MHz) Board Component Side View (8486342Z09-A)
      • Figure 7-38. VHF (146-174 MHz) Board Solder Side View (8486342Z09-A)
      • VHF (146-174 MHz) Radio Parts List (8486342Z09-A)
    • VHF (146-174 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486342Z13-C)
      • Figure 7-39. VHF (146-174 MHz) Radio Circuit Block Interconnect Diagram (8486342Z13-C)
      • Figure 7-40. VHF (146-174 MHz) Receiver Front End Schematic Diagram (8486342Z13-C)
      • Figure 7-41. VHF (146-174 MHz) Receiver Back End Schematic Diagram (8486342Z13-C)
      • Figure 7-42. VHF (146-174 MHz) Synthesizer Schematic Diagram (8486342Z13-C)
      • Figure 7-43. VHF (146-174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486342Z13-C)
      • Figure 7-44. VHF (146-174 MHz) Transmitter and Power Control Schematic Diagram (8486342Z13-C)
      • Figure 7-45. VHF (146-174 MHz) Controller Interconnect Schematic Diagram (8486342Z13-C)
      • Figure 7-46. VHF (146-174 MHz) Microprocessor Circuitry Schematic Diagram (8486342Z13-C)
      • Figure 7-47. VHF (146-174 MHz) Audio Circuitry Schematic Diagram (8486342Z13-C)
      • Figure 7-48. VHF (146-174 MHz) DC Regulation Schematic Diagram (8486342Z13-C)
      • Figure 7-49. VHF (146-174 MHz) Board Component Side View (8486342Z13-C)
      • Figure 7-50. VHF (146-174 MHz) Board Solder Side View (8486342Z13-C)
      • VHF (146-174 MHz) Radio Parts List (8486342Z13-C)
    • VHF 146-174 MHz Schematic Diagrams, Overlays, and Parts Lists (8486769Z04-C)
      • Figure 7-52. VHF (146-174 MHz) Radio Circuit Block Interconnect Diagram (8486769Z04-C)
      • Figure 7-53. VHF (146-174 MHz) Receiver Front End Schematic Diagram (8486769Z04-C)
      • Figure 7-54. VHF (146-174 MHz) Receiver Back End Schematic Diagram (8486769Z04-C)
      • Figure 7-55. VHF (146-174 MHz) Synthesizer Schematic Diagram (8486769Z04-C)
      • Figure 7-56. VHF (146-174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z04-C)
      • Figure 7-57. VHF (146-174 MHz) Transmitter and Power Control Schematic Diagram (8486769Z04-C)
      • Figure 7-58. VHF (146-174 MHz) Controller Interconnect Schematic Diagram (8486769Z04-C)
      • Figure 7-59. VHF (146-174 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z04-C)
      • Figure 7-60. VHF (146-174 MHz) Audio Circuitry Schematic Diagram (8486769Z04-C)
      • Figure 7-61. VHF (146-174 MHz) DC Regulation Schematic Diagram (8486769Z04-C)
      • Figure 7-62. VHF (146-174 MHz) Board Component Side View (8486769Z04-C)
      • Figure 7-63. VHF (146-174 MHz) Board Solder Side View (8486769Z04-C)
      • VHF (146-174 MHz) Radio Parts List (8486769Z04-C)
  • Chapter 8 403-440 MHz UHF Theory Of Operation
    • 8.2.1 Receiver Front End
    • 8.2.2 Receiver Back End
    • 8.3.1 Transmitter Power Amplifier
    • 8.3.2 Antenna Switch
    • 8.3.3 Harmonic Filter
    • 8.3.4 Antenna Matching Network
    • 8.3.5 Power Control
    • 8.4.1 Fractional-N Synthesizer
    • 8.4.2 Voltage Controlled Oscillator (VCO)
  • Chapter 9 438-470 MHz UHF Theory Of Operation
    • 9.2.1 Receiver Front End
