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MTP850/MTP850 S/MTP850 FuG
TETRA Handportable Terminal
380-430 MHz (PT911B)
806-870 MHz (PT711B)
Basic Service Manual
Part Number: 6866537D77-G
*6866537D77*
GCD-EMEA / European Publications Department, Issue: 02.2010

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   Summary of Contents for Motorola MTP850 S

  • Page 1

    MTP850/MTP850 S/MTP850 FuG TETRA Handportable Terminal 380-430 MHz (PT911B) 806-870 MHz (PT711B) Basic Service Manual Part Number: 6866537D77-G *6866537D77* GCD-EMEA / European Publications Department, Issue: 02.2010...

  • Page 2

    The Motorola products described in this manual may include copyrighted Motorola computer programs stored in semiconductor memories or other media. Laws in the United States and other countries preserve for Motorola certain exclusive rights for copyrighted computer programs including, but not limited to, the exclusive right to copy or reproduce in any form the copyrighted computer program.

  • Page 3

    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 4

    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 5

    - approved antennas, batteries and accessories may exceed IEEE/ICNIRP RF exposure guidelines. For a list of Motorola-approved antennas, batteries, and other accessories please see your dealer or local Motorola contact. Your nearest dealer can be found at the following web site:...

  • Page 6: Additional Information

    MTP850 TETRA Handportable Terminal / Basic Service Manual Additional Information For additional information on exposure requirements or other training information, visit http://www.motorola.com/rfhealth Electromagnetic Interference/Compatibility NOTE:Nearly every electronic device is susceptible to electromagnetic interference (EMI) if inadequately shielded, designed, or otherwise configured for electromagnetic compatibility.

  • Page 7

    MTP850 TETRA Handportable Terminal / Basic Service Manual Use of Communication Devices While Driving Always check the laws and regulations on the use of radios in the area where you drive. • Give full attention to driving and to the road. •...

  • Page 8

    Operational Cautions for Intrinsic Safe Equipment Radios must ship from the Motorola manufacturing facility with the hazardous atmosphere capability and the intrinsic safety approval labelling (FM, UL, CSA, CENELEC or ATEX). Radios will not be upgraded to this capability and labeled once they have been shipped to the field.

  • Page 9

    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 10

    MTP850 TETRA Handportable Terminal / Basic Service Manual Notes...

  • Page 11

    Updated 380–430MHz Full Band radio information (new design Dec. 2007 for Receiver & GPS). 6866537D77-E Appendix A: Apr. 2008 Updated service tanapa list. 6866537D77-F Added information for the new 1.8 Watt radio. July 2009 6866537D77-G Added information for new MTP850 S and MTP850 FuG Feb. 2010 models.

  • Page 12

    MTP850 TETRA Handportable Terminal / Basic Service Manual Notes...

  • Page 13: Table Of Contents

    Warranty and Service Support ........................1-4 Warranty Period and Return Instructions ..................1-4 After Warranty Period ........................1-4 CHAPTER 2 MODEL INFORMATION............2-1 MTP850/MTP850 S/MTP850 FuG Model Information .................. 2-1 MTP850/MTP850 S/MTP850 FuG Model Specifications ................2-2 CHAPTER 3 OVERVIEW .................3-1 General ................................. 3-1 Digital Modulation Technology.........................

  • Page 14

    MTP850 TETRA Handportable Terminal / Basic Service Manual How to Configure the IFR 2968 Setup ....................... 5.1-5 How to Configure the IFR 2968 Manual Test Screen ................5.1-7 RF Tests ..............................5.1-8 Receiver Tests ............................5.1-8 Transmitter Tests ..........................5.1-8 Call Processing Test...........................

  • Page 15

    To remove the Internal Assembly from the unit (for MTP850 terminals) ......... 6-15 To remove the Internal Assembly from the unit (for MTP850 S and MTP850 FuG terminals) ..6-16 To install the Internal Assembly (for MTP850 terminals) ..............6-16 To install the Internal Assembly (for MTP850 S and MTP850 FuG terminals) ........

  • Page 16

    To remove the Earpiece from the unit....................6-27 To install the Earpiece........................6-27 Removing and Installing the UC Escutcheon (applicable to MTP850 S and MTP850 FuG only) ..6-27 To remove the UC Escutcheon from the unit ................... 6-27 To install the UC Escutcheon......................6-27 Removing and Installing the UC Flex Assembly (applicable to MTP850 S and MTP850 FuG only)..

