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18

TMAA01-01 Line-Interface Board

TM8000 Mobile Radio 

Accessories Manual

March 2004 

© Tait Electronics Limited

2.2.1

Adjustment Points on the Line-Interface Board 

The following table describes the line-interface adjustment points. 
Adjustments are made by setting the DIP switches on S1 to either “on” or 
“off ” and by three variable resistors (RV1, RV2 and RV3).

2.2.2

Test Equipment Setup

The following diagram shows the setup of the test equipment used when 
adjusting RV1, RV2 and RV3.

:

Table 2.1

Line-interface board adjustment points

Function

Selection 1

Selection 2

two-wire audio interface DIP1 on

DIP2 off

four-wire audio interface DIP1 off

DIP2 on

busy/gate = busy

DIP3 on

DIP4 off

busy/gate = rx-gate

DIP3 off

DIP4 on

busy/gate logic inverted

DIP5 off

DIP6 on

busy/gate logic normal

DIP5 on

DIP6 off

bi-directional keying line

DIP7 on

two-wire keying

DIP 7 off

enable keying delay

DIP8 off

keying delay

adjust RV1

audio line out level

adjust RV2

audio line in level

adjust RV3

line-interface board

top side

Figure 2.1

Line-interface test equipment setup

Содержание TM8000 Series

Страница 1: ...TM8000 mobiles TM8100 Mobile Radio Accessories Manual MMAA00 00 00 812 Version 2 10 March 2004 Tait Electronics Limited...

Страница 2: ...erica Tait Latin America E mail latinamerica taitworld com Tait Europe Regional Head Office United Kingdom Tait Mobile Radio Ltd E mail teusales tait co uk Tait North Asia Regional Head Office Hong Ko...

Страница 3: ...OFTWARE OR FIRMWARE IN WHOLE OR PART Title to Software THIS AGREEMENT DOES NOT CONSTITUTE A CONTRACT OF SALE IN RELATION TO THE SOFTWARE OR FIRMWARE SUPPLIED TO THE LICENSEE NOT WITHSTANDING THE LICEN...

Страница 4: ...OF SHALL BE DETERMINED BY THE NEW ZEALAND COURTS OF LAW PROVIDED HOWEVER TAIT MAY AT ITS ELECTION BRING PROCEEDINGS FOR BREACH OF THE TERMS HEREOF OR FOR THE ENFORCEMENT OF ANY JUDGEMENT IN RELATION T...

Страница 5: ...y to RF Transmissions 13 High Temperatures 13 1 2 Equipment Safety 13 ESD Precautions 13 Antenna Load 14 1 3 Identifying Screw Types 14 Torx Recess Head Screws 14 Allen UNC Screws 15 Pozidriv and Phil...

Страница 6: ...s Extender Links 35 Power Supply Line 36 RX_BEEP_IN Line 36 3 2 Installing the Options Extender Board 37 Parts Required 37 Installation Procedure 37 3 3 Interface Specification 39 3 4 PCB Information...

Страница 7: ...allation 64 Connecting the Handset to the Radio 64 Radio Programming 65 7 2 Interface Specification 66 8 TMAA10 03 High Power Remote Speaker 67 8 1 Installation 67 Remote Speaker Mounting 67 Power Con...

Страница 8: ...t Electronics Limited TOP TM8000 switch 79 TOP Mod Audio Off Mic Audio switch 79 Hook On Hook Off switch 79 Rx Tx PTT switch 80 Speaker Radio Load switch 80 10 3 PCB Information PCB IPN 220 01418 02A...

Страница 9: ...ht All information contained in this manual is the property of Tait Electronics Ltd All rights are reserved This manual may not in whole or in part be copied photocopied reproduced translated stored o...

Страница 10: ...lowing paragraphs illustrate each type of alert and its associated symbol Warning This alert is used when there is a potential risk of death or serious injury Caution This alert is used when there is...

Страница 11: ...cy DIP Dual In Line Package ESD Electrostatic Discharge IC Integrated Circuit IPN Internal Part Number LED Light Emitting Diode NB Narrow Bandwidth 12 5kHz channel spacing PABX Private Automatic Branc...

Страница 12: ...12 TM8100 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited...

Страница 13: ...lectrical blast ing caps or in an explosive atmosphere Operat ing the equipment in these environments is a definite safety hazard Proximity to RF Transmissions Do not operate the transmitter when some...

