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Tait Orca Handportable Radios Service Manual December 1998 IPN: 449-51000-01...
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PH: +852-2369 3040 FX: +64-3-358 0340 unitedkingdom@taitworld.com FX: +852-2369 3009 hongkong@taitworld.com AUSTRALIA FRANCE Tait Electronics (Aust) Pty Ltd Tait France S.A.R.L. BEIJING PH: +61-7-3865 7799 PH: +33-1-41 14 05 50 Tait Mobile Radio (Hong FX: +61-7-3865 7990 FX: +33-1-41 14 05 55...
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7UDQVPLWWHUýïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïï%ðç 7UDQVPLWýõ7[ôýDXGLRýïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïï%ðç 5HFHLYHUýïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïïï%ðç Tait Electronics Ltd has made every effort to ensure the accuracy of the information in this manual. However, Tait Electronics Ltd reserves the right to update this manual and/or Tait Orca handportable radios and accessories without notice.
Radio specifications 7KHýSHUIRUPDQFHýILJXUHVýRXWOLQHGýLQý7DEOHVý 'HWDLOVýRIýWHVWýPHWKRGVýDQGýWKHýFRQGLWLRQVýWKDWý %ðìýWRý%ðêýDUHýW\SLFDOýILJXUHVñýXQOHVVýRWKHUZLVHý DSSO\ýIRUýW\SHýDSSURYDOýWHVWLQJýLQýDOOýFRXQWULHVý VWDWHGñýIRUýHTXLSPHQWýRSHUDWLQJýDWýVWDQGDUGý FDQýEHýREWDLQHGýIURPý7DLWý(OHFWURQLFVý/WGï URRPýWHPSHUDWXUHïý 7KHýWHVWýPHWKRGVýXVHGýWRýREWDLQýWKHVHýILJXUHVý DUHýWKRVHýGHVFULEHGýLQýWKHý(XURSHDQý7HOHFRPð PXQLFDWLRQý6WDQGDUGý(76ýêííðíåçïý:KHUHý DSSOLFDEOHñýWKHý(,$ýILJXUHýLVýDOVRýJLYHQï Table B-1: General specifications Size W x H x D 62 mm x 153 mm x 44 mm Supply voltage 6.0-9.0 V (including 1100 mAh NiCd (2.4 in x 6.0 in x 1.7 in) battery) Standard test voltage 7.5 V...
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Table B-2: Receiver performance Sensitivity Spurious responses 70 dB 12 dB SINAD -117 dBm (minimum) -120 dBm (typical) Intermodulation 65 dB .25 µV (EIA) 70dB (EIA) 20 dB psophometric -114 dBm (minimum) .40 µV (EIA) Blocking -13 dBm Ultimate signal to noise ratio Spurious emissions narrowband 40 dB...
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Table B-3: Transmitter performance Power output Trunking data deviation (as per MPT1327) 136-174 MHz 1 W (low) 2.5 W (medium) narrowband 1.5 kHz 5 W (high) mediumband 2.4 kHz 174-530 MHz 1 W (low) wideband 3 kHz 2.5 W (medium) 4 W (high) FM hum and noise Duty cycle...
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Table C-1: Test commands Function Description CCTM code Parameters Signalling Set modem to send zeros None Set modem to send ones None Set modem to send preamble None Disable modem signalling None Read modem receive string (continuous) None Disable all signalling None Enable subaudible signalling None...
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Table C-1: Test commands (continued) Function Description CCTM code Parameters Radio info Read radio serial number 94/131 Returns: 6 digit number (hex) Read DSP software version number Returns: 4 digit number (hex) Read radio software version number Returns: 4 digit number Read radio type Returns: radio type (P or M), frequency band (B-J), channel...
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Table C-1: Calculating the parameters required for test command 101 Calculating parameters for test command Example 1: Calculating tttttt for an H band radio Enter the parameters in the format tttttt T rrrrrr R F transmit frequency (MHz) tttttt = tttttt represents the transmit frequency channel spacing (MHz) See Example 1...
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Figure C-1: Fault finding – Radio cannot be switched on Radio cannot be switched on Is the battery charged? Charge the battery. Battery contacts OK? Battery contacts OK? Replace both battery contacts. Replace both battery contacts. Check on/off/volume Check on/off/volume Replace on/off/volume control switch.
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Figure C-2: Fault finding – Cannot change channel (Orca Elan and Orca Excel) Cannot change channel Using the truth table Replace channel below, is channel selector selector switch. operation OK? PINS Return to Mobile Radio Customer Service Department Antenna connector 16-way 1 = S/C to GND On/off/...
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Figure C-3: Fault finding – No serial communication No serial communication Are the physical connections correct, e.g. battery charged, Make sure physical comms lead inserted correctly connections are intact. into the correct port on the PC, flexible loom contacts clean, etc.? Is the software using the Change the ‘COMM Port’...