  • Page 17: Copyright

    Scope of this Manual This manual contains information necessary to test and maintain the MTP850/MTP850 S/MTP850 FuG TETRA Handportable Terminal at the module level. It also contains information on radio assembling and disassembling. Accordingly, information in this manual is divided into the following sections: •...

  • Page 18: Related Emea Publications (europe, Middle East And Africa Region)

    MTP850 / MTP850 S / MTP850 FuG Basic User Guide (EN / DE / FR / ES / NL) • 6866539D03 MTP850 / MTP850 S / MTP850 FuG Basic User Guide (EN / PL / EL / RU / AR / MK ) • 6866539D04...

  • Page 19: Related Apac Publications (asia Pacific Region)

    SCOPE & WARRANTY MTP850 TETRA Handportable Terminal / Basic Service Manual 1 - 3 • 6866539D55 TETRA CPS Start-up User Guide - EN, HU • 6866588D27 TETRA CPS Start-up User Guide - EN, DE • 6866588D36 TETRA CPS Start-up User Guide - EN, IT •...

  • Page 20: Warranty And Service Support

    “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 21: Chapter 2 Model Information

    MTP850 TETRA Handportable Terminal / Basic Service Manual 2 - 1 CHAPTER 2 MODEL INFORMATION MTP850/MTP850 S/MTP850 FuG Model Information This manual applies to the following MTP850/MTP850 S/MTP850 FuG, 1 W and 1.8 W, TETRA Handportable Terminal model: H60UCN6TZ5AN, 806–870 MHz H60PCN6TZ5AN, 380–430 MHz H60PCN6TZ6AN, 380–430 MHz H60PCN6TZ7AN, 380–430 MHz...

  • Page 22: Mtp850/mtp850 S/mtp850 Fug Model Specifications

    2 - 2 MTP850 TETRA Handportable Terminal / Basic Service Manual MODEL INFORMATION MTP850/MTP850 S/MTP850 FuG Model Specifications GENERAL RECEIVER TRANSMITTER π/4DQPSK ETSI ETS 300 019-1-7 Receiver Type: Class A and B Modulation Type: Type Number: 806–870 MHz Frequency 851–870 MHz...

  • Page 23: Chapter 3 Overview

    The process is called digital modulation. Digital Modulation Technology The MTP850/MTP850 S/MTP850 FuG is a TETRA Handportable Terminal that can operate in dispatch and phone modes. The radio can also operate in TMO (Trunked Mode Operation) and DMO (Direct Mode Operation) modes. It uses two π/4 DQPSK...

  • Page 24: Description

    3 - 2 MTP850 TETRA Handportable Terminal / Basic Service Manual OVERVIEW at an acceptable quality level. The terminal uses a coding technique called ACELP (Algebraic Code Excited Linear Prediction). The compressed voice-data bits modulate the RF signal. Description Transceiver Description All the radio circuitry is contained in the Digital/RF Board and the keypad board.

  • Page 25: Receiver Path Description For 806-870 Mhz

    OVERVIEW MTP850 TETRA Handportable Terminal / Basic Service Manual 3 - 3 The Cartesian Loop output power passes to the antenna through the Antenna Switch, Harmonic Filter and Duplexer. Receiver Path Description for 806–870 MHz The receiver section in the terminal is based on the DCR (Direct Conversion) technology, the main concept of this technology is down converting of the RF signal directly into a base band signal, skipping the intermediate stage of IF signal.

  • Page 26

    3 - 4 MTP850 TETRA Handportable Terminal / Basic Service Manual Notes...

  • Page 27: Chapter 4 Programming The Radio

    PROGRAMMING THE RADIO MTP850 TETRA Handportable Terminal / Basic Service Manual 4 - 1 CHAPTER 4 PROGRAMMING THE RADIO NOTE: For programming the radio, refer to 6802974C10 TETRA Customer Programming Software (CPS) user guide.

  • Page 28

    4 - 2 MTP850 TETRA Handportable Terminal / Basic Service Manual Notes...

  • Page 29: Chapter 5.1 Test Setup & Testing 380-430mhz

    Motorola depots where the appropriate TEST & TUNE EQUIPMENT is available.The appropriate TEST & TUNE EQUIPMENT is a special automated test equipment which is only available at some Motorola factories and Motorola repair centers. Typical Test Setup Carry out the following instructions before testing: •...