Страница 14: ...ted with a suitable load to prevent damage to the transmitter output power stage 1 3 Identifying Screw Types Torx Recess Head Screws Torx recess head screws are the standard type of screw used in TM81...

Страница 15: ...s particularly important that you do not use Philips screwdrivers on Pozidriv screw heads as the tapered driving flutes of the Philips screwdriver do not engage correctly with the parallel sided slots...

Страница 16: ...side as shown in the example below The last two digits of this number define the issue status which starts at 01 and increments through 02 03 04 etc as the PCB is updated If the PCB information contai...

Страница 17: ...ts through the external options connector hole provided in the radio chassis 2 1 Operation One of the control head function keys may be programmed to toggle the line interface board on and off When th...

Страница 18: ...test equipment used when adjusting RV1 RV2 and RV3 Table 2 1 Line interface board adjustment points Function Selection 1 Selection 2 two wire audio interface DIP1 on DIP2 off four wire audio interfac...

Страница 19: ...re keying DIP8 off time delay enabled Table 2 2 Line interface default test settings in the Programmable I O form Digital tab Pin Direction Label Action Active Debounce Signal State Mirrored IOP_GPIO1...

Страница 20: ...ng before a mobile is able to mute the audio when the carrier signal disappears The keying time delay is used in conjuction with the keying signal SK1 pin 1 Set DIP8 off and adjust RV1 for the require...

Страница 21: ...roce dure in the TM8100 Service Manual The circled numbers in the following instructions refer to items in the diagram on the previous page 2 Remove the top cover and lid b from the radio to access th...

Страница 22: ...ing screws j Tighten the M3x8 screws to a torque of 1 9N m 17lbf in 8 Plug the unattached end of internal options connector loom 1 into the internal options connector on the radio main PCB 9 Refit the...

Страница 23: ...PT This signal causes the radio to transmit This normally requires External PTT1 to be set up in the Digital tab of the Programmable I O form and the External PTT 1 tab of the PTT form GPIO2 Busy Gate...

Страница 24: ...D AGND analogue ground 4 AUX_MIC_AUD not connected 5 RX_BEEP_IN not connected 6 AUD_TAP_IN AUD_TAP_IN Programmable tap point into the receive or transmit audio chain 7 RX_AUD not connected 8 RSSI not...

Страница 25: ...ng 2 not connected 11 not connected 3 PTT IN bi directional keying input 4 4W_LINE_IN 4 wire line in negative 10 4W_LINE_IN 4 wire line in positive 5 GND ground 6 GND ground 7 not connected 8 not conn...

Страница 26: ...00Hz to 3kHz 20dB relative to 600 Line Output Filter Response stopband 2 pole 6 pole 12dB octave f 4kHz 36dB octave f 4kHz 2 7 1 Radio With Line Interface Board Receiver Line Output Receiver Frequency...

Страница 27: ...nd is coupled through a capacitor into the audio line out level control RV2 This variable resister is AC coupled into the line driver U5 which is used in a bridged output format with gain set to provi...

Страница 28: ...control keying of both radios as well as providing time delays to prevent squelch or cycling problems The logic uses gates rather than discrete components The choice of which input controls BUSY GATE...

Страница 29: ...05 47k 1 R7 038 16220 00 Res 0603 220k 1 16w 5 R8 036 16120 00 Res M F SMD 0805 120k 5 R9 036 02100 03 Res 1218 10e 5 1w PRC201 R10 036 13100 10 Res M F SMD 0805 100e 1 R11 036 14390 00 Res M F SMD 08...

Страница 30: ...E0 1B5 FL5 C1 1J11 FL6 C1 1J11 FL7 B1 1G11 FL8 B0 1G11 Q1 D3 1E10 RV1 E3 1B5 R1 B5 1K2 RV2 E7 1J6 R2 C4 1D7 RV3 E6 1G5 R3 C5 1C3 R5 C4 1D5 R6 C4 1D5 R7 C3 1B5 R8 C4 1D5 R9 C5 1K3 R10 C6 1K4 R11 C3 1E...

Страница 31: ...TM8000 Mobile Radio Accessories Manual TMAA01 01 Line Interface Board 31 March 2004 Tait Electronics Limited 2 9 3 Line Interface Board Layout top side IPN 226 00124 04...

Страница 32: ...32 TMAA01 01 Line Interface Board TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited 2 9 4 Line Interface Board Layout bottom side IPN 226 00124 04...

