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Motorola TETRA MTH800 Basic Service Manual

Handportable terminal 380-430 mhz/440-470 mhz
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See also: User Manual , Installation Manual
MTH800
TETRA Handportable
Terminal
380-430 MHz (PT911FR)
440-470 MHz (PT511FR 1)
Basic Service Manual
Part Number: 6866539D22-D
*6866539D22*
GCD-EMEA, Issue: 04.2008

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Summary of Contents for Motorola TETRA MTH800

  • Page 1 MTH800 TETRA Handportable Terminal 380-430 MHz (PT911FR) 440-470 MHz (PT511FR 1) Basic Service Manual Part Number: 6866539D22-D *6866539D22* GCD-EMEA, Issue: 04.2008...

  • Page 2: Copyright

    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: Document History

    DOCUMENT HISTORY MTH800 TETRA Handportable Terminal / Basic Service Manual DOCUMENT HISTORY The following major changes have been implemented in this manual since the previous edition: Edition Description Date 6866539D22-A Initial edition with enhanced frequency range from 440-470MHz Aug. 2006 (based upon the predecessor service manual for 380-430 &...
  • Page 4 MTH800 TETRA Handportable Terminal / Basic Service Manual Notes...
  • Page 5 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 - 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: http://www.motorola.com/businessandgovernment/wemea/en-...
  • Page 8 MTH800 TETRA Handportable Terminal / Basic Service Manual SAFETY 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 9 SAFETY MTH800 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 10 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 11 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 12 MTH800 TETRA Handportable Terminal / Basic Service Manual Notes...

  • Page 13: Table Of Contents

    CONTENTS MTH800 TETRA Handportable Terminal / Basic Service Manual xiii CONTENTS COPYRIGHT ....................ii DOCUMENT HISTORY................... iii SAFETY ......................v CONTENTS ..................xiii CHAPTER 1 SCOPE & WARRANTY ............1-1 Scope of this Manual ............................. 1-1 Manual Revisions............................1-1 Related Publications ............................1-1 Warranty and Service Support ........................
  • Page 14 MTH800 TETRA Handportable Terminal / Basic Service Manual CONTENTS Simulate Base Station (registration) ....................4-8 RSSI Test............................4-8 Transmitter Tests ............................4-9 Call Processing Test............................. 4-10 Talk Back ..............................4-10 Call to Mobile............................4-10 Digital Duplex Test (Tx) ..........................4-11 Manual Mode Testing ...........................
  • Page 15 CONTENTS MTH800 TETRA Handportable Terminal / Basic Service Manual Disassembling and Reassembling the MTH800 Unit..................6-4 Protecting Static-Sensitive Devices......................6-4 To create a proper ground ........................6-5 To store or transport a circuit board....................6-5 Removing and Installing the Antenna ...................... 6-5 To remove the antenna from the unit....................
  • Page 16 European Systems Component Centre (ESCC).................A-2 Parts Identification and Ordering ......................A-2 EMEA Test Equipment Support ......................A-2 Asia, Pacific Region ..........................A-3 Technical Support ..........................A-3 Further Assistance From Motorola .....................A-3 Piece Parts ............................A-3 Latin America Region ..........................A-4 Recommended Programming Equipment ......................A-6 Service Replacement Kit Matrix ........................A-6 APPENDIX B CONNECTOR PIN FUNCTIONS ........B-1...

  • Page 17: Safety

    SCOPE & WARRANTY MTH800 TETRA Handportable Terminal / Basic Service Manual 1 - 1 CHAPTER 1 SCOPE & WARRANTY Scope of this Manual This manual contains information necessary to test and maintain the MTH800 TETRA Handportable Terminal at the module level. It also contains information on radio assembling and disassembling.

  • Page 18: 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 19: Chapter 2 Model Information

    Position 12 - Unique Model Variations N=Standard Package Positions 2 and 3 - Model Series R=Blue Housing Z=Black Housing 39=Motorola MTH650 Family 78=Motorola MTH800 Family 60=Motorola MTP850 Family Position 11 - Version Position 4 - Frequency Band Version Letter (Alpha) -...

  • Page 20: Mth800 Model Specifications

    2 - 2 MTH800 TETRA Handportable Terminal / Basic Service Manual MTH800 Model Specifications MTH800 Model Specifications GENERAL RECEIVER TRANSMITTER π/4DQPSK ETSI ETS 300 019-1-7 Receiver Type: Class A and B Modulation Type: Type Number: 380-430 MHz Frequency Range: 380-430 MHz 440-470 MHz 440-470 MHz Temperature Range for Transceiver:...

