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TMC Radio SRP 9100, Service Manual

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TMC Radio SRP 9100 Service Manual Download Page 6

Page 1.4 

2 ~ SERVICE PHILOSOPHY

Document History 

Issue Date 

Comments 

Draft A-1 

2004-01-10 

Initial issue for Review 

1.21 2004-05-15 

Official 

Release 

1.22 

2004-06-24 

Replaceable parts BOM corrected 

1.23 

2005-01-31 

Update Mute/Audio offset adjustment 

1.24 

2005-09-05 

Updated for Rev 2. 

 

 

 

 

List of Associated Publications 

Document No. 

Description 

Issue 

TNM-U-E-0045 

SRP9100 Brief User Guide 

1 

TNM-U-E-0047 

SRP9100 Operating Instructions PMR  

1 

TNM-U-E-0048 

SRP9100 Operating Instructions Trunked 

1 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of Contents for SRP 9100

Page 1: ...SRP 9100 Series FM VHF UHF Portable Radio Transceiver SERVICE MANUAL TNM M E 0012 ISSUE 1 24 January 2006...

Page 2: ...SRP9100 Series FM VHF UHF Portable Transceiver TNM M E 0012 Iss 1 24...

Page 3: ...5 4 Version Number 1 17 1 5 5 Exclusions 1 17 1 5 6 Displaying Software Versions 1 17 1 5 7 Automatic Version Upgrade Prompting 1 18 1 5 8 Transceiver SW Description Start up and Backup Software 1 19...

Page 4: ...nd PLA 4 7 4 4 2 DSP Clock Oscillator 4 7 4 4 3 PLA PWM 4 7 4 5 MEMORY 4 8 4 6 POWER SUPPLIES 4 8 4 6 1 Power On Function 4 8 4 6 2 Power Supplies 4 9 4 6 2 1 5V Regulator U900 4 9 4 6 2 2 5V Regulato...

Page 5: ...cation 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...

Page 6: ...se 1 22 2004 06 24 Replaceable parts BOM corrected 1 23 2005 01 31 Update Mute Audio offset adjustment 1 24 2005 09 05 Updated for Rev 2 List of Associated Publications Document No Description Issue T...

Page 7: ...adjustments 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...

Page 8: ...ically set to a level determined by the level of the received signal This is used to extend the battery life and or reduce radiated emissions Background Hunting The searching for an alternative and be...

Page 9: ...ype and set to Time shared CRU Central Repair Unit CTCSS CTCSS stands for Continuous Tone Controlled Squelch System A continuous tone lower than the audio range of the receiver is modulated onto the c...

Page 10: ...d Fleet A group of units formed such that only a shortened form of dialling 2 or 3 digits is required between them These groups are normally assigned contiguous Idents FOACSU Full Off Air Call Set Up...

Page 11: ...runking network and in particular information specific to the site that is radiating the control channel It is used by the radio when it is acquiring a control channel to identify valid channels Null...

Page 12: ...ual reset or a Group reset Call Types in Decode Identity When a radio is reset the effect on the radio will be as follows Any Call Alerts will be stopped The Call LED flashing will stop If the channel...

Page 13: ...sages to display SW Software SYS System Identity Code part of the CCSC TCXO Temperature Compensated Crystal Oscillator Temporary Temporary Registration a process carried out by the Dispatcher due to s...

Page 14: ...oups when the user desires to be included temporarily in an existing group Up to 8 groups may be defined in addition to the Network group Idents defined by Network Group Numbers This feature is only a...

Page 15: ...for specified data modulation schemes Filtering pre emphasis de emphasis limiting compression muting CTCSS Selcall or any other frequency or level dependent signal modification Serial communications...

Page 16: ...5 375MHz 400 480MHz 440 520MHz 10 12 5 20 25kHz Menu driven Yes Limited selections Yes Yes Customisable Menus Yes Yes Yes Table 1 2 Conventional PMR Variants Feature Model 9120 9130 9130 Channels 200...

