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SERVICE MANUAL

TP0332/2

SRP8000 SERIES

VHF/UHF PORTABLE RADIO

Summary of Contents for SRP8000 SERIES

Page 1: ...SERVICE MANUAL TP0332 2 SRP8000 SERIES VHF UHF PORTABLE RADIO...

Page 2: ...ign development and enhanc ing standards which included POCSAG and MPT1327 Simoco is deeply involved in TETRA digital technology pioneering its development since 1990 Simoco s products are backed by a...

Page 3: ...co Europe Ltd WARNING The Battery Chargers which form part of this equipment are designed to meet relevant safety requirements If it is necessary to replace any safety conscious component the correct...

Page 4: ...last line of text affected This paragraph is marked as an example Amendment packs where applicable can be obtained from the Order Desk Should it become necessary to raise the issue of a publication th...

Page 5: ...EQUENCIES 1 5 SECTION 2 COMMISSIONING UNPACKING 2 1 COMMISSIONING 2 1 Warning Label 2 1 Charging the Battery 2 2 Fitting the Antenna 2 2 Fitting the Wrist Lanyard 2 3 Fitting a Battery 2 4 LCD DISPLAY...

Page 6: ...Communications 3 15 Loudspeaker Microphone Flexi Connector 3 15 PTT and Side Key Press Detection 3 15 MMI Display and Keypad not fitted on SRP8010 3 16 Processor Interface to LCD Display 3 16 Key Pre...

Page 7: ...CTION 6 DIAGRAMS See LIST OF ILLUSTRATIONS APPENDIX A BATTERY CHARGERS INTRODUCTION A 1 SPECIFICATION A 2 INSTALLATION A 2 General A 2 OPERATION A 3 Radio with Battery A 3 Battery Alone A 3 SERVICE A...

Page 8: ...stances D 5 Alignment Tool Application Window D 5 USING THE ALIGNMENT TOOL D 5 Connecting a Radio D 5 Aligning the Radio D 5 Using On line Help D 5 Quitting the Alignment Tool D 6 Possible Errors on Q...

Page 9: ...G 1 Mechanical G 1 Environmental G 1 DESCRIPTION G 2 PARTS LIST G 2 APPENDIX H VEHICLE MOUNT ATTACHMENT INTRODUCTION H 1 SPECIFICATION H 1 Mechanical H 1 Environmental H 1 Electrical H 1 INSTALLATION...

Page 10: ...ssembly 4 4 Figure 4 6 Removing the MMI PCB 4 4 Figure 6 1 Exploded View of the Portable Radio Figure 6 2 Radio PCB Usage Figure 6 3 Radio PCB Component Layout Diagram Side 1 Figure 6 4 Radio PCB Comp...

Page 11: ...repairable and non returnable to the CRU Service Level 2 MMI PCB only and case part replacement will be only be carried out in field repair workshops or in the Central Repair Unit CRU if required Ser...

Page 12: ...ii TP0332 2 SERVICE BULLETINS Service Bulletins will be issued as necessary to inform Branch Offices of any matter affecting the serviceability of the equipment in the field...

Page 13: ...four keys associated with the display SRP8021 A trunked version of the SRP8020 Complex SRP8030 The same controls as the Simple variant with an additional 12 key numeric keypad SRP8031 A trunked versi...

Page 14: ...are for economized versions with no signalling or encryption options Frequency Stability VHF 2 ppm over full temperature range UHF 20 25kHz 2 ppm over full temperature range UHF 12 5kHz 2 ppm over ful...

Page 15: ...ckle Charger PSU US 0000 138 20004 Trickle Charger PSU EU 0000 138 20009 Battery Charger Pocket 2 way 0000 138 20017 Battery Charger Pocket Single way ANCILLARY ITEMS Part Number Description 0000 242...

Page 16: ...50MHz Rx U0 AB R1 440 to 470MHz 138 to 174MHz 335 to 375MHz 5 Channel Spacing S 12 5kHz X 12 5 20 25 kHz 6 Signalling Type C G Conventional Gong An China T Trunked 7 8 Markets 01 02 03 06 07 10 11 Sta...