  • Page 21: Chapter 3 Overview

    Digital Modulation Technology MTH800 TETRA Handportable Terminal / Basic Service Manual 3 - 1 CHAPTER 3 OVERVIEW To achieve a high spectrum efficiency, the MTH800 uses digital modulation technology and sophisticated voice-compression algorithm. The voice of the person speaking into the microphone is converted into a digital bit stream consisting of zeros (0) and ones (1).

  • Page 22: Description

    3 - 2 MTH800 TETRA Handportable Terminal / Basic Service Manual Description Description Transceiver Description All the terminal circuitry is contained in the Digital/RF Board and the keypad board. The Digital/RF board is divided into the following sections: digital, frequency generating, transmitter, and receiver. Digital Section Description The digital section includes the Patriot IC that consists of the Mcore risk machine and the Digital Signal Processor (DSP).

  • Page 23: Receiver Path Description

    Description MTH800 TETRA Handportable Terminal / Basic Service Manual 3 - 3 The cartesian Feedback output power passes to the antenna through the Isolator, Antenna Switch, Harmonic Filter and Duplexer. Receiver Path Description The receiver section in MTH800 is based on the novel 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 24 3 - 4 MTH800 TETRA Handportable Terminal /Basic Service Manual Notes...

  • Page 25: Chapter 4.1 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. Do not use FLN9659 for testing MTH800...

  • Page 26: Typical Test Setup

    TEST SETUP & TESTING 380-430MHz Typical Test Setup Note: Check with your Motorola local representative for the availability of Cradle FTN6308 required for this type of testing, it is part of Digital Car Kit FTN6307. Carry out the following instructions before testing: •...

  • Page 27: Alternative Test Setup

    TEST SETUP & TESTING 380-430MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.1 - 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 28: Transmitter Tests

    4.1 - 4 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380-430MHz Test Name Test Setup Terminal 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 29: Duplex Test

    TEST SETUP & TESTING 380-430MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.1 - 5 Duplex Test 1. Digital Duplex Test (Tx) Measurement Capabilities: Bar charts (Tx Power, Freq. Err, Vector Rms.), Spectrum Analyser, Power Analyser, Vector Analyser, Vector Diagrams How to Configure the IFR 2968 Setup Perform the following steps to configure the IFR 2968 with the terminal set: 1.
  • Page 30 4.1 - 6 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380-430MHz Note: You are entering base services setup. If the displayed values are different, please change the IFR setting to be similar to the values below. Power On Registration: required Power Off Deregistration: required Priority Cell: yes...

  • Page 31: How To Configure The Ifr 2968 Manual Test Screen

    TEST SETUP & TESTING 380-430MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.1 - 7 SLOW RE-SELECT HYSTERESIS: 10dB FAST RE-SELECT THRESHOLD: 10dB FAST RE-SELECT HYSTERESIS: 10dB 20. Press the “Return” softkey. 21. Press the “Trunk Type” softkey and “Tx Trunked” softkey (Transmission). 22.

  • Page 32: Rf Tests

    4.1 - 8 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380-430MHz RF Tests Receiver Tests Simulate Base Station (registration) NOTE: This test requires programming the terminal. Refer to 6802974C10 TETRA Customer Programming Software (CPS) for MTH800. 1.

  • Page 33: Transmitter Tests

    TEST SETUP & TESTING 380-430MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.1 - 9 Note:RSSI results will flash on the screen every few seconds. The display shows: SERV: xx RSSI: -81 SQE: xx Disregard the “SERV” and “SQE” results. The actual measured result should be: {-80dBm (IFR RF Gen Level) -0.5dB(adapter)-XdB (cable)} +/-1 dB.

  • Page 34: Call Processing Test

    4.1 - 10 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380-430MHz - Vector Error: Max 10% RMS, Max 30% Peak. - Max 5% residual. - Frequency Error: -/+ 100Hz. Press the “Clear Down” softkey, to proceed with other tests. Call Processing Test Talk Back Before you start this test, make sure that handset and test equipment are...

  • Page 35: Digital Duplex Test (Tx)

    TEST SETUP & TESTING 380-430MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.1 - 11 Digital Duplex Test (Tx) 1. Perform the following test in “Phone” or “Private” mode. 2. Dial a random number “9359” using the Alphanumeric keys of the terminal and press the “Send”...

