Maintenance Manual | Ericsson LPE-200 instruction

Maintenance Manual

LPE-200

SCAN And SYSTEM

PORTABLE RADIOS 900 MHz

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Ericsson LPE-200 manual Maintenance Manual

Contents

Maintenance Manual AE/LZB 119 1902 R1A DEC Original issue Table of Contents General Error Codes Specific Transmit Receive Description Mechanical Options and Accessories Controls Operation SCN Keypad SCAN/SYSTEM FunctionsOPT Software Circuit AnalysisReceiver RX Front End Rx Back End Audio Power Amplifier N600 Phase Digitizer D701Digital I/O Lines DSP Module Transmit Frequency Generation TransmitterTX/Converter/Modulator N150 Power Sensor Circuit N102-A Power Amplifier N101SAW Transmit Band Pass Filter Directional Coupler W100 Synthesizer DC Power Distribution + Switch Tx Switch+5V-D Switching Regulator N902 Analog Regulator N900 LCD Negative Bias Generator ServiceEquipment Required Programming Basic Troubleshooting Programming ModeFlash Programming General Troubleshooting Symptom Possible Cause/Action Required Transmit Path Test Points and Levels Error Code Overview Error Codes IntroductionError Code Format Fatal Errors Special Error Codes Non-Fatal ErrorsError Codes Specific Hardware Fatal System Errors Operational Software Fatal System Errors Operational Software Non-Fatal System Errors Radio Errors That Are Returned From The Bootloader Software Radio Programming ErrorsMessage Code Description AE/LZB 119 1902 R1A To disassemble the LPE-200 radio Disassembly Procedure Push Battery Contacts Filters Z400 And Z401 Replacement PA Module ReplacementReassembly Radio, 900 MHz Assembly Diagram and Parts List Front Assembly Scan SXK 107 Front Assembly Scan Front Assembly System Rear Assembly SXK 107 Radio Rear Assembly ROA 117 MHz Main Circuit Board Assembly MHz Circuit Board Front Side Back 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