To Next Page

To Previous Page

8-14 Maintenance: UHF Band 1 Troubleshooting Charts

8.10.7 Troubleshooting Flow Chart for Transmitter

START

No Power

Is There B+

Bias for Ant

switch

Check Q111

Is Current

OK?

Is Control Voltage

High or Low

Check PCIC

1. Check Pin Diodes

2. Check Harmonic Filter

Inspect/Repair Tx

Output Network

Is Power

OK?

Done

Check Drive to

Module

Is Drive

OK?

Troubleshoot

VCO

Inspect PA Network/

Check Power Out of

U101 at Cap C160

Is Power

OK?

Replace U101

Is Power

OK?

Replace Q101

Done

Yes

Low

High

Yes

Default Chapter2
Chapter 1 Introduction25
Chapter 2 Radio Power Distribution29
- Figure 2-1. DC Power Distribution Block Diagram29
Chapter 3 Keypad31
Chapter 4 UHF Band 1 Theory of Operation35
Chapter 5 UHF Band 2 Theory of Operation43
Chapter 6 VHF Theory of Operation51
Chapter 7 Low Band, 800 Mhz, Passport & 900 Mhz Theory of Operation63
Chapter 8 Maintenance91
Chapter 9 Schematic Diagrams, Overlays, and Parts Lists151

Battery Type	Li-Ion
Waterproof	IP54
Operating Temperature	-30°C to +60°C
Frequency Range	VHF: 136-174 MHz
Number of Channels	16

Motorola HT Series User Manual

Table of Contents

Other manuals for Motorola HT Series

Questions and Answers:

Motorola HT Series Specifications

Related product manuals