Table Of Contents - Motorola HT1250-LS+ Service Manual

Table of Contents

Product Safety and RF Exposure Compliance
Chapter 1 Introduction
1.1 Scope of Manual .................................................................................................... 1-1
1.2 Warranty and Service Support ............................................................................... 1-1
1.2.1 Warranty Period .................................................................................................. 1-1
1.2.2 Return Instructions .............................................................................................. 1-1
1.2.3 After Warranty Period.......................................................................................... 1-1
1.3 Related Documents................................................................................................ 1-2
1.4 Technical Support .................................................................................................. 1-2
1.4.1 Piece Parts Availability ........................................................................................ 1-2
1.5 Radio Model Chart and Specifications ................................................................... 1-3
1.6 Radio Model Information ........................................................................................ 1-3
Chapter 2 Intrinsically Safe Radio Information
2.1 FMRC Approved Equipment .................................................................................. 2-1
2.2 Repair of FMRC Approved Products...................................................................... 2-2
2.2.1 Repair.................................................................................................................. 2-2
2.2.2 Relabeling ........................................................................................................... 2-2
2.2.3 Do Not Substitute Options or Accessories .......................................................... 2-2
Chapter 3 Theory of Operation
3.1 Introduction ............................................................................................................ 3-1
3.2 Radio Power Distribution........................................................................................ 3-1
3.3 Keypad/PassPort Option Board ............................................................................. 3-2
3.4 Controller................................................................................................................ 3-3
3.4.1 MCU Digital ......................................................................................................... 3-3
3.4.2 Real Time Clock .................................................................................................. 3-4
3.4.3 Circuit Description ............................................................................................... 3-4
3.4.4 MODB/VSTBY Supply......................................................................................... 3-4
3.4.5 Audio/Signaling ................................................................................................... 3-5
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