CP150/CP200Commercial SeriesTwo-Way Radio Detailed Service Manual

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: http://www.motorolasolutions.com/governmentandenterprise.

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DisclaimerThe information in responsibility is asproducts herein to the applications or rights nor the rights

MOTOROLA, MOTtrademarks of Motoproperty of their re 2005, 2012 MotoAll rights reserved.

Before using this product, read the operating instructions for safe usage contained in the Product Safety and RF Exposure booklet enclosed with your radio.ftware Copyrightsucts described in this manual may include copyrighted Motorola computer programs stored emories or other media. Laws in the United States and other countries preserve for clusive rights for copyrighted computer programs, including, but not limited to, the opy or reproduce in any form the copyrighted computer program. Accordingly, any la computer programs contained in the Motorola products described in this manual may oduced, modified, reverse-engineered, or distributed in any manner without the express of Motorola. Furthermore, the purchase of Motorola products shall not be deemed to grant implication, estoppel, or otherwise, any license under the copyrights, patents or patent orola, except for the normal non-exclusive license to use that arises by operation of law in ct.

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Notes

Table of Contents v

6880309N62-D

Table of Contents

Product Safety and RF Exposure Compliance ................................................................................. iiiComputer Software Copyrights......................................................................................................... iiiDocument Copyrights ....................................................................................................................... iiiDisclaimer ......................................................................................................................................... iiiList of Figures ................................................................................................................................ xviList of Tables ................................................................................................................................ xxiiRelated Publications ...................................................................................................................... xxii

Chapter 1 Test Equipment, Service Aids, and Service Tools........... 1-1

1.1 Test Equipment.............................................................................................................................. 1-11.2 Service A

Chapter 2

2.1 DC Regu

Chapter 3

3.1 Controlle3.1.1 M

3.1.13.1.13.1.13.1.13.1.13.1.13.1.13.1.13.1.13.1.1

3.1.2 A3.1.23.1.23.1.23.1.23.1.23.1.23.1.2

Chapter 4

4.1 Introduct4.2 VHF Rec

4.2.1 R4.2.2 R

4.3 VHF Tra4.3.1 TJanuary, 2012

ids................................................................................................................................... 1-2

DC Power Distribution ........................................................ 2-1

lation and Distribution ..................................................................................................... 2-1

Controller Theory of Operation.......................................... 3-1

r ....................................................................................................................................... 3-1icroprocessor Circuitry ................................................................................................... 3-1

.1 Memory Usage ........................................................................................................ 3-2

.2 Control and Indicator Interface ................................................................................ 3-2

.3 Serial Bus Control of Circuit Blocks ......................................................................... 3-2

.4 Interface to RSS Programming................................................................................ 3-3

.5 Storage of Customer-Specific Information............................................................... 3-3

.6 Sensing of Externally-Connected Accessories ........................................................ 3-3

.7 Microprocessor Power-Up, Power-Down and Reset Routine.................................. 3-3

.8 Boot Mode Control................................................................................................... 3-4

.9 Microprocessor 7.3975 MHz Clock.......................................................................... 3-4

.10 Battery Gauge.......................................................................................................... 3-4udio Circuitry .................................................................................................................. 3-4.1 Transmit and Receive Low-Level Audio Circuitry .................................................... 3-4.2 Audio Power Amplifier ............................................................................................. 3-5.3 Internal Microphone Audio Voice Path .................................................................... 3-5.4 PTT Circuits ............................................................................................................. 3-6.5 VOX Operation ........................................................................................................ 3-6.6 Battery Charging Through Microphone Jack ........................................................... 3-6.7 Programming and Flashing Through Microphone Jack ........................................... 3-6

136162 MHz VHF Theory Of Operation............................ 4-1

ion .................................................................................................................................... 4-1eiver ................................................................................................................................ 4-1eceiver Front-End........................................................................................................... 4-1eceiver Back-End ........................................................................................................... 4-2

nsmitter ............................................................................................................................ 4-3ransmit Power Amplifier.................................................................................................. 4-3

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January, 2012

4.3.2 Antenna Switch ................................................................................................................. 4-34.3.3 Harmonic Filter.................................................................................................................. 4-34.3.4 Antenna Matching Network............................................................................................... 4-44.3.5 Power Control ................................................................................................................... 4-4

4.4 VHF Frequency Generation Circuitry............................................................................................. 4-44.4.1 Fractional-N Synthesizer................................................................................................... 4-54.4.2 Voltage Controlled Oscillator (VCO) ................................................................................. 4-6

Chapter 5 146174 MHz VHF Theory Of Operation............................ 5-1

5.1 Introduction .................................................................................................................................... 5-15.2 VHF Receiver................................................................................................................................. 5-1

5.2.1 Receiver Front-End........................................................................................................... 5-15.2.2 Receiver Back-End ........................................................................................................... 5-2

5.3 VHF Tra5.3.15.3.25.3.35.3.45.3.5

5.4 VHF Fre5.4.15.4.2

Chapter 6

6.1 Troubles6.2 Troubles6.3 Troubles6.4 Troubles

Chapter 7

7.1 Introduc7.1.17.1.2

7.2 Speaker7.2.1

Chapter 7

Figure 7-3.Figure 7-4.Figure 7-5.Figure 7-6.Figure 7-7.

Figure 7-8.

Figure 7-9.6880309N62-D

nsmitter............................................................................................................................. 5-3Transmit Power Amplifier .................................................................................................. 5-3Antenna Switch ................................................................................................................. 5-3Harmonic Filter.................................................................................................................. 5-3Antenna Matching Network............................................................................................... 5-4Power Control ................................................................................................................... 5-4quency Generation Circuitry............................................................................................. 5-4Fractional-N Synthesizer................................................................................................... 5-5Voltage Controlled Oscillator (VCO) ................................................................................. 5-6

VHF Troubleshooting Tables ............................................. 6-1

hooting Table for Receiver............................................................................................... 6-1hooting Table for Synthesizer .......................................................................................... 6-3hooting Table for Transmitter........................................................................................... 6-4hooting Table for Board and IC Signals ........................................................................... 6-7

VHF Schematic Diagrams, Overlays, and Parts Lists...... 7-1

tion .................................................................................................................................... 7-1Notes For All Schematics and Circuit Boards ................................................................... 7-1Six Layer Circuit Board ..................................................................................................... 7-3 and Microphone Schematic ............................................................................................. 7-3Speaker and Microphone Parts List .................................................................................. 7-3

VHF (136162 MHz) Schematic Diagrams, Overlays, andParts Lists (8486769Z02-A) .............................................. 7-5

VHF (136162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z02-A)........... 7-5VHF (136162 MHz) Receiver Front End Schematic Diagram (8486769Z02-A) ............. 7-6VHF (136162 MHz) Receiver Back End Schematic Diagram (8486769Z02-A) ............. 7-7VHF (136162 MHz) Synthesizer Schematic Diagram (8486769Z02-A) ......................... 7-8VHF (136162 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z02-A) ............................................................................................................... 7-9VHF (136162 MHz) Transmitter and Power Control Schematic Diagram (8486769Z02-A) ............................................................................................................. 7-10VHF (136162 MHz) Controller Interconnect Schematic Diagram (8486769Z02-A)...... 7-11

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6880309N62-D

Figure 7-10. VHF (136162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z02-A) .. 7-12Figure 7-11. VHF (136162 MHz) Audio Circuitry Schematic Diagram (8486769Z02-A) .................. 7-13Figure 7-12. VHF (136162 MHz) DC Regulation Schematic Diagram (8486769Z02-A) .................. 7-14Figure 7-13. VHF (136162 MHz) Board Top Side View (8486769Z02-A) ........................................ 7-15Figure 7-14. VHF (136162 MHz) Board Bottom Side View (8486769Z02-A) ................................... 7-16VHF (136162 MHz) Radio Parts List (8486769Z02-A) ........................................................................ 7-17

Chapter 7 VHF (136162 MHz) Schematic Diagrams, Overlays, andParts Lists (8486769Z04-C/05-D)...................................... 7-21

Figure 7-15. VHF (136162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z04-C/05-D) 7-21Figure 7-16. VHF (136162 MHz) Receiver Front End Schematic Diagram (8486769Z04-C/05-D).. 7-22Figure 7-17. VHF (136162 MHz) Receiver Back End Schematic Diagram (8486769Z04-C/05-D) .. 7-23Figure 7-18. VHF (136162 MHz) Synthesizer Schematic Diagram (8486769Z04-C/05-D) .............. 7-24Figure 7-19.

Figure 7-20.

Figure 7-21.

Figure 7-22.

Figure 7-23.Figure 7-24.Figure 7-25.Figure 7-26.VHF (136162

Chapter 7

Figure 7-27.Figure 7-28.Figure 7-29.Figure 7-30.Figure 7-31.

Figure 7-32.

