Motorola GP140 Basic Service Manual
  1. Manuals
  2. Brands
  3. Motorola Manuals
  4. Two-Way Radio
  5. GP140 Series
  6. Basic service manual

Motorola GP140 Basic Service Manual

Professional radio
Hide thumbs Also See for GP140:
Table of Contents

Advertisement

Quick Links

Download this manual See also: User Manual, Service Information
Professional Radio
GP140
Basic Service Manual
68P64115B16

Advertisement

Table of Contents
loading

Related Manuals for Motorola GP140

Summary of Contents for Motorola GP140

  • Page 1 Professional Radio GP140 Basic Service Manual 68P64115B16...

  • Page 2: 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 prod-...

  • Page 3: Safety Information

    Read this information before using your radio. SAFE AND EFFICIENT OPERATION OF MOTOROLA TWO-WAY RADIOS This document provides information and instructions for the safe and efÞcient operation of Motorola Portable and Mobile Two-Way Radios. The information provided in this document supersedes the general safety information contained in user guides published prior to 1 January 1998.

  • Page 4: Operational Warnings

    SAFETY INFORMATION OPERATIONAL WARNINGS Vehicles with an air bag WARNING: Do not place a portable radio in the area over an air bag or in the air bag deploy- ment area. Air bags inßate with great force. If a portable radio is placed in the air bag deploy- ment area and the air bag inßates, the radio may be propelled with great force and cause serious injury to occupants of vehicle.

  • Page 5: 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 Piece Parts .....................1-2 2.4 Technical Support...................1-3 3.0 Radio Model Information..................1-4 Chapter 2 INTRINSICALLY SAFE RADIO INFORMATION 1.0 FMRC Approved Equipment ................2-1 2.0 Repair of FMRC Approved Products ..............2-2...
  • Page 6 6.0 Upgrade Kit and Adaptors ................... 6-3 7.0 Audio Accessories (These accessories require Adapter HLN9716A) ....6-3 8.0 Remote Speaker Microphones ................6-4 Chapter 7 MODEL CHART AND TEST SPECIFICATION 1.0 Model Chart ......................7-1 2.0 Specifications - Professional GP140 Series Radios ..........7-2...

  • Page 7: 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 8: Piece Parts

    Aftermarket and Accessory Division (AAD). If no part number is assigned, the part is not normally available from Motorola. If the part number is appended with an asterisk, the part is serviceable by Motorola Depot only. If a parts list is not included, this generally means that no user-serviceable parts are available for that kit or assembly.

  • Page 9: 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 Telephone: +44 (0) 1256 488 082 Fax: +44 01256 488 082 Email: BRR001@email.mot.com...

  • Page 10: Radio Model Information

    Model Freq. Power Physical Channel Feature Model Model Protocol Unit Series Band Level Packages Spacing Level Revision Package 4-5W GP140, Program- Conventional GP320 (136- GP320, mable 174MHz) GP340, GP640. UHF 1 GP680 Conventional GP140, (403- 5 Tone GP340, 470MHz) GP640.

  • Page 11: Intrinsically Safe Radio Information

    WARNING: Do not disassemble the FMRC Approved Product unit in any way that exposes the internal electrical circuits of the unit. Radios must ship from the Motorola manufacturing facility with the hazardous atmosphere capability and FM Approval labeling. Radios will not be ÒupgradedÓ to this capability and labeled in the Þeld.

  • Page 12: Repair Of Fmrc Approved Products

    REPAIRS FOR MOTOROLA FMRC APPROVED PRODUCTS ARE THE RESPONSIBILITY OF THE USER You should not repair or relabel any Motorola manufactured communication equipment bearing the FMRC Approval label (ÒFMRC Approved ProductÓ) unless you are familiar with the current FMRC Approval standard for repairs and service (ÒClass Number 3605).