  • Page 30: Alternative Test Setup

    5.1 - 2 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380–430MHz Connect the red (+) and black (-) wires of the battery eliminator to the respective positive and negative points of the power supply, and use the correct voltage (3.8VDC, max.

  • Page 31: Test Check List

    TEST SETUP & TESTING 380–430MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.1 - 3 Test Check List The following table summarises the required test setups. Test Test Name Test Setup Radio Setup Limits Conditions Base Station Registration Control 390.125 MHz 3605 TETRA 380+0MS...

  • Page 32: Transmitter Tests

    5.1 - 4 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380–430MHz Test Test Name Test Setup Radio Setup Limits Conditions Private 4 digit random 28–32dBm (1W radio) number & “Send” 30.5-34.5dBm (1.8W radio) RF Gen -90dBm 28–32dBm (1W radio) Level Burst...

  • Page 33: How To Configure The Ifr 2968 Setup

    TEST SETUP & TESTING 380–430MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.1 - 5 How to Configure the IFR 2968 Setup Perform the following steps to configure the IFR 2968 with the radio set: 1. Turn ON the IFR. 2.

  • Page 34

    5.1 - 6 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380–430MHz The displayed values are factory defaults and should not be changed. Power On Registration: required Power Off Deregistration: required Priority Cell: yes Minimum Mode Service: may be used Migration: supported System Wide Services: normal mode 18.

  • Page 35: How To Configure The Ifr 2968 Manual Test Screen

    TEST SETUP & TESTING 380–430MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.1 - 7 FAST RE-SELECT THRESHOLD: 10dB FAST RE-SELECT HYSTERESIS: 10dB 22. Press the “Return” soft key. 23. Press the “Trunk Type” soft key and the “message Trunked” soft key (Transmission).

  • Page 36: Rf Tests

    5.1 - 8 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380–430MHz RF Tests Receiver Tests Note: This test requires programming the radio. Refer to 6802974C10 TETRA Customer Programming Software (CPS). Verify that your radio is in “Group Mode”. 1.

  • Page 37: Call Processing Test

    TEST SETUP & TESTING 380–430MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.1 - 9 Call Processing Test Talk Back Before you start this test, make sure that handset and test equipment are configured the same as given in the Transmitter Test. 1.

  • Page 38

    5.1 - 10 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380–430MHz The following results are displayed on the IFR “Manual Test” Screen. • Burst Power Required Results: 28–32dBm (1W radio) or 30.5–34.5dBm (1.8W radio) • Power Profile: Passed •...

  • Page 39: Manual Mode Testing

    TEST SETUP & TESTING 380–430MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.1 - 11 Manual Mode Testing Preparation for Testing 1. Verify that the radio is turned off. 2. Press the “4”, “5” and “6” keys together and then, press the On/Off key to turn the radio on.

  • Page 40

    5.1 - 12 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380–430MHz Note: The following readings appears only when a Universal Crypto Module (UCM) board is installed in the unit. 13. Press any key again. The display shows “UCM Detected”. 14.

  • Page 41

    TEST SETUP & TESTING 380–430MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.1 - 13 28. Press any key again. The display shows “Chopper-Noise test TOP Mic to PHF EAR”. Bind around the antenna one binding of the earpiece cable and place the external earpiece close to your ear and listen for chopper noise.

  • Page 42

    5.1 - 14 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380–430MHz 42. Press any key again. The display shows “Chopper-Noise RSM- SIDE mic to Int earp with UCM”. Bind around the antenna one binding of the RSM cable and listen for chopper noise at radio earpiece.

  • Page 43: Charger Recognition Test

    TEST SETUP & TESTING 380–430MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.1 - 15 55. This completes the test. Press any key to turn the radio OFF. Charger Recognition Test • Turn the radio ON. • Connect the Rapid Travel Charger accessory connector to the handset. Check whether the LCD display shows “charger connected”...

  • Page 44: Service Flowchart

    5.1 - 16 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380–430MHz Service Flowchart Connect the radio to the IFR (1) Fail Pass Perform all Maintenance tests: RF and audio level? Fail - Replace the customer’s radio Replace - Send the radio to Level 3 maintenance Main board...

  • Page 45: Chapter 5.2 Test Setup & Testing 806-870mhz

    This tuning procedure can be applied by certain authorised Motorola depots where the appropriate TEST & TUNE EQUIPMENT is available.The appropriate TEST & TUNE EQUIPMENT is a special automated test equipment which is only available at some Motorola factories and Motorola repair centers.

