Ericsson LBI-39175A - Manual

Ericsson LBI-39175A

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Table of Contents:

  • Page 2 – TRANSMITTER
  • Page 3 – MAINTENANCE; PREVENTIVE MAINTENANCE; Table 1 - Maintenance Checks
  • Page 4 – DISASSEMBLY PROCEDURE; To Remove the Unit from the Mounting Bracket; NOTE
  • Page 5 – To Re-Assemble Unit after Servicing; Essentially follow the reverse of the preceding; Remove dust and dirt from the black O-Ring gasket.; CAUTION
  • Page 7 – ALIGNMENT PROCEDURES; INTRODUCTION; All operations of this radio are controlled by an
  • Page 10 – SETTING TRACKING DATA; SITUATION
  • Page 11 – TRANSMITTER ALIGNMENT; The Transmitter consists of synthesizer, exciter,; PA TRANSISTOR REPLACEMENT; To Replace the PA RF Transistors; Unsolder one lead at a time with a 50-watt soldering
  • Page 12 – RECEIVER ALIGNMENT; TEST EQUIPMENT REQUIRED; Receiver Frequency Adjustment
  • Page 13 – SQUELCH ADJUSTMENT; TROUBLESHOOTING GUIDE
  • Page 14 – SERVICEABLE PARTS; Radio Unit - Power Amplifier 55 Watts CAH-515L
  • Page 15 – DIAGNOSTIC PROCEDURES; This product can be easily measured for maintenance
  • Page 16 – ADDITIONAL TOOLS REQUIRED; Digital Voltmeter; SYMPTOM
  • Page 17 – RECEIVER
  • Page 18 – CONTROL UNIT
  • Page 19 – GENERAL; ERROR CODES; All System Groups ORION
  • Page 20 – FATAL ERRORS; ERROR MESSAGE
  • Page 21 – ROM Fatal Systems Errors; correct the problem the radio must be serviced.; Operational Software Non-Fatal System Errors
  • Page 22 – Operational Software Fatal System Errors
  • Page 23 – Radio Programming Errors; Programming errors are divided into three categories:
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LBI-39175A

ericssonz

SERVICE SECTION

ORION™

136-174 MHz Dual Bandwidth

SYNTHESIZED TWO-WAY FM RADIO

TABLE OF CONTENTS

Page

DESCRIPTION ........................................................................................................................... 2

INITIAL MEASUREMENTS ..................................................................................................... 2

TRANSMITTER ........................................................................................................... 2
RECEIVER.................................................................................................................... 2

MAINTENANCE ........................................................................................................................ 3

PREVENTIVE MAINTENANCE ................................................................................ 3
DISASSEMBLY PROCEDURE ................................................................................... 4

ALIGNMENT PROCEDURES ................................................................................................... 7

INTRODUCTION ......................................................................................................... 7
TRACKING DATA....................................................................................................... 9
TEST FREQUENCIES.................................................................................................. 9
SETTING TRACKING DATA ..................................................................................... 10

TRANSMITTER ALIGNMENT ................................................................................................. 11

PA TRANSISTOR REPLACEMENT........................................................................... 11

RECEIVER ALIGNMENT ......................................................................................................... 12

TEST EQUIPMENT REQUIRED ................................................................................ 12
ADJUSTMENT PROCEDURES .................................................................................. 12
SQUELCH ADJUSTMENT .......................................................................................... 13

TROUBLESHOOTING GUIDE ................................................................................................. 13

INTRODUCTION ......................................................................................................... 13
MICROPHONICS ......................................................................................................... 13
SERVICEABLE PARTS ............................................................................................... 14

DIAGNOSTIC PROCEDURES .................................................................................................. 15

ADDITIONAL TOOLS REQUIRED............................................................................ 16
ERROR CODES ............................................................................................................ 19

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Summary

Page 2 - TRANSMITTER

LBI-39175A 2 DESCRIPTION This section contains the information required to service the ORION VHF Dual Bandwidth two-way FMradio. Included are disassembly procedures, alignmentprocedures, and troubleshooting information (see Table ofContents). This radio is adjusted by setting personality parameters ...

Page 3 - MAINTENANCE; PREVENTIVE MAINTENANCE; Table 1 - Maintenance Checks

LBI-39175A 3 MAINTENANCE PREVENTIVE MAINTENANCE To ensure high operating efficiency, and to prevent mechanical and electrical failures from interrupting systemoperations, routine checks should be made of all mechanical and electrical equipment at regular intervals. Thispreventive maintenance should ...

Page 4 - DISASSEMBLY PROCEDURE; To Remove the Unit from the Mounting Bracket; NOTE

LBI-39175A 4 DISASSEMBLY PROCEDURE To Remove the Unit from the Mounting Bracket 1. Remove Microphone, Power, and Accessory/RemoteControl Cables, as required. 2. Remove the lock screws at the side of the radio unit, using a No. 20 TORX  driver. 3. Pull the radio, and remove the mounting bracket. To ...

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