Figure 7-33.Figure 7-34.Figure 7-35.Figure 7-36.Figure 7-37.VHF (136162

Chapter 7

Figure 7-38.Figure 7-39.January, 2012

VHF (136162 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z04-C/05-D) .................................................................................................... 7-25VHF (136162 MHz) Transmitter and Power Control Schematic Diagram (8486769Z04-C/05-D) .................................................................................................... 7-26VHF (136162 MHz) Controller Interconnect Schematic Diagram (8486769Z04-C/05-D) .................................................................................................... 7-27VHF (136162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z04-C/05-D) .................................................................................................... 7-28VHF (136162 MHz) Audio Circuitry Schematic Diagram (8486769Z04-C/05-D) ......... 7-29VHF (136162 MHz) DC Regulation Schematic Diagram (8486769Z04-C/05-D) ......... 7-30VHF (136162 MHz) Board Component Side View (8486769Z04-C/05-D) ................... 7-31VHF (136162 MHz) Board Solder Side View (8486769Z04-C/05-D) ........................... 7-32 MHz) Radio Parts List (8486769Z04-C)........................................................................ 7-33

VHF (136162 MHz) Schematic Diagrams, Overlays, andParts Lists (8486769Z06-E)............................................... 7-37

VHF (136162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z06-E) ........ 7-37VHF (136162 MHz) Receiver Front End Schematic Diagram (8486769Z06-E)........... 7-38VHF (136162 MHz) Receiver Back End Schematic Diagram (8486769Z06-E) ........... 7-39VHF (136162 MHz) Synthesizer Schematic Diagram (8486769Z06-E) ....................... 7-40VHF (136162 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z06-E) ............................................................................................................. 7-41VHF (136162 MHz) Transmitter and Power Control Schematic Diagram (8486769Z06-E) ............................................................................................................. 7-42VHF (136162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z06-E) ... 7-43VHF (136162 MHz) Audio Circuitry Schematic Diagram (8486769Z06-E) .................. 7-44VHF (136162 MHz) DC Regulation Schematic Diagram (8486769Z06-E) .................. 7-45VHF (136162 MHz) Board Component Side View (8486769Z06-E) ............................ 7-46VHF (136162 MHz) Board Solder Side View (8486769Z06-E) .................................... 7-47 MHz) Radio Parts List (8486769Z06-E) ........................................................................ 7-48

VHF (136162 MHz) Schematic Diagrams, Overlays, andParts Lists (8486769Z08-G) .............................................. 7-55

VHF (136162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z08-G) ........ 7-55VHF (136162 MHz) Receiver Front End Schematic Diagram (8486769Z08-G) .......... 7-56

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Figure 7-40. VHF (136162 MHz) Receiver Back End Schematic Diagram (8486769Z08-G) ........... 7-57Figure 7-41. VHF (136162 MHz) Synthesizer Schematic Diagram (8486769Z08-G)....................... 7-58Figure 7-42. VHF (136162 MHz) Voltage Controlled Oscillator Schematic Diagram

(8486769Z08-G) ............................................................................................................. 7-59Figure 7-43. VHF (136162 MHz) Transmitter and Power Control Schematic Diagram

(8486769Z08-G) ............................................................................................................. 7-60Figure 7-44. VHF (136162 MHz) Controller Interconnect Schematic Diagram (8486769Z08-G) ..... 7-61Figure 7-45. VHF (136162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z08-G)... 7-62Figure 7-46. VHF (136162 MHz) Audio Circuitry Schematic Diagram (8486769Z08-G) .................. 7-63Figure 7-47. VHF (136162 MHz) DC Regulation Schematic Diagram (8486769Z08-G) .................. 7-64Figure 7-48. VHF (136162 MHz) Board Component Side View (8486769Z08-G)............................ 7-65Figure 7-49. VHF (136162 MHz) Board Solder Side View (8486769Z08-G) .................................... 7-66VHF (136162 MHz) Radio Parts List (8486769Z08-G)........................................................................ 7-67

Chapter 7

Figure 7-50.Figure 7-51.Figure 7-52.Figure 7-53.Figure 7-54.

Figure 7-55.

Figure 7-56.Figure 7-57.Figure 7-58.Figure 7-59.Figure 7-60.Figure 7-61.VHF (146174

Chapter 7

Figure 7-62.Figure 7-63.Figure 7-64.Figure 7-65.Figure 7-66.

Figure 7-67.

Figure 7-68.Figure 7-69.Figure 7-70.Figure 7-71.Figure 7-72.Figure 7-73.VHF (1461746880309N62-D

VHF (146174 MHz) Schematic Diagrams, Overlays, andParts Lists (8486342Z09-A) .............................................. 7-75

VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486342Z09-A)......... 7-75VHF (146174 MHz) Receiver Front End Schematic Diagram (8486342Z09-A) ........... 7-76VHF (146174 MHz) Receiver Back End Schematic Diagram (8486342Z09-A) ........... 7-77VHF (146174 MHz) Synthesizer Schematic Diagram (8486342Z09-A) ....................... 7-78VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486342Z09-A) ............................................................................................................. 7-79VHF (146174 MHz) Transmitter and Power Control Schematic Diagram (8486342Z09-A) ............................................................................................................. 7-80VHF (146174 MHz) Controller Interconnect Schematic Diagram (8486342Z09-A)...... 7-81VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486342Z09-A) .. 7-82VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486342Z09-A)................... 7-83VHF (146174 MHz) DC Regulation Schematic Diagram (8486342Z09-A)................... 7-84VHF (146174 MHz) Board Component Side View (8486342Z09-A) ............................ 7-85VHF (146174 MHz) Board Solder Side View (8486342Z09-A) .................................... 7-86 MHz) Radio Parts List (8486342Z09-A) ........................................................................ 7-87

VHF (146174 MHz) Schematic Diagrams, Overlays, andParts Lists (8486342Z13-C) .............................................. 7-91

VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486342Z13-C) ........ 7-91VHF (146174 MHz) Receiver Front End Schematic Diagram (8486342Z13-C)........... 7-92VHF (146174 MHz) Receiver Back End Schematic Diagram (8486342Z13-C) ........... 7-93VHF (146174 MHz) Synthesizer Schematic Diagram (8486342Z13-C) ....................... 7-94VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486342Z13-C) ............................................................................................................. 7-95VHF (146174 MHz) Transmitter and Power Control Schematic Diagram (8486342Z13-C) ............................................................................................................. 7-96VHF (146174 MHz) Controller Interconnect Schematic Diagram (8486342Z13-C) ..... 7-97VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486342Z13-C) .. 7-98VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486342Z13-C) .................. 7-99VHF (146174 MHz) DC Regulation Schematic Diagram (8486342Z13-C) ................ 7-100VHF (146174 MHz) Board Component Side View (8486342Z13-C) .......................... 7-101VHF (146174 MHz) Board Solder Side View (8486342Z13-C) .................................. 7-102 MHz) Radio Parts List (8486342Z13-C) ..................................................................... 7-103

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6880309N62-D

Chapter 7 VHF (146174) MHz Schematic Diagrams, Overlays, andParts Lists (8486769Z04-C/05-D).................................... 7-107

Figure 7-74. VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486769Z04-C/05-D) .................................................................................................. 7-107

Figure 7-75. VHF (146174 MHz) Receiver Front End Schematic Diagram (8486769Z04-C/05-D) 7-108Figure 7-76. VHF (146174 MHz) Receiver Back End Schematic Diagram (8486769Z04-C/05-D) 7-109Figure 7-77. VHF (146174 MHz) Synthesizer Schematic Diagram (8486769Z04-C/05-D) ............ 7-110Figure 7-78. VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram

(8486769Z04-C/05-D) .................................................................................................. 7-111Figure 7-79. VHF (146174 MHz) Transmitter and Power Control Schematic Diagram

(8486769Z04-C/05-D) .................................................................................................. 7-112Figure 7-80. VHF (146174 MHz) Controller Interconnect Schematic Diagram

(8486769Z04-C/05-D) .................................................................................................. 7-113Figure 7-81.

Figure 7-82.Figure 7-83.Figure 7-84.Figure 7-85.VHF (146174

Chapter 7

Figure 7-86.Figure 7-87.Figure 7-88.Figure 7-89.Figure 7-90.

Figure 7-91.

Figure 7-92.Figure 7-93.Figure 7-94.Figure 7-95.Figure 7-96.VHF (146174

Chapter 7

Figure 7-97.Figure 7-98.Figure 7-99.Figure 7-100.Figure 7-101.