Page 17: ...ands Specifically 136 174MHz 400 450MHz and possible in all other bands Background Hunt and Vote Now Yes Yes MPT1343 dial strings Yes Yes ANN Numbering Yes Yes Phonebook Memories 250 250 User Phoneboo...

Page 18: ...r File Extension as required eg 91tm533 bin 91p_533 bin 91s_533 bin 1 5 2 Application Code This identifies the application the SW was initially designed for 91 Standard SRP9100 Software 1 5 3 Software...

Page 19: ...easily identified by starting the SW Later releases of SW will be backward compatible unless deliberately not so in which case a different directory structure path may be implemented 1 5 6 Displaying...

Page 20: ...in the radio If a later version of SW exists on PC hard disk then the Programmer will prompt the user with the following message NOTE As early versions of FPP cannot recognise a more recent revision...

Page 21: ...the radio can end up in after switch on Mainline Trunk Software or Mainline PMR Software normal power up If the radio does not have a valid Job file configuration loaded then it will display a No PMR...

Page 22: ...find and repair the boards 1 7 SPECIFICATION 1 7 1 General Operation Single or two frequency simplex half duplex Modulation Frequency modulation phase F3E F1D F1E Battery Voltage 7 2V DC nominal Curre...

Page 23: ...from High Power 5W Adjustable down to 0 5W Low Power 0 5W Adjustable up to 5W Transmitter Rise Time Less than 40 ms Duty Cycle 1 minute transmit 4 minutes receive Spurious Emissions 0 25uW 9kHz to 1GH...

Page 24: ...ous Emissions 2nW 57dBm 9kHz to 1GHz 20nW 47dBm 1GHz to 4GHz 20nW 47dBm 9kHz to 4GHz GENERAL FM Residual Noise CCITT weighted 25kHz Channel Spacing 45dB 12 5kHz Channel Spacing 40dB Mute Range Typical...

Page 25: ...S 74 4 D 114 8 2 179 9 T 77 0 M 118 8 3 186 2 U 79 7 E 123 0 4 192 8 I 82 5 N 127 3 5 203 5 V 85 4 F 131 8 6 210 7 A 88 5 O 136 5 7 218 1 W 91 5 G 141 3 8 885 7 J 94 8 P 146 2 9 223 6 97 4 H 151 4 24...

Page 26: ...deviation CTCSS tone at 10 of system deviation Full quieting signal 310Hz to 3000Hz 20dB SINAD RF signal 320Hz to 3000Hz 12dB SINAD RF signal 350Hz to 3000Hz Response Time Less than 250ms full quietin...

Page 27: ...055 C 2247 2400 1055 2247 2247 2247 2400 2400 D 991 2247 991 991 991 2247 E 2110 2110 930 2110 2110 2110 2110 930 F 991 1055 991 Tone SEPAC CML ST500 SIGTEC SEPAC SIGTEC SEPAC SIGTEC EEA ZVEI ZVEI ZVE...

Page 28: ...2000 2200 2000 2000 1477 1869 1869 1869 A 885 885 2600 825 1805 459 2151 2151 B 741 1995 2151 1091 C 2600 810 886 2600 1300 2600 2400 2010 D 810 1700 2010 E 2400 970 2400 2400 2175 2433 459 459 F 2937...

Page 29: ...can be Transmitted Normal or Inverted programmable The radio can Receive DCS codes in either Transmitted Normal or Inverted or both selectable via programmer Valid DCS Codes 023 132 255 413 612 025 13...

Page 30: ...30 Test 2 cycles at 40 C Product Sealing Main Radio Unit IEC529 rating IP54 Accessories IEC529 rating IP54 MIL STD 810 Low Pressure 500 4 Procedure II High Temperature Storage 501 4 Procedure I High T...

Page 31: ...ially the normal 12 month warranty will apply to all radios and ancillaries 2 2 1 Service Within and Out Of Warranty The field Service Level for the SRP9100 portable is LEVEL 2 PCB replacement LEVEL 2...

