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TMC Radio SRM 9000 Series Service Manual

Fm vhf/uhf mobile
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SRM 9000 Series
FM VHF/UHF Mobile
Radio Transceiver
Revision 9 Hardware
SERVICE MANUAL
TNM-M-E-0002
ISSUE 1.0
May 2006
ISO9001 Lic.QEC20848
SAI Global

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  • Page 1 SRM 9000 Series FM VHF/UHF Mobile Radio Transceiver Revision 9 Hardware SERVICE MANUAL TNM-M-E-0002 ISSUE 1.0 May 2006 ISO9001 Lic.QEC20848 SAI Global...

  • Page 3: Table Of Contents

    Environmental........................ 19 SERVICE PHILOSOPHY ......................20 ........................20 ERVICE ONCEPT ..........................20 ARRANTY 2.2.1 Service Within and Out Of Warranty ................20 2.2.2 Ancillary Items ....................... 20 ........................20 OFTWARE OLICY © TMC Radio 2006 page i TNM-U-E-0002 Issue 1...
  • Page 4 Tx Power ......................43 4.2.3.7 Modulation......................44 4.2.3.8 Programming...................... 45 4.2.3.9 Customers Radio Personality Data ..............45 REPLACEABLE PARTS......................46 ........................46 OMMON ARTS ......................47 PECIFIC ARTS CIRCUIT DIAGRAMS ......................... 47 © TMC Radio 2006 page ii TNM-U-E-0002 Issue 1...

  • Page 5: Appendices

    APPENDIX A ~ GLOSSARY APPENDIX B ~ TRANSCEIVER CONNECTIONS APPENDIX C ~ SRM9010 MICROPHONE APPENDIX D ~ SRM9020 MICROPHONE APPENDIX E ~ SRM9022 MICROPHONE APPENDIX F ~ SRM9030 CONTROL HEAD APPENDIX G ~ ANCILLARIES © TMC Radio 2006 page iii TNM-U-E-0002 Issue 1...

  • Page 6: Declaration

    Copyright All rights reserved. No part of this publication may be reproduced in any form or by any means without the prior permission of TMC Radio. Errors and Omissions The usefulness of this publication depends upon the accuracy and completeness of the information contained within it.

  • Page 7: Document History

    SRM9025 Trunk Operating Instructions TNM-U-E-0003 SRM9030 PMR Operating Instructions TNM-U-E-0004 SRM9030 Trunk Operating Instructions TNM-U-E-0020 SRM9030 Brief User Guide TNM-U-E-0042 SRM9010 Brief User Guide TNM-U-E-0043 SRM9020 Brief User Guide TNM-U-E-0044 SRM9025 Brief User Guide © TMC Radio 2006 page v TNM-U-E-0002 Issue 1...

  • Page 8: Warnings And Cautions

    Preparing the radio for alignment will erase from the radio all customer PMR and Trunking configuration data (channel, signalling information etc). The only data retained by the Alignment Tool is the factory alignment data for the radio (DAC settings for Tx power, front-end tuning etc). © TMC Radio 2006 page vi TNM-U-E-0002 Issue 1...

  • Page 9: Introduction

    There are two installation methods available for the SRM9000. The outer aluminium extrusion has side flanges that allow the mobile to be bolted directly to any flat surface in the vehicle. A quick release cradle is also available. © TMC Radio 2006 page 1 TNM-U-E-0002 Issue 1...

  • Page 10: Product Variants And Facilities

    Yes* Yes* 66-88MHz, 136-174MHz, 174-208MHz, 208-245MHz, 335-375MHz, Frequency Bands 400-480MHz, 440-520MHz 10/12.5/20/25kHz Channel Spacing Menu driven Customisable Menus * Note: Handsets have a built-in earpiece, therefore an external speaker is optional. © TMC Radio 2006 page 2 TNM-U-E-0002 Issue 1...
  • Page 11 VOX Handsfree Option Option Option Option Option Option 600 Ohm Interface Option DMAP ASI Standard Option Option ASI with GPS Direct GPS Option Option RSM with GPS Option Audio Discriminator Option © TMC Radio 2006 page 3 TNM-U-E-0002 Issue 1...
  • Page 12 Option Option Yes* Yes* Yes* General External IO Option Option Option Option Option Option Option Option Option Option Option Option 600 Ohm Interface * Note: Requires external microphone for optimum performance. © TMC Radio 2006 page 4 TNM-U-E-0002 Issue 1...