Figure 7-102.January, 2012

VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z04-C/05-D) .................................................................................................. 7-114VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486769Z04-C/05-D) ....... 7-115VHF (146174 MHz) DC Regulation Schematic Diagram (8486769Z04-C/05-D) ....... 7-116VHF (146174 MHz) Board Component Side View (8486769Z04-C/05-D) ................. 7-117VHF (146174 MHz) Board Solder Side View (8486769Z04-C/05-D) ......................... 7-118 MHz) Radio Parts List (8486769Z04-C)...................................................................... 7-119

VHF (146174 MHz) Schematic Diagrams, Overlays, andParts Lists (8486769Z06-E)............................................. 7-123

VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486769Z06-E) ...... 7-123VHF (146174 MHz) Receiver Front End Schematic Diagram (8486769Z06-E)......... 7-124VHF (146174 MHz) Receiver Back End Schematic Diagram (8486769Z06-E) ......... 7-125VHF (146174 MHz) Synthesizer Schematic Diagram (8486769Z06-E) ..................... 7-126VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z06-E) ........................................................................................................... 7-127VHF (146174 MHz) Transmitter and Power Control Schematic Diagram (8486769Z06-E) ........................................................................................................... 7-128VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z06-E) . 7-129VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486769Z06-E) ................ 7-130VHF (146174 MHz) DC Regulation Schematic Diagram (8486769Z06-E) ................ 7-131VHF (146174 MHz) Board Component Side View (8486769Z06-E) .......................... 7-132VHF (146174 MHz) Board Solder Side View (8486769Z06-E) .................................. 7-133 MHz) Radio Parts List (8486769Z06-E) ...................................................................... 7-134

VHF (146174 MHz) Schematic Diagrams, Overlays, andParts Lists (8486769Z08-G) ............................................ 7-141

VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486769Z08-G) ...... 7-141VHF (146174 MHz) Receiver Front End Schematic Diagram (8486769Z08-G) ........ 7-142VHF (146174 MHz) Receiver Back End Schematic Diagram (8486769Z08-G)......... 7-143VHF (146174 MHz) Synthesizer Schematic Diagram (8486769Z08-G)..................... 7-144VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z08-G)........................................................................................................... 7-145VHF (146174 MHz) Transmitter and Power Control Schematic Diagram (8486769Z08-G)........................................................................................................... 7-146

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January, 2012

Figure 7-103. VHF (146174 MHz) Controller Interconnect Schematic Diagram (8486769Z08-G) ... 7-147Figure 7-104. VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z08-G).7-148Figure 7-105. VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486769Z08-G) ................ 7-149Figure 7-106. VHF (146174 MHz) DC Regulation Schematic Diagram (8486769Z08-G) ................ 7-150Figure 7-107. VHF (146174 MHz) Board Component Side View (8486769Z08-G).......................... 7-151Figure 7-108. VHF (146174 MHz) Board Solder Side View (8486769Z08-G) .................................. 7-152VHF (146174 MHz) Radio Parts List (8486769Z08-G)...................................................................... 7-153

Chapter 8 403440 MHz UHF Theory Of Operation ........................... 8-1

8.1 Introduction .................................................................................................................................... 8-18.2 UHF Receiver ................................................................................................................................ 8-1

8.2.1 Receiver Front End ........................................................................................................... 8-18.2.2 Receiver Back End ........................................................................................................... 8-2

8.3 UHF Tra8.3.18.3.28.3.38.3.48.3.5

8.4 UHF Fre8.4.18.4.2

Chapter 9

9.1 Introduc9.2 UHF Re

9.2.19.2.2

9.3 UHF Tra9.3.19.3.29.3.39.3.49.3.5

9.4 UHF Fre9.4.19.4.2

Chapter 10

10.1 Introduc10.2 UHF Re

10.2.110.2.2

10.3 UHF Tra10.3.110.3.210.3.310.3.410.3.56880309N62-D

nsmitter ............................................................................................................................ 8-3Transmitter Power Amplifier.............................................................................................. 8-3Antenna Switch ................................................................................................................. 8-3Harmonic Filter.................................................................................................................. 8-3Antenna Matching Network............................................................................................... 8-4Power Control ................................................................................................................... 8-4quency Generation Circuitry............................................................................................. 8-4Fractional-N Synthesizer................................................................................................... 8-5Voltage Controlled Oscillator (VCO) ................................................................................. 8-6

438470 MHz UHF Theory Of Operation ........................... 9-1

tion .................................................................................................................................... 9-1ceiver ................................................................................................................................ 9-1Receiver Front End ........................................................................................................... 9-1Receiver Back End ........................................................................................................... 9-2nsmitter ............................................................................................................................ 9-3Transmitter Power Amplifier.............................................................................................. 9-3Antenna Switch ................................................................................................................. 9-3Harmonic Filter.................................................................................................................. 9-3Antenna Matching Network............................................................................................... 9-4Power Control ................................................................................................................... 9-4quency Generation Circuitry............................................................................................. 9-4Fractional-N Synthesizer................................................................................................... 9-5Voltage Controlled Oscillator (VCO) ................................................................................. 9-6

465495 MHz UHF Theory Of Operation ......................... 10-1

tion .................................................................................................................................. 10-1ceiver .............................................................................................................................. 10-1Receiver Front End ......................................................................................................... 10-1Receiver Back End ......................................................................................................... 10-2nsmitter .......................................................................................................................... 10-3Transmitter Power Amplifier............................................................................................ 10-3Antenna Switch ............................................................................................................... 10-3Harmonic Filter................................................................................................................ 10-3Antenna Matching Network............................................................................................. 10-4Power Control ................................................................................................................. 10-4

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6880309N62-D

10.4 UHF Frequency Generation Circuitry .......................................................................................... 10-410.4.1 Fractional-N Synthesizer ................................................................................................ 10-510.4.2 Voltage Controlled Oscillator (VCO) ............................................................................... 10-6

Chapter 11 490527 MHz UHF Theory Of Operation ......................... 11-1

11.1 Introduction .................................................................................................................................. 11-111.2 UHF Receiver .............................................................................................................................. 11-1

11.2.1 Receiver Front End......................................................................................................... 11-111.2.2 Receiver Back End ......................................................................................................... 11-2

11.3 UHF Transmitter .......................................................................................................................... 11-311.3.1 Transmitter Power Amplifier ........................................................................................... 11-311.3.2 Antenna Switch............................................................................................................... 11-311.3.3 Harmonic Filter ............................................................................................................... 11-311.3.4 A11.3.5 P

11.4 UHF Fre11.4.1 F11.4.2 V

11.5 Keypad.

Chapter 12

12.1 Troubles12.2 Troubles12.3 Troubles12.4 Troubles

Chapter 13

13.1 Introduct13.1.1 N13.1.2 S

13.2 Speaker13.2.1 S

Chapter 13

Figure 13-3.Figure 13-4.Figure 13-5.Figure 13-6.Figure 13-7.

Figure 13-8.

Figure 13-9.Figure 13-10.Figure 13-11.Figure 13-12.January, 2012

ntenna Matching Network............................................................................................. 11-4ower Control ................................................................................................................. 11-4

quency Generation Circuitry .......................................................................................... 11-4ractional-N Synthesizer ................................................................................................ 11-5oltage Controlled Oscillator (VCO) ............................................................................... 11-6

........................................................................................................................................ 11-7

UHF Troubleshooting Tables ........................................... 12-1

hooting Table for Receiver............................................................................................. 12-1hooting Table for Synthesizer ........................................................................................ 12-3hooting Table for Transmitter......................................................................................... 12-4hooting Table for Board and IC Signals......................................................................... 12-6

UHF Schematic Diagrams, Overlays, and Parts Lists ... 13-1

ion .................................................................................................................................. 13-1otes For All Schematics and Circuit Boards................................................................. 13-1ix Layer Circuit Board ................................................................................................... 13-3

and Microphone Schematic........................................................................................... 13-3peaker and Microphone Parts List................................................................................ 13-3

UHF (403440 MHz) Schematic Diagrams, Overlays, andParts Lists (8486635Z03-O) .............................................. 13-5

UHF (403440 MHz) Radio Circuit Block Diagram (8486635Z03-O)............................. 13-5UHF (403440 MHz) Receiver Front End Schematic Diagram (8486635Z03-O) .......... 13-6UHF (403440 MHz) Receiver Back End Schematic Diagram (8486635Z03-O)........... 13-7UHF (403440 MHz) Synthesizer Schematic Diagram (8486635Z03-O) ...................... 13-8UHF (403440 MHz) Voltage Controlled Oscillator Schematic Diagram (8486635Z03-O)............................................................................................................. 13-9UHF (403440 MHz) Transmitter and Power Control Schematic Diagram (8486635Z03-O)........................................................................................................... 13-10UHF (403440 MHz) Controller Interconnect Schematic Diagram (8486635Z03-O)... 13-11UHF (403440 MHz) Microprocessor Circuitry Schematic Diagram (8486635Z03-O) 13-12UHF (403440MHz) Audio Circuitry Schematic Diagram (8486635Z03-O)................. 13-13UHF (403440 MHz) DC Regulation Schematic Diagram (8486635Z03-O)................ 13-14

xii Table of Contents

January, 2012

Figure 13-13. UHF (403440 MHz) Board Component Side View (8486635Z03-O).......................... 13-15Figure 13-14. UHF (403440 MHz) Board Solder Side View (8486635Z03-O).................................. 13-16UHF (403440 MHz) Radio Parts List (8486635Z03-O)...................................................................... 13-17

Chapter 13 UHF (403440 MHz) Schematic Diagrams, Overlays, andParts Lists (8416205H02-C/03-D) ................................... 13-21

Figure 13-15. UHF (403440 MHz) Radio Circuit Block Diagram (8416205H02-C/03-D).................. 13-21Figure 13-16. UHF (403440 MHz) Receiver Front End Schematic Diagram (8416205H02-C/03-D)13-22Figure 13-17. UHF (403440 MHz) Receiver Back End Schematic Diagram (8416205H02-C/03-D) 13-23Figure 13-18. UHF (403440 MHz) Synthesizer Schematic Diagram (8416205H02-C/03-D)............ 13-24Figure 13-19. UHF (403440 MHz) Voltage Controlled Oscillator Schematic Diagram

(8416205H02-C/03-D) .................................................................................................. 13-25Figure 13-20. UHF (403440 MHz) Transmitter and Power Control Schematic Diagram

Figure 13-21.