  • Page 46: Typical Test Setup

    5.2 - 2 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 806-870MHz Typical Test Setup Carry out the following instructions before testing: • Check that you have a fully charged battery (not required when using Battery Eliminator (FTN6904_).

  • Page 47: Alternative Test Setup

    TEST SETUP & TESTING 806-870MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.2 - 3 Alternative Test Setup Cable adapter 2888482K04 enables connecting to the vehicle adapter connector on a stand-alone main board. Thus, it allows testing of the main board in a disassembled unit.

  • Page 48: Transmitter Tests

    5.2 - 4 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 806-870MHz Test Name Test Setup Radio Setup Test Limits Conditions Call Processing Talk Back 1KHz Test -50dBm Signal Group Mode Call Processing Call to Mobile Private 4 digit random 28–32dBm...

  • Page 49: How To Configure The Ifr 2968 Setup

    TEST SETUP & TESTING 806-870MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.2 - 5 How to Configure the IFR 2968 Setup Perform the following steps to configure the IFR 2968 with the radio set: 1. Turn ON the IFR. 2.

  • Page 50

    5.2 - 6 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 806-870MHz The displayed values are factory defaults and should not be changed. Power On Registration: required Power Off Deregistration: required Priority Cell: yes Minimum Mode Service: may be used Migration: supported System Wide Services: normal mode 19.

  • Page 51: How To Configure The Ifr 2968 Manual Test Screen

    TEST SETUP & TESTING 806-870MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.2 - 7 FAST RE-SELECT THRESHOLD: 10dB FAST RE-SELECT HYSTERESIS: 10dB 23. Press the “Return” soft key. 24. Press the “Trunk Type” soft key and the “message Trunked” soft key (Transmission).

  • Page 52: Rf Tests

    5.2 - 8 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 806-870MHz RF Tests Receiver Tests Note: This test requires programming the radio. Refer to 6802974C10 TETRA Customer Programming Software (CPS). Verify that your radio is in “Group Mode”. 1.

  • Page 53: Call Processing Test

    TEST SETUP & TESTING 806-870MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.2 - 9 Call Processing Test Talk Back Before you start this test, make sure that handset and test equipment are configured the same as given in the Transmitter Test. 1.

  • Page 54

    5.2 - 10 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 806-870MHz The following results are displayed on the IFR “Manual Test” Screen. - Burst Power Required Results: 28–32dbm - Power Profile: Passed - Timing Error: <0.25 Symbols. - Vector Error: Max 10% RMS, Max 30% Peak, Max 5% residual.

  • Page 55: Manual Mode Testing

    TEST SETUP & TESTING 806-870MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.2 - 11 Manual Mode Testing Preparation for Testing 1. Verify that the radio is turned off. 2. Press the “4”, “5” and “6” keys together and then, press the On/Off key to turn the radio on.

  • Page 56

    5.2 - 12 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 806-870MHz Note: The following readings appears only when a Universal Crypto Module (UCM) board is installed in the unit. 13. Press any key again. The display shows “UCM Detected”. 14.

  • Page 57

    TEST SETUP & TESTING 806-870MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.2 - 13 28. Press any key again. The display shows “Chopper-Noise PHF Mic Int earp”. Bind around the antenna one binding of the earpiece cable and place the PHF earpiece in your ear and listen for chopper noise.

  • Page 58: Charger Recognition Test

    5.2 - 14 MTP850 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 806-870MHz 42. Press Key. The display shows: <<<< >>>> Every time you press causes the respective display to disappear. 43. After pressing all keys, the display is clear. 44.

  • Page 59: Service Flowchart

    TEST SETUP & TESTING 806-870MHz MTP850 TETRA Handportable Terminal / Basic Service Manual 5.2 - 15 Service Flowchart Connect the radio to the IFR (1) Fail Pass Perform all Maintenance tests: RF and audio level? Fail - Replace the customer’s radio Replace - Send the radio to Level 3 maintenance Main board...

  • Page 60

    5.2 - 16 MTP850 TETRA Handportable Terminal / Basic Service Manual Notes...

  • Page 61: Chapter 6 Maintenance

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 1 CHAPTER 6 MAINTENANCE Preventive Maintenance This TETRA Handportable Terminal does not require a scheduled preventive maintenance program. However, periodic visual inspection is recommended. Inspection Check that the external surfaces of the radio are clean, and that all external controls and switches are functional.

