Motorola Astro Xts5000 Detailed 6881094c31 E Manual

							
ASTRO
®   
XTS
™
 5000
 
     VHF
     UHF Range 1
     UHF Range 2
     700 — 800 MHz
Digital Portable Radios
Detailed Service Manual
  
						

							Title PageASTRO® XTS™ 5000
VHF/UHF Range 1/Range 2/700–800 MHz
Digital Portable Radios
Detailed Service Manual
Motorola, Inc.
8000 West Sunrise Boulevard
Fort Lauderdale, Florida 33322
6881094C31-E 
						

							Foreword
The information contained in this manual relates to all ASTRO® XTS™ 5000 digital portable radios, unless otherwise 
specified. This manual provides sufficient information to enable qualified service shop technicians to troubleshoot and 
repair an ASTRO XTS 5000 digital portable radio to the component level.
For details on the operation of the radio or level 1 or 2 maintenance procedures, refer to the applicable manuals, which are 
available separately. A list of related publications is provided in the section, “Related Publications,” on page xii.
Product Safety and RF Exposure Compliance
ATTENTION!
This radio is restricted to occupational use only to satisfy FCC RF energy exposure requirements. 
Before using this product, read the RF energy awareness information and operating instructions in the 
Product Safety and RF Exposure booklet enclosed with your radio (Motorola Publication part number 
6881095C98) to ensure compliance with RF energy exposure limits.
For a list of Motorola-approved antennas, batteries, and other accessories, visit the following web site 
which lists approved accessories: 
Manual Revisions
Changes which occur after this manual is printed are described in FMRs (Florida Manual Revisions). These FMRs provide 
complete replacement pages for all added, changed, and deleted items, including pertinent parts list data, schematics, and 
component layout diagrams. To obtain FMRs, contact the Customer Care and Services Division (refer to “Appendix A 
Replacement Parts Ordering”).
Computer Software Copyrights
The Motorola products described in this manual may include copyrighted Motorola computer programs stored in 
semiconductor memories or other media. Laws in the United States and other countries preserve for Motorola certain 
exclusive rights for copyrighted computer programs, including, but not limited to, the exclusive right to copy or reproduce in 
any form the copyrighted computer program. Accordingly, any copyrighted Motorola computer programs contained in the 
Motorola products described in this manual may not be copied, reproduced, modified, reverse-engineered, or distributed in 
any manner without the express written permission of Motorola. Furthermore, the purchase of Motorola products shall not 
be deemed to grant either directly or by implication, estoppel, or otherwise, any license under the copyrights, patents or 
patent applications of Motorola, except for the normal non-exclusive license to use that arises by operation of law in the 
sale of a product.
Document Copyrights
No duplication or distribution of this document or any portion thereof shall take place without the express written permission 
of Motorola. No part of this manual may be reproduced, distributed, or transmitted in any form or by any means, electronic 
or mechanical, for any purpose without the express written permission of Motorola.
Disclaimer
The information in this document is carefully examined, and is believed to be entirely reliable. However, no responsibility is 
assumed for inaccuracies. Furthermore, Motorola reserves the right to make changes to any products herein to improve 
readability, function, or design. Motorola does not assume any liability arising out of the applications or use of any product 
or circuit described herein; nor does it cover any license under its patent rights nor the rights of others.
Trademarks
MOTOROLA, the Stylized M logo, and ASTRO are registered in the US Patent & Trademark Office. All other product or 
service names are the property of their respective owners.
© Motorola, Inc. 2006.
Before using this product, read the operating instructions 
for safe usage contained in the Product Safety and RF 
Exposure booklet enclosed with your radio.
!
C a u t i o n 
						