  • Page 36: Manual Mode Testing

    4.1 - 12 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380-430MHz 11. Press the “Vector Diagram” softkey. 12. Press the “Rotated vector” to zoom in on the constellation. 13. Press the handset “End” key. Manual Mode Testing Preparation for Testing 1.
  • Page 37 TEST SETUP & TESTING 380-430MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.1 - 13 12. Press any key again. The display shows "Display Backlight On" and the display backlight is On. Note: The following readings appears only when a Universal Crypto Module (UCM) board is installed in the unit.
  • Page 38 4.1 - 14 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380-430MHz 29. Press any key again. The display shows "RSM-CE connector MIC to INT EARP Loopback Test". Place the internal earpiece close to your ear. Speak into the RSM mic, and you will hear your voice via the internal earpiece.

  • Page 39: Charger Recognition Test

    TEST SETUP & TESTING 380-430MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.1 - 15 Charger Recognition Test • Turn the terminal ON. • Connect the Rapid Travel Charger accessory connector to the handset. Check whether the LCD display shows “charger connected” and that the keypad back-light is turned ON.

  • Page 40: Service Flowchart

    4.1 - 16 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 380-430MHz Service Flowchart Connect the terminal to the IFR (1) Fail Pass Perform all Maintenance tests: RF and audio level? Fail - Replace the customer’s terminal Replace - Send the terminal to Level 3 maintenance Main board...

  • Page 41: Chapter 4.2 Test Setup & Testing 440-470Mhz

    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. Do not use FLN9659 for testing MTH800...

  • Page 42: Typical Test Setup

    TEST SETUP & TESTING 440-470MHz Typical Test Setup Note: Check with your Motorola local representative for the availability of Cradle FTN6308 required for this type of testing, it is part of Digital Car Kit FTN6307. Carry out the following instructions before testing: •...

  • Page 43: Alternative Test Setup

    TEST SETUP & TESTING 440-470MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.2 - 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 44: Transmitter Tests

    4.2 - 4 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 440-470MHz Test Name Test Setup Terminal Setup Test Limits Conditions 1KHz Test -50dBm Signal Group Mode Call Processing Call to Mobile Private 4 digit random 28-32dBm number &...

  • Page 45: Duplex Test

    TEST SETUP & TESTING 440-470MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.2 - 5 Duplex Test Digital Duplex Test (Tx) Measurement Capabilities: Bar charts (Tx Power, Freq. Err, Vector Rms.), Spectrum Analyser, Power Analyser, Vector Analyser, Vector Diagrams How to Configure the IFR 2968 Setup Perform the following steps to configure the IFR 2968 with the terminal set: 1.
  • Page 46 4.2 - 6 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 440-470MHz If the displayed values are different, please change the IFR setting to be similar to the values below. Power On Registration: required Power Off Deregistration: required Priority Cell: yes Minimum Mode Service: never used Migration: not supported...

  • Page 47: How To Configure The Ifr 2968 Manual Test Screen

    TEST SETUP & TESTING 440-470MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.2 - 7 FAST RE-SELECT THRESHOLD: 10dB FAST RE-SELECT HYSTERESIS: 10dB 21. Press the “Return” softkey. 22. Press the “Trunk Type” softkey and “Tx Trunked” softkey (Transmission). 23.

  • Page 48: Rf Tests

    4.2 - 8 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 440-470MHz RF Tests Receiver Tests Simulate Base Station (Registration) NOTE: This test requires programming the terminal. Refer to 6802974C10 TETRA Customer Programming Software (CPS) for MTH800. 1.

  • Page 49: Transmitter Tests

    TEST SETUP & TESTING 440-470MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.2 - 9 Note:RSSI results will flash on the screen every few seconds. The display shows: SERV: xx RSSI: -81 SQE: xx Disregard the “SERV” and “SQE” results. The actual measured result should be: {-80dBm (IFR RF Gen Level) -0.5dB(adapter)-XdB (cable)} +/-1 dB.

  • Page 50: Call Processing Test

    4.2 - 10 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 440-470MHz - Vector Error: Max 10% RMS, Max 30% Peak. - Max 5% residual. - Frequency Error: -/+ 100Hz. Press the “Clear Down” softkey, to proceed with other tests. Call Processing Test Talk Back Before you start this test, make sure that handset and test equipment are...

  • Page 51: Digital Duplex Test (Tx)

    TEST SETUP & TESTING 440-470MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.2 - 11 Digital Duplex Test (Tx) 1. Perform the following test in “Phone” or “Private” mode. 2. Dial a random number “9359” using the Alphanumeric keys of the terminal and press the “Send”...