  • Page 13: Do Not Substitute Options Or Accessories

    Repair of FMRC Approved Products Do Not Substitute Options or Accessories The Motorola communications equipment certiÞed by Factory Mutual is tested as a system and consists of the FM Approved portable, FM Approved battery, and FM Approved accessories or options, or both. This Approved portable and battery combination must be strictly observed. There must be no substitution of items, even if the substitute has been previously Approved with a different Motorola communications equipment unit.
  • Page 14 INTRINSICALLY SAFE RADIO INFORMATION...

  • Page 15: Chapter 3 Maintenance

    Chapter 3 MAINTENANCE Introduction This chapter provides details about the following: Preventive maintenance (inspection and cleaning) Safe handling of CMOS and LDMOS devices Disassembly and reassembly of the radio Repair procedures and techniques Installation of Option Boards Preventive Maintenance The radios do not require a scheduled preventive maintenance program; however, periodic visual inspection and cleaning is recommended.

  • Page 16: Safe Handling Of Cmos And Ldmos Devices

    ßoor mat. Wear a conductive wrist strap in series with a 100k resistor to ground. (Replacement wrist straps that connect to the bench top covering are Motorola part number RSX- 4015.) Do not wear nylon clothing while handling CMOS devices.

  • Page 17: Repair Procedures And Techniques Ñ General

    When damaged parts are replaced, identical parts should be used. If the identical replacement part is not locally available, check the parts list for the proper Motorola part number and order the part from the nearest Motorola Communications parts center listed in the ÒPiece PartsÓ section of this manual.

  • Page 18: Radio Disassembly Ñ Detailed

    MAINTENANCE If a unit requires more complete testing or service than is customarily performed at the basic level, send this unit to a Motorola Authorized Service Center. (See Chapter 1 for a list of authorized service centers.) The following disassembly procedures should be performed only if necessary: Chassis Assembly Disassembly (Paragraph 6.2)
  • Page 19 Radio Disassembly Ñ Detailed Pull the volume and channel selector knobs off of their shafts. Knobs Figure 3-2 Knob Removal NOTE Both knobs slide on and off. However, they are supposed to Þt very tightly on their shafts. Separate the chassis from the internal electronics front cover assembly as follows: Insert a small, ßat-blade screwdriver, or similar instrument, in between the thin retaining wall and the chassis at the bottom of the radio.

  • Page 20: Chassis Assembly Disassembly

    MAINTENANCE Lay the chassis down. Rotate the front cover backward and slightly away from the chassis. Lift the latches on the main circuit board to release the ßexes from their connectors. Latches Flex Connectors Figure 3-4 Unlatch Flex Connectors Chassis Assembly Disassembly Use a TORXª...

  • Page 21: Keypad, Display, And Keypad/Option Board Disassembly

    Radio Disassembly Ñ Detailed Remove the O-ring. Slide off the ground contact from the top corner boss of the radio chassis. Keypad, Display, and Keypad/Option Board Disassembly If the disassembly of the keypad, the keypad printed circuit board, or the display is required, lift the microphone ßex circuit up, and carefully remove the microphone and its boot from the front cover pocket.

  • Page 22: Speaker, Microphone, And Universal Connector Flex Disassembly

    MAINTENANCE The keypad/option board, and the keypad, can be removed without the use of tools. Retainer Display Module Keypad/Option Board Keypad Radio Body Figure 3-7 Removing the Keypad Retainer and Other Boards from the Radio Body NOTE At this point, the Option Board Installation Procedure should be performed, if necessary. Speaker, Microphone, and Universal Connector Flex Disassembly Turn the screw at the bottom of the dustcover counterclockwise with your Þngers.

  • Page 23: Ptt Disassembly

    Radio Disassembly Ñ Detailed Notch In Speaker @ 12:00 Speaker Orientation Tab @ 12:00 Speaker Universal Connector Tail Microphone Boot Microphone Speaker Microphone Flex Circuit Assembly Figure 3-8 Removal Speaker-Microphone Assembly After the universal connector tail of the speaker-microphone assembly is removed, the assembly can be completely removed.

