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Mag One™ by Motorola
Radio Series
Basic Service Manual
6816101H01-A

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Summary of Contents for Motorola Mag One Series

  • Page 1 Mag One™ by Motorola Radio Series Basic Service Manual 6816101H01-A...
  • Page 2 Motorola. Furthermore, the purchase of Motorola products shall not be deemed to grant, either directly or by implication, estoppel or otherwise, any license under the copyrights, patents or patent applications of Motorola, except for the normal non-exclusive license to use that arises by operation of law in the sale of a product.
  • Page 3 DOCUMENT HISTORY The following major changes have been implemented in this manual since the previous edition: Edition Description Date 6816101H01-A Initial edition Mar. 2007...
  • Page 4 Notes...
  • Page 5: Safety Information

    These recommended RF exposure levels include substantial margins of protection. All Motorola two-way radios are designed, manufactured, and tested to ensure they meet government-established RF exposure levels. In addition, manufacturers also recommend specific operating instructions to users of two-way radios.
  • Page 6 RF exposure and to satisfy compliance requirements. Compliance with RF Exposure Standards Your Motorola two-way radio is designed and tested to comply with a number of national and International standards and guidelines (listed below) for human exposure to radio frequency electromagnetic energy.
  • Page 7 RF exposures decrease with increasing distance from the antenna. • When worn on the body, always place the radio in a Motorola-approved clip, holder, holster, case, or body harness for this product. Using approved body-worn accessories is important because the use of non-Motorola-approved accessories may result in exposure levels, which exceed the FCC occupational/controlled environment RF exposure limits.
  • Page 8 Persons with pacemakers should: • ALWAYS keep the radio more than 6 inches (15 centimeters) from their pacemaker when the radio is turned ON. • Not carry the radio in the breast pocket. • Use the ear opposite the pacemaker to minimize the potential for interference. •...
  • Page 9 Warnings for Radios Approved as Intrinsically Safe Radios must ship from the Motorola manufacturing facility with the hazardous atmosphere capability and the intrinsic safety approval labelling (FM, UL, CSA, CENELEC). Radios will not be upgraded to this...
  • Page 10 REPAIRS FOR MOTOROLA PRODUCTS WITH INTRINSICALLY SAFE APPROVAL ARE THE RESPONSIBILITY OF THE USER. • Repairs to a Motorola FM approved radio product should only be done at a location that has been FM audited under the FM 3605 repairs and service standard.
  • Page 11: Table Of Contents

    2.2 After Warranty Period ..................1-2 2.3 Piece Parts ......................1-2 2.4 Technical Support ....................1-2 2.5 Further Assistance From Motorola ..............1-2 3.0 Radio Model Information...................1-3 4.0 Radio Features ..................... ..1-4 Section 2 MAINTENANCE 1.0 Introduction ...
  • Page 12 2.1 Tuning Frequency .....................3-2 2.2 Preparation Before Tuning (refer to Figure 3-1) ..........3-2 2.3 Transmitter Tuning .....................3-3 2.4 Receiver Tuning ....................3-6 Section 4 RADIO PROGRAMMING 1.0 Introduction ......................4-1 2.0 Programming Your Radio ..................4-1 2.1 Overview of the Programming Process ...
  • Page 13: 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: After Warranty Period

    Technical Services (MTS). 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 15: Radio Model Information

    Radio Model Information 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: LAH84JDC8AA4) Type Model...
  • Page 16: Radio Features

    Radio Features Radio Features The following are features your radio has. Normal Operation Rx/Tx Rx Frequency • • Radio-CPS-Radio Cloning Tx Frequency • • Radio-to-Radio Cloning RX TPL/DPL/IDPL • • Factory Reset TX TPL/DPL/IDPL • • Low Battery Indication User Defined PL (TPL1, TPL2, TPL3) •...
  • Page 17: Maintenance

    Section 2 MAINTENANCE Introduction This chapter provides details about the following: • Preventive Maintenance • Safe Handling of CMOS and LDMOS Devices • General Repair Procedures and Techniques • Disassembling and Reassembling the Radio Preventive Maintenance 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 Devices