  • Page 13: Software Versions And Naming

    PMR with ASI Map27option board PMR with ASI SUP option board PMR with ASI-G Map27option board 9022 Standard PMR. DMAP or No option board 9022 PMR with Scrambler/Discriminator option board 9022 PMR with Direct GPS © TMC Radio 2006 page 5 TNM-U-E-0002 Issue 1...
  • Page 14 Note. The above file names are not stored within the code. As a consequence, when the radio is read by the FPP, the FPP will display version numbers and release dates for the Backup, Startup, PMR, TMR and DMAP codes. The Bootloader, PLA Backup and PLA codes show release dates only. © TMC Radio 2006 page 6 TNM-U-E-0002 Issue 1...

  • Page 15: Version Number

    For Radio SW saved on Disk, this information can be displayed via the Programmer function: Options : Upgrade_Software : Get_File For Software loaded in the radio, information can be read from the Transceiver and displayed via the Programmer function: Options : Radio_Information © TMC Radio 2006 page 7 TNM-U-E-0002 Issue 1...

  • Page 16: Automatic Version Upgrade Prompting

    This process also updates the Startup code to ensure it is compatible with the loaded PMR or Trunk code. Note : If the …\SRM9000\FPP\RadioSW folder contains no files, then the above check will not be performed. © TMC Radio 2006 page 8 TNM-U-E-0002 Issue 1...

  • Page 17: Transceiver Sw Description, Start-Up And Backup-Software

    PCB installed in its chassis. For servicing, the radio PCB can be operated as a stand alone unit provided a temporary heatsink is fitted under the transmitter PA module for transmitter © TMC Radio 2006 page 9...

  • Page 18: Hassis Ssembly

    10.8V to 16.3V DC negative earth (13.8V nom.) Current Consumption Mobile With Control Mic Mobile With Alpha Mic Mobile With Alpha Head ≤ 5mA ≤ 5mA ≤ 5mA Radio off ≤ 200mA ≤ 210mA ≤ 210mA* Standby (squelched): © TMC Radio 2006 page 10 TNM-U-E-0002 Issue 1...
  • Page 19 Transceiver 1.8kg Conformance Approvals EN 300 086 * EN 300 113 * * Pending in some cases EN 300 489 * EN 300 219 * Australia AS4295 * FCC (AC, UW) © TMC Radio 2006 page 11 TNM-U-E-0002 Issue 1...

  • Page 20: Transmitter

    Figures apply for a flat audio response or a 6dB/octave pre- emphasis curve (*2550Hz for 12.5kHz channel spacing) Audio Sensitivity (1kHz) RJ8 Connector: 40mV±2dB Option Audio: 40mV±2dB (User programmable via FPP) © TMC Radio 2006 page 12 TNM-U-E-0002 Issue 1...

  • Page 21: Receiver

    Standard build: Flat Unsquelched Audio: 160mV±1dB RMS (600 ohms) R871=1k, 60% MSD (P2-15) R82=1k, C857=NF: Flat Squelched Audio: 88mV±2dB RMS (600 ohms) at Rated Speaker Audio. Handset Audio (S1-6) 230mV±2dB RMS (600 ohms) at Rated Speaker Audio. © TMC Radio 2006 page 13 TNM-U-E-0002 Issue 1...

  • Page 22: Signalling

    Encoder Tone Deviation: 25kHz channel spacing 500 to 750Hz 20kHz channel spacing 400 to 600Hz 12.5kHz channel spacing 250 to 375Hz Tone Distortion Less than 5.0% Less than ±0.5% Frequency Error © TMC Radio 2006 page 14 TNM-U-E-0002 Issue 1...

  • Page 23: Ffsk

    CCIR, EEA, ZVEI, DZVEI, EIA • ST500/CML: ZVEI_3, DZVEI • CML: CCIR, EEA, ZVEI • SIGTEC: CCIR, CCIRH, EEA, ZVEI_1, XVEI_2, ZVEI_3, NATEL, EIA • SEPAC: CCIR, EEA, ZVEI_1, ZVEI_2, ZVEI_3, EIA © TMC Radio 2006 page 15 TNM-U-E-0002 Issue 1...
  • Page 24 2200 2200 2200 2000 1055 2800 2600 2800 2400 ..2800 2247 2800 2600 2400 ..2600 ..2600 2110 2600 2600 2600 2800 2800 ....© TMC Radio 2006 page 16 TNM-U-E-0002 Issue 1...

