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©2011 Broadcast Electronics
Table of Contents
1 Introduction ............................................................................................ 1
1.1 SPECIFICATIONS & ORDERING .................................................................. 1
1.2 Available OPTIONS for the SR-30/SR-40A Receivers ................................... 3
1.3 UNPACKING & INSPECTING ...................................................................... 3
2 Installation .............................................................................................. 4
2.1 STANDARD CONNECTIONS ...................................................................... 4
2.2 Mobile Repeater Connections .................................................................. 7
3 ANTENNAS ............................................................................................... 8
3.1 BASE STATION ANTENNA INSTALLATION CHECKLIST ................................ 9
4 OPERATION ............................................................................................ 11
4.1 CONTROLS AND INDICATORS ................................................................ 11
4.2 INITIAL START–UP AND OPERATION ....................................................... 15
5 THEORY OF OPERATION .......................................................................... 17
5.1 Converter, 913–2132–150/–240/–330/–450/–950 .................................. 17
5.2 IF Bandpass Filter, 800–207 ................................................................... 17
5.3 IF Amplifier/Detector, 800–208 .............................................................. 17
5.4 Audio Amplifier, 800–228 ..................................................................... 17
5.5 Tone Decoder, 800–229 ........................................................................ 17
5.6 Input/Output Filter, 800–193AD ............................................................ 19
5.7 Front Panel Circuit Board Assembly, 953–2130–001/–002 ...................... 19
6 TEST EQUIPMENT ................................................................................... 20
7 TOOLS FOR ALIGNMENT ......................................................................... 20
8
TUNE–UP AND ADJUSTMENTS ................................................................ 21
8.1 IF Amplifier/Detector Circuit Board Adjustments ..................................... 21
8.2 Decode Board Circuit Board Adjustments ............................................... 21
8.3 POWER SUPPLY/METER CALIBRATION .................................................... 22
9
SR 30 BILL OF MATERIAL ....................................................................... 23
10 SR 40A BILL OF MATERIAL ..................................................................... 33
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