  • Page 52: Manual Mode Testing

    4.2 - 12 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 440-470MHz 11. Press the “Vector Diagram” softkey. 12. Press the “Rotated vector” to zoom in on the constellation. 13. Press the handset “End” key. Manual Mode Testing Preparation for Testing 1.
  • Page 53 TEST SETUP & TESTING 440-470MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.2 - 13 12. Press any key again. The display shows "Display Backlight On" and the display backlight is On. Note: The following readings appears only when a Universal Crypto Module (UCM) board is installed in the unit.
  • Page 54 4.2 - 14 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 440-470MHz 29. Press any key again. The display shows "RSM-CE connector MIC to INT EARP Loopback Test". Place the internal earpiece close to your ear. Speak into the RSM mic, and you will hear your voice via the internal earpiece.

  • Page 55: Charger Recognition Test

    TEST SETUP & TESTING 440-470MHz MTH800 TETRA Handportable Terminal / Basic Service Manual 4.2 - 15 Charger Recognition Test • Turn the terminal ON. • Connect the Rapid Travel Charger accessory connector to the handset. Check whether the LCD display shows “charger connected” and that the keypad back-light is turned ON.

  • Page 56: Service Flowchart

    4.2 - 16 MTH800 TETRA Handportable Terminal / Basic Service Manual TEST SETUP & TESTING 440-470MHz Service Flowchart Connect the terminal to the IFR (1) Fail Pass Perform all Maintenance tests: RF and audio level? Fail - Replace the customer’s terminal Replace - Send the terminal to Level 3 maintenance Main board...

  • Page 57: Chapter 5 Programming The Terminal

    PROGRAMMING THE TERMINAL MTH800 TETRA Handportable Terminal / Basic Service Manual 5 - 1 CHAPTER 5 PROGRAMMING THE TERMINAL NOTE: For programming the terminal, refer to 6802974C10 TETRA Customer Programming Software (CPS) for MTH800.
  • Page 58 5 - 2 MTH800 TETRA Handportable Terminal / Basic Service Manual Notes...

  • Page 59: Chapter 6 Maintenance

    MAINTENANCE MTH800 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 Inspect the terminal’s external surfaces. A detailed inspection of interior circuitry is not needed or recommended.

  • Page 60: Cleaning External Plastic Surfaces

    6 - 2 MTH800 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 61: Pre-Baking Of Integrated Circuits

    MAINTENANCE MTH800 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 62: Level 1 And Level 2 Maintenance

    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 63: 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 64: To Install The Antenna In The Unit

    6 - 6 MTH800 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 Battery Door and Battery Recommended tools: no tools are required To remove the battery door from the unit...

  • Page 65: To Install The Battery

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 7 To install the battery 1. Locate the battery so that the upper part (thin part) is inserted underneath the fastening bridge. 2. Carefully press the battery lower part (coloured silver) down until it snaps into location.

  • Page 66: Removing And Installing The Audio Assembly Cap

    6 - 8 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Figure 4 Thick Battery Door Removal and Installation FASTENING BRIDGE ASTENING BRIDGE Figure 5 Thick Battery Removal and Installation Removing and Installing the Audio Assembly Cap Recommended tools: no tools are required To remove the audio assembly cap from the unit Pull the cap away from the audio assembly.

  • Page 67: Removing And Installing The Back Housing

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 9 1. Slide the tooth-shaped tip into location. 2. Snap the tip into location. 1. Slide 2. Snap Figure 6 Audio Assembly Cap Removal and Installation Removing and Installing the Back Housing Recommended tools: T-8 Torx bit, Torx driver, mini flat-tip screwdriver To remove the back housing from the unit (See Figure 7)
  • Page 68 6 - 10 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE LOGO LABEL BACK HOUSING WITH ANTENNA BUSHING WASHER (6x) SCREW (6x) TAMPER EVIDENT LABEL Figure 7 Back Housing Removal and Installation CAP (BLUE, 2x) ANTENNA SWITCH INTERNAL SEAL VEHICLE ADAPTER INTERNAL SEAL BACK HOUSING...

  • Page 69: To Install The Back Housing

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 11 To install the back housing 1. Position the back housing over the unit. 2. Verify that the cover is positioned correctly, screw holes are aligned to the threads of the front housing, external antenna connector is inserted into its dedicated hole, and the styling groove of the back housing meets the styling groove of the front housing.