  • Page 25: Dtmf

    Inter-Tone Period, programmable: 0 – 2.55s in 10ms steps. Link Establishment Time, programmable: 0 - 10s in 10ms steps. Tx Hang Time, programmable: 0 – 9.99s in 10ms steps. Side-Tone in Loudspeaker: selectable via programmer © TMC Radio 2006 page 17 TNM-U-E-0002 Issue 1...

  • Page 26: Dcs

    The radio can Receive DCS codes in either Transmitted “Normal” or “Inverted” or both (selectable via programmer). Valid DCS Codes 1.8.4.6 C4FM Digital speech format in accordance with TIA/EIA 102 requirements. © TMC Radio 2006 page 18 TNM-U-E-0002 Issue 1...

  • Page 27: Environmental

    Sand and Dust 510.4 Procedure I – Blowing Dust Random Vibration 514.5 Figure 514.5C-1 Transit Drop 516.5 Table 516.5-V1 Functional Shock of severity 25g Acceleration, 6ms pulse duration, 500 shocks in 6 directions. © TMC Radio 2006 page 19 TNM-U-E-0002 Issue 1...

  • Page 28: Service Philosophy

    It is a requirement that once the customer has purchased equipment, TMC Radio can follow this by providing an ongoing, high level of customer support together with a competitive and professional servicing activity.
  • Page 29 Company does not accept liability with respect to any claims for loss of profits or of contracts, or of any other loss of any kind whatsoever on account of use of software and copies thereof. © TMC Radio 2006 page 21 TNM-U-E-0002 Issue 1...

  • Page 30: Technical Description

    Conversion of the 45MHz IF signal to I and Q baseband signals is carried out by the demodulator section of U401. The 90MHz local oscillator signal is generated by VCO Q402 which is phase locked by the auxiliary PLL output of U701 via feedback signal AUX_LO2. © TMC Radio 2006 page 22 TNM-U-E-0002 Issue 1...
  • Page 31 SRM9000 SERIES SERVICE MANUAL Figure 3-1 VHF/UHF Receiver Block Diagram © TMC Radio 2006 page 23 TNM-U-E-0002 Issue 1...

  • Page 32: Receiver Audio Processing

    10 watts into 8 ohms. The carrier and signalling mute functions are performed by Q810/811/813 under DSP control. De-emphasis to the audio PA U805 is performed by R861 and capacitors C866 to C871. Flat audio is provided to S1-6 via amplifier U803A. © TMC Radio 2006 page 24 TNM-U-E-0002 Issue 1...

  • Page 33: Transmitter

    The microphone audio input signal is applied to the microphone input (AUDIO_IN1) and is derived from an external microphone unit with an applied nominal level of 40mV RMS. U801A is a control gate that switches between AUDIO_IN1 and OPTION_AUDIO1 to provide external audio options and data input. © TMC Radio 2006 page 25 TNM-U-E-0002 Issue 1...

  • Page 34: Frequency Synthesiser

    CODEC output at VOUTR is applied to the VCO as a modulation signal with a level of approximately 200mV P/P via AF Switch U801B. Figure 3-2 VHF/UHF Transmitter Block Diagram REQUENCY YNTHESISER General 3.3.1 Refer to Figure 3-3. © TMC Radio 2006 page 26 TNM-U-E-0002 Issue 1...

  • Page 35: Pll

    Tool. Adjustment of the ramp slope effectively changes the Phase Modulator gain by modification of the Schmitt Trigger switching points after modulation from the Integrator is combined to the saw tooth ramp. © TMC Radio 2006 page 27 TNM-U-E-0002 Issue 1...

  • Page 36: Reference Oscillator

    The PLA is configured by the DSP under software control to provide the following functions: • Channel set-up of all operating frequencies • Modulation processing and filtering • De-modulation processing and filtering • Tx power output reference © TMC Radio 2006 page 28 TNM-U-E-0002 Issue 1...

  • Page 37: Dsp Clock Oscillator

    DSP and PLA SW from Flash Memory to their internal RAM’s for faster program execution and access to data. PLA SW is loaded by the factory into the Flash Memory and can be updated via the © TMC Radio 2006 page 29...
  • Page 38 Alignment Tool. DSP SW comprises Start-up code that is also loaded by the factory. High-level SW comprising Operational Code and Customer Configuration are loaded at distribution centres and are loaded via the FPP Programmer. UPDATE Figure 3-4 Controller Block Diagram © TMC Radio 2006 page 30 TNM-U-E-0002 Issue 1...