    • 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 19: Repair Procedures And Techniques - 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 Piece Parts section of this manual.
  • Page 20: Disassembling And Reassembling The Radio - General

    • Flat head screwdriver • Chassis Opener • Crab Eye Nut Opener • Tweezers 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.
  • Page 21: Radio Disassembly - Detailed

    Radio Disassembly — Detailed Radio Disassembly — Detailed Front Cover from Chassis Disassembly Turn off the radio. Unlatch the battery latch at the bottom of the radio (see “Figure 2-1”). Remove the battery by gently lifting the hilt of the battery, nearest to the battery latch, away from the housing. Figure 2-1 Slide the battery downwards to remove the battery.
  • Page 22 Radio Disassembly — Detailed Insert the Chassis Opener at the bottom of the radio, between the chassis and housing (see “Figure 2-2”). Lift the chassis gently. Be careful not to damage the housing or the O-ring underneath. Lift rear chassis away from the front cover. Be careful not to damage the speaker wire under- neath.
  • Page 23 Radio Disassembly — Detailed 12. Slide the battery latch shaft out from the latch. Figure 2-5 Proceed to perform steps 13, 14, and 15 only if there is a need to replace the speaker, NOTE speaker bracket or speaker felt. 13.
  • Page 24: Pc Board Disassembly

    Radio Reassembly — Detailed PC Board Disassembly Remove the audio jack seal. Remove the 10 screws which hold the PC board to the diecast. Next, remove the 2 nuts on the On/Off Volume and Channel knobs shafts with the Crab Eye Nut Opener.
  • Page 25: Chassis And Front Cover Reassembly

    Radio Reassembly — Detailed Chassis and Front Cover Reassembly Proceed to perform steps 1, 2, 3 and 4 only if there is a need to replace the speaker, NOTE speaker bracket or speaker felt. Place the speaker felt onto the grille area (see “Figure 2-8”) . Place the speaker on top of the felt.
  • Page 26 Radio Reassembly — Detailed 2-10 Figure 2-10 With the battery latch placed on the housing, push the shaft in the housing slot to the left (see “Figure 2-11”). Figure 2-11 Place the small latch pad onto the right slot space (see “Figure 2-11”).
  • Page 27 Radio Reassembly — Detailed 2-11 Connect the internal speaker connector to the PC board (“see “Figure 2-12”). Speaker Connector Figure 2-12 10. Place the diecast into the front housing (see “Figure 2-13”). Figure 2-13 11. Snap the front housing cover firmly into place on the rear diecast . 12.
  • Page 28: Mechanical View And Parts List

    Mechanical View and Parts List Exploded View and Parts List 19 20 30 Figure 2-14 Exploded View Table 2-1 Parts List Reference Part No Part Name PMDN4001_R Front Housing Lightpipe PMDN4002_R Mag One™ By Motorola Nameplate PMDN4004_R A8 Nameplate PMDN4009_R PTT Escutcheon...
  • Page 29 Mechanical View and Parts List 2-13 Table 2-1 Parts List Reference Part No Part Name PMDN4007_R PTT Rubber PMDN4010_R PTT Bezel PMDN4011_R Speaker & Cable (non-EPP) PMDN4067_R Speaker & Cable (EPP) PMDN4012_R Speaker Bracket Speaker Bracket Screw PMDN4013_R Speaker Poron Pad PMDN4046_R Speaker Felt PMDN4014_R...
  • Page 30 2-14 Mechanical View and Parts List Table 2-1 Parts List Reference Part No Part Name † 136 - 150 MHz 5W PC Board (EPP) PMDD4000_R PMDD4001_R* 150 - 174 MHz 5W PC Board (non-EPP) † 150 - 174 MHz 5W PC Board (EPP) PMDD4005_R PMDD4006_R* 148 - 174 MHz 5W PC Board (non-EPP)
  • Page 31 Mechanical View and Parts List 2-15 Table 2-1 Parts List Reference Part No Part Name PMAD4050_R Mag One™ 136-150MHz Antenna PMAD4051_R Mag One™ 150-174MHz Antenna PMAE4019_R Mag One™ 403-425MHz Antenna PMAE4020_R Mag One™ 450-470MHz Antenna PMAE4028_R Mag One™ 490-512MHz Antenna PMLN4743_ Mag One™...
  • Page 32: Service Aids