  • Page 70: To Install The Main Board

    6 - 12 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE 1. Remove the back housing. Refer to “Removing and Installing the Back Housing” on page 9. 2. Disconnect the accessory flex cable from the main board. 3. Disconnect the main flex cable connector. 4.
  • Page 71 MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 13 When disassembling the main board from the chassis, place the screwdriver’s flat tip as close as possible to the corner of the main board (side 1). Failing to do so might damage one of the components shown in the main board (side 2) details, and thus cause transmitter performance degradation.

  • Page 72: Removing And Installing The Ucm Board

    6 - 14 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Removing and installing the UCM Board Recommended tools: Phillips screwdriver To remove the UCM board from the main board (See Figure 9 and Figure 10) 1. Remove the main board from the display & chassis assembly. Refer to “Removing and Installing the Main Board”...

  • Page 73: To Install The Ucm Board On The Main Board

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 15 To install the UCM board on the main board 1. Hold the Main Board with the UCM connector facing you. 2. Carefully attach the UCM Board to the Main Board. Verify the connector is connected correctly.
  • Page 74 6 - 16 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE SLOT DETAIL SLOT Figure 11 Display Removal - Holders Release DISPLAY HOLDERS DISPLAY FLEX DISPLAY CONNECTOR LOCATION (TO DISPLAY FLEX) PINS SPACER DISPLAY BOARD CHASSIS Figure 12 Display Assembly Removal...

  • Page 75: To Install The Display

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 17 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 display board. Verify that the display is inserted into the 2 location pins.

  • Page 76: To Install The Display Board

    6 - 18 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE CONNECTOR (TO DISPLAY FLEX) CONNECTOR SPACER (TO MAIN FLEX) DISPLAY BOARD Note: The connector is located on the other side of the display board. SIDE SLOT CHASSIS LOCATION Figure 13 Display Board Removal Details To install the display board 1.

  • Page 77: To Remove The Accessory Connector

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 19 To remove the accessory connector (See Figure 14) 1. Remove the display & chassis assembly. Refer to “Removing and installing the Display” on page 15. 2. Using the screw driver, lift the accessory connector retainer and remove the accessory connector.

  • Page 78: Removing And Installing The Keypad

    6 - 20 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Removing and Installing the Keypad Recommended tools: no tool is required To remove the keypad Do not try to remove the keypad board before removing the accessory connector retainer and the accessory connector as this may damage the microphone spring contacts.

  • Page 79: To Install The Keypad

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 21 To install the keypad 1. Install the keypad. Verify that all the keys are properly inserted into their dedicated holes. 2. Install the keypad board. 3. To install the support, slide it onto the audio connector. 4.

  • Page 80: Removing And Installing The Microphones

    MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE 5. Apply DC 744 RTV white-color adhesive (Motorola part # 1186134U01) to the inner perimeter of the selector knob. 6. Insert the selector knob cover (3687537V02) by using a tiny pin.

  • Page 81: To Install The Bottom Microphone

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 23 2. Remove the accessory connector assembly. Refer to “Removing and Installing the Accessory Connector Assembly” on page 18. 3. Remove the keypad board and keypad. Refer to “Removing and Installing the Keypad”...

  • Page 82: Mth800 Unit - Exploded View

    6 - 24 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE MTH800 Unit - Exploded View MTH800 components are listed in the table below. The first column marked with a # sign provides you with the call out numbers of the components as marked in Figure 16, Figure 17, and Figure 18.
  • Page 83 MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 25 MTH800 Components List (Continued) Description Part/Kit Old Main Board kit - 380-430 MHz, or PMLE4416_ - 440-470 MHz PMLE4459_ New Main Board kit - 380-430 MHz, or PMLD4359_ - 440-470 MHz PMLE4519_ UCM Screw...

  • Page 84: Torque List

    6 - 26 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Torque List Description Part/Kit Quantity Torque External screw 0387839V75 3.8±0.3 in-lb (0.43±0.034 Nm). Selector screw 0387839V01 2.5±0.3 in-lb (0.28±0.034 Nm) Selector nut 0287571V04 5±0.5 in-lb (0.58±0.058 Nm) UCM Screw 0387839V01 2.5±0.3 in-lb (0.28±0.034 Nm) Figure 16 Exploded View - Back Housing...
  • Page 85 MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 27 Figure 17 Exploded View (continued) - Display and Chassis Assembly...
  • Page 86 6 - 28 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Figure 18 Exploded View (continued) - Front Housing...