Page 32: ...sed or implied such by way of example but not of limitation regarding merchantable quality or fitness for any particular purpose or that the software is error free the Company does not accept liabilit...

Page 33: ...e released from the connector on the radio PCB before the frame can be lifted clear of the front casing Also ensure that the volume control top connector assembly stay retained within the chassis and...

Page 34: ...emove the MMI PCB The MMI PCB is held in place by four plastic lugs on the front casing 1 Using a small flat bladed screwdriver exert slight sideways and upwards pressure on the edge of the PCB close...

Page 35: ...Care must be taken when reconnecting the flexi circuits to ensure that they are correctly aligned before pressing home the locking drawers on the connectors 4 Ensure that the metal screen is fitted t...

Page 36: ......

Page 37: ...n channel frequency and tuning and passes through level shifting transistors Q404 to Q411 where it is converted to a negative voltage in the range 0 5V to 11 5V The 12 0V rail of the level translators...

Page 38: ...EC under the control of the DSP The receiver I and Q analogue baseband signals are converted to digital signals by the CODEC ADC before being applied to a series of digital filters which provide the f...

Page 39: ...d to the non inverting input of the comparator The TX_PWR voltage originates from the PLA as a PWM signal and is integrated for application to the comparator PA module output level changes due to supp...

Page 40: ...ntegrator R308 C307 PWM TX Power Set from PLA ADC DAC CODEC U820 TX_MOD From PLA DSP RX TX AF Switch U800A Q I TX RX AF Control From PLA Switch U800C Internal MIC External Audio Control From PLA Inter...

Page 41: ...load variations in following circuits and active power supply filter Q615 minimises supply related noise A PLL feedback signal is sampled from the VCO buffer output via buffer Q607 The 90MHz receiver...

Page 42: ...rmines the overall frequency stability and frequency setting of the radio The frequency setting is achieved by adjusting its ADJ voltage with the Alignment Tool In addition the ADJ input is used in a...

Page 43: ...x current monitor 4 4 2 DSP Clock Oscillator The DSP is clocked by a 15 360MHz oscillator that consists of crystal X200 and an internal DSP oscillator Q200 forms a crystal switching circuit with C205...

Page 44: ...00 Flash Memory U202 CODEC U800 Serial port Serial port TX_DATA RX_DATA XTAL_SHIFT AGC TX_Power 1 BACKLIGHT 2 SPKR_ON 3 PA_ON 4 TX_MODE 5 LEDS 6 PWR_OFF 7 CHG_INH 8 SYNTH_FAST 9 ANALOG GATE CONTROLS T...

Page 45: ...0 are as follows Synthesiser reference oscillator divider and phase modulator VCO Varicap driver Switched RX PSU to VCO output switch Switched TX PSU to TX VCO enable Rx VCO disable Switched TX PSU to...

Page 46: ...press is in Processor Interface to LCD Display The LCD display is driven by LCD driver chip IC901 The driver chip interfaces to the processor via an 8 bit data bus with the write cycle being controll...

Page 47: ...Page 4 11 3 TECHNICAL DESCRIPTION Figure 5 Keypad Layout Backlighting The LCD and keypad backlighting LED s D904 to D918 are turned on by the processor port signal BLITE via driver TR909...

Page 48: ......

Page 49: ...between the demodulated signal and demodulation output connector 2 Variable DC power supply 6 4V to 9 6V at 2 5 amps 3 Oscilloscope 20 MHz bandwidth minimum 4 SRP9100 Programming Alignment Lead P N PA...

Page 50: ...16R RxD In TXD Out 470u 25V 470u 25V 2k7 Zener 5v6 27k 1 1 2 S1 Figure 5 1 SRP9100 Radio Test Interface Unit Notes for test jig 1 The PTT switch activates transmit on the portable 2 Interface data le...