  • Page 62: Cleaning External Plastic Surfaces

    6 - 2 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Cleaning External Plastic Surfaces Apply the 0.5% detergent-water solution sparingly with a stiff, non-metallic, short-bristled brush to work all loose dirt away from the radio. Use a soft, absorbent, lintless cloth or tissue to remove the solution and dry the radio.

  • Page 63: Pre-baking Of Integrated Circuits

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 3 Pre-baking of Integrated Circuits Electronic components are generally coated with plastic material which has the nature of not being waterproof. If kept unsealed the components can absorb humidity. When soldered to the board (especially with reflow techniques) the sudden change in temperature can cause fissure or crack which can result in malfunction or damage.

  • Page 64: Level 1 And Level 2 Maintenance

    Directive 2002/95/EC and Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC. To maintain product compliance and reliability, use only the Motorola specified parts in this manual. For the identification of lead (Pb) free assemblies, all EPP products will carry the EPP Marking with the symbol shown below on the PCB. The marking provides information to those performing assembly, servicing and recycling operation on these product adhering to the JEDEC standard #97.

  • Page 65: To Create A Proper Ground

    To create a proper ground • Ground the working surface of your service bench. If possible, use the Motorola Static Protection Assembly (part #0180386A82) to ground your service bench. This assembly contains a wrist strap, two ground cords, a table mat, and a floor mat.

  • Page 66: To Install The Antenna In The Unit

    6 - 6 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE To install the antenna in the unit Screw the antenna clockwise to the handset. Turn counter-clockwise to detach Turn clockwise to attach Figure 1 Antenna Removal and Installation Removing and Installing the Battery Recommended tools: no tools are required.

  • Page 67: To Install The Battery

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 7 Figure 2 Battery Removal To install the battery 1. Locate the battery so that the upper two tabs are inserted below the tabs on the back housing. 2. Carefully press the battery (lower part) down until it snaps into location.

  • Page 68

    6 - 8 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE fastening bridge battery contacts Figure 3 Location of Fastening Bridge & Battery Contacts Figure 4 Battery Installation...

  • Page 69: Removing And Installing The Top Cover And Back Housing

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 9 Removing and Installing the Top Cover and Back Housing Recommended tools: T-6 Torx bit, Torx driver, mini flat-tip screwdriver. To remove the top cover from the unit 1. Place the unit facing down on clean work area. 2.

  • Page 70: To Remove The Back Housing From The Unit

    6 - 10 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE To remove the back housing from the unit 1. Remove the antenna. 2. Remove the battery. 3. Remove the top cover. 4. Place the unit facing down on the clean work area. 5.

  • Page 71: To Install The Back Housing

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 11 To install the back housing 11. Place main seal in back housing making sure all tabs fit well in the back housing and the seal rests in the groove that goes around the back housing. 12.

  • Page 72: Removing And Installing The Vibrator

    6 - 12 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Removing and Installing the Vibrator Recommended tool: mini flat-tip screwdriver. To remove the vibrator 1. Remove the back housing. Refer to “Removing and Installing the Top Cover and Back Housing” on page 6-9. 2.

  • Page 73: Removing And Installing The Sim Card Door

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 13 Removing and Installing the Sim Card Door Recommended tools: T-6 Torx bit, Torx driver. To remove the Sim Card Door from the unit 1. Remove the battery. 2. Using the Torx driver with the T-6 Torx bit, unscrew the two screws fastening the latch to the back housing.

  • Page 74: Removing And Installing The Emergency Button

    6 - 14 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Removing and Installing the Emergency Button Recommended tools: tweezers, mini flat-tip screwdriver. To remove the Emergency Button from the unit The Emergency button can be pried from the main housing by use of a tweezers or mini flat-tip screwdriver.

  • Page 75: Removing And Installing The Internal Assembly

    Figure 10 UCM Board Removal and Installation Removing and Installing the Internal Assembly Recommended tools: mini flat-tip screwdriver, UC Flex Holder (07012013001) – for MTP850 S and MTP850 FuG only. To remove the Internal Assembly from the unit (for MTP850 terminals) 1.

  • Page 76: To Remove The Internal Assembly From The Unit (for Mtp850 S And Mtp850 Fug Terminals)

    9. Remove the Cover audio jack from the side of the Internal Assembly. To remove the Internal Assembly from the unit (for MTP850 S and MTP850 FuG terminals) 1. Remove the back housing. Refer to “Removing and Installing the Top Cover and Back Housing”...