Figure 13-22.

Figure 13-23.Figure 13-24.Figure 13-25.Figure 13-26.UHF (403440

Chapter 13

Figure 13-27.Figure 13-28.Figure 13-29.Figure 13-30.Figure 13-31.

Figure 13-32.

Figure 13-33.Figure 13-34.Figure 13-35.Figure 13-36.Figure 13-37.UHF (403440

Chapter 13

Figure 13-38.Figure 13-39.Figure 13-40.Figure 13-41.6880309N62-D

(8416205H02-C/03-D) .................................................................................................. 13-26UHF (403440 MHz) Controller Interconnect Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-27UHF (403440 MHz) Microprocessor Circuitry Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-28UHF (403440 MHz) Audio Circuitry Schematic Diagram (8416205H02-C/03-D) ....... 13-29UHF (403440 MHz) DC Regulation Schematic Diagram (8416205H02-C/03-D) ....... 13-30UHF (403440 MHz) Board Component Side View (8416205H02-C/03-D)................. 13-31UHF (403440 MHz) Board Solder Side View (8416205H02-C/03-D)......................... 13-32 MHz) Radio Parts List (8416205H02-C/03-D)............................................................. 13-33

UHF (403440 MHz) Schematic Diagrams, Overlays, andParts Lists (8416205H04-F) ............................................ 13-37

UHF (403440 MHz) Radio Circuit Block Interconnect Diagram (8416205H04-F) ...... 13-37UHF (403440 MHz) Receiver Front End Schematic Diagram (8416205H04-F)......... 13-38UHF (403440 MHz) Receiver Back End Schematic Diagram (8416205H04-F) ......... 13-39UHF (403440 MHz) Synthesizer Schematic Diagram (8416205H04-F)..................... 13-40UHF (403440 MHz) Voltage Controlled Oscillator Schematic Diagram (8416205H04-F) ........................................................................................................... 13-41UHF (403440 MHz) Transmitter and Power Control Schematic Diagram (8416205H04-F) ........................................................................................................... 13-42UHF (403440 MHz) Microprocessor Circuitry Schematic Diagram (8416205H04-F). 13-43UHF (403440 MHz) Audio Circuitry Schematic Diagram (8416205H04-F) ................ 13-44UHF (403440 MHz) DC Regulation Schematic Diagram (8416205H04-F) ................ 13-45UHF (403440 MHz) Board Component Side View (8416205H04-F).......................... 13-46UHF (403440 MHz) Board Solder Side View (8416205H04-F) .................................. 13-47 MHz) Radio Parts List (8416205H04-F)...................................................................... 13-48

UHF (438470 MHz) Schematic Diagrams, Overlays, andParts Lists (8486348Z09-A) ............................................ 13-55

UHF (438470 MHz) Radio Circuit Block Diagram (8486348Z09-A) ........................... 13-55UHF (438470 MHz) Receiver Front End Schematic Diagram (8486348Z09-A)......... 13-56UHF (438470 MHz) Receiver Back End Schematic Diagram (8486348Z09-A) ......... 13-57UHF (438470 MHz) Synthesizer Schematic Diagram (8486348Z09-A) ..................... 13-58

Table of Contents xiii

6880309N62-D

Figure 13-42. UHF (438470 MHz) Voltage Controlled Oscillator Schematic Diagram (8486348Z09-A) ........................................................................................................... 13-59

Figure 13-43. UHF (438470 MHz) Transmitter and Power Control Schematic Diagram (8486348Z09-A) ........................................................................................................... 13-60

Figure 13-44. UHF (438470 MHz) Controller Interconnect Schematic Diagram (8486348Z09-A) ... 13-61Figure 13-45. UHF (438470 MHz) Microprocessor Circuitry Schematic Diagram (8486348Z09-A) 13-62Figure 13-46. UHF (438470 MHz) Audio Circuitry Schematic Diagram (8486348Z09-A) ................ 13-63Figure 13-47. UHF (438470 MHz) DC Regulation Schematic Diagram (8486348Z09-A) ................ 13-64Figure 13-48. UHF (438470 MHz) Board Component Side View (8486348Z09-A) .......................... 13-65Figure 13-49. UHF (438470 MHz) Board Solder Side View (8486348Z09-A) .................................. 13-66UHF (438470 MHz) Radio Parts List (8486348Z09-A) ...................................................................... 13-67

Chapter 13 UHF (438470 MHz) Schematic Diagrams, Overlays, andParts Lists (8486348Z13-C) ............................................ 13-71

Figure 13-50.Figure 13-51.Figure 13-52.Figure 13-53.Figure 13-54.

Figure 13-55.

Figure 13-56.Figure 13-57.Figure 13-58.Figure 13-59.Figure 13-60.Figure 13-61.UHF (438470

Chapter 13

Figure 13-62.Figure 13-63.Figure 13-64.Figure 13-65.Figure 13-66.

Figure 13-67.

Figure 13-68.

Figure 13-69.

Figure 13-70.Figure 13-71.Figure 13-72.Figure 13-73.UHF (438470January, 2012

UHF (438470 MHz) Radio Circuit Block Diagram (8486348Z13-C) ........................... 13-71UHF (438470 MHz) Receiver Front End Schematic Diagram (8486348Z13-C)......... 13-72UHF (438470 MHz) Receiver Back End Schematic Diagram (8486348Z13-C) ......... 13-73UHF (438470 MHz) Synthesizer Schematic Diagram (8486348Z13-C)..................... 13-74UHF (438470 MHz) Voltage Controlled Oscillator Schematic Diagram (8486348Z13-C) ........................................................................................................... 13-75UHF (438470 MHz) Transmitter and Power Control Schematic Diagram (8486348Z13-C) ........................................................................................................... 13-76UHF (438470 MHz) Controller Interconnect Schematic Diagram (8486348Z13-C) ... 13-77UHF (438470 MHz) Microprocessor Circuitry Schematic Diagram (8486348Z13-C) 13-78UHF (438470 MHz) Audio Circuitry Schematic Diagram (8486348Z13-C) ................ 13-79UHF (438470 MHz) DC Regulation Schematic Diagram (8486348Z13-C) ................ 13-80UHF (438470 MHz) Board Component Side View (8486348Z13-C).......................... 13-81UHF (438470 MHz) Board Solder Side View (8486348Z13-C) .................................. 13-82 MHz) Radio Parts List (8486348Z13-C)...................................................................... 13-83

UHF (438470 MHz) Schematic Diagrams, Overlays, andParts Lists (8416205H02-C/03-D) ................................... 13-87

UHF (438470 MHz) Radio Circuit Block Diagram (8416205H02-C/03-D).................. 13-87UHF (438470 MHz) Receiver Front End Schematic Diagram (8416205H02-C/03-D)13-88UHF (438470 MHz) Receiver Back End Schematic Diagram (8416205H02-C/03-D) 13-89UHF (438470 MHz) Synthesizer Schematic Diagram (8416205H02-C/03-D)............ 13-90UHF (438470 MHz) Voltage Controlled Oscillator Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-91UHF (438470 MHz) Transmitter and Power Control Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-92UHF (438470 MHz) Controller Interconnect Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-93UHF (438470 MHz) Microprocessor Circuitry Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-94UHF (438470 MHz) Audio Circuitry Schematic Diagram (8416205H02-C/03-D) ....... 13-95UHF (438470 MHz) DC Regulation Schematic Diagram (8416205H02-C/03-D) ....... 13-96UHF (438470 MHz) Board Component Side View (8416205H02-C/03-D)................. 13-97UHF (438470 MHz) Board Solder Side View (8416205H02-C/03-D)......................... 13-98 MHz) Radio Parts List (8416205H02-C/03-D)............................................................. 13-99

xiv Table of Contents

January, 2012

Chapter 13 UHF (438470 MHz) Schematic Diagrams, Overlays, andParts Lists (8416205H04-F) .......................................... 13-103

Figure 13-74. UHF (438470 MHz) Radio Circuit Block Interconnect Diagram (8416205H04-F) .... 13-103Figure 13-75. UHF (438470 MHz) Receiver Front End Schematic Diagram (8416205H04-F) ...... 13-104Figure 13-76. UHF (438470 MHz) Receiver Back End Schematic Diagram (8416205H04-F)....... 13-105Figure 13-77. UHF (438470 MHz) Synthesizer Schematic Diagram (8416205H04-F)................... 13-106Figure 13-78. UHF (438470 MHz) Voltage Controlled Oscillator Schematic Diagram

(8416205H04-F) ......................................................................................................... 13-107Figure 13-79. UHF (438470 MHz) Transmitter and Power Control Schematic Diagram

(8416205H04-F) ......................................................................................................... 13-108Figure 13-80. UHF (438470 MHz) Microprocessor Circuitry Schematic Diagram

(8416205H04-F) ......................................................................................................... 13-109Figure 13-81. UHF (438470 MHz) Audio Circuitry Schematic Diagram (8416205H04-F) .............. 13-110Figure 13-82.Figure 13-83.Figure 13-84.UHF (438470

Chapter 13

Figure 13-85.Figure 13-86.Figure 13-87.Figure 13-88.Figure 13-89.