  • Page 39: Ower Upplies

    FE TUNE level translators, Q404 to Q411 • Analogue supply for U701 Regulated 5.0V switched supply (Tx PSU and Tx PSU+) • Tx power control U520 • Tx buffer Q606 • Various switching functions © TMC Radio 2006 page 31 TNM-U-E-0002 Issue 1...

  • Page 40: Regulator U912

    3.6.2.5 Negative Power Supply U904E/F • -16V output (-16V) for VCO Varicap tuning drivers • -12V Output (-12V) for Front end Varicap tuning drivers 3.6.2.6 Unswitched Battery (13V8_UNSW_F) • Transmit Power Amplifier • Speaker Amplifier © TMC Radio 2006 page 32 TNM-U-E-0002 Issue 1...

  • Page 41: Alignment (Level 3 Service Only)

    Minimum RAM - 16MB. 5MB free hard disk space. Floppy drive - 1.44MB. Mouse and serial port required SRM/SRP Alignment Tool Computer Software file SRM/SRP Field Personality Programmer Computer Software file (FPP) © TMC Radio 2006 page 33 TNM-U-E-0002 Issue 1...
  • Page 42 R = Audio power Load (set as appropriate) Resistor 4R 4W for ½ Bridge Speaker option 9000_49/3b Resistor 8R 12W for full Bridge Speaker option Figure 4-2 SRM9000 Speaker Output Breakout Box © TMC Radio 2006 page 34 TNM-U-E-0002 Issue 1...

  • Page 43: Test Set - Up

    Antenna Skt Coax (<200 mm) Generator Radio Transceiver Test 9000_49 Figure 4-3 Test Set-up Connect the radio to the test equipment as shown in Figure 4-3. Switch on the DC Power Supply. © TMC Radio 2006 page 35 TNM-U-E-0002 Issue 1...

  • Page 44: Comms Set Up

    Go to the Options menu and choose Comms Setup. The Comms Setup dialogue box is displayed. Select the Comms Port setting appropriate to the configuration of your PC and choose üOK. (Usually COM1) © TMC Radio 2006 page 36 TNM-U-E-0002 Issue 1...

  • Page 45: Radio Preparation

    12.5 kHz settings unless otherwise specified. When the radio is configured with the FPP for other channel spacings, the deviation related levels are calculated on a per channel basis by the radio software. © TMC Radio 2006 page 37 TNM-U-E-0002 Issue 1...

  • Page 46: Alignment Procedure

    Select PTT and then select Auto Align. The Synth DAC Tx slider will automatically adjust its value for each transmitter alignment frequency to set the VCO loop filter value between 140 and 150. © TMC Radio 2006 page 38 TNM-U-E-0002 Issue 1...

  • Page 47: Tcxo (Radio Netting Adjustment)

    Select the Mute/TCXO page. Select PTT. Adjust the TCXO slider to ensure that the transmit frequency error is within 50Hz for the selected channel (to be measured on the RF Test Set frequency counter). © TMC Radio 2006 page 39 TNM-U-E-0002 Issue 1...

  • Page 48: Rx Front End

    Repeat Steps 7 to 8 for the remaining 3 Channels (1, 2, & 3). Change deviation to 1.5kHz. Verify that the receiver sensitivity is better than -117.5dBm for 12dB sinad on all channels. (Sensitivity is typically -120dBm). © TMC Radio 2006 page 40 TNM-U-E-0002 Issue 1...

  • Page 49: Mute Adjustment

    For these radios, the Tx Audio Balance DAC is defaulted to zero for normal setting. However, for a more accurate setting, the DC voltage at TP745 needs to be noted during Rx and adjusted by the Tx Audio Balance DAC to give the same reading (to within 10mV). © TMC Radio 2006 page 41 TNM-U-E-0002 Issue 1...

  • Page 50: Rssi

    Select the RSSI Cal page. Set the Signal Generator for a RF output level of -90dBm and 2kHz deviation at the specified frequency. Activate the Store RSSI button. The receiver RSSI threshold setting is calibrated. © TMC Radio 2006 page 42 TNM-U-E-0002 Issue 1...

  • Page 51: Tx Power

    Rev 9C+ only, press “Calibrate TX PA Current” button to automatically set the maximum current limit. Note: This feature is not available on earlier radios and therefore will not be displayed. Release the PTT button. © TMC Radio 2006 page 43 TNM-U-E-0002 Issue 1...

