Digital I/O Lines to RF Section | Ericsson LPE-200 manual

SCHEMATIC DIAGRAM	AE/LZB 119 1902 R1A

Digital I/O Lines to RF Section

(1911-ROA 117 2297, Sheet 8, Rev. B)

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Ericsson LPE-200 manual Digital I/O Lines to RF Section

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 Keypad SCAN/SYSTEM Functions SCNOPT Software Circuit AnalysisReceiver RX Front End Rx Back End Audio Power Amplifier N600 Phase Digitizer D701Digital I/O Lines DSP Module Transmitter Transmit Frequency GenerationTX/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 Programming Mode Basic TroubleshootingFlash 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 Programming Errors Radio Errors That Are Returned From The Bootloader SoftwareMessage Code Description AE/LZB 119 1902 R1A To disassemble the LPE-200 radio Disassembly Procedure Push Battery Contacts PA Module Replacement Filters Z400 And Z401 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