  • Page 77: To Install The Internal Assembly (for Mtp850 S And Mtp850 Fug Terminals)

    “Removing and installing the UCM Board” on page 6-14. 9. Close the audio jack cover. To install the Internal Assembly (for MTP850 S and MTP850 FuG terminals) 1. Assemble the UC Flex Holder on the front housing, to shield the UC Flex cable during assembly.

  • Page 78

    MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Figure 12 Removal and Installation of the Internal Assembly 2 (MTP850 terminals) UC Flex Holder Figure 13 Removal and Installation of the Internal Assembly 2 (MTP850 S and MTP850 FuG terminals)

  • Page 79: Removing And Installing The Keypad Board And Main Board

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 19 Removing and Installing the Keypad Board and Main Board Recommended tools: T-6 Torx bit, Torx driver, mini flat-tip screwdriver. To remove the Keypad Board and Main Board 1. Remove the internal assembly from the unit. Refer to “Removing and Installing the Internal Assembly”...

  • Page 80: Removing And Installing The Display

    6 - 20 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Figure 14 Keypad Board Removal and Installation Figure 15 Main Board Removal and Installation Removing and installing the Display Recommended tools: mini flat-tip screwdriver Note: Do not touch the display in the active viewing area; fingerprints on this surface cannot be easily removed.

  • Page 81: To Install The Display

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 21 To install the Display 1. Verify that no damage exists on the LCD glass. Install the protective film back in place. 2. Locate the display above the chassis and slide left side of LCD under chassis tab and onto left locating pin and ease into place.

  • Page 82

    6 - 22 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE SEE DETAIL A DETAIL A Figure 18 Display Removal and Installation 3...

  • Page 83: Removing And Installing The Keypad

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 23 Removing and Installing the Keypad Recommended tools: no tool is required. To remove the Keypad 1. Remove the Internal Assembly. Refer to “Removing and Installing the Internal Assembly” on page 6-15. 2.

  • Page 84: Removing And Installing The Rotary Switch

    6 - 24 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Removing and Installing the Rotary Switch Recommended tools: T-6 Torx bit, Torx driver, Phillips screwdriver, mini flat-tip screwdriver, nut selector adapter (FR10056AT), hex head screwdriver. To remove the Rotary Switch 1.

  • Page 85: Removing And Installing The Paddle Ptt

    4. With the mini flat-tip screwdriver, pry the Bezel PTT away from the front housing. 5. Remove rubber keypad PTT. To remove the Paddle PTT (for MTP850 S and MTP850 FuG terminals) 1. With the mini flat-tip screwdriver, pry the PTT away from the front housing.

  • Page 86: Removing And Installing The Microphones

    1. Remove the internal assembly from the unit. Refer to “Removing and Installing the Internal Assembly” on page 6-15. 2. Using tweezers or a mini flat-tip screwdriver, remove the bottom microphone. To install the bottom microphone (not applicable for MTP850 S and MTP850 FuG terminals) 1. Insert the microphone into location.

  • Page 87: Removing And Installing The Earpiece

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 27 Removing and Installing the Earpiece Recommended tools: tweezers. To remove the Earpiece from the unit (See Figure 22 on page 6-30, item No. 9) 1. Remove the Rotary Switch from the unit. Refer to “Removing and Installing the Rotary Switch”...

  • Page 88: Removing And Installing The Uc Flex Assembly (applicable To Mtp850 S And Mtp850 Fug Only)

    To remove the UC Flex Assembly from the unit 1. Remove the UC Escutcheon from the unit. Refer to “Removing and Installing the UC Escutcheon (applicable to MTP850 S and MTP850 FuG only)” on page page 6-27. The removed UC Escutcheon is to be disposed.

  • Page 89: To Install The Uc Flex Assembly

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 29 To install the UC Flex Assembly 1. Guide and press the flex through the front housing slot. 2. Peel off the flex’s adhesive liner on the inside of the front housing, and apply pressure to bond it to the front housing using the rib as a guide.

  • Page 90: Exploded Views

    6 - 30 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Exploded Views MTP850 terminals Figure 22 MTP850 — Exploded View 1...

  • Page 91

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 31 Figure 23 MTP850 — Exploded View 2...

  • Page 92: Torque List

    6 - 32 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Figure 24 MTP850 — Exploded View 3 Torque List Description Part/Kit Quantity Torque Selector screw 0387839V01 2.0±0.5 in-lb (0.23±0.058 Nm) Selector nut 0287571V09 5±0.5 in-lb (0.58±0.058 Nm) UCM Screw 0387839V01 2.0±0.5 in-lb (0.23±0.058 Nm) Simcard screw...

