Ericsson LPE-200 manual RF Regulators

Page 44

AE/LZB 119 1902 R1A	SCHEMATIC DIAGRAM

RF Regulators

(1911-ROA 117 2297, Sheet 7, Rev. B)

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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 Circuit Analysis SoftwareReceiver RX Front EndRx Back End Phase Digitizer D701 Audio Power Amplifier N600Digital I/O Lines DSP ModuleTX/Converter/Modulator N150 TransmitterTransmit Frequency Generation Power Amplifier N101 Power Sensor Circuit N102-ASAW Transmit Band Pass Filter Directional Coupler W100Synthesizer DC Power Distribution Tx Switch + Switch+5V-D Switching Regulator N902 Analog Regulator N900Service LCD Negative Bias GeneratorEquipment Required ProgrammingFlash Programming Programming ModeBasic Troubleshooting Symptom Possible Cause/Action Required General TroubleshootingTransmit Path Test Points and Levels Error Codes Introduction Error Code OverviewError Code Format Fatal ErrorsNon-Fatal Errors Special Error CodesError Codes Specific 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