Motorola GP series Service Manual
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Motorola GP series Service Manual

Professional radio
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Professional Radio
GP Series
Detailed Service Manual
68P64115B32E

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Summary of Contents for Motorola GP series

  • Page 1 Professional Radio GP Series Detailed Service Manual 68P64115B32E...
  • Page 3 Professional Radio GP Series Detailed Service Manual 68P64115B32E Contents Section 1 Service Maintainability Section 2 Keypad Service Information Section 3 Power Distribution and Controller Information Section 4 VHF Service Information Section 5 UHF Service Information Section 6 UHF2 Service Information...

  • Page 5: Safety And General Information

    To maintain compliance with FCC RF exposure guidelines, if you wear a radio on your body when transmitting, always place the radio in a Motorola approved clip, holder, holster, case, or body harness for this product. Use of non-Motorola-approved body worn accessories may exceed FCC RF exposure guidelines. If you do not use a...
  • Page 6 ELECTROMAGNETIC INTERFERENCE/COMPATIBILITY NOTE Nearly every electronic device is susceptible to electromagnetic interference (EMI) if inadequately shielded, designed, or alternately configured for electromagnetic compatibility. Facilities To avoid electromagnetic interference and/or compatibility conflicts, turn off your radio in any facility where posted notices instruct you to do so.

  • Page 7: Operational Warnings

    OPERATIONAL WARNINGS For Vehicles With An Air Bag WARNING: Do not place a portable radio in the area over an air bag or in the air bag deployment area. Air bags inflate with great force. If a portable radio is placed in the air bag deployment area and the air bag inflates, the radio product may be propelled with great force and cause serious injury to occupants of vehicle.
  • Page 8 viii...
  • Page 9 Professional Radio GP Series Service Maintainability Issue: June 2002...

  • Page 10: Computer Software Copyrights

    Accordingly, any copyrighted Motorola computer programs contained in the Motorola products described in this manual may not be copied or reproduced in any manner without the express written permission of Motorola. Furthermore, the purchase of Motorola...

  • Page 11: Table Of Contents

    Table of Contents Chapter 1 INTRODUCTION 1.0 Scope of Manual ....................1-1 2.0 Warranty and Service Support................1-1 2.1 Warranty Period and Return Instructions ............1-1 2.2 After Warranty Period ..................1-1 2.3 European Radio Support Centre (ERSC)............1-2 2.4 Piece Parts .....................1-2 2.5 Technical Support...................1-3 2.6 Related Documents ..................1-3 3.0 Radio Model Information..................1-4 Chapter 2...

  • Page 13: Chapter 1 Introduction

    In instances where the product is covered under a "return for replacement" or "return for repair" warranty, a check of the product should be performed prior to shipping the unit back to Motorola. This is to ensure that the product has been correctly programmed or has not been subjected to damage outside the terms of the warranty.

  • Page 14: European Radio Support Centre (Ersc)

    Some replacement parts, spare parts, and/or product information can be ordered directly. If a complete Motorola part number is assigned to the part, it is available from Motorola Radio Aftermarket and Accessory Division (AAD). If no part number is assigned, the part is not normally available from Motorola.

  • Page 15: Technical Support

    Warranty and Service Support Technical Support Motorola Product Services is available to assist the dealer/distributors in resolving any malfunctions which may be encountered. UK/Ireland - Richard Russell France - Armand Roy Telephone: +44 (0) 1256 488 082 Telephone: +33 1 6929 5715...

  • Page 16: Radio Model Information

    INTRODUCTION Radio Model Information The model number and serial number are located on a label attached to the back of your radio. You can determine the RF output power, frequency band, protocols, and physical packages. The example below shows one portable radio model number and its specific characteristics. Table 1-1 Radio Model Number (Example: MDH25KDC9AA3AE) Type of Model...

  • Page 17: Chapter 2 Maintenance

    Chapter 2 MAINTENANCE Introduction This chapter of the manual describes: ❏ preventive maintenance ❏ safe handling of CMOS devices ❏ repair procedures and techniques Preventive Maintenance The radios do not require a scheduled preventive maintenance program; however, periodic visual inspection and cleaning is recommended. Inspection Check that the external surfaces of the radio are clean, and that all external controls and switches are functional.

  • Page 18: Safe Handling Of Cmos And Ldmos

    When damaged parts are replaced, identical parts should be used. If the identical replacement component is not locally available, check the parts list for the proper Motorola part number and order the component from the nearest Motorola Communications parts center listed in the “Piece Parts”...
  • Page 19 Chip Components Use either the RLN4062 Hot-Air Repair Station or the Motorola 0180381B45 Repair Station for chip component replacement. When using the 0180381B45 Repair Station, select the TJ-65 mini-thermojet hand piece. On either unit, adjust the temperature control to 370 °C (700 °F), and adjust the airflow to a minimum setting.
  • Page 20 MAINTENANCE Shields Removing and replacing shields will be done with the R1070 station with the temperature control set to approximately 215°C (415°F) [230°C (445°F) maximum]. ❏ To remove the shield: Place the circuit board in the R1070 circuit board holder. Select the proper heat focus head and attach it to the heater chimney.

  • Page 21: Notes For All Schematics And Circuit Boards

    1. Unless otherwise stated, resistances are in Ohms (k = 1000), and capacitances are in picofarads (pF) or microfarads (µF). 2. DC voltages are measured from point indicated to chassis ground using a Motorola DC multimeter or equivalent. Transmitter measurements should be made with a 1.2 µF choke in series with the voltage probe to prevent circuit loading.
  • Page 22 MAINTENANCE...

  • Page 23: Chapter 3 Service Aids

    Table 3-1 lists the service aids recommended for working on the radio. While all of these items are available from Motorola, most are standard workshop equipment items, and any equivalent item capable of the same performance may be substituted for the item listed.
  • Page 24 SERVICE AIDS Table 3-2 lists the recommended tools used for maintaining this family of radios. These tools are also available from Motorola.. Table 3-2 Recommended Test Tools Motorola Part Description Application Number 6680702Z01 Chassis opener and knob Disassembly tool removal tool.

  • Page 25: Test Equipment

    Test Equipment Test Equipment Table 3-3 lists test equipment required to service the radio and other two-way radios. Table 3-3 Recommended Test Equipment Motorola Part Description Characteristics Application Number R2600_ Comms System Analyzer This monitor will Frequency/deviation meter and (non MPT).
  • Page 26 SERVICE AIDS Motorola Part Description Characteristics Application Number * R1440_ Wattmeter, Thruline 50-Ohm, Transmitter power output ±5% accuracy measurements. * 0180305F14 Plug-in Element 10W, 25 - 60MHz * 0180305F29 Plug-in Element 5W, 100-250MHz * 0180305F38 Plug-in Element 5W, 200-500MHz * 0180305F46...

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