  • Page 93: Replacement Parts (mtp850 Terminals)

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 33 Replacement Parts (MTP850 terminals) Damaged parts should be replaced with identical replacement parts. For complete information on ordering required parts and kits, contact your local customer service representative. The first column of the radio replacement parts list provides you with the call out number of the components as marked in Figure 22 on page 6-30, Figure 23 on page 6-31 and Figure 24 on page 6-32.

  • Page 94

    Retainer rotary connector 0188809V24 Retainer UCM Only when UCM is equipped CLN8527_ UCM assembly The UCM Board can only be CLN8353_ replaced by Motorola Service Centre or Motorola Service Depot. 0480378L02 Lock washer Only when UCM is NOT used 0387839V01 UCM screw...

  • Page 95: Accessories Replacement Parts List

    MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 35 No. from Part/Kit Number Description Remark exploded view 0187506V83 Screw and Washer, External 3387921U12 Motorola Logo Label 0104026J08 Cover Sim 3287533V46 Seal contact battery 44, 45 Antenna † 4286372U24 Retainer Only when UCM is equipped...

  • Page 96

    6 - 36 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Kit Number Description RLN5889 Replacement T-strap HLN9767 Wrist Strap HLN9844 Belt Clip (short, 1.5'') for use with radio top cover HLN9714 Belt Clip (long, 2.5'') for use with radio top cover Audio Accessories FTN6596 Earpiece receive only with coiled cord, suitable for shoulder worn terminals...

  • Page 97: Mtp850 S And Mtp850 Fug Terminals

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 37 MTP850 S and MTP850 FuG terminals Figure 25 MTP850 S and MTP850 FuG — Exploded View 1...

  • Page 98

    6 - 38 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Figure 26 MTP850 S and MTP850 FuG — Exploded View 2...

  • Page 99: Torque List

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 39 Figure 27 MTP850 S and MTP850 FuG — Exploded View 3 Torque List Description Part/Kit Quantity Torque Selector screw 0387839V01 2.0±0.5 in-lb (0.23±0.058 Nm) Selector nut 0287571V09 5±0.5 in-lb (0.58±0.058 Nm)

  • Page 100: Replacement Parts (mtp850 S And Mtp850 Fug Terminals)

    6 - 40 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Replacement Parts (MTP850 S and MTP850 FuG terminals) Damaged parts should be replaced with identical replacement parts. For complete information on ordering required parts and kits, contact your local customer service representative.

  • Page 101

    0480378L02 Lock washer Only when UCM is NOT used CLN8383_ UCM assembly The UCM Board can only be CLN8527_ replaced by Motorola Service Centre or Motorola Service Depot. 7587509V77 Pad, Connector ACC Only when UCM is equipped 4286372U15 Retainer rotary connector...

  • Page 102: Accessories Replacement Parts List

    6 - 42 MTP850 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Accessories Replacement Parts List Kit Number Description Batteries FTN6574 Ultra high capacity battery, 1850 mAh, LiIon Chargers and Vehicle Solutions FTN6575 Dual pocket desktop charger base (requires travel charger /power supply NNTN4250 and specific plug or travel kit) NNTN4250 Travel Charger (power supply unit) US plug, just add country specific adapter...

  • Page 103

    MAINTENANCE MTP850 TETRA Handportable Terminal / Basic Service Manual 6 - 43 Kit Number Description RLN4941 Translucent tube for use with Impres RSM RMN5058 Light-weight headset WADN4190 D-style earpiece for use with Impres RSM PMMN4062 Impress RSM, NC, with Emergency button, IP54 PMMN4040 Submersible RSM PMMN4046...

  • Page 104

    6 - 44 MTP850 TETRA Handportable Terminal / Basic Service Manual Notes...

  • Page 105: Appendix A Service Information

    The Terminals are programmed at the factory. They cannot be tuned at the field service level. Level 3 Maintenance Level 3 maintenance can only be done at the Motorola Service Centre/Depot. To find out more about Motorola Service Centre, please visit http://www.motorola.com/governmentandenterprise Replacement Parts Damaged parts should be replaced with identical replacement parts.