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Figure C-4: Fault finding – Receive faults Receive faults Is the radio in lock Check programming. Are Is the frequency/band (command 72)? channels programmed correctly. information correct? Is the radio programmed Reprogram radio. correctly? Is the receive sense >-117 dBm? Is squelch operating normally? Recalebrate squelch.
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Figure C-5: Fault finding – Cannot transmit Cannot transmit Check programming. Are Is the radio in lock channels and frequency/band (command 72)? information programmed correctly? Is the radio programmed Reprogram radio. correctly? Is current greater than 1.5 A (high Is RF switch functioning? Is RF out assembly OK? power) or 700 mA (low power)? Is the transmit current...
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Figure C-6: Fault finding – No transmit audio No transmit audio Is the flexible loom Ensure loom is properly fitted inserted correctly? onto the socket on the PCB. When an external accessory is plugged in, is there microphone audio for the accessory? Is the flexible loom damaged? Replace flexible loom.
Figure D-3: Removing the front panel from the chassis, using the battery as leverage battery pack microphone grommet protruding from the shield front panel grip battery here, gently pull away from the front panel chassis pull radio out and away from the front panel at this point shield 0DLQWDLQýSUHVVXUHýDQGýLQVHUWýDýIODWýEODGHGý...
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Figure D-8: Bottom surface of the PCB, which is visible when the shield has been removed from the chassis (Orca Elan or Orca Excel shown) antenna connector channel selector switch on/off/volume control switch antenna connector pin placement (5 pins) speaker contact pin placement channel selector pin placement (6 pins) on/off/volume control pin...
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Figure D-9: Top surface of PCB, which is visible only when the PCB has been removed from the chassis (Orca Elan or Orca Excel shown) antenna connector channel selector switch on/off/volume control switch RF assembly placement auxiliary flex socket PTT tact pin placement (4 pins) battery contact placement battery contact seal placement microphone pin placement (2 pins)
5HSODFHýWKHýQXWVñýPDNLQJýVXUHýWKH\ýDUHýWKUHDGð Fitting the PCB to the chassis and HGýFRUUHFWO\ýEHIRUHýXVLQJýDQýåýPPýORQJýUHDFKý replacing the RF out assembly VRFNHWýGULYHUýVHWýWRýìíýLQFKýSRXQGVïý7KHQýWLJKWð 3XWýWKHýEDWWHU\ýFRQWDFWýVHDOýRYHUýWKHýEDWWHU\ý HQýWKHý3$ýVFUHZýWRýëýLQFKýSRXQGVï FRQWDFWVýUDWKHUýWKDQýLQWRýWKHýFKDVVLVïý,Iý\RXýSXWý 8VLQJýDýKHDY\ðWLSýVROGHULQJýLURQýõHïJïý:HOOHUý WKHýVHDOýRQýWKHýFKDVVLVñýWKHýFRQWDFWVýZLOOýVTXDVKý ë37&&åýWLSôñýVROGHUýWKHýDQWHQQDýFRQQHFWRUý WKHýVHDOï DQGýWZRýVZLWFKHVýLQýSODFHñýLIýUHTXLUHGñýWDNLQJý )LWýWKHýUHSODFHPHQWý5)ýRXWýDVVHPEO\ýDVýVKRZQý FDUHýQRWýWRýGDPDJHýWKHýVXUURXQGLQJýFRPSRð LQý)LJXUHý'ðììï QHQWVï ,Iý\RXýKDYHýUHPRYHGýWKHýDQWHQQDýFRQQHFWRUýRUý 5HSODFHýWKHýNQREýVHDOýRYHUýWKHýDQWHQQDý HLWKHUýRIýWKHýVZLWFKHVýõ2UFDý(ODQýRUý2UFDý([FHOý FRQQHFWRUýDQGýWKHýWZRýVZLWFKHVýõVHHý)LJXUHý UDGLRVýRQO\ôñýILWýWKHPýRQýWKHý3&%ýõUHIHUýWRý 'ðìëôï )LJXUHVý'ðåýDQGý'ðäôñýEXWýGRýQRWý\HWýVROGHUý WKHPýLQýSODFHïý$OLJQýWKHPýZLWKýWKHýKROHVýLQýWKHý Fitting the shield to the chassis FKDVVLVñýDQGýDVý\RXýORZHUýWKHý3&%ýRQWRýWKHý...
Spares kits 7KHýIROORZLQJýWDEOHýVKRZVýDýOLVWýRIýVSDUHVýNLWVý 7DLWý2UFDýPDLQý3&%VýDUHýDYDLODEOHýRQýDQý ZKLFKýDUHýFXUUHQWO\ýDYDLODEOHýIRUýVHUYLFLQJý7DLWý H[FKDQJHýEDVLVýIURPýWKHý&XVWRPHUý6HUYLFHVý 2UFDýKDQGSRUWDEOHVïý6SDUHVýNLWVýDUHýGHVLJQHGý 'LYLVLRQýRIý7DLWý0RELOHý5DGLRïý4XRWHýWKHý WRýVHUYLFHýìííýUDGLRVñýDQGýFDQýEHýRUGHUHGýIURPý SURGXFWýFRGHýVKRZQýLQý7DEOHý'ðëýZKHQýXVLQJý \RXUýORFDOý7DLWýGHDOHUï WKLVýVHUYLFHï Table D-1: Spares kits Table D-2: Exchange PCBs Product code Description Product code PCB Description TOPA-SP-101 Orca Elan radio spares kit KSTOP-SP-B20 136-174 MHz – narrow band TOPA-SP-102 Orca Elan front panel assembly kit KSTOP-SP-H1L 400-440 MHz –...
