Motorola Comprehensive Guide to Disassembly and Reassembly Procedures for Two-Way Radios

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5-6	Disassembly/Reassembly Procedures: Disassembly Procedures — Detailed

7. Store Repeater Indicator Board in an anti-static bag when it is not being serviced.

Front Panel

M6 Screws (4)

Repeater Indicator Board

Light Guide

M3 Screws (4)

Figure 5-3. Repeater Indicator Board Disassembly

5.6.3Disassembly of Fan

1.Unplug the fan cable from the mating connector on the connector board assembly.

2.Detach the fan assembly by removing the four screws that secure the fan grill and fan assembly to the back of the enclosure using a T15 TORX™ driver.

3.Carefully remove fan, noting position of arrow which identifies direction of air flow. This is important for reassembly.

Screws

Position of arrow

Fan

Back of Enclosure

Figure 5-4. Fan Orientation

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 Chapter Basic Troubleshooting Appendix a Emea Regional Warranty, Service and SupportGlossary Glossary-1 List of Figures List of Tables Related Publications Introduction Notations Used in This ManualRepeater 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 n Repair Procedures and Techniques General Lead Free Solder Paste Part Number ListDisassembly Procedures Detailed Disassembly of CoverDisassembling 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 Receive Radio Disassembly of Connector Board AssemblyDisassembly 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 Fan Reassembly of Repeater Indicator BoardReassembly 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 Basic Troubleshooting Replacement Service Kit ProceduresHigh Power RF Precaution LED Indicator Descriptions LEDWarranty and Service Support Warranty Period and Return InstructionsAfter 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@