    Service Aids Service Aids Table 2-2 lists service aids recommended for working on the Mag One™ by Motorola 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 33: Test Equipment

    Test Equipment 2-17 10.0 Test Equipment Table 2-3 lists test equipment required to service the Mag One™ by Motorola Radios and other twoway radios. Table 2-3 Recommended Test Equipment Motorola Description Characteristics Application Part No. R2600 Communication Frequency/deviation meter and signal...
  • Page 34: Cloning Cable (Pmdn4060_R)

    2-18 12.0 Cloning Cable (PMDN4060_R )otes 2 . 5 p i e 2 . 5 p i e Figure 2-16 Cloning Cable Schematic 13.0 Test Box (PMDN4040_R) 8 ohm 1M ohm 1 0uF AUDIO 1 2 4ohm 1 Mohm AUDIO 1 S W1 1 0uF 3.
  • Page 35: Radio Tuning

    Section 3 RADIO TUNING Introduction This chapter provides an overview of the hardware tuning for this Mag One™ Series radio. There is no software tuning required. In order to perform the manual tuning procedures, the radio needs to be disassembled to the PC Board.
  • Page 36: Hardware Tuning Setup And Procedure

    Hardware Tuning Setup and Procedure Hardware Tuning Setup and Procedure Tuning Frequency Table 3-1 Frequencies Used for Tuning. Band Tuning Parameter Frequency (MHz) PLL Synthesizer 149.975 Transmitter 136.025 Receiver 136.025 VHF 136 - 150 MHz Modulation Balance 136.025 (N band) Sub-Tone Modulation 149.975 (S band) Maximum Modulation...
  • Page 37: Transmitter Tuning

    Hardware Tuning Setup and Procedure Connect the radio to the test equipment. Ground Contact Finger TEST BOX Antenna Port 8 ohm 24 ohm Jack BNC BNC Radio N Type TEST EQUIPMENT Output Input Figure 3-1 Radio Tuning Setup On the Test Box, select 8 ohm resistance when using with PMUD2085A_, PMUE2384A_. NOTE For all other kits, please select 24 ohm resistance.
  • Page 38 Hardware Tuning Setup and Procedure Using the ceramic tool, adjust R425 to tune high power (refer to Figure 3-2). R425 R426 R216 FL701 R215 Figure 3-2 Tuning Ports 2.3.2 Low Power Connect the radio to power meter. Set the radio to the appropriate tuning frequency (refer to Table 3-1). Key up the radio.
  • Page 39 Hardware Tuning Setup and Procedure R159 R174 R172 Figure 3-3 Top Side of PCB Using the ceramic tool, adjust R174 (refer to Figure 3-3) to modulation balance as per Figure 3-4. Figure 3-4 Improperly tuned modulation balance can cause errors in Tx sub-tone modulation.
  • Page 40: Receiver Tuning

    Hardware Tuning Setup and Procedure 2.3.5 Maximum Modulation Set the radio to the appropriate tuning frequency (refer to Table 3-1). On the test equipment, set the following configurations: Audio bandwidth: 0.25Hz to 15,000Hz De-emphasis: Off FM: Peak negative Using the Audio Analyzer, input a 1kHz tone + 67Hz subtone, 120mV to the radio through the test box.
  • Page 41 Hardware Tuning Setup and Procedure Then adjust R216 counterclockwise at the point where the Audio Frequency signal appears. 2.4.3 PLL Synthesizer Tuning Rx PLL Frequency Tuning Set the radio to the appropriate tuning frequency (refer Table 3-1). Detect output voltage at test point TP1 (refer to Figure 3-3). Using the ceramic tool, adjust C710 to tune the voltage to 5.0V +/-0.1V(refer to Figure 3-5).
  • Page 42 Notes...
  • Page 43: Radio Programming