    • 9.2.2 Receiver Back End
    • 9.3.1 Transmitter Power Amplifier
    • 9.3.2 Antenna Switch
    • 9.3.3 Harmonic Filter
    • 9.3.4 Antenna Matching Network
    • 9.3.5 Power Control
    • 9.4.1 Fractional-N Synthesizer
    • 9.4.2 Voltage Controlled Oscillator (VCO)
  • Chapter 10 465-495 MHz UHF Theory Of Operation
    • 10.2.1 Receiver Front End
    • 10.2.2 Receiver Back End
    • 10.3.1 Transmitter Power Amplifier
    • 10.3.2 Antenna Switch
    • 10.3.3 Harmonic Filter
    • 10.3.4 Antenna Matching Network
    • 10.3.5 Power Control
    • 10.4.1 Fractional-N Synthesizer
    • 10.4.2 Voltage Controlled Oscillator (VCO)
  • Chapter 11 UHF Troubleshooting Tables
    • 11.1 Troubleshooting Table for Receiver
    • 11.2 Troubleshooting Table for Synthesizer
    • 11.3 Troubleshooting Table for Transmitter
    • 11.4 Troubleshooting Table for Board and IC Signals
  • Chapter 12 UHF Schematic Diagrams, Overlays, and Parts Lists
    • 12.1 Introduction
      • 12.1.1 Notes For All Schematics and Circuit Boards
      • 12.1.2 Six Layer Circuit Board
      • 12.2.1 Speaker and Microphone Parts List
    • 12.2 Speaker and Microphone Schematic
      • 12.2.1 Speaker and Microphone Parts List
    • UHF (403-440 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486635Z03-O)
      • Figure 12-3. UHF (403-440 MHz) Radio Circuit Block Diagram (8486635Z03-O)
      • Figure 12-4. UHF (403-440 MHz) Receiver Front End Schematic Diagram (8486635Z03-O)
      • Figure 12-5. UHF (403-440 MHz) Receiver Back End Schematic Diagram (8486635Z03-O)
      • Figure 12-6. UHF (403-440 MHz) Synthesizer Schematic Diagram (8486635Z03-O)
      • Figure 12-7. UHF (403-440 MHz) Voltage Controlled Oscillator Schematic Diagram (8486635Z03-O)
      • Figure 12-8. UHF (403-440 MHz) Transmitter and Power Control Schematic Diagram (8486635Z03-O)
      • Figure 12-9. UHF (403-440 MHz) Controller Interconnect Schematic Diagram (8486635Z03-O)
      • Figure 12-10. UHF (403-440 MHz) Microprocessor Circuitry Schematic Diagram (8486635Z03-O)
      • Figure 12-11. UHF (403-440MHz) Audio Circuitry Schematic Diagram (8486635Z03-O)
      • Figure 12-12. UHF (403-440 MHz) DC Regulation Schematic Diagram (8486635Z03-O)
      • Figure 12-13. UHF (403-440 MHz) Board Component Side View (8486635Z03-O)
      • Figure 12-14. UHF (403-440 MHz) Board Solder Side View (8486635Z03-O)
      • UHF (403-440 MHz) Radio Parts List (8486635Z03-O)
    • UHF (438-470 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486348Z09-A)
      • Figure 12-15. UHF (438-470 MHz) Radio Circuit Block Diagram (8486348Z09-A)
      • Figure 12-16. UHF (438-470 MHz) Receiver Front End Schematic Diagram (8486348Z09-A)
      • Figure 12-17. UHF (438-470 MHz) Receiver Back End Schematic Diagram (8486348Z09-A)
      • Figure 12-18. UHF (438-470 MHz) Synthesizer Schematic Diagram (8486348Z09-A)
      • Figure 12-19. UHF (438-470 MHz) Voltage Controlled Oscillator Schematic Diagram (8486348Z09-A)
      • Figure 12-20. UHF (438-470 MHz) Transmitter and Power Control Schematic Diagram (8486348Z09-A)
