Motorola DR 3000 Disassembly of Receive Radio, Disassembly of Connector Board Assembly

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5-10	Disassembly/Reassembly Procedures: Disassembly Procedures — Detailed

5.6.5.1 Disassembly of Receive Radio

(after Receive radio assembly is removed from repeater)

1.With assembly on a flat surface, loosen and remove the two M5 screws and washers that secure the Receive radio to the bracket using a T25 TORX™ driver.

2.Slide the Receive radio out of the bracket.

5.6.5.2Disassembly of Connector Board Assembly

(after Receive radio assembly is removed from repeater)

1.With assembly on a flat surface, detach the connector board assembly from Receive radio assembly by removing the five M3 screws using a T10 TORX™ driver.

2.Store connector board assembly in anti-static bag when it is not being serviced.

5.6.5.3Disassembly of Power Supply

(after Receive radio assembly is removed from repeater)

1.With assembly on a flat surface, loosen and remove the four M5 screws and washers that secure the power supply to the bracket using a T25 TORX™ driver.

2.Slide power supply out from bracket.

3.Disconnect Y-split cable from power supply before sending to manufacturer.

NOTE: Power Supply should be serviced by manufacturer.

February 21, 2007

6866576D03-A

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Contents Mototrbo Repeater UHF Range 1 Mototrbo Repeater Product Safety and RF Exposure Compliance ForewordDocument History February 21 Table of Contents Appendix a Emea Regional Warranty, Service and Support Chapter Basic TroubleshootingGlossary Glossary-1 List of Figures List of Tables Related Publications Notations Used in This Manual IntroductionRepeater Description Mototrbo Repeater Model Numbering Scheme AA MModel Description MDM27QPR9JA7ANSpecifications UHF1Transmitter Introduction Specifications Test Equipment and Service Aids Recommended Test EquipmentService Aids Programming CablesWire Diagram Test Equipment and Service Aids Programming Cables General Transceiver Performance TestingSetup AM, CW, FM FMSinad Repeater Tuning and Programming Customer Programming Software SetupRepeater Tuning Setup ACC USBCleaning Procedures Disassembly/Reassembly ProceduresPreventive Maintenance InspectionSafe Handling of Cmos and Ldmos Devices U t i o nRepair Procedures and Techniques General Lead Free Solder Paste Part Number ListDisassembly of Cover Disassembly Procedures DetailedDisassembling and Reassembling the Repeater General Disassembly of Repeater Indicator Board Disassembly of Fan Repeater Indicator Board DisassemblyTx Radio Disassembly Removing Transmit RadioRemoving Thermal Pad and Heatsink Receive Radio Removal Disassembly of Connector Board Assembly Disassembly of Receive RadioDisassembly of Power Supply Transmit and Receive Radio Disassembly Detailed Transceiver Board and Receiver Board RemovalRF/DC Retention Clips Removal 10. Transceiver Board Removal Transmit and Receive Radio Reassembly Detailed 12. Transceiver Board with Thermal PadsTransceiver Board and Receiver Board Reassembly OccurRF/DC Retention Clips17. Assembling of PA Pad and O-ring 18. Assembling Die Cast Cover onto Chassis Thermal Pad Replacement Procedure 19. Screw Sequence to Tighten Die Cast Cover22. Placing Thermal Pads on PA and Transistor Components Reassembly of Connector Board Assembly Reassembly of Power SupplyReassembly of Receive Radio Reassembly of the Receive Bracket Assembly to the EnclosureReassembly of Transmit Radio Replacing the Thermal Pad and HeatsinkReassembly of Repeater Indicator Board Reassembly of FanReassembly of Cover Repeater Exploded Mechanical Views and Parts Lists 24. Repeater Assembly Exploded View25. Receive Bracket and Radio Assembly Exploded View 6866576D03-A Torque Chart Disassembly/Reassembly Procedures Torque Chart Replacement Service Kit Procedures Basic TroubleshootingHigh Power RF Precaution LED Indicator Descriptions LEDWarranty Period and Return Instructions Warranty and Service SupportAfter Warranty Period European Radio Support Centre Ersc Piece PartsTechnical Support Further Assistance From MotorolaEmea Regional Warranty, Service and Technical Support Glossary UHF TOTTPL VIP@6866576D03@