Страница 33: ...TM8000 Mobile Radio Accessories Manual TMAA01 01 Line Interface Board 33 March 2004 Tait Electronics Limited 2 9 5 Line Interface Board Circuit Diagram...

Страница 34: ...34 TMAA01 01 Line Interface Board TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited...

Страница 35: ...d Important This equipment contains devices which are susceptible to damage from static discharges Refer to ESD Precautions on page 13 for more information The options extender board has various link...

Страница 36: ...e maximum current for the 5V supply line is 400mA 3 1 2 RX_BEEP_IN Line If the RX_BEEP_IN line is required on the external options connector it must replace one of the following lines IOP_RSSI AUD_TAP...

Страница 37: ...is fitted 4 On the inside of the radio lid place the foam seal d over the external options connector cavity e 5 With the top side of the options extender board f facing the radio lid guide the extern...

Страница 38: ...ptions connector on the radio main PCB 9 Refit the radio lid and top cover to the radio and screw the external options cover seal 1 over the external options connector using the two 4 40x3 16 screws 1...

Страница 39: ...t code TMAA30 01 Table 3 3 Internal options connector pins and signals Pin Connector Signal Description 1 13V8_SW switched 13V8 supply from the radio 2 AUD_TAP_OUT Programmable tap point out of the re...

Страница 40: ...logue RSSI output 15 IOP_GPIO1c programmable function and direction 14 IOP_GPIO2c programmable function and direction 13 IOP_GPIO3c programmable function and direction 10 IOP_GPIO4c programmable funct...

Страница 41: ...de BAV99w Dual Ss D8 001 10099 01 Diode BAV99w Dual Ss IC1 002 10020 20 IC SMD ADM202 Rs 232 Con S0 16 IC2 002 10267 40 IC LM2674 S08 Swtch Volt Regul L1 057 10100 65 Ind SMD Pwr Cdrh6D38 100UH 65 L2...

Страница 42: ...42 TMAA01 05 Options Extender Board TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited...

Страница 43: ...TM8000 Mobile Radio Accessories Manual TMAA01 05 Options Extender Board 43 March 2004 Tait Electronics Limited 3 4 2 Options Extender Board Layout top side IPN 226 00129 03...

Страница 44: ...44 TMAA01 05 Options Extender Board TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited 3 4 3 Options Extender Board Layout bottom side IPN 226 00129 03...

Страница 45: ...TM8000 Mobile Radio Accessories Manual TMAA01 05 Options Extender Board 45 March 2004 Tait Electronics Limited 3 4 4 Options Extender Board Circuit Diagram...

Страница 46: ...46 TMAA01 05 Options Extender Board TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited...

Страница 47: ...switch is determined by the radio programming 4 1 Installation 4 1 1 Installing the Microphone Important The DTMF microphone grommet must be installed when ever the microphone is plugged into the micr...

Страница 48: ...ans that when a key is pressed on the microphone the DTMF tones are fed into the radio s speaker at a reduced volume giving the radio user confidence that the tones are being transmitted Refer to the...

Страница 49: ...ne has a standard 12 key telephone keypad When one of the keypad keys is pressed a DTMF tone specific to that key is generated on the MIC_AUD line pin 5 For the duration of the tone the tone generator...

Страница 50: ...50 TMAA02 02 DTMF Microphone TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited...

Страница 51: ...1 Installation Important This equipment contains devices which are susceptible to damage from static discharges Refer to ESD Precautions on page 13 for more information 5 1 1 Disassembling the Radio...

Страница 52: ...ative wire to AGND 1 Note The positive wire on the microphone capsule is identified by a red stripe 6 On the control head PCB remove R11 1 and solder P2 1 and P3 1 in the positions shown 7 Plug S2 1 a...

Страница 53: ...ta from the control head shift register 3 OE enables the output of the shift register of the audio switch 4 CH_SPI_CLK SPI clock signal to clock microphone select data into concealed and dynamic micro...

Страница 54: ...Xstr BC847BW NPN SOT323 Q2 000 10085 71 Xstr SMD BC857BW PNP SOT323 Q3 000 10084 62 Xstr BC846S Dual SOT363 NPN Q4 001 10099 01 Diode BAV99w Dual Ss R1 038 14220 00 Res 0603 2k2 1 16w 5 R2 038 14680...

Страница 55: ...Mobile Radio Accessories Manual TMAA02 06 Support Kit for Concealed Dynamic Microphones 55 March 2004 Tait Electronics Limited 5 4 2 Concealed and Dynamic Microphone Support Board top side IPN 220 01...