  • Page 24: Control Top Disassembly

    3-10 MAINTENANCE Control Top Disassembly To remove the control top assembly, place a screwdriver next to the antenna boss, and pry it against the control top escutcheon. This will lift the control top escutcheon away from its double-sided adhesive. Grab the double-sided adhesive near the volume potentiometer, and lift it away.

  • Page 25: Chassis Assembly Reassembly

    Radio Reassembly Ñ Detailed 3-11 play) in the front cover. Snap all four of the retainer arm tabs in place in the front cover. NOTE Pull the speaker-microphone ßex circuit out of harmÕs way during reassembly. Re-insert the microphone and boot into the pocket in the front cover. Lay the speaker-microphone ßex on top of keypad/option board retainer.

  • Page 26: Option Board Installation

    3-12 MAINTENANCE Push down the latches on the connectors to hold the ßex circuits to the main board. Slide the volume potentiometer and frequency switch shafts into their respective holes in the front cover. Push the chassis assembly completely into the top of the front cover until it settles in place. Be sure the O-ring is properly seated.
  • Page 27 Option Board Installation 3-13 Retainer Jumper Flex Keypad/Option Board Display Flex Figure 3-12 Changing the Keypad/Option Board Reassemble the option board to the front cover assembly. Insert the display ßex circuit into the connector on the option board. Insert the jumper ßex circuit into the connector on the option board. Notice the orientation of the ßex circuit.

  • Page 28: Mechanical View And Parts List

    3-14 MAINTENANCE Mechanical View and Parts List Figure 3-13 Radio Exploded Mechanical View...
  • Page 29 Mechanical View and Parts List 3-15 Motorola Motorola Item Part Description Item Part Description Number Number See Chapter 6 Antenna 1480652Z01 Insulator, Antenna 3680529Z01 Knob, Volume 7580556Z01 Pad, Thermal 3680530Z01 Knob, Frequency 3280534Z01 Seal, Contact 1380525Z01 Escutcheon, Top 3280536Z01 Gasket, O-Ring...

  • Page 30: Service Aids

    Table 3-1 lists service aids recommended for working on the GP320/GP340 Radios. While all of these items are available from Motorola, most are standard shop equipment items, and any equivalent item capable of the same performance may be substituted for the item listed.

  • Page 31: 11.0 Test Equipment

    Test Equipment 3-17 11.0 Test Equipment Table 3-2 lists test equipment required to service the GP100 Series Radios and other two-way radios. Table 3-2 Recommended Test Equipment Motorola Description Characteristics Application Part No. R2600CNT Comms System This monitor will Frequency/deviation meter...

  • Page 32: 12.0 Programming/Test Cable

    3-18 MAINTENANCE 12.0 Programming/Test Cable Figure 3-14 Programming/Test Cable Figure 3-15 Pin ConÞguration of the Side Connector...
  • Page 33 Programming/Test Cable 3-19 Figure 3-16 Wiring of the Connectors...
  • Page 34 3-20 MAINTENANCE...

  • Page 35: Performance Testing

    Chapter 4 PERFORMANCE TESTING Introduction The receiver and transmitter performance tests are contained in Tables 4-1 and 4-2 respectively. Refer to Chapter 5 for the test equipment set up. Note that all test measurements are taken at 25°C. Receiver Performance Tests The receiver performance tests are described in Table 4-1 below.

  • Page 36: Transmitter Performance Tests

    PERFORMANCE TESTING Transmitter Performance Tests The transmitter performance tests are described in Table 4-2 below. Table 4-2 Transmitter Performance Checks Communications Test Name Radio Test Set Comments Analyzer Reference Mode: PWR MON TEST MODE, PTT to continu- Frequency error to be ±200Hz VHF Frequency Monitor: Frequency error...

  • Page 37: Radio Tuning And Programming

    Chapter 5 RADIO TUNING AND PROGRAMMING Introduction This chapter provides an overview of the Customer Programming Software (CPS) and tuner program which are designed for use in a Windows 95/98 environment. These programs are available in separate kits as listed in the Table 5-1. An Installation instruction manual is also included with each kit. Refer to the appropriate program on-line help Þles for the programming procedures.