Figure 13-90.

Figure 13-91.Figure 13-92.

Figure 13-93.Figure 13-94.Figure 13-95.Figure 13-96.UHF (465495

Chapter 13

Figure 13-97.Figure 13-98.

Figure 13-99.

Figure 13-100.Figure 13-101.6880309N62-D

UHF (438470 MHz) DC Regulation Schematic Diagram (8416205H04-F) .............. 13-111UHF (438470 MHz) Board Component Side View (8416205H04-F)........................ 13-112UHF (438470 MHz) Board Solder Side View (8416205H04-F)................................ 13-113 MHz) Radio Parts List (8416205H04-F).................................................................... 13-114

UHF (465495 MHz) Schematic Diagrams, Overlays, andParts Lists (8486634Z02-O) .......................................... 13-121

UHF (465495 MHz) Radio Circuit Block Diagram (8486634Z02-O)......................... 13-121UHF (465495 MHz) Receiver Front End Schematic Diagram (8486634Z02-O) ...... 13-122UHF (465495 MHz) Receiver Back End Schematic Diagram (8486634Z02-O)....... 13-123UHF (465495 MHz) Synthesizer Schematic Diagram (8486634Z02-O) .................. 13-124UHF (465495 MHz) Voltage Controlled Oscillator Schematic Diagram 8486634Z02-O) .......................................................................................................... 13-125UHF (465495 MHz) Transmitter and Power Control Schematic Diagram (8486634Z02-O)......................................................................................................... 13-126UHF (465495 MHz) Controller Interconnect Schematic Diagram (8486634Z02-O). 13-127UHF (465495 MHz) Microprocessor Circuitry Schematic Diagram (8486634Z02-O)......................................................................................................... 13-128UHF (465495 MHz) Audio Circuitry Schematic Diagram (8486634Z02-O).............. 13-129UHF (465495 MHz) DC Regulation Schematic Diagram (8486634Z02-O).............. 13-130UHF (465495 MHz) Board Component Side View (8486634Z02-O) ....................... 13-131UHF (465495 MHz) Board Solder Side View (8486634Z02-O)................................ 13-132 MHz) Radio Parts List (8486634Z02-O) ................................................................... 13-133

UHF (465495 MHz) Schematic Diagrams, Overlays, andParts Lists (8416847H01-A/02-B) ................................. 13-137

UHF (465495 MHz) Radio Circuit Block Diagram (8416847H01-A/02-B) ................ 13-137UHF (465495 MHz) Receiver Front End Schematic Diagram (8416847H01-A/02-B) ................................................................................................ 13-138UHF (465495 MHz) Receiver Back End Schematic Diagram (8416847H01-A/02-B) ................................................................................................ 13-139UHF (465495 MHz) Synthesizer Schematic Diagram (8416847H01-A/02-B).......... 13-140UHF (465495 MHz) Voltage Controlled Oscillator Schematic Diagram (8416847H01-A/02-B) ................................................................................................ 13-141

Table of Contents xv

6880309N62-D

Figure 13-102.UHF (465495 MHz) Transmitter and Power Control Schematic Diagram (8416847H01-A/02-B) ................................................................................................ 13-142

Figure 13-103.UHF (465495 MHz) Controller Interconnect Schematic Diagram (8416847H01-A/02-B) ................................................................................................ 13-143

Figure 13-104.UHF (465495 MHz) Microprocessor Circuitry Schematic Diagram (8416847H01-A/02-B) ................................................................................................ 13-144

Figure 13-105.UHF (465495 MHz) Audio Circuitry Schematic Diagram (8416847H01-A/02-B) ..... 13-145Figure 13-106.UHF (465495 MHz) DC Regulation Schematic Diagram (8416847H01-A/02-B) ..... 13-146Figure 13-107.UHF (465495 MHz) Board Component Side View (8416847H01-A/02-B)............... 13-147Figure 13-108.UHF (465495 MHz) Board Solder Side View (8416847H01-A/02-B)....................... 13-148UHF (465495 MHz) Radio Parts List (8416847H01-A/02-B)........................................................... 13-149

Chapter 13 UHF (490527 MHz) Schematic Diagrams, Overlays, andParts Lists (8486768Z02-A) .......................................... 13-153

Figure 13-109.Figure 13-110.Figure 13-111.Figure 13-112.Figure 13-113.

Figure 13-114.

Figure 13-115.Figure 13-116.

Figure 13-117.Figure 13-118.Figure 13-119.Figure 13-120.UHF (490527

Chapter 13

Figure 13-121.Figure 13-122.Figure 13-123.Figure 13-124.Figure 13-125.

Figure 13-126.

Figure 13-127.

Figure 13-128.

Figure 13-129.Figure 13-130.Figure 13-131.Figure 13-132.UHF (490527January, 2012

UHF (490527 MHz) Radio Circuit Block Diagram (8486768Z02-A)......................... 13-153UHF (490527 MHz) Receiver Front End Schematic Diagram (8486768Z02-A) ...... 13-154UHF (490527 MHz) Receiver Back End Schematic Diagram (8486768Z02-A)....... 13-155UHF (490527 MHz) Synthesizer Schematic Diagram (8486768Z02-A)................... 13-156UHF (490527 MHz) Voltage Controlled Oscillator Schematic Diagram (8486768Z02-A) ......................................................................................................... 13-157UHF (490527 MHz) Transmitter and Power Control Schematic Diagram (8486768Z02-A) ......................................................................................................... 13-158UHF (490527 MHz) Controller Interconnect Schematic Diagram (8486768Z02-A) . 13-159UHF (490527 MHz) Microprocessor Circuitry Schematic Diagram (8486768Z02-A) ......................................................................................................... 13-160UHF (490527 MHz) Audio Circuitry Schematic Diagram (8486768Z02-A) .............. 13-161UHF (490527 MHz) DC Regulation Schematic Diagram (8486768Z02-A) .............. 13-162UHF (490527 MHz) Board Component Side View (8486768Z02-A)........................ 13-163UHF (490527 MHz) Board Solder Side View (8486768Z02-A)................................ 13-164 MHz) Radio Parts List (8486768Z02-A).................................................................... 13-165

UHF (490527 MHz) Schematic Diagrams, Overlays, andParts Lists (8416846H01-A/B) ...................................... 13-169

UHF (490527 MHz) Radio Circuit Block Diagram (8416846H01-A/B) ..................... 13-169UHF (490527 MHz) Receiver Front End Schematic Diagram (8416846H01-A/B)... 13-170UHF (490527 MHz) Receiver Back End Schematic Diagram (8416846H01-A/B) ... 13-171UHF (490527 MHz) Synthesizer Schematic Diagram (8416846H01-A/B)............... 13-172UHF (490527 MHz) Voltage Controlled Oscillator Schematic Diagram (8416846H01-A/B) ..................................................................................................... 13-173UHF (490527 MHz) Transmitter and Power Control Schematic Diagram (8416846H01-A/B) ..................................................................................................... 13-174UHF (490527 MHz) Controller Interconnect Schematic Diagram (8416846H01-A/B) ..................................................................................................... 13-175UHF (490527 MHz) Microprocessor Circuitry Schematic Diagram (8416846H01-A/B) ..................................................................................................... 13-176UHF (490527 MHz) Audio Circuitry Schematic Diagram (8416846H01-A/B) .......... 13-177UHF (490527 MHz) DC Regulation Schematic Diagram (8416846H01-A/B) .......... 13-178UHF (490527 MHz) Board Component Side View (8416846H01-A/B).................... 13-179UHF (490527 MHz) Board Solder Side View (8416846H01-A/B) ............................ 13-180 MHz) Radio Parts List (8416846H01-A/B) ................................................................ 13-181

xvi List of Figures

January, 2012

List of FiguresFigure 1-1. Programming/Test Cable.................................................................................................. 1-4Figure 1-2. Wiring of the Connectors .................................................................................................. 1-4Figure 2-1. DC Power Distribution Block Diagram.............................................................................. 2-1Figure 4-1. VHF Receiver Block Diagram........................................................................................... 4-1Figure 4-2. VHF Transmitter Block Diagram.......................................................................................4-3Figure 4-3. VHF Frequency Generation Unit Block Diagram.............................................................. 4-5Figure 4-4. VHF Synthesizer Block Diagram ...................................................................................... 4-6Figure 4-5. VHF VCO Block Diagram ................................................................................................. 4-7Figure 5-1. VHF Receiver Block Diagram........................................................................................... 5-1Figure 5-2. VHF Transmitter Block Diagram.......................................................................................5-3Figure 5-3. VHF Frequency Generation Unit Block Diagram.............................................................. 5-5Figure 5-4. VHF Synthesizer Block Diagram ...................................................................................... 5-6Figure 5-5.Figure 7-1.Figure 7-2.Figure 7-3.Figure 7-4.Figure 7-5.Figure 7-6.Figure 7-7.

Figure 7-8.

Figure 7-9.Figure 7-10.Figure 7-11.Figure 7-12.Figure 7-13.Figure 7-14.Figure 7-15.Figure 7-16.Figure 7-17.Figure 7-18.Figure 7-19.

Figure 7-20.

Figure 7-21.

Figure 7-22.