							Table of Contentsiii
6881094C31-ENovember 16, 2006
Table of Contents
Foreword .........................................................................................................ii
Product Safety and RF Exposure Compliance .......................................................................................... i-ii
Manual Revisions ...................................................................................................................................... i-ii
Computer Software Copyrights ................................................................................................................. i-ii
Document Copyrights ................................................................................................................................ i-ii
Disclaimer .................................................................................................................................................. i-ii
Trademarks ............................................................................................................................................... i-ii
List of Figures ..............................................................................................vii
List of Tables .................................................................................................xi
Commercial Warranty .................................................................................xiii
Limited Warranty ...................................................................................................................................... xiii
Model Numbering, Charts, and Specifications ........................................xvii
Portable Radio Model Numbering System .............................................................................................. xvii
ASTRO XTS 5000 VHF Model Chart ..................................................................................................... xviii
ASTRO XTS 5000 R (Ruggedized) VHF Model Chart ............................................................................. xix
ASTRO XTS 5000 UHF Range 1 Model Chart..........................................................................................xx
ASTRO XTS 5000 R (Ruggedized) UHF Range 1 Model Chart .............................................................. xxi
ASTRO XTS 5000 UHF Range 2 Model Chart........................................................................................ xxii
ASTRO XTS 5000 R (Ruggedized) UHF Range 2 Model Chart ............................................................ xxiii
ASTRO XTS 5000 700–800 MHz Model Chart ...................................................................................... xxiv
ASTRO XTS 5000 R (Ruggedized) 700–800 MHz Model Chart ............................................................. xxv
Specifications for VHF Radios ................................................................................................................ xxvi
Specifications for UHF Range 1 Radios ................................................................................................ xxvii
Specifications for UHF Range 2 Radios ................................................................................................xxviii
Specifications for 700–800 MHz Radios................................................................................................. xxix
Chapter 1 Introduction ......................................................................... 1-1
1.1 General .......................................................................................................................................... 1-1
1.2 Notations Used in This Manual ...................................................................................................... 1-2
Chapter 2 Radio Power ........................................................................ 2-1
2.1 General .......................................................................................................................................... 2-1
2.2 DC Power Routing—Transceiver Board ........................................................................................ 2-4
2.3 DC Power Routing—VOCON Board.............................................................................................. 2-4 
						

							ivTable of Contents
November 16, 20066881094C31-E
Chapter 3 Theory of Operation ............................................................ 3-1
3.1 Transceiver Board.......................................................................................................................... 3-2
3.2 VOCON Board ............................................................................................................................. 3-16
3.3 Encryption Module ....................................................................................................................... 3-42
Chapter 4 Troubleshooting Procedures ............................................. 4-1
4.1 Handling Precautions ..................................................................................................................... 4-1
4.2 Recommended Service Tools ........................................................................................................ 4-2
4.3 Voltage Measurement and Signal Tracing ..................................................................................... 4-3
4.4 Standard Bias Table ...................................................................................................................... 4-4
4.5 Power-Up Self-Check Errors.......................................................................................................... 4-5
4.6 Power-Up Self-Check Diagnostics and Repair (Not for Field Use) ................................................ 4-6
Chapter 5 Troubleshooting Charts ..................................................... 5-1
5.1 List of Troubleshooting Charts ....................................................................................................... 5-1
5.2 Main Troubleshooting Flowchart .................................................................................................... 5-2
5.3 Power-Up Failure ........................................................................................................................... 5-3
5.4 DC Supply Failure .......................................................................................................................... 5-7
5.5 Display Failure (NNTN4563, NNTN4819, NNTN4717 & NNTN5567 VOCON Kits) .................... 5-13
5.6 Display Failure (NTN9564) .......................................................................................................... 5-16
5.7 Volume Set Error ......................................................................................................................... 5-19
5.8 Channel/Zone Select Error .......................................................................................................... 5-20
5.9 Button Test................................................................................................................................... 5-21
5.10 Top/Side Button Test ................................................................................................................... 5-22
5.11 VCO TX/RX Unlock...................................................................................................................... 5-23
5.12 VOCON RX Audio........................................................................................................................ 5-28
5.13 VOCON RX Audio (for kit NNTN5567) ........................................................................................ 5-29
5.14 RX RF .......................................................................................................................................... 5-31
5.15 TX RF (VHF and UHF Range 2) .................................................................................................. 5-36
5.16 TX RF (UHF R1/700-800 MHz).................................................................................................... 5-39
5.17 Keyload Failure ............................................................................................................................ 5-42
5.18 Secure Hardware Failure ............................................................................................................. 5-43
Chapter 6 Troubleshooting Waveforms ............................................. 6-1
6.1 List of Waveforms .......................................................................................................................... 6-1
6.2 13 MHz Clock................................................................................................................................. 6-2
6.3 16.8 MHz Buffer Input and Output ................................................................................................. 6-3
6.4 32.768 kHz Clock Outputs ............................................................................................................. 6-4
6.5 SPI B Data ..................................................................................................................................... 6-5
6.6 Receive Serial Audio Port (SAP) ................................................................................................... 6-6
6.7 Receive Baseband Interface Port (RX BBP).................................................................................. 6-7
6.8 Transmit Baseband Interface Port (TX BBP) ................................................................................. 6-8
Chapter 7 Troubleshooting Tables ..................................................... 7-1
7.1 List of Board and IC Signals .......................................................................................................... 7-1 
						