  • Page 52: Modulation

    Modulation Balance slider for the best square wave symmetry. Note. DC coupling is required on the scope for optimum setting accuracy. Repeat steps 8 to 11 inclusive for the remaining 3 Channels (1, 2, & 3). © TMC Radio 2006 page 44 TNM-U-E-0002 Issue 1...

  • Page 53: Programming

    New alignment data is written to the radio. 4.2.3.9 Customers Radio Personality Data If the Customers Radio Personality Data was saved as a separate file, use the FPP Programmer to write this data to the radio. © TMC Radio 2006 page 45 TNM-U-E-0002 Issue 1...

  • Page 54: Replaceable Parts

    3513 505 05991 Audio PA Module U805 3513 999 52036 Voltage Regulator U900, U901, U912 6102 822 00121-0 Voltage Regulator U903 6102 822 00011 Temperature Controlled Crystal Oscillator U700 6102 982 00011-0 © TMC Radio 2006 page 46 TNM-U-E-0002 Issue 1...

  • Page 55: Band -Specific Parts

    K1 Band Receiver I/O Connections 6.26 K1 Band Transmitter E0 Band Receiver 6.27 K1 Band VCO’s E0 Band Transmitter 6.28 K1 Band Synthesizer 6.10 E0 Band VCO’s 6.29 KM Band Receiver © TMC Radio 2006 page 47 TNM-U-E-0002 Issue 1...
  • Page 56 TU Band Synthesizer 6.17 R1 Band Synthesizer 6.36 UW Band Receiver 6.18 R2 Band Receiver 6.37 UW Band Transmitter 6.19 R2 Band Transmitter 6.38 UW Band VCO’s 6.39 UW Band Synthesizer © TMC Radio 2006 page 48 TNM-U-E-0002 Issue 1...

  • Page 57: Tmc Radio 2006

    A feature that equates to 'Do Not Disturb' such that the radio will reject all non- emergency calls. This feature can be activated using the Busy key (if assigned) or from a menu; it is reset to disabled at switch on. C4FM Compatible 4-Level Frequency Modulation. © TMC Radio 2006 page 49 TNM-U-E-0002 Issue 1...
  • Page 58 Only receivers which have been instructed to recognise the same DCS sequence are able to open their squelch and receive the associated speech transmissions. This © TMC Radio 2006 page 50 TNM-U-E-0002 Issue 1...
  • Page 59 Full Off Air Call Set Up. A method of call set-up where the calling party has to manually answer the incoming call before the trunking system will allocate a traffic channel to the call. This reduces the loading on traffic channels as it prevents © TMC Radio 2006 page 51 TNM-U-E-0002 Issue 1...
  • Page 60 SRM9000 SERIES SERVICE MANUAL them being allocated to calls when the called party is not present to deal with the call. Programmable Logic Array. Field Personality Programmer. © TMC Radio 2006 page 52 TNM-U-E-0002 Issue 1...
  • Page 61 Contrast with Closed. Normally an Open channel would not have Selcall Mute and PTT Inhibit would be disabled. OPID Network Operator Identity used in Regional Systems. See Roaming. PABX Private Automatic Branch Exchange. © TMC Radio 2006 page 53 TNM-U-E-0002 Issue 1...
  • Page 62 • If the channel is in Open mode then the channel is closed • The PTT is optionally inhibited see PTT Inhibit After Reset Sequence. • In searching - if paused on a selcall channel then searching resumes © TMC Radio 2006 page 54 TNM-U-E-0002 Issue 1...
  • Page 63 Encode Identities: Status digits within the identity are used to transmit the current situation of the radio's user (e.g. "Out To Lunch"). Decode Identities: Status digits are looked up in a table (Status Menu) for possible messages to display. © TMC Radio 2006 page 55 TNM-U-E-0002 Issue 1...
  • Page 64 (in addition to the Network group Idents defined by Network Group Numbers). This feature is only available if User Defined Groups parameter is enabled. These temporary groups are lost at switch off unless 'Save Groups at Switch Off' is enabled. © TMC Radio 2006 page 56 TNM-U-E-0002 Issue 1...
  • Page 65 Feature used during searching when there is more than one channel that satisfies the required conditions. It involves examining all the channels that satisfy the required conditions, and then selecting the channel with the highest signal strength. Voice Operated Transmit. © TMC Radio 2006 page 57 TNM-U-E-0002 Issue 1...

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