    Introduction Section 4 RADIO PROGRAMMING Introduction The radios can be programmed using the Customer Programming Software (CPS). Programming Your Radio Overview of the Programming Process To prepare properly programmed radios for your customers, you should program your radio with all the necessary parameters, as required by your customers, and then clone these parameters over to all your customer‟s radios.
  • Page 44: Error Conditions

    CPS Programming 2.5.2 Setting Up the Slave Radio Turn off the radio. Press and hold Programmable Button 1(the top programmable button) and turn on the radio. Keep pressing Programmable Button 1 until the beep is heard three times. Release Programmable Button 1. Notice that the LED changes to GREEN. 2.5.3 Radio to Radio Cloning Procedures Connect the cloning cable to both the Master and Slave radio.
  • Page 45: To Read Radio Data To A Pc

    Factory Reset Refer to the diagram below for the programming setup. Radio Programming Cable PMDN4043_R Comm Port Figure 4-1 CPS Programming Setup To Read Radio Data to a PC Turn off the radio. Connect the programming cable to the radio. Press and hold Programmable Button 1 (top side button on the radio), then turn on the radio.
  • Page 46 Factory Reset Notes...
  • Page 47: Accessories

    Antennas Section 5 ACCESSORIES Antennas PMAD4050_R Mag One™ 136-150MHz Antenna PMAD4051_R Mag One™150-174MHz Antenna PMAE4019_R Mag One™ 403-425MHz Antenna PMAE4020_R Mag One™ 450-470MHz Antenna PMAE4028_R Mag One™ 490-512MHz Antenna Carry Accessories PMLN4691_R Mag One™ Belt Clip PMLN4743_ Mag One™ Spring Belt Clip Carry Cases PMLN4741_ Soft Leather Carry Case...
  • Page 48: Audio Accessories

    Publications 6815549H01 A8 User Guide (APAC English) 6815553H01 A8 User Guide (APAC Chinese) 6815692H01 Mag One™ by Motorola Series Radio Service Manual, English 6815693H01 Mag One™ by Motorola Series Radio Service Manual, Chinese 6816103H01 Mag One™ Warranty Card 6816309H01 Mag One™ CPS User Guide 6816189H01 Mag One™...
  • Page 49: Model Chart And Test Specification

    VHF Band 1 Information (136-150 MHz) Section 6 MODEL CHART AND TEST SPECIFICATION For specific models and options configuration, please refer to the Price Pages available on NOTE Motorola Online at https://businessonline.motorola.com/ . VHF Band 1 Information (136-150 MHz) A8 136-150 MHz VHF Model Description LAH84JDC8AA4AN A8 136-150 MHz, 5W, 12.5/25K-16CH...
  • Page 50: Specifications

    Specifications Specifications Transmitter General Channel Spacing 12.5/25 kHz Freq. Stability 0.00025% Frequency: 150MHz (-30°C to +60°C) Channel Capacity: Spurs/Harmonics: -26 dBm Power Supply: 7.5 Volts ±20% Audio Response: +1, -3 dB Dimensions with 118mm x 56mm x 37mm (from 6 dB/oct. Pre- Standard High Emphasis, 300 to Capacity NiMH...
  • Page 51: Vhf Band 2 Information (150 - 174 Mhz)

    VHF Band 2 Information (150 - 174 MHz) VHF Band 2 Information (150 - 174 MHz) A8 150-174 MHz VHF Model Description LAH84KDC8AA4AN A8 150-174 MHz, 5W, 12.5/25K-16CH Option STDCHG0027AE Standard Mid-Rate Charger 120V US Plug 60Hz Option Q665AG Mid-Rate Charger 230V EURO Plug 50Hz Option Q312BD Mid-Rate Charger Base Only - Argentina Option Q91AB...
  • Page 52: Specifications

    Specifications Specifications Transmitter General Channel Spacing 12.5/25 kHz Freq. Stability 0.00025% Frequency: 150-174 MHz (-30°C to +60°C) Channel Capacity: Spurs/Harmonics: -26 dBm Power Supply: 7.5 Volts ±20% Audio Response: +1, -3 dB Dimensions with 118mm x 56mm x 37mm (from 6 dB/oct. Pre- Standard High Emphasis, 300 to Capacity NiMH...
  • Page 53: Uhf Band 1 Information (403-425Mhz)

