Motorola EP450 Service Manual page 14

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Figure 13-2. Speaker and Microphone Schematic.............................................................................. 13-3
Figure 13-3. UHF (403-440 MHz) 8486635Z03-O Radio Circuit Block Diagram ................................ 13-5
Figure 13-4. UHF (403-440 MHz) 8486635Z03-O Receiver Front End Schematic Diagram.............. 13-6
Figure 13-5. UHF (403-440 MHz) 8486635Z03-O Receiver Back End Schematic Diagram .............. 13-7
Figure 13-6. UHF (403-440 MHz) 8486635Z03-O Synthesizer Schematic Diagram.......................... 13-8
Figure 13-7. UHF (403-440 MHz) 8486635Z03-O Voltage Controlled Oscillator Schematic Diagram13-9
Figure 13-8. UHF (403-440 MHz) 8486635Z03-O Transmitter and Power Control Schematic
Diagram ........................................................................................................................ 13-10
Figure 13-9. UHF (403-440 MHz) 8486635Z03-O Controller Interconnect Schematic Diagram ...... 13-11
Figure 13-10. UHF (403-440 MHz) 8486635Z03-O Microprocessor Circuitry Schematic Diagram.... 13-12
Figure 13-11. UHF (403-440MHz) 8486635Z03-O Audio Circuitry Schematic Diagram .................... 13-13
Figure 13-12. UHF (403-440 MHz) 8486635Z03-O DC Regulation Schematic Diagram ................... 13-14
Figure 13-13. UHF (403-440 MHz) Keypad Board Schematic Diagram (8466565A03-B).................. 13-15
Figure 13-14. UHF (403-440 MHz) 8486635Z03-O Board Component Side View............................. 13-16
Figure 13-15. UHF (403-440 MHz) 8486635Z03-O Board Solder Side View ..................................... 13-17
Figure 13-16. UHF (403-440 MHz) (8466565A03-B) Keypad Board .................................................. 13-18
Figure 13-17. UHF (438-470 MHz) 8486348Z13-C Radio Circuit Block Diagram .............................. 13-23
Figure 13-18. UHF (438-470 MHz) 8486348Z13-C Receiver Front End Schematic Diagram............ 13-24
Figure 13-19. UHF (438-470 MHz) 8486348Z13-C Receiver Back End Schematic Diagram ............ 13-25
Figure 13-20. UHF (438-470 MHz) 8486348Z13-C Synthesizer Schematic Diagram ........................ 13-26
Figure 13-21. UHF (438-470 MHz) 8486348Z13-C Voltage Controlled Oscillator Schematic
Diagram ........................................................................................................................ 13-27
Figure 13-22. UHF (438-470 MHz) 8486348Z13-C Transmitter and Power Control Schematic
Diagram ........................................................................................................................ 13-28
Figure 13-23. UHF (438-470 MHz) 8486348Z13-C Controller Interconnect Schematic Diagram ...... 13-29
Figure 13-24. UHF (438-470 MHz) 8486348Z13-C Microprocessor Circuitry Schematic Diagram ... 13-30
Figure 13-25. UHF (438-470 MHz) 8486348Z13-C Audio Circuitry Schematic Diagram ................... 13-31
Figure 13-26. UHF (438-470 MHz) 8486348Z13-C DC Regulation Schematic Diagram ................... 13-32
Figure 13-27. UHF (438-470 MHz) Keypad Option Schematic Diagram (8466565A03-B)................. 13-33
Figure 13-28. UHF (438-470 MHz) 8486348Z13-C Board Component Side View ............................. 13-34
Figure 13-29. UHF (438-470 MHz) 8486348Z13-C Board Solder Side View ..................................... 13-35
Figure 13-30. UHF (438-470 MHz) Keypad Board (8466565A03-B) .................................................. 13-36
Figure 13-31. UHF (465-495 MHz) 8486634Z02-O Radio Circuit Block Diagram .............................. 13-41
Figure 13-32. UHF (465-495 MHz) 8486634Z02-O Receiver Front End Schematic Diagram............ 13-42
Figure 13-33. UHF (465-495 MHz) 8486634Z02-O Receiver Back End Schematic Diagram ............ 13-43
Figure 13-34. UHF (465-495 MHz) 8486634Z02-O Synthesizer Schematic Diagram........................ 13-44
Figure 13-35. UHF (465-495 MHz) 8486634Z02-O Voltage Controlled Oscillator Schematic
Diagram ........................................................................................................................ 13-45
Figure 13-36. UHF (465-495 MHz) 8486634Z02-O Transmitter and Power Control Schematic
Diagram ........................................................................................................................ 13-46
Figure 13-37. UHF (465-495 MHz) 8486634Z02-O Controller Interconnect Schematic Diagram ...... 13-47
Figure 13-38. UHF (465-495 MHz) 8486634Z02-O Microprocessor Circuitry Schematic Diagram.... 13-48
Figure 13-39. UHF (465-495 MHz) 8486634Z02-O Audio Circuitry Schematic Diagram ................... 13-49
Figure 13-40. UHF (465-495 MHz) 8486634Z02-O DC Regulation Schematic Diagram ................... 13-50
Figure 13-41. UHF (465-495 MHz) Keypad Board Schematic Diagram (8466565A03-B).................. 13-51
Figure 13-42. UHF (465-495 MHz) 8486634Z02-O Board Component Side View............................. 13-52
Figure 13-43. UHF (465-495 MHz) 8486634Z02-O Board Solder Side View ..................................... 13-53
Figure 13-44. UHF (465-495 MHz) (8466565A03-B) Keypad Board .................................................. 13-54
Figure 13-45. UHF (490-527 MHz) 8486768Z02-A Radio Circuit Block Diagram .............................. 13-59
Figure 13-46. UHF (490-527 MHz) 8486768Z02-A Receiver Front End Schematic Diagram ............ 13-60
Figure 13-47. UHF (490-527 MHz) 8486768Z02-A Receiver Back End Schematic Diagram ........... 13-61
Figure 13-48. UHF (490-527 MHz) 8486768Z02-A Synthesizer Schematic Diagram ....................... 13-62
Figure 13-49. UHF (490-527 MHz) 8486768Z02-A Voltage Controlled Oscillator Schematic
Diagram ........................................................................................................................ 13-63
June, 2005
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