Motorola MTP850, Service Manual

Page: 14 / 118

xiv MTP850 TETRA Handportable Terminal / Basic Service Manual
How to Configure the IFR 2968 Setup ....................................................................................................... 5.1-5
How to Configure the IFR 2968 Manual Test Screen ........................................................................... 5.1-7
RF Tests ..................................................................................................................................................... 5.1-8
Receiver Tests ...................................................................................................................................... 5.1-8
Transmitter Tests .................................................................................................................................. 5.1-8
Call Processing Test................................................................................................................................... 5.1-9
Talk Back .............................................................................................................................................. 5.1-9
Call to Mobile........................................................................................................................................ 5.1-9
Digital Duplex Test (Tx) .............................................................................................................................. 5.1-9
Manual Mode Testing ............................................................................................................................... 5.1-11
Preparation for Testing ....................................................................................................................... 5.1-11
Tests ................................................................................................................................................... 5.1-11
Charger Recognition Test................................................................................................................... 5.1-15
Service Flowchart..................................................................................................................................... 5.1-16
CHAPTER 5.2 TEST SETUP & TESTING 806-870MHz ...................... 5.2-1
Typical Test Setup ...................................................................................................................................... 5.2-2
Alternative Test Setup ................................................................................................................................ 5.2-3
Test Check List........................................................................................................................................... 5.2-3
Transmitter Tests ............................................................................................................................ 5.2-4
Call Processing Tests ..................................................................................................................... 5.2-4
Duplex Test..................................................................................................................................... 5.2-4
How to Configure the IFR 2968 Setup ....................................................................................................... 5.2-5
How to Configure the IFR 2968 Manual Test Screen ........................................................................... 5.2-7
RF Tests ..................................................................................................................................................... 5.2-8
Receiver Tests ...................................................................................................................................... 5.2-8
Transmitter Tests .................................................................................................................................. 5.2-8
Call Processing Test................................................................................................................................... 5.2-9
Talk Back .............................................................................................................................................. 5.2-9
Call to Mobile........................................................................................................................................ 5.2-9
Digital Duplex Test (Tx) .............................................................................................................................. 5.2-9
Manual Mode Testing ............................................................................................................................... 5.2-11
Preparation for Testing ....................................................................................................................... 5.2-11
Tests ................................................................................................................................................... 5.2-11
Charger Recognition Test................................................................................................................... 5.2-14
Service Flowchart..................................................................................................................................... 5.2-15
CHAPTER 6 MAINTENANCE ................................................................. 6-1
Preventive Maintenance................................................................................................................................ 6-1
Inspection .......................................................................................................................................... 6-1
Cleaning ............................................................................................................................................ 6-1
Cleaning External Plastic Surfaces ................................................................................................... 6-2
Cleaning Internal Circuit Boards and Components............................................................................ 6-2
Safe Handling of CMOS Devices .................................................................................................................. 6-2
Pre-baking of Integrated Circuits................................................................................................................... 6-3
Level 1 and Level 2 Maintenance ................................................................................................................. 6-4
Disassembling and Reassembling the Terminal Unit .................................................................................... 6-4
Protecting Static-Sensitive Devices......................................................................................................... 6-4
To create a proper ground ................................................................................................................. 6-5
To store or transport a circuit board................................................................................................... 6-5