  • Page 106: Service Information

    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 107: Emea Test Equipment Support

    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 108: Latin America Region

    Bosques de Alisos #125 Col. Bosques de las Lomas CP 05120 Mexico DF 5252576700 Piece Parts: To order parts in Latin America and the Caribbean contact your local Motorola GEMS representative. MOTOROLA, INC. Latin American Countries Region 789 International Parkway Sunrise, FL 33325...

  • Page 109

    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. 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.

  • Page 110: Recommended Programming Equipment

    A - 6 MTP850 TETRA Handportable Terminal / Basic Service Manual SERVICE INFORMATION Recommended Programming Equipment Name Part Number Customer CPS RS-232 Programming cable (set cable switch to FLASH) PMKN4025_ USB Programming cable PMKN4026_ Service Replacement Kit Matrix Sales Model Description Service Tanapa Description...

  • Page 111

    SERVICE INFORMATION MTP850 TETRA Handportable Terminal / Basic Service Manual A - 7 Sales Model Description Service Tanapa Description FUE1224_S MTP850 380 TEA3 ENG W/O UCM FUE1228_S MTP850 380 TEA3 ARB W/O UCM FUE1229_S MTP850 380 TEA3 CYR W/O UCM FUE1230_S MTP850 380 TEA3 ENG W/UCM AES128 FUE1234_S...

  • Page 112

    PMUE3396_S † PMUE3535_S MTP850 S 380 CLR ROM MTP850 S 380–430 MHz PMUE3536_S MTP850 S 380 CLR ROM UCM-M AES128 PMUE3537_S MTP850 S 380 CLR ROM UCM-M AES256 PMUE3538_S MTP850 S 380 CLR ARB PMUE3539_S MTP850 S 380 CLR ARB UCM-M AES128...

  • Page 113

    CONNECTOR PIN FUNCTIONS MTP850 TETRA Handportable Terminal / Basic Service Manual B - 1 APPENDIX B CONNECTOR PIN FUNCTIONS CE Bottom Connector BAT_FDBK EXT_B+ USB+/TXD/TDO USB-/RXD/TDI PHF/RSM connector USB_POWER/IGNITION/RTS SWB+ CE connector HOOK_SWITCH/CTS MUTE/FS/DCD AUD_SEL2/SCK/RI AUD_SEL1/SRDA/DTR AUD_SEL0/STDA/DSR OPTION1 OPTION2 AUDIO_OUT/RADIO ON/OFF AUDIO_IN AUDIO_GND 17 pin CE Connector...

  • Page 114: Appendix B Connector Pin Functions

    B - 2 MTP850 TETRA Handportable Terminal / Basic Service Manual CONNECTOR PIN FUNCTIONS Mode Select (Option1 and Option2): The following logic levels can be used to select the requested CE Bus mode: MODE OPTION_1 OPTION_2 USB_PWR AUDIO_IN NORMAL (no accessory) USB Accessory/Computer >4.0V USB accessory / RS232 (6 wire)

  • Page 115: Accessory Connector Pin-outs

    CONNECTOR PIN FUNCTIONS MTP850 TETRA Handportable Terminal / Basic Service Manual B - 3 Accessory Connector Pin-Outs Power/ Bluetooth USB/ Default (RS232/ RS232 RS232 No. Signal Name (Short Form) States SSI) (8 wire) (6 wire) JTAG Power Ground (GND) Battery Feedback (BATT_FDBK) BATT_ BATT_ BATT_ BATT_...

  • Page 116: Audio Side Connector (for Mtp850 Terminals Only

    B - 4 MTP850 TETRA Handportable Terminal / Basic Service Manual CONNECTOR PIN FUNCTIONS AUDIO Side Connector (for MTP850 terminals only) PHF/RSM Connector PHF/RSM Plug MIC EAR GND PTT...

  • Page 117: Rsm Modes Of Operation

    (MICROPHONE COULD BE ON OR OFF) SPEAKER ON (MICROPHONE OFF) Note: For additional information refer to the detailed service manual chapter: Theory of Operation. GCAI Side Audio UC (Universal Connector) - for MTP850 S and MTP850 FuG terminals only OPIO_0 1-Wire...

  • Page 118: Gcai Side Audio Uc - Modes Of Operation

    B - 6 MTP850 TETRA Handportable Terminal / Basic Service Manual CONNECTOR PIN FUNCTIONS GCAI Side Audio UC - Modes of Operation Note: HIGH = Logic 1 = 2.775V +/- 10%, LOW = Logic 0 = < 0.4V IMPRES Default State Default State GMOI State GMOI State...

This manual also for:

Mtp850 fug, Mtp850

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