    UHF Band 1 Information (403-425MHz) UHF Band 1 Information (403-425MHz) A8 403-425 MHz UHF Model Description LAH84QCC8AA4AN A8 403-425 MHz, 4W, 12.5/25K-16CH Option STDCHG0027AE Standard Mid-Rate Charger 120V US Plug 60Hz Option Q665AG Mid-Rate Charger 230V EURO Plug 50Hz Option Q312BD Mid-Rate Charger Base Only - Argentina Option Q91AB Mid-Rate Charger 240V UK Plug 50Hz...
  • Page 54: Specifications

    Specifications Specifications Transmitter General Channel Spacing 12.5/25 kHz Freq. Stability 0.00025% Frequency: 403-425MHz (-30°C to +60°C) Channel Capacity: Spurs/Harmonics: -27 dBm Power Supply: 7.5 Volts ±20% Audio Response: +1, -3 dB (from 6 dB/oct. Pre- Dimensions with 107mm x 58mm x 37mm Emphasis, 300 to Standard High 3000Hz)
  • Page 55: Uhf Band 2 Information (450 - 470Mhz)

    UHF Band 2 Information (450 - 470MHz) UHF Band 2 Information (450 - 470MHz) A8 450-470 MHz UHF Model Description LAH84RCC8AA4AN A8 450-470 MHz, 4W, 12.5/25K-16CH Option STDCHG0027AE Standard Mid-Rate Charger 120V US Plug 60Hz Option Q665AG Mid-Rate Charger 230V EURO Plug 50Hz Option Q312BD Mid-Rate Charger Base Only - Argentina Option Q91AB...
  • Page 56: Specifications

    Specifications Specifications Transmitter General Channel Spacing 12.5/25 kHz Freq. Stability 0.00025% Frequency: 450-470 MHz (-30°C to +60°C) Channel Capacity: Spurs/Harmonics: -27 dBm Power Supply: 7.5 Volts ±20% Audio Response: +1, -3 dB (from 6 dB/oct. Pre- Dimensions with 107mm x 58mm x 37mm Emphasis, 300 to Standard High 3000Hz)
  • Page 57: Uhf Band 4 Information (490 - 512 Mhz)

    UHF Band 4 Information (490 - 512 MHz) UHF Band 4 Information (490 - 512 MHz) A8 490-512 MHz UHF Model Description LAH84TCC8AA4AN A8 490-512 MHz, 4W, 12.5/25K-16CH Option STDCHG0027AE Standard Mid-Rate Charger 120V US Plug 60Hz Option Q665AG Mid-Rate Charger 230V EURO Plug 50Hz Option Q312BD Mid-Rate Charger Base Only - Argentina Option Q91AB...
  • Page 58: Specifications

    6-10 Specifications 10.0 Specifications Transmitter General Channel Spacing 12.5/25 kHz Freq. Stability 0.00025% Frequency: 490-512 MHz (-30°C to +60°C) Channel Capacity: Spurs/Harmonics: -27 dBm Power Supply: 7.5 Volts ±20% Audio Response: +1, -3 dB (from 6 dB/oct. Pre- Dimensions with 107mm x 58mm x 37mm Emphasis, 300 to Standard High...
  • Page 59: Glossary Of Terms

    Codeplug A solid-state chip inside a radio where the radio‟s personality data is stored. Acronym for Customer Programming Software. Licensed Motorola software used to program two-way radios with a unique set of features. Frequency (a) The location of the center of a channel of operation in the radio spectrum.
  • Page 60 Term Definition Read Only Memory. Scan List The Scan List determines which channels the radio scans, when operating in the Scan Mode, on the current channel. Scan List Member The Scan List allows you to select the grouping of channels that make up the current Scan List Member channels.
  • Page 62 ©2007 by Motorola, Inc. All rights reserved. Mag One by Motorola is registered in the U.S. Patent and Trademark Office. All other product or service names are the property of their respective owners. Motorola, Inc. 8000 West Sunrise Boulevard Plantation, FL 33322 U.S.A.

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