Page 17: ...11 FUNCTION CODING CHARACTER SYSTEM TONE FREQUENCIES ST 500 CML SZVEI CCIR EEA Type 1 ZVEI Type 2 DZVEI Type 3 CCIR Type 4 EEA Type 5 ZVEI Type 6 DZVEI Type 7 0 TONE 1 TONE 2 TONE 3 TONE 4 TONE 5 TON...

Page 18: ...ving simple warning to highlight the dangers of misuse of nickel cadmium cells The batteries must not be incinerated or allowed to short circuit and they must be disposed of safely 1 Charge the batter...

Page 19: ...necessary to charge the battery using one of the approved battery chargers This takes approximately one hour after which the red LED changes to green Fitting the Antenna Figure 2 3 Fitting the Antenn...

Page 20: ...to the length required for the transmitter centre frequency on which the radio is to be used as shown on the cutting chart supplied refer to Figure 2 3 2 Fit the antenna end cap provided securing with...

Page 21: ...the battery LCD DISPLAY Figure 2 6 LCD Display The SRP8010 variant does not have an LCD display An example of the LCD display is shown in Figure 2 6 The following paragraphs detail the normal configur...

Page 22: ...most discharged Loudspeaker The loudspeaker symbol is displayed to indicate an open channel if programmed Signal Strength This is a four stage bar graph which indicates the strength of the received si...

Page 23: ...ate Steady Red Recoverable Switch on Error Red for 2 seconds Switch on no error Green for 2 seconds Transmit Steady Red Busy Flashing Yellow 0 5s on 0 5s off Called Flashing Green 0 5s on 0 5s off Low...

Page 24: ...0Hz 0 2s on 0 1s off 0 2s on repeated five times every minute until battery on charge or replaced Transmit Time out Warning 1800Hz 0 1s on 0 9s off repeated until Transmit Time out Call Alert type 1 7...

Page 25: ...git component circuit references prefixed with a single digit unique to that particular circuit eg C41 on the PSU circuit diagram has a prefix of 5 so that its circuit reference becomes C541 see below...

Page 26: ...dog pulses keeps TR529 on and hence TR528 off The on off transistor latch TR526 TR527 is thus left untouched by the watchdog circuit and stays this way until the watchdog pulses stop This is described...

Page 27: ...or TR527 TR526 TR529 TR528 TR502 TR503 TX_PSU TX_ON RX_PSU RX_ON Control Transmitter Control Receiver Receiver Frequency Generation RF_PSU Receiver Frequency Generation RX_BIAS VCO_BIAS Control Baseba...

Page 28: ...associated components is the first gain stage of the receiver and is important in defining the overall performance of the receiver The amplifier noise factor is less than 2dB and gain is sufficient t...

Page 29: ...4dB pad giving a total loss of 12dB typical filter loss is 2dB for RSSI Receive Signal Strength Indication linearity In the single channel spacing variant some of the switches are replaced by capacito...

Page 30: ...conducts giving a DC path the PIN diode D100 is on and the red LED LED100 illuminates L102 L103 L104 and associated capacitors form a low pass filter Figure 3 4 Transmitter Block Diagram FREQUENCY GE...

Page 31: ...o point modulation is used to achieve a flat wide audio response fast frequency switching and low power in adjacent channels Modulation of the synthesizer reference frequency is achieved by phase modu...

Page 32: ...ator output control signal AUX_CP This removes the need for the alignment of this oscillator because the frequency is locked to the TCXO and allows its frequency to be varied to avoid potential interf...

Page 33: ...esizer 5 Combined RS232 and IIC Serial Bus Smart Interface Figure 3 6 Various Types of Digital Interfaces The direct processor port pin control signals that interface to various blocks are shown in Fi...

Page 34: ...and associated components The oscillator runs at 11 0592MHz 80ppm The oscillator runs at its normal frequency when both the transmitter and receiver supplies are enabled by the processor In this case...

Page 35: ...RXCLK CD SUB_IO CTCSS DETECT FFSK DETECT SELCALL DETECT ALERT TONE GENERATOR INTERNAL SPEAKER RXOUT2 EXTERNAL SPEAKER RXOUT1 GC11 GC10 GC7 F8 F5 F1 GC2 RXIN GC9 TX MODULATOR LPF FFSK TX SELCALL DTMF...

