Motorola DR 3000 service manual Test Equipment and Service Aids, Recommended Test Equipment

Page 17

Chapter 2 Test Equipment and Service Aids

2.1Recommended Test Equipment

The list of equipment contained in Table 2-1 includes most of the standard test equipment required for servicing Motorola repeaters.

Table 2-1. Recommended Test Equipment

Equipment

Characteristic

Example

Application

 

 

 

 

Service Monitor

Can be used as a

Aeroflex 2975

Frequency/deviation meter and

 

substitute for items

(www.aeroflex.com), Motorola

signal generator for wide-range

 

marked with an asterisk

R2670, or equivalent

troubleshooting and alignment

 

(*)

 

 

 

 

 

 

Digital RMS

100 µV to 300 V

Fluke 179 or equivalent

AC/DC voltage and current

Multimeter*

5 Hz to 1 MHz

(www.fluke.com)

measurements. Audio voltage

 

10 Meg Ohm Impedance

 

measurements

 

 

 

 

RF Signal

100 MHz to 1 GHz

Agilent N5181A

Receiver measurements

Generator*

-130 dBm to +10 dBM

(www.agilent.com), Ramsey

 

 

FM Modulation 0 kHz to

RSG1000B

 

 

10 kHz

(www.ramseyelectronics.com),

 

 

 

or equivalent

 

 

 

 

 

Oscilloscope*

2 Channel

Leader LS8050

Waveform measurements

 

50 MHz Bandwidth

(www.leaderusa.com), Tektronix

 

 

5 mV/div to 20 V/div

TDS1001b

 

 

 

(www.tektronix.com), or

 

 

 

equivalent

 

 

 

 

 

Power Meter and

5% Accuracy

Bird 43 Thruline Watt Meter

Transmitter power output

Sensor*

100 MHz to 500 MHz

(www.bird-electronic.com) or

measurements

 

50 Watts

equivalent

 

 

 

 

 

RF Millivolt Meter

100 mV to 3 V RF

Boonton 92EA

RF level measurements

 

10 kHz to 1 GHz

(www.boonton.com) or

 

 

 

equivalent

 

 

 

 

 

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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@