Figure 7-23.Figure 7-24.Figure 7-25.Figure 7-26.Figure 7-27.Figure 7-28.Figure 7-29.Figure 7-30.Figure 7-31.

Figure 7-32.6880309N62-D

VHF VCO Block Diagram ................................................................................................. 5-7Six-Layer Circuit Board: Copper Steps in Layer Sequence.............................................. 7-3Speaker and Microphone Schematic................................................................................ 7-3VHF (136162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z02-A)........... 7-5VHF (136162 MHz) Receiver Front End Schematic Diagram (8486769Z02-A) ............. 7-6VHF (136162 MHz) Receiver Back End Schematic Diagram (8486769Z02-A) ............. 7-7VHF (136162 MHz) Synthesizer Schematic Diagram (8486769Z02-A) ......................... 7-8VHF (136162 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z02-A) ............................................................................................................... 7-9VHF (136162 MHz) Transmitter and Power Control Schematic Diagram (8486769Z02-A) ............................................................................................................. 7-10VHF (136162 MHz) Controller Interconnect Schematic Diagram (8486769Z02-A)...... 7-11VHF (136162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z02-A) .. 7-12VHF (136162 MHz) Audio Circuitry Schematic Diagram (8486769Z02-A)................... 7-13VHF (136162 MHz) DC Regulation Schematic Diagram (8486769Z02-A)................... 7-14VHF (136162 MHz) Board Top Side View (8486769Z02-A)......................................... 7-15VHF (136162 MHz) Board Bottom Side View (8486769Z02-A) ................................... 7-16VHF (136162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z04-C/05-D) 7-21VHF (136162 MHz) Receiver Front End Schematic Diagram (8486769Z04-C/05-D) .. 7-22VHF (136162 MHz) Receiver Back End Schematic Diagram (8486769Z04-C/05-D) .. 7-23VHF (136162 MHz) Synthesizer Schematic Diagram (8486769Z04-C/05-D) .............. 7-24VHF (136162 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z04-C/05-D) .................................................................................................... 7-25VHF (136162 MHz) Transmitter and Power Control Schematic Diagram (8486769Z04-C/05-D) .................................................................................................... 7-26VHF (136162 MHz) Controller Interconnect Schematic Diagram (8486769Z04-C/05-D) .................................................................................................... 7-27VHF (136162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z04-C/05-D) .................................................................................................... 7-28VHF (136162 MHz) Audio Circuitry Schematic Diagram (8486769Z04-C/05-D).......... 7-29VHF (136162 MHz) DC Regulation Schematic Diagram (8486769Z04-C/05-D).......... 7-30VHF (136162 MHz) Board Component Side View (8486769Z04-C/05-D) ................... 7-31VHF (136162 MHz) Board Solder Side View (8486769Z04-C/05-D) ........................... 7-32VHF (136162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z06-E)......... 7-37VHF (136162 MHz) Receiver Front End Schematic Diagram (8486769Z06-E) ........... 7-38VHF (136162 MHz) Receiver Back End Schematic Diagram (8486769Z06-E) ........... 7-39VHF (136162 MHz) Synthesizer Schematic Diagram (8486769Z06-E) ....................... 7-40VHF (136162 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z06-E) ............................................................................................................. 7-41VHF (136162 MHz) Transmitter and Power Control Schematic Diagram (8486769Z06-E) ............................................................................................................. 7-42

List of Figures xvii

6880309N62-D

Figure 7-33. VHF (136162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z06-E) ... 7-43Figure 7-34. VHF (136162 MHz) Audio Circuitry Schematic Diagram (8486769Z06-E) .................. 7-44Figure 7-35. VHF (136162 MHz) DC Regulation Schematic Diagram (8486769Z06-E) .................. 7-45Figure 7-36. VHF (136162 MHz) Board Component Side View (8486769Z06-E) ............................ 7-46Figure 7-37. VHF (136162 MHz) Board Solder Side View (8486769Z06-E) .................................... 7-47Figure 7-38. VHF (136162 MHz) Radio Circuit Block Interconnect Diagram (8486769Z08-G) ........ 7-55Figure 7-39. VHF (136162 MHz) Receiver Front End Schematic Diagram (8486769Z08-G) .......... 7-56Figure 7-40. VHF (136162 MHz) Receiver Back End Schematic Diagram (8486769Z08-G)........... 7-57Figure 7-41. VHF (136162 MHz) Synthesizer Schematic Diagram (8486769Z08-G)....................... 7-58Figure 7-42. VHF (136162 MHz) Voltage Controlled Oscillator Schematic Diagram

(8486769Z08-G)............................................................................................................. 7-59Figure 7-43. VHF (136162 MHz) Transmitter and Power Control Schematic Diagram

(8486769Z08-G)............................................................................................................. 7-60Figure 7-44. VHF (136162 MHz) Controller Interconnect Schematic Diagram (8486769Z08-G) ..... 7-61Figure 7-45. VHF (136162 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z08-G)... 7-62Figure 7-46.Figure 7-47.Figure 7-48.Figure 7-49.Figure 7-50.Figure 7-51.Figure 7-52.Figure 7-53.Figure 7-54.

Figure 7-55.

Figure 7-56.Figure 7-57.Figure 7-58.Figure 7-59.Figure 7-60.Figure 7-61.Figure 7-62.Figure 7-63.Figure 7-64.Figure 7-65.Figure 7-66.

Figure 7-67.

Figure 7-68.Figure 7-69.Figure 7-70.Figure 7-71.Figure 7-72.Figure 7-73.Figure 7-74.

Figure 7-75.Figure 7-76.Figure 7-77.Figure 7-78.

Figure 7-79.January, 2012

VHF (136162 MHz) Audio Circuitry Schematic Diagram (8486769Z08-G) .................. 7-63VHF (136162 MHz) DC Regulation Schematic Diagram (8486769Z08-G) .................. 7-64VHF (136162 MHz) Board Component Side View (8486769Z08-G)............................ 7-65VHF (136162 MHz) Board Solder Side View (8486769Z08-G).................................... 7-66VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486342Z09-A) ........ 7-75VHF (146174 MHz) Receiver Front End Schematic Diagram (8486342Z09-A)........... 7-76VHF (146174 MHz) Receiver Back End Schematic Diagram (8486342Z09-A) ........... 7-77VHF (146174 MHz) Synthesizer Schematic Diagram (8486342Z09-A) ....................... 7-78VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486342Z09-A) ............................................................................................................. 7-79VHF (146174 MHz) Transmitter and Power Control Schematic Diagram (8486342Z09-A) ............................................................................................................. 7-80VHF (146174 MHz) Controller Interconnect Schematic Diagram (8486342Z09-A) ..... 7-81VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486342Z09-A) .. 7-82VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486342Z09-A) .................. 7-83VHF (146174 MHz) DC Regulation Schematic Diagram (8486342Z09-A) .................. 7-84VHF (146174 MHz) Board Component Side View (8486342Z09-A) ............................ 7-85VHF (146174 MHz) Board Solder Side View (8486342Z09-A) .................................... 7-86VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486342Z13-C) ........ 7-91VHF (146174 MHz) Receiver Front End Schematic Diagram (8486342Z13-C)........... 7-92VHF (146174 MHz) Receiver Back End Schematic Diagram (8486342Z13-C) ........... 7-93VHF (146174 MHz) Synthesizer Schematic Diagram (8486342Z13-C)....................... 7-94VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486342Z13-C) ............................................................................................................. 7-95VHF (146174 MHz) Transmitter and Power Control Schematic Diagram (8486342Z13-C) ............................................................................................................. 7-96VHF (146174 MHz) Controller Interconnect Schematic Diagram (8486342Z13-C) ..... 7-97VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486342Z13-C).. 7-98VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486342Z13-C) .................. 7-99VHF (146174 MHz) DC Regulation Schematic Diagram (8486342Z13-C) ................ 7-100VHF (146174 MHz) Board Component Side View (8486342Z13-C).......................... 7-101VHF (146174 MHz) Board Solder Side View (8486342Z13-C) .................................. 7-102VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486769Z04-C/05-D) .................................................................................................. 7-107VHF (146174 MHz) Receiver Front End Schematic Diagram (8486769Z04-C/05-D) 7-108VHF (146174 MHz) Receiver Back End Schematic Diagram (8486769Z04-C/05-D) 7-109VHF (146174 MHz) Synthesizer Schematic Diagram (8486769Z04-C/05-D) ............ 7-110VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z04-C/05-D) .................................................................................................. 7-111VHF (146174 MHz) Transmitter and Power Control Schematic Diagram (8486769Z04-C/05-D) .................................................................................................. 7-112

xviii List of Figures

January, 2012

Figure 7-80. VHF (146174 MHz) Controller Interconnect Schematic Diagram (8486769Z04-C/05-D) .................................................................................................. 7-113

Figure 7-81. VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z04-C/05-D) .................................................................................................. 7-114

Figure 7-82. VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486769Z04-C/05-D)........ 7-115Figure 7-83. VHF (146174 MHz) DC Regulation Schematic Diagram (8486769Z04-C/05-D)........ 7-116Figure 7-84. VHF (146174 MHz) Board Component Side View (8486769Z04-C/05-D) ................. 7-117Figure 7-85. VHF (146174 MHz) Board Solder Side View (8486769Z04-C/05-D) ......................... 7-118Figure 7-86. VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486769Z06-E)....... 7-123Figure 7-87. VHF (146174 MHz) Receiver Front End Schematic Diagram (8486769Z06-E) ......... 7-124Figure 7-88. VHF (146174 MHz) Receiver Back End Schematic Diagram (8486769Z06-E) ......... 7-125Figure 7-89. VHF (146174 MHz) Synthesizer Schematic Diagram (8486769Z06-E) ..................... 7-126Figure 7-90. VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram

(8486769Z06-E) ........................................................................................................... 7-127Figure 7-91. VHF (146174 MHz) Transmitter and Power Control Schematic Diagram

Figure 7-92.Figure 7-93.Figure 7-94.Figure 7-95.Figure 7-96.Figure 7-97.Figure 7-98.Figure 7-99.Figure 7-100.Figure 7-101.

