Parts List

VHF Enhanced Transmitter Instruction Manual VT-3 132 - 174 MHz iii
TABLE OF CONTENTS
Page
1 GENERAL................................................................................................................. 1-1
1.1 Introduction .................................................................................................... 1-1
1.2 Manual Organization ...................................................................................... 1-1
1.3 VT-3 132 - 174 MHz Transmitter Family Models.......................................... 1-2
1.4 Performance Specifications ............................................................................. 1-3
1.4.1 General............................................................................................... 1-3
1.4.2 Audio Specifications ........................................................................... 1-4
1.4.3 Physical Specifications ....................................................................... 1-5
2 SYSTEM OVERVIEW .............................................................................................. 2-1
2.1 Transmitter Operation..................................................................................... 2-1
2.2 Frequency Selection ........................................................................................ 2-3
2.2.1 Synthesizer Transmitter .................................................................... 2-3
2.3 Transmitter Assembly and Adjustment ........................................................... 2-4
2.3.1 Complete Transmitter Alignment ........................................................ 2-4
2.3.2 Frequency Change.............................................................................. 2-5
2.3.3 Output Power Adjustment ................................................................... 2-5
2.3.4 Deviation Setting ................................................................................. 2-6
2.3.5 Setting RF Alarm Thresholds ............................................................. 2-6
2.4 Recommended Test Equipment List................................................................ 2-6
2.5 Repair Note..................................................................................................... 2-7
2.6 Printed Circuitboard Numbering Convention .................................................. 2-7
3 ILLUSTRATIONS..................................................................................................... 3-1
3.1 MT-3 Transmitter Front Panel........................................................................ 3-1
3.2 MT-3 Transmitter Case - Exploded View ....................................................... 3-2
4 PARTS LIST.............................................................................................................. 4-1
5 REVISION HISTORY............................................................................................... 5-1
MODULE MANUALS
Transmitter Main Board Instruction Manual ......................................IM20-MT3TXMN
VHF Amplifier Instruction Manual VT-3 132 - 174 MHz................IM21-VT3150AMP
Enhanced Synthsizer Instruction Manual OS(R/T)-3A/H 29-470 MHz .. IM10-OS3AH
VHF Transmitter Channel Designation Table ..................................... IM21-VT3150CT