Chapter 8 Schematics, Board Overlays, And Parts Lists - Vhf; List Of Schematics And Boards Overlays; List Of Partslist; Table 8-1. List Of Mainboard Schematics And Board Overlays - Motorola ASTRO XTSTM 4000 Detailed Service Manual

Schematics, Board Overlays, and Parts Lists – VHF: List of Schematics and Boards Overlays
Chapter 8 Schematics, Board Overlays, and Parts Lists – VHF
This chapter contains the schematics, board overlays, and parts lists
for the VHF XTS 4000 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.
The following tables list the pages where the schematics and board
overlays for the XTS 4000 radio are found.
8.1

List of Schematics and Boards Overlays

Table 8-1. List of Mainboard Schematics and Board Overlays

Board Schematic/Board Layout
General Section
Main Board Layout (NUD7115B) – Side 1
Main Board Layout (NUD7115B) – Side 2
Main Board Overall Schematic
Transceiver (RF) Section
Transceiver (RF) Board Overall Circuit Schematic
Antenna Switch and Harmonic Filter Circuits
Receiver Front End Circuit
Receiver Back End Circuit
Transmitter Circuits
Frequency Generation Unit (Synthesizer) Circuit
Frequency Generation Unit (VCO) Circuit
VOCON Section
Overall Circuit Schematic
Audio, Connector Interface Circuit
Controller and Memory Circuits
DC Power, Clocks and ON/OFF Circuit
Audio, and Accessory Interface Circuit
Miscellaneous Circuits
6871620L01-C
8.2

List of Partslist

Table 8-2. List of Partslist
PCB Board Main
VHF Main Board Parts List (NUD7115B)
Page No.
8-2
8-3
8-4
8-5
8-6
8-7
8-8
8-9
8-10
8-11
8-12
8-13
8-14
8-15
8-16
8-17
Page No.
8-18
8-1
May 28, 2008