Page 36: ...the appropriate frequency via the IIC serial bus lines SCL and SDA The tones are summed into the internal transmit path before the 3kHz high pass filter F8 There is no DTMF decode capability in the b...

Page 37: ...combined accessory detect and audio input line MIC1 3 A combined RS232 input and a bi directional IIC data line RXD1_IN 4 A combined RS232 output and IIC clock output line TXD1_OUT 5 A radio ground T...

Page 38: ...nd key press voltage 0V to 5V To radio 3 5mm Ring TXD1_OUT RS232 TxD or IIC SCL or 5V supply output 50mA maximum 0V to 5V To ancillary 3 5mm Tip RXD1_IN RS232 RxD or IIC SDA or trickle charge input 0V...

Page 39: ...comparator IC801_B When RXD1 is driven high the comparator pulls RXD1_IN low via D801 When RXD1 is driven low the comparator output turns off allowing R814 to pull the RXD1_IN output to 5V TR804 play...

Page 40: ...Detection Electronically the keypad keys are arranged in a matrix of 3 rows and 7 columns The rows are driven directly by two processor port signals KEY_ROW1 and KEY_ROW2 which are normally in the low...

Page 41: ...rough channels or menu if active OK Confirm choice or action ie Enter The SRP8030 has 12 additional keys supported by the daughter board arranged as a DTMF keypad Figure 3 12 Keypad and Function Keys...

Page 42: ...on the radio PCB These pins protrude through the metal casting to make contact with contact pads on the battery The function of these pads on the battery are listed in Table 3 7 Table 3 7 Battery Conn...

Page 43: ...rfaces DIS ASSEMBLY Remove the Battery Refer to Figure 4 1 1 Depress the spring loaded battery latch to release the battery 2 Slide the battery down the radio to disengage the retaining lugs 3 Lift th...

Page 44: ...casing The flexi circuit must be released from the connector on the radio PCB before the frame can be lifted clear of the front casing a Slide out the locking drawer of connector SK81 on the radio PCB...

Page 45: ...it on the hidden side of the PCB a Release the PCB from the frame by gentle leverage with a small flat bladed screwdriver at the slots provided either side of the frame b Withdraw the PCB from the fra...

Page 46: ...ce 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 to one of the top retaining lugs whilst exer...

Page 47: ...T INFORMATION EQUIPMENT AND DATA Test Information 1 All RF generator levels are the potential difference from a 50 ohm source 2 All measurements are performed at room temperature 25 C 5 C 3 All tests...

Page 48: ...ed to the sense terminals of the TIU Modulation Meter Marconi 2305 Racal 9008A RF Power Meter Marconi 6960 Racal 9102 Bird equivalent RF Signal Generator 5kHz deviation Marconi 2019 2022 Farnell SG 10...

Page 49: ...pply Input Current 1 0 to 2 5A E0 band 1 0 to 2 8A AB band 1 0 to 2 2A Tk band 1 0 to 2 4A U0 band 1 4 to 2 1A R1 band Frequency Error 200Hz at 25 C Note Transmitting will cause the internal temperatu...

Page 50: ...ctory Mutual 0000 138 10003 Available Autumn 1998 Ancillaries Description Part No Remarks Antenna Adaptor 0000 268 90002 Battery Charger Pocket 2 way 0000 138 20009 Battery Charger Pocket Single way 0...

Page 51: ...216 80622 SRP8010 only Flexi circuit Top Control 0000 216 80027 Frame Assy 0000 447 40042 Gasket LCD 0000 532 40001 Insulator Jack Socket 0000 325 10001 Insulator L S 0000 325 10002 Loudspeaker 16 000...

Page 52: ...ON 6 DIAGRAMS Figure 6 1 Exploded View of the Portable Radio FRONT CASE SWITCH MAT MIC LS FLEXI MMI PCB METAL SCREEN RADIO PCB CAST BATTERY FACILITY TOP FLEXI L S CLIP LOUDSPEAKER GASKET ANTENNA ANCIL...

Page 53: ...er Amp Squelch 1st I F Freq Ref PSU Control Phase Modulator Synthesizer ve Voltage Generator Smart I F Baseband Smart I F Control MMI Antenna Filter Tx Power Amp Rx Front End Battery Connections PSU 2...