  • Page 87: Replacement Parts

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 29 Replacement Parts Damaged parts should be replaced with identical replacement parts. For complete information on ordering required parts and kits, contact your local customer service representative. Terminal Replacement Parts List Part/Kit Number MTH800 Model Description Quantity...
  • Page 88 6 - 30 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Part/Kit Number MTH800 Model Description Quantity 0104023J25 Audio assembly cap 0116541H01 Flex, selector assembly 7587509V86 Selector Seal Pad 0287571V04 Selector nut 3687537V05 Selector knob 3687537V02 Selector knob cover 0387839V01 Selector screw (M2) 0387839V01...

  • Page 89: Accessories Replacement Parts List

    MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 31 Part/Kit Number MTH800 Model Description Quantity FBN7009 Packaging 1 per 20 terminals 0487779V12 Washer 4387504V52 Rubber cap, blue 4387504V51 Rubber cap, yellow 4387504V53 Rubber cap, green 7586477Z01 Poron pad (glued on chassis) 4387504V34 Spacer (glued on display board) 0788394V58...
  • Page 90 6 - 32 MTH800 TETRA Handportable Terminal / Basic Service Manual MAINTENANCE Kit Number MTH800 Model Description GMEA4290 Rooftop Combined GPS/TETRA Antenna Kit, 380-430 MHz. Includes Antenna, Duplex Filter (GMAE4264), DC Adapter Adapter (FTN6790) GMEA4291 Rooftop Combined GPS/TETRA Antenna Kit, 380-400 MHz. Includes Antenna, Duplex Filter (GMAE4264), DC Adapter (FTN6790) GMEA4292 Rooftop Combined GPS/TETRA Antenna Kit, 410-430 MHz.
  • Page 91 MAINTENANCE MTH800 TETRA Handportable Terminal / Basic Service Manual 6 - 33 Kit Number MTH800 Model Description 8566504A02 Short antenna for 430-470 MHz 1 Data PMKN4025A RS-232 Data cable - for connecting the MTH800 to an external device (such as a laptop or desktop PC). The MTH800 will then be capable of transmitting and receiving data from the external device.
  • Page 92 6 - 34 MTH800 TETRA Handportable Terminal / Basic Service Manual Notes...

  • Page 93: Appendix A Service Information

    Contact your local CGISS office for information. For details, please refer to Service Information below. Service Information European Radio Support Centre (ERSC) Motorola European Radio Support Centre is available at: Motorola European Radio Support Centre ERSC Tel.: +49 (0)30 6686 1555 Fax: +49 (0)30 6686 1579...

  • Page 94: European Systems Component Centre (Escc

    EMEA Test Equipment Support Information related to support and service of Motorola Test Equipment is available by calling the Motorola Test Equipment Service in Germany at +49 (0) 6128 702179, Telefax +49 (0) 6128 951046, through the Customer Care Organization of Motorola’s local area representation, or via the Internet at...

  • Page 95: Asia, Pacific Region

    Piece Parts 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. If a parts list is not included, this generally means that no user-serviceable parts are available for that kit or assembly.

  • Page 96: 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 CGISS representative. MOTOROLA, INC. Latin American Countries Region 789 International Parkway...
  • Page 97 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.

  • Page 98: Recommended Programming Equipment

    A - 6 MTH800 TETRA Handportable Terminal / Basic Service Manual SERVICE INFORMATION Recommended Programming Equipment Name Part Number MTH800 CPS For actual P/N contact your support centre RS-232 Programming cable (set cable switch to FLN9636 FLASH) USB Programming cable PMKN4026_ Service Replacement Kit Matrix Sales Model...

  • Page 99: Appendix B Connector Pin Functions

    CONNECTOR PIN FUNCTIONS MTH800 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 100: Mode Select (Option1 And Option2

    B - 2 MTH800 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 101: Audio Side Connector

    CONNECTOR PIN FUNCTIONS MTH800 TETRA Handportable Terminal / Basic Service Manual B - 3 AUDIO Side Connector PHF/RSM Connector PHF/RSM Plug MIC EAR GND PTT...

  • Page 102: Rsm Modes Of Operation

    B - 4 MTH800 TETRA Handportable Terminal / Basic Service Manual CONNECTOR PIN FUNCTIONS RSM Modes of Operation MUTE OPTION OPTION DUMB DUMB (PIN #9) SELECT 1 SELECT 2 AUDIO IN SEL 0 SEL 2 TERMIAL MODE (PIN #13) (PIN #14) (PIN #16) (PIN #12) (PIN #10)

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