Ericsson LPE-200 - Manual

Ericsson LPE-200

Ericsson LPE-200 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Original issue
  • Page 3 – TABLE OF CONTENTS
  • Page 4 – GENERAL
  • Page 5 – SPECIFICATIONS; RECEIVE
  • Page 6 – DESCRIPTION; trunked or conventional communications; Keypad
  • Page 7 – MECHANICAL; The radios are packaged in a polycarbonate blend; OPTIONS AND ACCESSORIES; PART NUMBER; Batteries
  • Page 8 – OPERATION; CONTROLS
  • Page 9 – KEYPAD SCAN/SYSTEM FUNCTIONS; Figure 2 - Scan Keypad; Key; SCN; key is used to select additional
  • Page 10 – CIRCUIT ANALYSIS; SOFTWARE
  • Page 11 – Rx Back End; The Receiver Signal Strength Indicator (RSSI) circuitry
  • Page 13 – The main VCO, in the synthesizer circuit, is; Transmit Offset; When the transmitter is keyed, transistor V152 conducts; Single Side Band Mixer; The main VCO frequency is amplified then passed; Low Pass Filters; There are two modulating inputs from HILLARY, one; Figure 4 - Frequency Generation
  • Page 14 – When transmitting, the collector voltage for transistor; SAW Transmit Band Pass Filter 2; The output of the MMIC Buffer amplifier is fed to the; Figure 5 - Power Amplifier; RF Input; Figure 6 - Directional Coupler; The power sensor circuit consist of part of W100,
  • Page 15 – A regulated 5.5 Vdc is applied to power control buffer; Transmit Modulation; The microphone input is through capacitor C300 and; SYNTHESIZER; There are two synthesizers in the synthesizer circuit.; ) causing N201 to switch in the; Main Voltage Controlled Oscillator (U200)
  • Page 16 – DC POWER DISTRIBUTION
  • Page 18 – LCD NEGATIVE BIAS GENERATOR; SERVICE; EQUIPMENT REQUIRED; Equipment Description; PROGRAMMING
  • Page 19 – Figure 7 - Programming And Test Equipment Setup
  • Page 20 – Table 1 - General Troubleshooting; Symptom; Receiver inoperative or weak.; or
  • Page 21 – Figure 8 - Transmit Path - Test Points and Levels
  • Page 22 – message; xxxx; Fatal Errors
  • Page 24 – Operational Software Fatal System Errors; Error Name
  • Page 25 – Operational Software Non-Fatal System Errors
  • Page 26 – Radio Programming Errors
  • Page 28 – DISASSEMBLY PROCEDURE
  • Page 29 – Using a flat blade screwdriver, push on the battery; Figure 13 - Push Battery Contacts; Carefully unplug the small flex at the top of the radio; Figure 14 - Board/Shield Separated From Metal Frame; Remove the board from the shield by prying up on a; Figure 15 - Separating Board From Shield; To remove the switch assembly use a small flat blade; Figure 16 - Removing the Switch Assembly; NOTE
  • Page 30 – PA Module Replacement
  • Page 31 – ASSEMBLY DIAGRAM AND PARTS LIST
  • Page 34 – Rear Assembly
  • Page 35 – 00 MHz Main Board Assembly
  • Page 36 – FRONT SIDE
  • Page 37 – BACK SIDE
  • Page 47 – SCHEMATIC DIAGRAM
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Maintenance Manual

LPE-200
SCAN And SYSTEM

PORTABLE RADIOS
900 MHz

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Summary

Page 2 - Original issue

AE/LZB 119 1902 R1A 2 MANUAL REVISION HISTORY REVISION DATE REASON FOR CHANGE R1A DEC 1996 Original issue NOTICE! This manual covers Ericsson and General Electric products manufactured and sold by Ericsson Inc. NOTICE! Repairs to this equipment should be made only by an authorized service technician...

Page 3 - TABLE OF CONTENTS

AE/LZB 119 1902 R1A 3 SPECIFICATIONS...................................................................................................................................................................... 4 GENERAL ..........................................................................................

Page 4 - GENERAL

AE/LZB 119 1902 R1A 4 BASIC TROUBLESHOOTING ............................................................................................................................................ 19ERROR CODES INTRODUCTION ...........................................................................................

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