      • Figure 12-21. UHF (438-470 MHz) Controller Interconnect Schematic Diagram (8486348Z09-A)
      • Figure 12-22. UHF (438-470 MHz) Microprocessor Circuitry Schematic Diagram (8486348Z09-A)
      • Figure 12-23. UHF (438-470 MHz) Audio Circuitry Schematic Diagram (8486348Z09-A)
      • Figure 12-24. UHF (438-470 MHz) DC Regulation Schematic Diagram (8486348Z09-A)
      • Figure 12-25. UHF (438-470 MHz) Board Component Side View (8486348Z09-A)
      • Figure 12-26. UHF (438-470 MHz) Board Solder Side View (8486348Z09-A)
      • UHF (438-470 MHz) Radio Parts List (8486348Z09-A)
    • UHF (438-470 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486348Z13-C)
      • Figure 12-27. UHF (438-470 MHz) Radio Circuit Block Diagram (8486348Z13-C)
      • Figure 12-28. UHF (438-470 MHz) Receiver Front End Schematic Diagram (8486348Z13-C)
      • Figure 12-29. UHF (438-470 MHz) Receiver Back End Schematic Diagram (8486348Z13-C)
      • Figure 12-30. UHF (438-470 MHz) Synthesizer Schematic Diagram (8486348Z13-C)
      • Figure 12-31. UHF (438-470 MHz) Voltage Controlled Oscillator Schematic Diagram (8486348Z13-C)
      • Figure 12-32. UHF (438-470 MHz) Transmitter and Power Control Schematic Diagram (8486348Z13-C)
      • Figure 12-33. UHF (438-470 MHz) Controller Interconnect Schematic Diagram (8486348Z13-C)
      • Figure 12-34. UHF (438-470 MHz) Microprocessor Circuitry Schematic Diagram (8486348Z13-C)
      • Figure 12-35. UHF (438-470 MHz) Audio Circuitry Schematic Diagram (8486348Z13-C)
      • Figure 12-36. UHF (438-470 MHz) DC Regulation Schematic Diagram (8486348Z13-C)
      • Figure 12-37. UHF (438-470 MHz) Board Component Side View (8486348Z13-C)
      • Figure 12-38. UHF (438-470 MHz) Board Solder Side View (8486348Z13-C)
      • UHF (438-470 MHz) Radio Parts List (8486348Z13-C)
    • UHF (465-495 MHz) Schematic Diagrams, Overlays, and Parts Lists (8486634Z02-O)
      • Figure 12-39. UHF (465-495 MHz) Radio Circuit Block Diagram (8486634Z02-O)
      • Figure 12-40. UHF (465-495 MHz) Receiver Front End Schematic Diagram (8486634Z02-O)
      • Figure 12-41. UHF (465-495 MHz) Receiver Back End Schematic Diagram (8486634Z02-O)
      • Figure 12-42. UHF (465-495 MHz) Synthesizer Schematic Diagram (8486634Z02-O)
      • Figure 12-43. UHF (465-495 MHz) Voltage Controlled Oscillator Schematic Diagram (8486634Z02-O)
      • Figure 12-44. UHF (465-495 MHz) Transmitter and Power Control Schematic Diagram (8486634Z02-O)
      • Figure 12-45. UHF (465-495 MHz) Controller Interconnect Schematic Diagram (8486634Z02-O)
      • Figure 12-46. UHF (465-495 MHz) Microprocessor Circuitry Schematic Diagram (8486634Z02-O)
      • Figure 12-47. UHF (465-495 MHz) Audio Circuitry Schematic Diagram (8486634Z02-O)
      • Figure 12-48. UHF (465-495 MHz) DC Regulation Schematic Diagram (8486634Z02-O)
      • Figure 12-49. UHF (465-495 MHz) Board Component Side View (8486634Z02-O)
      • Figure 12-50. UHF (465-495 MHz) Board Solder Side View (8486634Z02-O)
      • UHF (465-495 MHz) Radio Parts List (8486634Z02-O)