							Table of Contentsv
6881094C31-ENovember 16, 2006
Chapter 8 Schematics, Board Overlays, and Parts Lists .................. 8-1
8.1 List of Transceiver Schematics and Board Overlays ..................................................................... 8-1
8.2 List of VOCON Schematics and Board Overlays........................................................................... 8-1
8.3 Transceiver (RF) Boards ............................................................................................................... 8-3
8.4 VOCON Boards ........................................................................................................................... 8-95
Appendix A Replacement Parts Ordering.............................................. A-1
A.1 Basic Ordering Information ............................................................................................................ A-1
A.2 Transceiver Board and VOCON Board Ordering Information........................................................ A-1
A.3 Motorola Online ............................................................................................................................. A-1
A.4 Telephone Orders .......................................................................................................................... A-1
A.5 Fax Orders ..................................................................................................................................... A-1
A.6 Parts Identification ......................................................................................................................... A-2
A.7 Product Customer Service ............................................................................................................. A-2
Glossary ......................................................................................... Glossary-1
Index ..................................................................................................... Index-1 
						

							viTable of Contents
November 16, 20066881094C31-E
Notes 
						

							List of Figuresvii
6881094C31-ENovember 16, 2006
List of Figures
Figure 2-1. DC Power Distribution—UHF Range 1 and 700–800 MHz Radios ...................................... 2-2
Figure 2-2. DC Power Distribution—VHF and Range 2 Radios.............................................................. 2-2
Figure 2-3. DC Power Distribution—UHF Range 1 and 700–800 MHz Radios (for NNTN5567) ............ 2-3
Figure 2-4. DC Power Distribution—VHF and Range 2 Radios (for NNTN5567) ................................... 2-3
Figure 3-1. XTS 5000 Overall Block Diagram ......................................................................................... 3-2
Figure 3-2. Transceiver (VHF) Block Diagram (Power and Control Omitted) ......................................... 3-2
Figure 3-3. Transceiver (UHF Range 1, UHF Range 2 and 700–800 MHz) Block Diagram 
(Power and Control Omitted) ................................................................................................ 3-3
Figure 3-4. Receiver Block Diagram ....................................................................................................... 3-5
Figure 3-5. Abacus III (AD9874) Functional Block Diagram (from data sheet) ....................................... 3-7
Figure 3-6. Transmitter Block Diagram ................................................................................................... 3-9
Figure 3-7. VOCON Board Interconnections .........................................................................................3-16
Figure 3-8. VOCON Board Interconnections (only for NNTN5567)....................................................... 3-17
Figure 3-9. Patriot EIM and Memory Block Diagram ............................................................................. 3-23
Figure 3-10. Universal (Side) Connector ................................................................................................. 3-34
