Motorola ASTRO XTS 5000 Detailed Service Manual page 10

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Figure 8-26. NLD8910B VHF Transmitter and Automatic Level Control Circuits ................................... 8-38
Figure 8-27. NLD8910B VHF Frequency Generation Unit (Synthesizer) Circuit..................................... 8-39
Figure 8-28. NLD8910B VHF Frequency Generation Unit (VCO) Circuit................................................ 8-40
Figure 8-29. NLD8910B VHF Transceiver (RF) Board Layout—Side 1 .................................................. 8-41
Figure 8-30. NLD8910B VHF Transceiver (RF) Board Layout—Side 2 .................................................. 8-42
Figure 8-31. NLE4272A UHF Range 1 Transceiver (RF) Board Overall Circuit Schematic.................... 8-48
Figure 8-32. NLE4272A UHF Range 1 Antenna Switch and Harmonic Filter Circuits ............................ 8-49
Figure 8-33. NLE4272A UHF Range 1 Receiver Front End (RX_FE) Circuit.......................................... 8-50
Figure 8-34. NLE4272A UHF Range 1 Receiver Back End (RX_BE) Circuit.......................................... 8-51
Figure 8-35. NLE4272A UHF Range 1 Transmitter Power Amplifier and Automatic Level Control (TX_ALC)
Circuit .................................................................................................................................. 8-52
Figure 8-36. NLE4272A UHF Range 1 Frequency Generation Unit (Synthesizer) Circuit ...................... 8-53
Figure 8-37. NLE4272A UHF Range 1 Frequency Generation Unit (VCO) Circuit ................................ 8-54
Figure 8-38. NLE4272A UHF Range 1 Transceiver (RF) Board Layout—Side 1.................................... 8-55
Figure 8-39. NLE4272A UHF Range 1 Transceiver (RF) Board Layout—Side 2.................................... 8-56
Figure 8-40. NLE4278A UHF Range 1 Transceiver (RF) Board Overall Circuit Schematic.................... 8-64
Figure 8-41. NLE4278A UHF Range 1 Antenna Switch and Harmonic Filter Circuits ............................ 8-65
Figure 8-42. NLE4278A UHF Range 1 Receiver Front End Circuit......................................................... 8-66
Figure 8-43. NLE4278A UHF Range 1 Receiver Back End Circuit ......................................................... 8-67
Figure 8-44. NLE4278A UHF Range 1 Transmitter Power Amplifier and Automatic Level Control
Circuit .................................................................................................................................. 8-68
Figure 8-45. NLE4278A UHF Range 1 Frequency Unit (Synthesizer) Circuit ......................................... 8-69
Figure 8-46. NLE4278A UHF Range 1 Frequency Generation Unit (VCO) Circuit ................................. 8-70
Figure 8-47. NLE4278A UHF Range 1 Transceiver (RF) Board Layout—Side 1.................................... 8-71
Figure 8-48. NLE4278A UHF Range 1 Transceiver (RF) Board Layout—Side 2.................................... 8-72
Figure 8-49. NTN9564B VOCON Board Overall Schematic—1 of 2....................................................... 8-79
Figure 8-50. NTN9564B VOCON Board Overall Schematic—2 of 2....................................................... 8-80
Figure 8-51. NTN9564B VOCON Universal Connector Circuit ............................................................... 8-81
Figure 8-52. NTN9564B VOCON Flipper Circuit ..................................................................................... 8-82
Figure 8-53. NTN9564B VOCON Controller and Memory Circuits—1 of 2 ............................................. 8-83
Figure 8-54. NTN9564B VOCON Controller and Memory Circuits—2 of 2 ............................................. 8-84
Figure 8-55. NTN9564B VOCON Audio and DC Circuits........................................................................ 8-85
Figure 8-56. NTN9564B VOCON Board Layout—Side 1 ........................................................................ 8-86
Figure 8-57. NTN9564B VOCON Board Layout—Side 2 ........................................................................ 8-87
Figure 8-58. NTN9564C VOCON Board Overall Schematic—1 of 2....................................................... 8-93
Figure 8-59. NTN9564C VOCON Board Overall Schematic—2 of 2....................................................... 8-94
Figure 8-60. NTN9564C VOCON Universal Connector Circuit ............................................................... 8-95
Figure 8-61. NTN9564C VOCON Flipper Circuit..................................................................................... 8-96
Figure 8-62. NTN9564C VOCON Controller and Memory Circuits—1 of 2............................................. 8-97
Figure 8-63. NTN9564C VOCON Controller and Memory Circuits—2 of 2............................................. 8-98
Figure 8-64. NTN9564C VOCON Audio and DC Circuits........................................................................ 8-99
Figure 8-65. NTN9564C VOCON Board Layout—Side 1...................................................................... 8-100
Figure 8-66. NTN9564C VOCON Board Layout—Side 2...................................................................... 8-101
Figure 8-67. NNTN4563A/B VOCON Board Overall Schematic—1 of 2............................................... 8-107
Figure 8-68. NNTN4563A/B VOCON Board Overall Schematic—2 of 2............................................... 8-108
Figure 8-69. NNTN4563A/B VOCON Universal Connector Circuit ....................................................... 8-109
Figure 8-70. NNTN4563A/B VOCON Flipper Circuit ............................................................................. 8-110
Figure 8-71. NNTN4563A/B VOCON Controller and Memory Circuits—1 of 2 ..................................... 8-111
Figure 8-72. NNTN4563A/B VOCON Controller and Memory Circuits—2 of 2 ..................................... 8-112
Figure 8-73. NNTN4563A/B VOCON Audio and DC Circuits................................................................ 8-113
Figure 8-74. NNTN4563A/B VOCON Board Layout—Side 1 ................................................................ 8-114
Figure 8-75. NNTN4563A/B VOCON Board Layout—Side 2 ................................................................ 8-115
Figure 8-76. NNTN4819A VOCON Board Overall Schematic—Sheet 1 of 2........................................ 8-122
Figure 8-77. NNTN4819A VOCON Board Overall Schematic—Sheet 2 of 2........................................ 8-123
October 14, 2003
List of Figures
6881094C31-C