Figure 7-102.

Figure 7-103.Figure 7-104.Figure 7-105.Figure 7-106.Figure 7-107.Figure 7-108.Figure 8-1.Figure 8-2.Figure 8-3.Figure 8-4.Figure 8-5.Figure 9-1.Figure 9-2.Figure 9-3.Figure 9-4.Figure 9-5.Figure 10-1.Figure 10-2.Figure 10-3.Figure 10-4.Figure 10-5.Figure 11-1.Figure 11-2.Figure 11-3.Figure 11-4.Figure 11-5.6880309N62-D

(8486769Z06-E) ........................................................................................................... 7-128VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z06-E) . 7-129VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486769Z06-E)................. 7-130VHF (146174 MHz) DC Regulation Schematic Diagram (8486769Z06-E)................. 7-131VHF (146174 MHz) Board Component Side View (8486769Z06-E) .......................... 7-132VHF (146174 MHz) Board Solder Side View (8486769Z06-E) .................................. 7-133VHF (146174 MHz) Radio Circuit Block Interconnect Diagram (8486769Z08-G) ...... 7-141VHF (146174 MHz) Receiver Front End Schematic Diagram (8486769Z08-G)......... 7-142VHF (146174 MHz) Receiver Back End Schematic Diagram (8486769Z08-G) ......... 7-143VHF (146174 MHz) Synthesizer Schematic Diagram (8486769Z08-G)..................... 7-144VHF (146174 MHz) Voltage Controlled Oscillator Schematic Diagram (8486769Z08-G) ........................................................................................................... 7-145VHF (146174 MHz) Transmitter and Power Control Schematic Diagram (8486769Z08-G) ........................................................................................................... 7-146VHF (146174 MHz) Controller Interconnect Schematic Diagram (8486769Z08-G) ... 7-147VHF (146174 MHz) Microprocessor Circuitry Schematic Diagram (8486769Z08-G).7-148VHF (146174 MHz) Audio Circuitry Schematic Diagram (8486769Z08-G) ................ 7-149VHF (146174 MHz) DC Regulation Schematic Diagram (8486769Z08-G) ................ 7-150VHF (146174 MHz) Board Component Side View (8486769Z08-G).......................... 7-151VHF (146174 MHz) Board Solder Side View (8486769Z08-G) .................................. 7-152UHF Receiver Block Diagram........................................................................................... 8-1UHF Transmitter Block Diagram....................................................................................... 8-3UHF Frequency Generation Unit Block Diagram.............................................................. 8-5UHF Synthesizer Block Diagram ...................................................................................... 8-6UHF VCO Block Diagram................................................................................................. 8-7UHF Receiver Block Diagram........................................................................................... 9-1UHF Transmitter Block Diagram....................................................................................... 9-3UHF Frequency Generation Unit Block Diagram.............................................................. 9-5UHF Synthesizer Block Diagram ...................................................................................... 9-6UHF VCO Block Diagram................................................................................................. 9-7UHF Receiver Block Diagram......................................................................................... 10-1UHF Transmitter Block Diagram..................................................................................... 10-3UHF Frequency Generation Unit Block Diagram............................................................ 10-5UHF Synthesizer Block Diagram .................................................................................... 10-6UHF VCO Block Diagram............................................................................................... 10-7UHF Receiver Block Diagram......................................................................................... 11-1UHF Transmitter Block Diagram..................................................................................... 11-3UHF Frequency Generation Unit Block Diagram............................................................ 11-5UHF Synthesizer Block Diagram .................................................................................... 11-6UHF VCO Block Diagram............................................................................................... 11-7

List of Figures xix

6880309N62-D

Figure 11-6. Keypad Block Diagram................................................................................................... 11-7Figure 13-1. Six-Layer Circuit Board: Copper Steps in Layer Sequence ........................................... 13-3Figure 13-2. Speaker and Microphone Schematic ............................................................................. 13-3Figure 13-3. UHF (403440 MHz) Radio Circuit Block Diagram (8486635Z03-O)............................. 13-5Figure 13-4. UHF (403440 MHz) Receiver Front End Schematic Diagram (8486635Z03-O) .......... 13-6Figure 13-5. UHF (403440 MHz) Receiver Back End Schematic Diagram (8486635Z03-O)........... 13-7Figure 13-6. UHF (403440 MHz) Synthesizer Schematic Diagram (8486635Z03-O) ...................... 13-8Figure 13-7. UHF (403440 MHz) Voltage Controlled Oscillator Schematic Diagram

(8486635Z03-O)............................................................................................................. 13-9Figure 13-8. UHF (403440 MHz) Transmitter and Power Control Schematic Diagram

(8486635Z03-O)........................................................................................................... 13-10Figure 13-9. UHF (403440 MHz) Controller Interconnect Schematic Diagram (8486635Z03-O)... 13-11Figure 13-10. UHF (403440 MHz) Microprocessor Circuitry Schematic Diagram (8486635Z03-O) 13-12Figure 13-11. UHF (403440MHz) Audio Circuitry Schematic Diagram (8486635Z03-O)................. 13-13Figure 13-12. UHF (403440 MHz) DC Regulation Schematic Diagram (8486635Z03-O)................ 13-14Figure 13-13.Figure 13-14.Figure 13-15.Figure 13-16.Figure 13-17.Figure 13-18.Figure 13-19.

Figure 13-20.

Figure 13-21.

Figure 13-22.

Figure 13-23.Figure 13-24.Figure 13-25.Figure 13-26.Figure 13-27.Figure 13-28.Figure 13-29.Figure 13-30.Figure 13-31.

Figure 13-32.

Figure 13-33.Figure 13-34.Figure 13-35.Figure 13-36.Figure 13-37.Figure 13-38.Figure 13-39.Figure 13-40.Figure 13-41.Figure 13-42.

Figure 13-43.

Figure 13-44.Figure 13-45.January, 2012

UHF (403440 MHz) Board Component Side View (8486635Z03-O) ......................... 13-15UHF (403440 MHz) Board Solder Side View (8486635Z03-O).................................. 13-16UHF (403440 MHz) Radio Circuit Block Diagram (8416205H02-C/03-D).................. 13-21UHF (403440 MHz) Receiver Front End Schematic Diagram (8416205H02-C/03-D)13-22UHF (403440 MHz) Receiver Back End Schematic Diagram (8416205H02-C/03-D) 13-23UHF (403440 MHz) Synthesizer Schematic Diagram (8416205H02-C/03-D) ........... 13-24UHF (403440 MHz) Voltage Controlled Oscillator Schematic Diagram (8416205H02-C/03-D).................................................................................................. 13-25UHF (403440 MHz) Transmitter and Power Control Schematic Diagram (8416205H02-C/03-D).................................................................................................. 13-26UHF (403440 MHz) Controller Interconnect Schematic Diagram (8416205H02-C/03-D).................................................................................................. 13-27UHF (403440 MHz) Microprocessor Circuitry Schematic Diagram (8416205H02-C/03-D).................................................................................................. 13-28UHF (403440 MHz) Audio Circuitry Schematic Diagram (8416205H02-C/03-D)....... 13-29UHF (403440 MHz) DC Regulation Schematic Diagram (8416205H02-C/03-D)....... 13-30UHF (403440 MHz) Board Component Side View (8416205H02-C/03-D) ................ 13-31UHF (403440 MHz) Board Solder Side View (8416205H02-C/03-D)......................... 13-32UHF (403440 MHz) Radio Circuit Block Interconnect Diagram (8416205H04-F) ...... 13-37UHF (403440 MHz) Receiver Front End Schematic Diagram (8416205H04-F) ........ 13-38UHF (403440 MHz) Receiver Back End Schematic Diagram (8416205H04-F)......... 13-39UHF (403440 MHz) Synthesizer Schematic Diagram (8416205H04-F)..................... 13-40UHF (403440 MHz) Voltage Controlled Oscillator Schematic Diagram (8416205H04-F) ........................................................................................................... 13-41UHF (403440 MHz) Transmitter and Power Control Schematic Diagram (8416205H04-F) ........................................................................................................... 13-42UHF (403440 MHz) Microprocessor Circuitry Schematic Diagram (8416205H04-F). 13-43UHF (403440 MHz) Audio Circuitry Schematic Diagram (8416205H04-F) ................ 13-44UHF (403440 MHz) DC Regulation Schematic Diagram (8416205H04-F) ................ 13-45UHF (403440 MHz) Board Component Side View (8416205H04-F).......................... 13-46UHF (403440 MHz) Board Solder Side View (8416205H04-F).................................. 13-47UHF (438470 MHz) Radio Circuit Block Diagram (8486348Z09-A) ........................... 13-55UHF (438470 MHz) Receiver Front End Schematic Diagram (8486348Z09-A)......... 13-56UHF (438470 MHz) Receiver Back End Schematic Diagram (8486348Z09-A) ......... 13-57UHF (438470 MHz) Synthesizer Schematic Diagram (8486348Z09-A)..................... 13-58UHF (438470 MHz) Voltage Controlled Oscillator Schematic Diagram (8486348Z09-A) ........................................................................................................... 13-59UHF (438470 MHz) Transmitter and Power Control Schematic Diagram (8486348Z09-A) ........................................................................................................... 13-60UHF (438470 MHz) Controller Interconnect Schematic Diagram (8486348Z09-A) ... 13-61UHF (438470 MHz) Microprocessor Circuitry Schematic Diagram (8486348Z09-A) 13-62

