Receiver Back End | Ericsson LPE-200 specs

SCHEMATIC DIAGRAM	AE/LZB 119 1902 R1A

Receiver Back End

(1911-ROA 117 2297, Sheet 6, Rev. B)

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Ericsson LPE-200 manual Receiver Back End

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 RX Front End Circuit AnalysisSoftware Receiver Rx Back End DSP Module Phase Digitizer D701Audio Power Amplifier N600 Digital I/O Lines Transmit Frequency Generation TransmitterTX/Converter/Modulator N150 Directional Coupler W100 Power Amplifier N101Power Sensor Circuit N102-A SAW Transmit Band Pass Filter Synthesizer DC Power Distribution Analog Regulator N900 Tx Switch+ Switch +5V-D Switching Regulator N902 Programming ServiceLCD Negative Bias Generator Equipment Required Basic Troubleshooting Programming ModeFlash Programming General Troubleshooting Symptom Possible Cause/Action Required Transmit Path Test Points and Levels Fatal Errors Error Codes IntroductionError Code Overview Error Code Format Hardware Fatal System Errors Non-Fatal ErrorsSpecial Error Codes Error Codes Specific 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