Ericsson LPE-200 manual AE/LZB 119 1902 R1A, DEC Original issue

Page 2

AE/LZB 119 1902 R1A

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 or facility designated by the supplier. Any repairs, alterations or substitution of recommended parts made by the user to this equipment not approved by the manufacturer could void the user’s authority to operate the equipment in addition to the manufacturer’s warranty.

NOTICE!

The software contained in this device is copyrighted by Ericsson Inc. Unpublished rights are reserved under the copyright laws of the United States.

This manual is published by Ericsson Inc., without any warranty. Improvements and changes to this manual necessitated by typographical errors, inaccuracies of current information, or improvements to programs and/or equipment, may be made by Ericsson Inc., at any time and without notice. Such changes will be incorporated into new editions of this manual. No part of this manual may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, for any purpose, without the express written permission of Ericsson Inc.

Copyright© December 1996, Ericsson Inc.

2

Image 2
Contents Maintenance Manual DEC Original issue AE/LZB 119 1902 R1ATable of Contents Error Codes Specific GeneralReceive TransmitDescription Options and Accessories MechanicalOperation ControlsOPT Keypad SCAN/SYSTEM FunctionsSCN Receiver Circuit AnalysisSoftware RX Front EndRx Back End Digital I/O Lines Phase Digitizer D701Audio Power Amplifier N600 DSP ModuleTX/Converter/Modulator N150 TransmitterTransmit Frequency Generation SAW Transmit Band Pass Filter Power Amplifier N101Power Sensor Circuit N102-A Directional Coupler W100Synthesizer DC Power Distribution +5V-D Switching Regulator N902 Tx Switch+ Switch Analog Regulator N900Equipment Required ServiceLCD Negative Bias Generator ProgrammingFlash Programming Programming ModeBasic Troubleshooting Symptom Possible Cause/Action Required General TroubleshootingTransmit Path Test Points and Levels Error Code Format Error Codes IntroductionError Code Overview Fatal ErrorsError Codes Specific Non-Fatal ErrorsSpecial Error Codes Hardware Fatal System ErrorsOperational Software Fatal System Errors Operational Software Non-Fatal System Errors Message Code Description Radio Programming ErrorsRadio Errors That Are Returned From The Bootloader Software AE/LZB 119 1902 R1A Disassembly Procedure To disassemble the LPE-200 radioPush Battery Contacts Reassembly PA Module ReplacementFilters Z400 And Z401 Replacement Assembly Diagram and Parts List Radio, 900 MHzFront Assembly Scan Front Assembly Scan SXK 107Front Assembly System Radio Rear Assembly Rear Assembly SXK 107MHz Main Circuit Board Assembly ROA 117Front Side MHz Circuit BoardBack Side Block Diagram Transmitter Transmit Offset Synthesizer Receiver Front End Receiver Back End RF Regulators Digital I/O Lines to RF Section Analog I/O Lines to RF Section TX/RX Audio ROA 117 2297, Sheet 11, Rev. B Flex Connector DSP Connectors System Memory Regulators/Power Switch LCD Bias, LED Driver, UDC SWA+ OUT Debbie D601 Hillary D701 Ericsson Inc