Figure 3-11. VOCON Board Connector—J101 ....................................................................................... 3-34
Figure 3-12. Control Top Flex .................................................................................................................. 3-37
Figure 3-13. VOCON Transmit Audio Path ............................................................................................. 3-38
Figure 3-14. VOCON Transmit Audio Path ............................................................................................. 3-39
Figure 3-15. VOCON Receive Audio Path .............................................................................................. 3-40
Figure 3-16. VOCON Receive Audio Path (for kit NNTN5567) ............................................................... 3-41
Figure 6-1. 13 MHz Clock Waveform ...................................................................................................... 6-2
Figure 6-2. 16.8 MHz Buffer Input and Output Waveforms ..................................................................... 6-3
Figure 6-3. 32.768 kHz Clock Outputs Waveforms ................................................................................. 6-4
Figure 6-4. SPI B Data Waveforms ......................................................................................................... 6-5
Figure 6-5. Receive Serial Audio Port (SAP) Waveforms ....................................................................... 6-6
Figure 6-6. Receive Baseband Interface Port (RX BBP) Waveforms ..................................................... 6-7
Figure 6-7. Transmit Baseband Interface Port (TX BBP) Waveforms ..................................................... 6-8
Figure 8-1. NUF3577 700–800 MHz Transceiver (RF) Board Overall Circuit Schematic ....................... 8-3
Figure 8-2. NUF3577 700–800 MHz Antenna Switch and Harmonic Filter Circuits ................................ 8-4
Figure 8-3. NUF3577 700–800 MHz Receiver Front End Circuit ............................................................ 8-5
Figure 8-4. NUF3577 700–800 MHz Receiver Back End Circuit ............................................................ 8-6
Figure 8-5. NUF3577 700–800 MHz Transmitter and Automatic Level Control Circuits ......................... 8-7
Figure 8-6. NUF3577 700–800 MHz Frequency Generation Unit (Synthesizer) Circuit—1 of 2 ............. 8-8
Figure 8-7. NUF3577 700–800 MHz Frequency Generation Unit (VCO) Circuit—2 of 2 ........................ 8-9
Figure 8-8. NUF3577 700–800 MHz Transceiver (RF) Board Layout—Side 1 ..................................... 8-10
Figure 8-9. NUF3577 700–800 MHz Transceiver (RF) Board Layout—Side 2 ..................................... 8-11
Figure 8-10. NUF3577J 700–800 MHz Transceiver (RF) Board Overall Circuit Schematic ................... 8-17
Figure 8-11. NUF3577J 700–800 MHz Antenna Switch and Harmonic Filter Circuits ............................ 8-18
Figure 8-12. NUF3577J 700–800 MHz Receiver Front End Circuit ........................................................ 8-19
Figure 8-13. NUF3577J 700–800 MHz Receiver Back End Circuit......................................................... 8-20
Figure 8-14. NUF3577J 700–800 MHz Transmitter and Automatic Level Control Circuits ..................... 8-21
Figure 8-15. NUF3577J 700–800 MHz Frequency Generation Unit (Synthesizer) Circuit ...................... 8-22
Figure 8-16. NUF3577J 700–800 MHz Frequency Generation Unit (VCO) Circuit ................................. 8-23
Figure 8-17. NUF3577J 700–800 MHz Transceiver (RF) Board Layout—Side 1 ................................... 8-24
Figure 8-18. NUF3577J 700–800 MHz Transceiver (RF) Board Layout—Side 2 ................................... 8-25
Figure 8-19. NLD8910H VHF Transceiver (RF) Board Overall Circuit Schematic .................................. 8-31
Figure 8-20. NLD8910H VHF DC Power Circuits.................................................................................... 8-32 
						

