Motorola DR 3000 service manual Assembling of PA Pad and O-ring

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Disassembly/Reassembly Procedures: Transmit and Receive Radio Reassembly — Detailed	5-17

4.Place the PA pad on to the die cast cover by aligning the two holes in the PA pad with the alignment pins on the die cast cover.

5.Fit the O-ring onto the die cast cover securely. Refer to Figure 5-17.

O-ring

PA Pad

Die Cast Cover

Figure 5-17. Assembling of PA Pad and O-ring

6866576D03-A

February 21, 2007

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Contents Mototrbo Repeater UHF Range 1 Mototrbo Repeater Foreword Product Safety and RF Exposure ComplianceDocument History February 21 Table of Contents Glossary Glossary-1 Chapter Basic TroubleshootingAppendix a Emea Regional Warranty, Service and Support List of Figures List of Tables Related Publications Repeater Description IntroductionNotations Used in This Manual AA M Mototrbo Repeater Model Numbering SchemeMDM27QPR9JA7AN Model DescriptionUHF1 SpecificationsTransmitter Introduction Specifications Recommended Test Equipment Test Equipment and Service AidsProgramming Cables Service AidsWire Diagram Test Equipment and Service Aids Programming Cables Setup Transceiver Performance TestingGeneral AM, CW, FM FMSinad Customer Programming Software Setup Repeater Tuning and ProgrammingACC USB Repeater Tuning SetupPreventive Maintenance Disassembly/Reassembly ProceduresCleaning Procedures InspectionU t i o n Safe Handling of Cmos and Ldmos DevicesLead Free Solder Paste Part Number List Repair Procedures and Techniques GeneralDisassembling and Reassembling the Repeater General Disassembly Procedures DetailedDisassembly of Cover Disassembly of Repeater Indicator Board Repeater Indicator Board Disassembly Disassembly of FanRemoving Transmit Radio Tx Radio DisassemblyRemoving Thermal Pad and Heatsink Receive Radio Removal Disassembly of Power Supply Disassembly of Receive RadioDisassembly of Connector Board Assembly Transceiver Board and Receiver Board Removal Transmit and Receive Radio Disassembly DetailedRF/DC Retention Clips Removal 10. Transceiver Board Removal 12. Transceiver Board with Thermal Pads Transmit and Receive Radio Reassembly DetailedOccur Transceiver Board and Receiver Board ReassemblyRetention Clips RF/DC17. Assembling of PA Pad and O-ring 18. Assembling Die Cast Cover onto Chassis 19. Screw Sequence to Tighten Die Cast Cover Thermal Pad Replacement Procedure22. Placing Thermal Pads on PA and Transistor Components Reassembly of Receive Radio Reassembly of Power SupplyReassembly of Connector Board Assembly Reassembly of the Receive Bracket Assembly to the EnclosureReplacing the Thermal Pad and Heatsink Reassembly of Transmit RadioReassembly of Cover Reassembly of FanReassembly of Repeater Indicator Board 24. Repeater Assembly Exploded View Repeater Exploded Mechanical Views and Parts Lists25. Receive Bracket and Radio Assembly Exploded View 6866576D03-A Torque Chart Disassembly/Reassembly Procedures Torque Chart High Power RF Precaution Basic TroubleshootingReplacement Service Kit Procedures LED LED Indicator DescriptionsAfter Warranty Period Warranty and Service SupportWarranty Period and Return Instructions Piece Parts European Radio Support Centre ErscFurther Assistance From Motorola Technical SupportEmea Regional Warranty, Service and Technical Support Glossary TPL TOTUHF VIP@6866576D03@