Page 54: ...6 4 TP0332 2 Figure 6 3 Radio PCB Component Layout Diagram Side 1 4 0 MAX 3 POS 7 8 MAX 3 POS 5 6 MAX MAIN ASSEMBLY SIDE 1 TOP 101 0 0 2 109 46 0 2 124 0 0 3 2 8 0 3 9 78 1 5 1...

Page 55: ...TP0332 2 6 5 Figure 6 4 Radio PCB Component Layout Diagram Side 2 MAIN ASSEMBLY SIDE 2 BOTTOM...

Page 56: ...PSU ROT_CTRL1 BAT _FS KEY_ROW1 TOP CONTROL FLEXIBLE CIRCUIT CONNECTOR SQUELCH RXD1 GP1 0VA GP3 0VA PTT2 LIMI COMPEX LIM0 COMP1 SCL EXPI SDDA KRY_DET2 TXD1 CONT_PSU RSSI_TX_TEMP GP2 OPTIONS CONNECTOR L...

Page 57: ...TP0332 2 6 7 Figure 6 6 Radio PCB Circuit Diagram...

Page 58: ...6 8 TP0332 2 Figure 6 7 Power Supplies Circuit Diagram...

Page 59: ...TP0332 2 6 9 Figure 6 8 Receiver Circuit Diagram...

Page 60: ...6 10 TP0332 2 Figure 6 9 Transmitter Circuit Diagram Values of these components are frequency dependent...

Page 61: ...TP0332 2 6 11 Figure 6 10 Frequency Generation Circuit Diagram...

Page 62: ...6 12 TP0332 2 Figure 6 11 Baseband Circuit Diagram...

Page 63: ...TP0332 2 6 13 Figure 6 12 Control Circuit Diagram...

Page 64: ...6 14 TP0332 2 Figure 6 13 SMART Interface Circuit Diagram...

Page 65: ...0VA PL1_11 PL1_12 PL1_13 11 12 13 0VD OFF AF_PSU PL1_8 PL1_9 PL1_10 8 9 10 EXT_LSA TXD1_OUT RXD1_IN PL1_5 PL1_6 PL1_7 5 6 7 KEY_ROW1 EXT_LSB MIC1 PL1_2 PL1_3 PL1_4 2 3 4 ALARM PL1_1 1 S4 SK1_B SK1_A...

Page 66: ...0 R920 C904 C905 C902 C903 R964 R908 R924 C911 R953 C918 R948 TR905 TR914 R901 R923 R902 R900 R903 FB903 FB904 R992 IC900 IC901 IC902 R951 C909 R991 R907 R904 R905 R906 R963 FB905 FB902 FB900 FB901 1...

Page 67: ...TP0332 2 6 17 Figure 6 16 MMI PCB Circuit Diagram...

Page 68: ...ophone Flexi Circuit Diagram 7 MIC2 PL1_7 0VA 0VA 5 0VA 0VA PL1_4 4 INT_LSA PL1_2 PL1_3 2 3 INT_LSB PL1_1 1 Loudspeaker and Microphone Flexible Circuit Connector LS1 T036S23A0001 LOUDSPEAKER PL1_5 6 P...

Page 69: ...PSU and three or five dual pocket units mounted side by side The trickle charger is described in Appendix E WARNING This equipment is designed to meet relevant safety requirements If it is necessary t...

Page 70: ...resumes at the end of a transmission Trickle charging at the maximum rate allowed by the battery will be carried out whenever a battery is inserted into the charger and fast charging is either complet...

Page 71: ...CE Cleaning of Charging Contacts To maintain efficient operation ensure that the charging contacts on both the charger and battery are clean Wipe dirty contacts with a clean damp cloth Do not use indu...

Page 72: ...ort circuit Flashing red green The flash rate is 800ms ON 800ms OFF PARTS LIST Description Part No Remarks Desk Charger PSU 110V 0000 138 20005 Desk Charger PSU 230V 0000 138 20006 Battery Charger Poc...

Page 73: ...h states and jack connections are defined as follows SPECIFICATION Microphone Maximum circuit current 10mA Type Electret Impedance 2k nominal Sensitivity 64dB 4dB at 1kHz 0dB 1V bar Sensitivity variat...