							viiiList of Figures
November 16, 20066881094C31-E
Figure 8-21. NLD8910H VHF Antenna Switch and Harmonic Filter Circuits ........................................... 8-33
Figure 8-22. NLD8910H VHF Receiver Front End Circuit ....................................................................... 8-34
Figure 8-23. NLD8910H VHF Receiver Amplifier and Filter Circuit ......................................................... 8-35
Figure 8-24. NLD8910H VHF Mixer and IF Filter Circuits ....................................................................... 8-36
Figure 8-25. NLD8910H VHF Receiver Back End Circuit ....................................................................... 8-37
Figure 8-26. NLD8910H VHF Transmitter and Automatic Level Control Circuits ................................... 8-38
Figure 8-27. NLD8910H VHF Frequency Generation Unit (Synthesizer) Circuit..................................... 8-39
Figure 8-28. NLD8910H VHF Frequency Generation Unit (VCO) Circuit................................................ 8-40
Figure 8-29. NLD8910H VHF Transceiver (RF) Board Layout—Side 1 .................................................. 8-41
Figure 8-30. NLD8910H VHF Transceiver (RF) Board Layout—Side 2 .................................................. 8-42
Figure 8-31. NLE4272H UHF Range 1 Transceiver (RF) Board Overall Circuit Schematic.................... 8-48
Figure 8-32. NLE4272H UHF Range 1 Antenna Switch and Harmonic Filter Circuits ............................ 8-49
Figure 8-33. NLE4272H UHF Range 1 Receiver Front End (RX_FE) Circuit ......................................... 8-50
Figure 8-34. NLE4272H UHF Range 1 Receiver Back End (RX_BE) Circuit.......................................... 8-51
Figure 8-35. NLE4272H UHF Range 1 Transmitter Power Amplifier and Automatic 
Level Control (TX_ALC) Circuit ........................................................................................... 8-52
Figure 8-36. NLE4272H UHF Range 1 Frequency Generation Unit (Synthesizer) Circuit ...................... 8-53
Figure 8-37. NLE4272H UHF Range 1 Frequency Generation Unit (VCO) Circuit ................................. 8-54
Figure 8-38. NLE4272H UHF Range 1 Transceiver (RF) Board Layout—Side 1 ................................... 8-55
Figure 8-39. NLE4272H UHF Range 1 Transceiver (RF) Board Layout—Side 2 ................................... 8-56
Figure 8-40. NLE4278D UHF Range 1 Transceiver (RF) Board Overall Circuit Schematic.................... 8-63
Figure 8-41. NLE4278D UHF Range 1 Antenna Switch and Harmonic Filter Circuits ............................ 8-64
Figure 8-42. NLE4278D UHF Range 1 Receiver Front End Circuit ........................................................ 8-65
Figure 8-43. NLE4278D UHF Range 1 Receiver Back End Circuit ......................................................... 8-66
Figure 8-44. NLE4278D UHF Range 1 Transmitter Power Amplifier and Automatic 
Level Control Circuit ............................................................................................................ 8-67
Figure 8-45. NLE4278D UHF Range 1 Frequency Unit (Synthesizer) Circuit ......................................... 8-68
Figure 8-46. NLE4278D UHF Range 1 Frequency Generation Unit (VCO) Circuit ................................. 8-69
Figure 8-47. NLE4278D UHF Range 1 Transceiver (RF) Board Layout—Side 1 ................................... 8-70
Figure 8-48. NLE4278D UHF Range 1 Transceiver (RF) Board Layout—Side 2 ................................... 8-71
Figure 8-49. NLE4273F UHF Range 2 Transceiver (RF) Board Overall Circuit Schematic .................... 8-77
Figure 8-50. NLE4273F UHF Range 2 D/C Power Circuit Schematic..................................................... 8-78
Figure 8-51. NLE4273F UHF Range 2 Antenna Switch and Harmonic Filter Circuit Schematic............. 8-79
Figure 8-52. NLE4273F UHF Range 2 Receiver Front End Circuit Schematic ....................................... 8-80
Figure 8-53. NLE4273F UHF Range 2 Receiver Back End Circuit Schematic ....................................... 8-81
Figure 8-54. NLE4273F UHF Range 2 Receiver Amplifier and Filter Circuit Schematic ......................... 8-82
Figure 8-55. NLE4273F UHF Range 2 Mixer and IF FIlter Circuit Schematic ......................................... 8-83
Figure 8-56. NLE4273F UHF Range 2 Transmitter Power Amplifier and Automatic Level 
Control Circuit Schematic ................................................................................................... 8-84
Figure 8-57. NLE4273F UHF Range 2 Frequency Generation Unit (Synthesizer) Circuit Schematic..... 8-85
Figure 8-58. NLE4273F UHF Range 2 Frequency Generation Unit (VCO) Circuit Schematic................ 8-86
Figure 8-59. NLE4273F UHF Range 2 Transceiver Board Layout (Side 1) Schematic .......................... 8-87
Figure 8-60. NLE4273F UHF Range 2 Transceiver (RF) Board Layout (Side 2) Schematic .................. 8-88
Figure 8-61. NTN9564B VOCON Board Overall Schematic—1 of 2 ....................................................... 8-95
Figure 8-62. NTN9564B VOCON Board Overall Schematic—2 of 2 ....................................................... 8-96
Figure 8-63. NTN9564B VOCON Universal Connector Circuit ............................................................... 8-97
Figure 8-64. NTN9564B VOCON Flipper Circuit .....................................................................................8-98
Figure 8-65. NTN9564B VOCON Controller and Memory Circuits—1 of 2 ............................................. 8-99
Figure 8-66. NTN9564B VOCON Controller and Memory Circuits—2 of 2 ........................................... 8-100
Figure 8-67. NTN9564B VOCON Audio and DC Circuits ...................................................................... 8-101
Figure 8-68. NTN9564B VOCON Board Layout—Side 1 ...................................................................... 8-102
Figure 8-69. NTN9564B VOCON Board Layout—Side 2 ...................................................................... 8-103
Figure 8-70. NTN9564C VOCON Board Overall Schematic—1 of 2..................................................... 8-109
Figure 8-71. NTN9564C VOCON Board Overall Schematic—2 of 2..................................................... 8-110 
						