  • Page 38: Initial Test Equipment Setup

    RADIO TUNING AND PROGRAMMING Initial Test Equipment Setup The supply voltage is connected to the radio using a Motorola battery eliminator, P/N 0180305G54. The initial test equipment (Figure 5-1) control settings are listed in Table 5-2. NOTE Refer to appropriate program on-line help Þles for the tuning procedures.

  • Page 39: Chapter 6 Accessories

    Chapter 6 ACCESSORIES Antennas (136 - 174 MHz) (ferrule connector) PMAD4012A 136 - 155 MHz 9cm Stubby red code PMAD4013A 155 - 174 MHz 9cm Stubby black code PMAD4014A 136 - 155 MHz 14 cm standard length red code PMAD4015A 155 - 174 MHz 14 cm standard length black code PMAD4023A 150 - 161 MHz...

  • Page 40: Chargers

    ACCESSORIES HLN9701A Nylon Case, Short, Plain, Beltloop, Thin Battery HLN9702A Nylon Case, Short, Plain, Beltloop, Standard Battery HLN9703A Nylon Case, Short, DTMF, Beltloop, Thin Battery HLN9704A Nylon Case, Short, DTMF, Beltloop, Standard Battery HLN9695A Standard Leather Case, Tall, DTMF, Beltloop, Thin Battery HLN9698A Standard Leather Case, Tall, DTMF, Beltloop, Standard Battery HLN9699A...

  • Page 41: Batteries

    Batteries Batteries HNN9008AR NiMH High Capacity Battery (standard with unit) HNN9009AR NiMH Ultra High Capacity Battery HNN9010AR NiMH Ultra High Capacity Battery Factory Mutual HNN9011AR NiCd High Capacity Battery Factory Mutual HNN9012AR NiCd High Capacity Battery HNN9013AR Lithium Ion Battery (high capacity) Upgrade Kit and Adaptors HLN9742A Flash upgrade kit for MPT...

  • Page 42: Remote Speaker Microphones

    ACCESSORIES BDN6666A Earpiece with volume control Standard (Beige) BDN6728A Earpiece with volume control Standard (Black) BDN6667A Two wire PTT/mic +earpiece (Beige) BDN6729A Two wire PTT/mic +earpiece (Black) BDN6669A Two wire PTT/mic +earpiece Extra Loud (Beige) BDN6731A Two wire PTT/mic +earpiece Extra Loud (Black) BDN6668A Three Wire Lapel mic/Earpiece/PTT (Beige) BDN6730A...

  • Page 43: Model Chart And Test Specification

    Chapter 7 MODEL CHART AND TEST SPECIFICATION Model Chart Professional GP140 Model Description MDH25KDC9AA3AE GP140 VHF 136-174 MHz 5W 16 Ch MDH25RDC9AA3AE GP140 UHF 403-470 MHz 4W 16 Ch Item Description PMLD4109A GP140 VHF Back Cover Kit PMLE4130A GP140 UHF Back Cover Kit...
  • Page 44 MODEL CHART AND TEST SPECIFICATION SpeciÞcations - Professional GP140 Series Radios Data is speciÞed for +25°C unless otherwise stated. General SpeciÞcations Channel Capacity Power Supply Rechargeable battery 7.5v Dimensions: H x W x D (mm) Height excluding knobs With standard high capacity NiMH battery 137 x 57.5 x 37.5...

  • Page 45: Specifications - Professional Gp140 Series Radios

    Specifications - Professional GP140 Series Radios Transmitter *Frequencies - Full Bandsplit VHF: 136-174 MHz UHF: 403-470 MHz Channel Spacing 12.5/20/25 kHz ±2.5 ppm Frequency Stability (-25°C to +55°C, +25° Ref.) Power 136 - 174: 1-5W 403 - 470: 1-4W ±2.5 @ 12.5 kHz Modulation Limiting ±4.0 @ 20 kHz...
  • Page 46 MODEL CHART AND TEST SPECIFICATION...

Table of Contents