xx List of Figures

January, 2012

Figure 13-46. UHF (438470 MHz) Audio Circuitry Schematic Diagram (8486348Z09-A) ................ 13-63Figure 13-47. UHF (438470 MHz) DC Regulation Schematic Diagram (8486348Z09-A) ................ 13-64Figure 13-48. UHF (438470 MHz) Board Component Side View (8486348Z09-A) .......................... 13-65Figure 13-49. UHF (438470 MHz) Board Solder Side View (8486348Z09-A) .................................. 13-66Figure 13-50. UHF (438470 MHz) Radio Circuit Block Diagram (8486348Z13-C) ........................... 13-71Figure 13-51. UHF (438470 MHz) Receiver Front End Schematic Diagram (8486348Z13-C)......... 13-72Figure 13-52. UHF (438470 MHz) Receiver Back End Schematic Diagram (8486348Z13-C) ......... 13-73Figure 13-53. UHF (438470 MHz) Synthesizer Schematic Diagram (8486348Z13-C)..................... 13-74Figure 13-54. UHF (438470 MHz) Voltage Controlled Oscillator Schematic Diagram

(8486348Z13-C) ........................................................................................................... 13-75Figure 13-55. UHF (438470 MHz) Transmitter and Power Control Schematic Diagram

(8486348Z13-C) ........................................................................................................... 13-76Figure 13-56. UHF (438470 MHz) Controller Interconnect Schematic Diagram (8486348Z13-C) ... 13-77Figure 13-57. UHF (438470 MHz) Microprocessor Circuitry Schematic Diagram (8486348Z13-C) 13-78Figure 13-58. UHF (438470 MHz) Audio Circuitry Schematic Diagram (8486348Z13-C) ................ 13-79Figure 13-59.Figure 13-60.Figure 13-61.Figure 13-62.Figure 13-63.Figure 13-64.Figure 13-65.Figure 13-66.

Figure 13-67.

Figure 13-68.

Figure 13-69.

Figure 13-70.Figure 13-71.Figure 13-72.Figure 13-73.Figure 13-74.Figure 13-75.Figure 13-76.Figure 13-77.Figure 13-78.

Figure 13-79.

Figure 13-80.

Figure 13-81.Figure 13-82.Figure 13-83.Figure 13-84.Figure 13-85.Figure 13-86.Figure 13-87.Figure 13-88.Figure 13-89.

Figure 13-90.6880309N62-D

UHF (438470 MHz) DC Regulation Schematic Diagram (8486348Z13-C) ................ 13-80UHF (438470 MHz) Board Component Side View (8486348Z13-C).......................... 13-81UHF (438470 MHz) Board Solder Side View (8486348Z13-C) .................................. 13-82UHF (438470 MHz) Radio Circuit Block Diagram (8416205H02-C/03-D).................. 13-87UHF (438470 MHz) Receiver Front End Schematic Diagram (8416205H02-C/03-D)13-88UHF (438470 MHz) Receiver Back End Schematic Diagram (8416205H02-C/03-D) 13-89UHF (438470 MHz) Synthesizer Schematic Diagram (8416205H02-C/03-D)............ 13-90UHF (438470 MHz) Voltage Controlled Oscillator Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-91UHF (438470 MHz) Transmitter and Power Control Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-92UHF (438470 MHz) Controller Interconnect Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-93UHF (438470 MHz) Microprocessor Circuitry Schematic Diagram (8416205H02-C/03-D) .................................................................................................. 13-94UHF (438470 MHz) Audio Circuitry Schematic Diagram (8416205H02-C/03-D) ....... 13-95UHF (438470 MHz) DC Regulation Schematic Diagram (8416205H02-C/03-D) ....... 13-96UHF (438470 MHz) Board Component Side View (8416205H02-C/03-D)................. 13-97UHF (438470 MHz) Board Solder Side View (8416205H02-C/03-D)......................... 13-98UHF (438470 MHz) Radio Circuit Block Interconnect Diagram (8416205H04-F) .... 13-103UHF (438470 MHz) Receiver Front End Schematic Diagram (8416205H04-F)....... 13-104UHF (438470 MHz) Receiver Back End Schematic Diagram (8416205H04-F) ....... 13-105UHF (438470 MHz) Synthesizer Schematic Diagram (8416205H04-F)................... 13-106UHF (438470 MHz) Voltage Controlled Oscillator Schematic Diagram (8416205H04-F) ......................................................................................................... 13-107UHF (438470 MHz) Transmitter and Power Control Schematic Diagram (8416205H04-F) ......................................................................................................... 13-108UHF (438470 MHz) Microprocessor Circuitry Schematic Diagram (8416205H04-F) ......................................................................................................... 13-109UHF (438470 MHz) Audio Circuitry Schematic Diagram (8416205H04-F) .............. 13-110UHF (438470 MHz) DC Regulation Schematic Diagram (8416205H04-F) .............. 13-111UHF (438470 MHz) Board Component Side View (8416205H04-F)........................ 13-112UHF (438470 MHz) Board Solder Side View (8416205H04-F) ................................ 13-113UHF (465495 MHz) Radio Circuit Block Diagram (8486634Z02-O)......................... 13-121UHF (465495 MHz) Receiver Front End Schematic Diagram (8486634Z02-O) ...... 13-122UHF (465495 MHz) Receiver Back End Schematic Diagram (8486634Z02-O)....... 13-123UHF (465495 MHz) Synthesizer Schematic Diagram (8486634Z02-O)................... 13-124UHF (465495 MHz) Voltage Controlled Oscillator Schematic Diagram (8486634Z02-O) ......................................................................................................... 13-125UHF (465495 MHz) Transmitter and Power Control Schematic Diagram (8486634Z02-O) ......................................................................................................... 13-126

List of Figures xxi

6880309N62-D

Figure 13-91. UHF (465495 MHz) Controller Interconnect Schematic Diagram (8486634Z02-O). 13-127Figure 13-92. UHF (465495 MHz) Microprocessor Circuitry Schematic Diagram

(8486634Z02-O)......................................................................................................... 13-128Figure 13-93. UHF (465495 MHz) Audio Circuitry Schematic Diagram (8486634Z02-O).............. 13-129Figure 13-94. UHF (465495 MHz) DC Regulation Schematic Diagram (8486634Z02-O).............. 13-130Figure 13-95. UHF (465495 MHz) Board Component Side View (8486634Z02-O) ....................... 13-131Figure 13-96. UHF (465495 MHz) Board Solder Side View (8486634Z02-O)................................ 13-132Figure 13-97. UHF (465495 MHz) Radio Circuit Block Diagram (8416847H01-A/02-B) ................ 13-137Figure 13-98. UHF (465495 MHz) Receiver Front End Schematic Diagram

(8416847H01-A/02-B) ................................................................................................ 13-138Figure 13-99. UHF (465495 MHz) Receiver Back End Schematic Diagram

(8416847H01-A/02-B) ................................................................................................ 13-139Figure 13-100.UHF (465495 MHz) Synthesizer Schematic Diagram (8416847H01-A/02-B).......... 13-140Figure 13-101.UHF (465495 MHz) Voltage Controlled Oscillator Schematic Diagram

(8416847H01-A/02-B) ................................................................................................ 13-141Figure 13-102.

Figure 13-103.

Figure 13-104.

Figure 13-105.Figure 13-106.Figure 13-107.Figure 13-108.Figure 13-109.Figure 13-110.Figure 13-111.Figure 13-112.Figure 13-113.

Figure 13-114.

Figure 13-115.Figure 13-116.

Figure 13-117.Figure 13-118.Figure 13-119.Figure 13-120.Figure 13-121.Figure 13-122.Figure 13-123.Figure 13-124.Figure 13-125.

Figure 13-126.

Figure 13-127.

Figure 13-128.

Figure 13-129.Figure 13-130.Figure 13-131.Figure 13-132.January, 2012

UHF (465495 MHz) Transmitter and Power Control Schematic Diagram (8416847H01-A/02-B) ................................................................................................ 13-142UHF (465495 MHz) Controller Interconnect Schematic Diagram (8416847H01-A/02-B) ....................................................................