							List of Figuresix
6881094C31-ENovember 16, 2006
Figure 8-72. NTN9564C VOCON Universal Connector Circuit ............................................................. 8-111
Figure 8-73. NTN9564C VOCON Flipper Circuit................................................................................... 8-112
Figure 8-74. NTN9564C VOCON Controller and Memory Circuits—1 of 2........................................... 8-113
Figure 8-75. NTN9564C VOCON Controller and Memory Circuits—2 of 2........................................... 8-114
Figure 8-76. NTN9564C VOCON Audio and DC Circuits ..................................................................... 8-115
Figure 8-77. NTN9564C VOCON Board Layout—Side 1...................................................................... 8-116
Figure 8-78. NTN9564C VOCON Board Layout—Side 2...................................................................... 8-117
Figure 8-79. NNTN4563A/B VOCON Board Overall Schematic—1 of 2............................................... 8-123
Figure 8-80. NNTN4563A/B VOCON Board Overall Schematic—2 of 2............................................... 8-124
Figure 8-81. NNTN4563A/B VOCON Universal Connector Circuit ....................................................... 8-125
Figure 8-82. NNTN4563A/B VOCON Flipper Circuit ............................................................................. 8-126
Figure 8-83. NNTN4563A/B VOCON Controller and Memory Circuits—1 of 2 ..................................... 8-127
Figure 8-84. NNTN4563A/B VOCON Controller and Memory Circuits—2 of 2 ..................................... 8-128
Figure 8-85. NNTN4563A/B VOCON Audio and DC Circuits................................................................ 8-129
Figure 8-86. NNTN4563A/B VOCON Board Layout—Side 1 ................................................................ 8-130
Figure 8-87. NNTN4563A/B VOCON Board Layout—Side 2 ................................................................ 8-131
Figure 8-88. NNTN4819A VOCON Board Overall Schematic—Sheet 1 of 2........................................ 8-138
Figure 8-89. NNTN4819A VOCON Board Overall Schematic—Sheet 2 of 2........................................ 8-139
Figure 8-90. NNTN4819A VOCON Universal Connector and ESD Circuits ......................................... 8-140
Figure 8-91. NNTN4819A VOCON Flipper Circuit ................................................................................ 8-141
Figure 8-92. NNTN4819A VOCON Controller and Memory Circuits—Sheet 1 of 2 .............................. 8-142
Figure 8-93. NNTN4819A VOCON Controller and Memory Circuits—Sheet 2 of 2 .............................. 8-143
Figure 8-94. NNTN4819A VOCON Audio/DC Circuits .......................................................................... 8-144
Figure 8-95. NNTN4819A VOCON Board Layout—Side 1 ................................................................... 8-145
Figure 8-96. NNTN4819A VOCON Board Layout—Side 2 ................................................................... 8-146
Figure 8-97. NNTN4717D VOCON Board Overall Schematic—Sheet 1 of 2 ....................................... 8-152
Figure 8-98. NNTN4717D VOCON Board Overall Schematic—Sheet 2 of 2 ....................................... 8-153
Figure 8-99. NNTN4717D VOCON Board Universal Connector Circuit Schematic .............................. 8-154
Figure 8-100.NNTN4717D VOCON Board Flipper Circuit .................................................................... 8-155
Figure 8-101.NNTN4717D VOCON Board Controller and Memory Circuits—Sheet 1 of 2 .................. 8-156
Figure 8-102.NNTN4717D VOCON Board Controller and Memory Circuits—Sheet 2 of 2 .................. 8-157
Figure 8-103.NNTN4717D VOCON Board Audio/DC Circuits .............................................................. 8-158
Figure 8-104.NNTN4717D VOCON Board Layout—Side 1 .................................................................. 8-159
Figure 8-105.NNTN4717D VOCON Board Layout—Side 2 .................................................................. 8-160
Figure 8-106.NNTN5567A VOCON Board Overall Schematic—Sheet 1 of 2....................................... 8-166
Figure 8-107.NNTN5567A VOCON Board Overall Schematic—Sheet 2 of 2....................................... 8-167
Figure 8-108.NNTN5567A VOCON Board Universal Connector Circuit Schematic ............................. 8-168
Figure 8-109.NNTN5567A VOCON Board Power Management Circuit ............................................... 8-169
Figure 8-110.NNTN5567A VOCON Board Controller and Memory Circuits—Sheet 1 of 2 .................. 8-170
Figure 8-111.NNTN5567A VOCON Board Controller and Memory Circuits—Sheet 2 of 2 .................. 8-171
Figure 8-112.NNTN5567A VOCON Board Digital Block Circuits .......................................................... 8-172
Figure 8-113.NNTN5567AD VOCON Board Layout—Side 1................................................................ 8-173
Figure 8-114.NNTN5567A VOCON Board Layout—Side 2 .................................................................. 8-174