Page 51: ...nect the radio to the test equipment as shown in Figure above 2 Use an adaptor P N PA ACON to provide a coaxial socket termination for the antenna 3 A battery simulator is used to supply power to the...

Page 52: ...CIRCUIT DIAGRAMS 2 Go to the Options menu and choose Comms Setup 3 The Comms Setup dialogue box is displayed Select the Comms Port setting appropriate to the configuration of your PC and choose 9OK Us...

Page 53: ...and save the data to a file Choose Yes if you want to proceed and go to step 3 3 The radio alignment data is read indicated by percentage bar and stored The test alignment data is downloaded into the...

Page 54: ...CO DAC Alignment 1 Select the VCO DAC page 2 Select Auto Align The Synth DAC Rx slider will automatically adjust its value for each receiver alignment frequency to set the VCO loop filter value betwee...

Page 55: ...ue 1 23 5 2 3 2 TCXO Radio Netting Adjustment 1 Select the Mute TCXO page 2 Select PTT 3 Adjust the TCXO slider to ensure that the transmit frequency error is within 50Hz for the selected channel to b...

Page 56: ...suitable level 5 Set the Signal Generator to the Channel 0 carrier frequency with a 1000Hz modulation signal a deviation of 2 kHz and an RF level of 90dBm 6 Select Channel 0 7 Select Auto Align The fr...

Page 57: ...the radio 8 Adjust the Squelch Open slider to the right until the mute opens 9 Reduce the Signal Generator output level by approximately 2dB or by an amount equal to the desired mute hysteresis level...

Page 58: ...deviation at the specified frequency 3 Activate the Store RSSI button The receiver RSSI threshold setting is calibrated 4 Monitor the battery voltage at the simulated battery terminals with an accura...

Page 59: ...ning 3 Channels 1 2 3 7 Select the 1W power level 8 Adjust the Tx Final Value slider for a power output of 1W 9 Repeat step 8 for the remaining 3 Channels 2 1 0 10 Select the 5W power level 11 Adjust...

Page 60: ...S and check that the deviation is within the range 1 25 kHz to 1 75 kHz 7 Repeat steps 2 to 7 inclusive for the remaining 3 Channels 1 2 3 8 Remove the microphone audio input signal 9 Select the Gener...

Page 61: ...mmed with the new alignment data 1 Select Align and choose Write Alignment 2 A warning message is displayed 3 Choose Yes New alignment data is written to the radio 5 2 3 9 Customers Radio Configuratio...

Page 62: ...SY COMPLEX SRP9100 1 6102 350 12081 FRONT CASE ASSY SIMPLE SRP9100 1 6102 350 12091 GASKET LCD 1 3513 902 10442 INSULATOR JACK 1 3513 902 50331 JACK TWIN 1 3513 993 08002 KEYPAD COMPLEX keypad 9130 1...

Page 63: ...AC ANTENNA HELICAL K1 KM BAND 174 245 MHz SRP9100 PA AHAK ANTENNA WHIP R1 BAND 335 375 MHz SRP9100 PA AWR1 ANTENNA HELICAL TU BAND 400 480 MHz SRP9100 PA AHTU ANTENNA HELICAL UW BAND 440 520 MHz SRP91...

Page 64: ...and key press voltage 0 5V To Radio 2 5mm Ring EXT_LS1A Balanced Speaker Drive Nominal Mid Supply To Accessory 2 5mm Sleeve EXT_LS1B Balanced Speaker Drive Nominal Mid Supply To Accessory 3 5mm Tip R...

Page 65: ...lding Specification Maximum circuit current 10mA Type Electret Impedance 2k nominal Sensitivity 64dB 4dB at 1kHz 0dB 1V bar Sensitivity variation relative to 1kHz over frequency range Less than 10dB 2...

Page 66: ...ker Microphone is connected to the radio the radio s microphone is switched out of circuit Operation of the PTT switch brings into circuit the Electret microphone which is powered from a rectified and...

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