Tait Limited TEL0046 Betriebsanleitung

C5.2

T836/837 Fault Finding

Copyright TEL

5.7

5.7.1
5.7.1.1
5.7.1.2
5.7.1.3

5.7.2

5.7.3

5.7.4

5.7.5

5.7.6

5.7.7

Fault Finding Charts

Microcontroller

Basic Checks
Serial Communications
CTCSS Encode

Regulator

Synthesiser

T836 Drive Amplifier

T836 PA & Power Control

T837 Exciter Drive Amplifier

Audio Processor

5.8

5.8
5.8
5.9

5.10

5.11

5.12

5.15

5.16

5.17

5.18

5.8

To Replace The T836 PA Transistors (Q415 & Q425)

5.19

Figure

Title

Page

5.1

5.2

RF Diode Probe Circuit

Positioning Of Components Around Q425 & Q415

5.5

5.20

Section

Title

Page