Chapter 8 Schematics, Boards Overlays, and Parts Lists
This chapter contains the schematics, board overlays, and parts lists
for the APX 3000 radio. Use them in conjunction with the theory of
operation and the troubleshooting procedures, charts, and waveforms
to isolate a problem to the component level.
When schematics are viewed on line or as a PDF file, colors can be
seen that denote power and signal paths. The red color denotes
voltage paths, blue denotes the receive path, and green denotes the
transmit path.
The following tables list the pages where the schematics and board
overlays for the APX 3000 radio are found.
8.1
List of Transceiver Schematics and Board
Overlays
Table 8-1. List of Transceiver Schematics and Board Overlays
Transceiver Board Schematic/Board Layout
Page No.
UHF1
:
(84012513001)
Main Board Block
8-3
Transceiver (RF) Board Overall Schematic Blocks.
8-4
Antenna Switch Circuit
8-5
Transmitter HF Circuit
8-6
Power Amplifier Circuit
8-7
Automatic Level Control Circuit
8-8
Receiver Front End Circuit
8-9
Receiver Back End Mixer
8-10
Receiver Back End
8-11
Receiver VCO Circuit
8-12
Transmitter VCO Circuit
8-13
Frequency Generation Unit Circuit – 1 of 2
8-14
Frequency Generation Unit Circuit – 2 of 2
8-15
DC Circuit
8-16
Controller Overall Schematic Blocks
8-17
GPS Bluetooth Circuit – 1 of 2
8-18
GPS Bluetooth Circuit – 2 of 2
8-19
Top Control and JTAG Circuit
8-20
Lighting Control Circuit
8-21
GCAI and side control
8-22
Debugging and Display Connector
8-23
Connectors
8-24
CPLD Circuit
8-25
OMAP User Interface Circuit
8-26
Memory Interface
8-27
Audio Circuit
8-28
MAKO/DC Distribution Circuit
8-29
Serial Interface Circuit
8-30
Secure Circuit
8-31
700/800 MHz
:
84012501002
Main Board Block
8-61
Transceiver (RF) Board Overall Schematic
8-62
Receiver Back End
8-64
Frequency Generation Unit Circuit – 1 of 2
8-65
Frequency Generation Unit Circuit – 2 of 2
8-65
Automatic Level Control Circuit
8-66
VCO Circuit
8-67
Receiver Front End Circuit
8-68
Receiver Back End Mixer
8-69
Power Amplifier Circuit
8-70
DC Circuit
8-71
Antenna Switch Circuit
8-72
Transmitter HF Circuit
8-73
Controller Overall Schematic Blocks
8-74
Table 8-1. List of Transceiver Schematics and Board Overlays (Continued)
Transceiver Board Schematic/Board Layout
Page No.
GPS Bluetooth Circuit – 1 of 2
8-75
GPS Bluetooth Circuit – 2 of 2
8-76
Top Control and JTAG Circuit
8-77
Lighting Control Circuit
8-78
GCAI and side control
8-79
Debugging and Display Connector
8-80
Connectors
8-81
CPLD Circuit
8-82
OMAP User Interface Circuit
8-83
Memory Interface
8-84
Audio Circuit
8-85
MAKO/DC Distribution Circuit
8-86
Serial Interface Circuit
8-87
Secure Circuit
8-88
Transceiver (RF) Board Layout – Top Side
8-89
Transceiver (RF) Board Layout – Bottom Side
8-90
VHF
:
(84012512001_A)
Main Board Block
8-117
Transceiver (RF) Board Overall Schematic
8-118
ANTSWI Circuit
8-119
Transmitter HF Circuit
8-120
Power Amplifier Circuit
8-121
Automatic Level Control Circuit
8-122
Receiver Front End Circuit
8-123
Receiver Back End Mixer
8-124
Receiver Back End
8-125
Receiver VCO Circuit
8-126
Transmitter VCO Circuit
8-127
Table 8-1. List of Transceiver Schematics and Board Overlays (Continued)
Transceiver Board Schematic/Board Layout
Page No.
Summary of Contents for Astro APX 3000
Page 1: ...APXTM TWO WAY RADIOS APX 3000 DETAILED SERVICE MANUAL ...
Page 2: ......
Page 4: ...Notes ...
Page 6: ...vi Document History Notes ...
Page 10: ...x Table of Contents Notes ...
Page 12: ...xii List of Tables Notes ...
Page 18: ...xviii List of Figures Notes ...
Page 22: ...xxii CommercialWarranty Notes ...
Page 46: ...3 20 Theory of Operation Main Board Notes ...
Page 84: ...3 58 Theory of Operation Bluetooth Notes ...
Page 208: ...6 64 Troubleshooting Waveforms LF CW on Spectrum Analyzer Notes ...
Page 222: ...7 14 Troubleshooting Tables List of Board and IC Signals Notes ...
Page 282: ...8 60 Schematics Boards Overlays and Parts Lists Main Board Block UHF1 84012513001_A Notes ...
Page 390: ...8 168 Schematics Boards Overlays and Parts Lists Main Board Block VHF 84012512001_A Notes ...
Page 456: ...9 8 Debugging Fixture Powering up Covert Board Notes ...
Page 468: ...Glossary 10 Glossary Notes ...
Page 472: ...Index 4 Index Notes ...
Page 473: ......