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Table D-3: Orca Elan spares kit (TOPA-SP-101) Quantity Description Reference supplied 345-00020-01 Chassis screw (M2*8 mm Pan Pozi) 311-01044-00 Channel selector knob 311-01043-00 Volume control knob 316-06633-00 Knob label 316-06629-00 Orca Elan front panel - bare 316-06634-00 Front panel logo plate –...
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Table D-4: Orca Excel spares kit (TOPA-SP-103) Quantity Description Reference supplied 345-00020-01 Chassis screw (M2*8 mm Pan Pozi) 311-01044-00 Channel selector knob 311-01043-00 Volume control knob 316-06633-00 Knob label 362-01092-01 Main seal – 303-11194-02 Handportable chassis (2), 360-02015-00 Microphone grommet/seal 311-03099-00 PTT keypad –...
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Table D-5: Orca Eclipse spares kit (TOPA-SP-105) Quantity Description Reference supplied 345-00020-01 Chassis screw (M2*8 mm Pan Pozi) 362-01092-01 Main seal – 303-11194-02 Handportable chassis (2), 360-02015-00 Microphone grommet/seal 311-03099-00 PTT keypad – 316-85124-00 PTT retaining plate – 360-01060-00 PTT/function key actuator –...
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D - 20 Servicing the radio 11/98 IPN: 449-51000-01...
Figure E-3: Assembly of the desktop fast charger charger base access to the release tab DC jack charger top discharge button fit discharge button here light pipe fit light pipe here Reassembling the charger 5HIHUýWRý)LJXUHý(ðêïý +ROGýWKHýERG\ýRIýWKHýFKDUJHUýXSVLGHýGRZQýDQGý LQVHUWýWKHýGLVFKDUJHýEXWWRQýDQGýWKHýOLJKWýSLSHâý Figure E-4: The fast charger PCB, showing the loca- ERWKýSDUWVýVHOIðRULHQWïý3ODFHýWKHý3&%ýVRýLWýUHVWVý...
Figure E-6: Circuit diagram of the Tait Orca desktop trickle charger = 12-18 VDC from T952-0X2 plug pack (12 VDC @ 1 A) Dropout voltage = 11.5 V LVýQH[WýQHHGHGâýKRZHYHUñýOHDYLQJýWKHýEDWWHU\ýLQý Using the trickle charger WKHýFKDUJHUýIRUýORQJHUýWKDQýëéýKRXUVýLVýQRWý 7KHýWULFNOHýFKDUJHUýLVýQRWýUHFRPPHQGHGýIRUý UHFRPPHQGHGï 1L0+ýEDWWHU\ýSDFNVñýDVýWKH\ýFDQýWDNHýXSýWRýëéý KRXUVýWRýFKDUJHýIXOO\ýDQGýWKHýRYHUDOOýOLIHWLPHýRIý Repairing the trickle charger \RXUýEDWWHU\ýPD\ýEHýUHGXFHGïý8VHýDýIDVWýFKDUJð...
QDOýVSHDNHUñýDQGýRQO\ýWKHýDFFHVVRU\ýVSHDNHUýLVý æïèýPPýDGDSWRUï RSHUDWLRQDOïý&ìñý&ëýDQGý&êýILOWHUýRXWýWKHýDXGLRý VLJQDOñýVRýWKDWýWKHýYROWDJHýVZLQJýRIýWKHýVLJQDOý 7KHýPDLQýIXQFWLRQýRIýWKHýæïèýPPýDGDSWRUýLVýWRý ZLOOýQRWýWXUQýRIIý4ìï GHPXOWLSOH[ýWKHýDFFHVVRU\ªVý0,&î377ýOLQHýLQWRý Figure F-4: Plugs for the 7.5 mm accessory adaptor Speaker jack Mic/PTT jack 3.5 mm 2.5 mm SPK (-) MIC/PTT SPK (+) 7.62 mm F - 8 Interfacing non-Tait accessories 11/98 IPN: 449-51000-01...
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Figure F-5: Circuit diagram of the 7.5 mm accessory adaptor PCB for handportables Interfacing non-Tait accessories F - 9 11/98 IPN: 449-51000-01...
Agree- age to Tait. If you open the product package, that will ment that at all times title and ownership of the be deemed to be acceptance of the terms of this li- Software, whether on the original media or other- cence agreement.
Licencee’s purchase receipt; or enforcement of any judgement in relation to a breach 2. If a diskette is supplied and if Tait is unable to de- of the terms hereof in any jurisdiction Tait considers liver a replacement diskette that is free from de-...
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