Motorola MTR3000 Basic Service Manual

Table of Contents xi
Chapter 4 MTR3000 Power Amplifier .................................................. 4-1
4.1 Description................................................................................................................................... 4-1
4.1.1 General Description......................................................................................................... 4-1
4.1.1.1 Overview of Circuitry ........................................................................................ 4-1
4.1.1.2 Input and Output Connections.......................................................................... 4-2
4.2 Specifications............................................................................................................................... 4-3
4.3 Functional Theory Of Operation .................................................................................................. 4-3
4.4 Basic Troubleshooting ................................................................................................................. 4-7
4.4.1 Replacement Procedure.................................................................................................. 4-7
Chapter 5 MTR3000 Station Control Module...................................... 5-1
5.1 Description................................................................................................................................... 5-1
5.1.1 General Description......................................................................................................... 5-1
5.1.1.1 Input and Output Connections.......................................................................... 5-2
5.2 Functional Theory of Operation ................................................................................................... 5-2
5.2.1 Tx OMAP ......................................................................................................................... 5-2
5.2.1.1 External Memory .............................................................................................. 5-3
5.2.1.1.1 RAM ................................................................................................. 5-3
5.2.1.1.2 Flash................................................................................................. 5-3
5.2.1.2 Serial Peripheral Interface (SPI) ....................................................................... 5-3
5.2.1.3 Station Reference............................................................................................. 5-4
5.2.2 Rx OMAP......................................................................................................................... 5-4
5.2.3 MAKO .............................................................................................................................. 5-5
5.2.4 Field Programmable Gate Array (FPGA)......................................................................... 5-5
5.2.5 Audio ............................................................................................................................... 5-5
5.2.6 Ethernet Interface ............................................................................................................ 5-7
5.2.7 Backplane Interface Board .............................................................................................. 5-7
5.2.8 Exciter.............................................................................................................................. 5-7
5.2.9 Receiver .......................................................................................................................... 5-7
5.2.10 Front Panel (FP) Connectors........................................................................................... 5-8
5.2.11 Front Panel LEDs ..........................................................................................................5-10
5.2.12 Supply Voltage Circuitry ................................................................................................ 5-10
5.3 Basic Troubleshooting ............................................................................................................... 5-13
5.3.1 Replacement Procedure................................................................................................ 5-13
5.3.2 Post-Replacement Optimization Procedure .................................................................. 5-13
Chapter 6 MTR3000 Backplane ........................................................... 6-1
6.1 Description................................................................................................................................... 6-1
6.1.1 General Description......................................................................................................... 6-1
6.1.1.1 Location of Backplane Interface Board Connectors ......................................... 6-3
6.1.1.2 Backplane Interface Board Connectors Information ......................................... 6-4
6.2 Basic Troubleshooting ............................................................................................................... 6-26
6.2.1 Replacement Procedure................................................................................................ 6-26
6.2.2 Fuse Check and Replacement Procedure..................................................................... 6-26
6.2.2.1 14.2 VDC Internal and 14.2 VDC Accessory.................................................. 6-26

Motorola MTR3000 Specifications

General

Brand	Motorola
Model	MTR3000
Category	Accessories
Language	English