Page 74: ...n of the PTT switch brings into circuit the electret microphone which is powered from a rectified and filtered DC supply from the radio R5 is used to generate a PTT interrupt to the radio Speech is su...

Page 75: ...TP0332 2 B 3 PARTS LIST Description Part No Remarks Lapel LS Mic complete 0000 242 10001...

Page 76: ...tch states and jack connections are defined as follows SPECIFICATION Microphone Maximum circuit current 10mA Type Electret Impedance 2 2k Sensitivity 58dB 3dB at 1kHz 0dB 1V bar Sensitivity variation...

Page 77: ...used to generate a PTT interrupt to the radio Speech is superimposed onto this voltage on using the microphone with the PTT switch pressed Earpiece The earpiece connects to the radio via the ring and...

Page 78: ...compatible hardware and software Hardware Requirement The computer that the Alignment Tool is to be installed on must meet certain requirement criteria These criteria are classified as follows Compuls...

Page 79: ...keys together and select End Task for all tasks other than Program Manager If you prefer to run applications using File Manager this may be left open Once these actions are complete Alignment Tool ins...

Page 80: ...ended as it may leave the installation in a midway state 6 Insert the next disk when prompted and select OK on the dialogue that appears Installation will continue with these prompts until the last di...

Page 81: ...the Alignment Tool is started the following types of error messages may be displayed Table D 18 Starting Errors Warning Stage Occurring Action to Take Lack of Disk Space After installation drive and d...

Page 82: ...nnect the radio 1 Plug the 9 way socket on the programming lead into a serial port on the PC Some serial ports may be 25 way in this case an adapter is required not supplied 2 Plug the programming lea...

Page 83: ...o use Possible Errors on Quitting If exiting of the Alignment Tool is attempted when the radio had been prepared for alignment but not restored to its initial state then a warned of this situation is...

Page 84: ...rol Panel 2 Select Enhanced 3 Select the Virtual Memory button Optimizing the Disk Cache If the PC has a disk cache such as SMARTDrive or NCache set up this should be optimized for Alignment Tool use...

Page 85: ...and hence improved performance Control Menu The menu that appears when the top left square in a window is clicked upon On line Help An interactive information system used to provide on screen help on...

Page 86: ...ncillaries connector on the portable radio Terminology In the following text jack connections are defined as follows SPECIFICATION Electrical Supply Voltage 230V 10 UK and EU versions 110V AC 10 US ve...

Page 87: ...y uses a positive input on the RxD pin of the Smart interface on the portable radio to power a current limited source feeding the battery limiting the current to approximately 130mA This circuit is en...

Page 88: ...radio end terminates in a 3 5mm and a 2 5mm stereo jack housed in a common moulding The lead is not screened and as a result it is unlikely to operate successfully when the radio is transmitting Termi...

Page 89: ...t PARTS LIST Description Part No Remarks Programming Lead 0000 321 60001 3 RxD 2 TxD 5 Ground 9 pin 3 5mm Jack Plug 2 5mm Jack Plug 270 ohm 0 125W mounted inside D type housing Dual jack moulding 300...

Page 90: ...t module containing one IC one capacitor one resistor and three diodes Connection to the radio is via the ancillary sockets using a 3 5mm stereo jack plug and a 2 5mm dummy jack plug in a common housi...

Page 91: ...ccessed by the IIC bus The memory address is A0 Hex Figure G 2 User Memory Plug Circuit PARTS LIST Description Part No Remarks User Memory Plug 0000 138 10002 3 2 5 AT24C64N 10SI 3 5mm Jack Plug 2 5mm...

Page 92: ...attachment consists of a moulding holster and a one metre long power lead One end of the power lead is permanently wired to the holster and the other free end is terminated in a vehicle cigar lighter...

Page 93: ...r lighter socket PARTS LIST Description Part No Remarks Vehicle Mount Attachment PA VEHA Not yet available CAUTION A radio that is switched off should NOT be left on trickle charge for more than 24 ho...

Page 94: ...aptor batteries can be charged in PRX7001 or PRX7005 battery chargers Refer to the PRX7001 7005 charger manual for charging details Note When using a PRX7001 or PRX7005 battery charger the charging ti...

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Summary of Contents for SRP8000 SERIES

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