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PAMS Technical Documentation RPM-1 Series Transceivers Disassembly and Troubleshooting Issue 1 12/99 E Nokia Mobile Phones Ltd. RPM-1 Disassembly and Troubleshooting PAMS Technical Documentation AMENDMENT RECORD SHEET Amendment Date Inserted By Comments Number 12/99 OJuntune Original Page 2 E Nokia Mobile Phones Ltd. Issue 1 12/99 RPM-1 PAMS Technical Documentation Disassembly and Troubleshooting CONTENTS Page No Vocabulary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Disassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Tools and Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Remove Antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Open Top Cover Printed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 How to use the Opening Tool . . . . . . . . . . . . . . . . . . . . . . . . 9 Using Screwdriver as disassembly tool . . . . . . . . . . . . . . . . 10 Open Bottom Cover subassembly . . . . . . . . . . . . . . . . . . . . . . 11 Remove PCB from Extension Box subassembly . . . . . . . . . . 12 Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Install the PCB to Extension Box subassembly . . . . . . . . . 13 Assemble Bottom Cover subassembly . . . . . . . . . . . . . . . . . . 14 Close Top Cover Printed . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Push Antenna into the Extension Box subassembly . . . . . . . 15 Baseband Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Current Consumption in Fault Diagnostics . . . . . . . . . . . . . . . 16 Card Phone does not Communicate with the Host Computer 17 MCU Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Flasah Programming Initialization sequence . . .