Страница 56: ...2 06 Support Kit for Concealed Dynamic Microphones TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited 5 4 3 Concealed and Dynamic Microphone Support Board bottom side IPN 220 0...

Страница 57: ...TM8000 Mobile Radio Accessories Manual TMAA02 06 Support Kit for Concealed Dynamic Microphones 57 March 2004 Tait Electronics Limited 5 4 4 Concealed and Dynamic Microphone Board Circuit Diagram...

Страница 58: ...58 TMAA02 06 Support Kit for Concealed Dynamic Microphones TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited...

Страница 59: ...the microphone and release the PTT key when you have finished talking Note The monitor key can be locked in the on position To do this hold the monitor key down and slide the monitor key towards you...

Страница 60: ...to maximum by rotating R5 counterclockwise 6 4 Interface Specification The following table and diagram summarizes the signals used for the desktop microphone on the radio s microphone connector and sh...

Страница 61: ...capsule and contains a pre amplifier Q1 to boost the microphone level to that required by the radio Power for the pre amplifier is provided by the electret microphone bias circuit within the radio R5...

Страница 62: ...62 TMAA10 01 Desktop Microphone TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited...

Страница 63: ...d from the handset earpiece Using private handset mode the radios internal and external speakers are muted and the call can only be heard from the handset earpiece 7 1 Installation 7 1 1 Installing th...

Страница 64: ...handset microphone grommet must be installed when ever the handset to radio cord is plugged into the microphone socket When installed the grommet has two functions to prevent damage to the microphone...

Страница 65: ...he RX AUDIO line to the handset earpiece The following table shows the settings required in the Programmable I O form of the TM8000 Programming Application Refer to the online help of the programming...

Страница 66: ...between the handset and the radio Table 7 4 Handset microphone connector pins and signals Pin Signal HandsetPCB Connector Colour Description 1 RX_AUD 8 brown receive audio to handset 2 not connected 3...

Страница 67: ...remote speaker from the mounting bracket and use the screws and washers provided to fix the mounting bracket securely in the chosen location Important Check before drilling that the drill will not dam...

Страница 68: ...e speaker receptacles into the TM8100 power connector socket as shown in the diagram below Note The positive remote speaker wire has a white stripe and must be inserted into the position on the power...

Страница 69: ...crophone can provide this Important The radio does not meet the IP54 protection standard once a hands free kit has been installed 9 1 Installation Important Care should be taken to avoid routing any c...

Страница 70: ...mation 9 2 1 Hands Free PTT Form Settings Note If hookswitch operation is programmed for the rugged micro phone and the Inhibit PTT Transmission When Mic On Hook field is selected in the PTT tab of th...

Страница 71: ...ee microphone signal is fed via AUX_MIC_AUD and an input selector to the radio s internal microphone amplifier The microphone input selected depends on the PTT source used to make the call If the remo...

Страница 72: ...71 Xstr SMD BC857BW PNP SOT323 Q3 000 10084 71 Xstr BC847BW NPN SOT323 Q4 000 10084 71 Xstr BC847BW NPN SOT323 R1 038 14220 00 Res 0603 2k2 1 16w 5 R3 038 14390 10 Res 0603 3k9 1 R4 038 15470 10 Res 0...

Страница 73: ...TM8000 Mobile Radio Accessories Manual TMAA10 04 Hands Free Kit 73 March 2004 Tait Electronics Limited 9 5 2 Hands Free Pre Amplifier Board Layout top side IPN 220 01711 01...

Страница 74: ...74 TMAA10 04 Hands Free Kit TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited 9 5 3 Hands Free Pre Amplifier Board Layout bottom side IPN 220 01711 01...

Страница 75: ...TM8000 Mobile Radio Accessories Manual TMAA10 04 Hands Free Kit 75 March 2004 Tait Electronics Limited 9 5 4 Hands Free Pre Amplifier Board Circuit Diagram...

Страница 76: ...76 TMAA10 04 Hands Free Kit TM8000 Mobile Radio Accessories Manual March 2004 Tait Electronics Limited...

Страница 77: ...between the radio a test PC and an RF communications test set The diagram below shows the front panel of the test unit 10 1 Test Equipment Setup The diagram on the following page shows how the test un...

Страница 78: ...r BNC SINAD AUDIO AUDIO IN HI OUT audio monitor out BNC RF in out N TYPE BNC BNC radio connector microphone connector RJ45 TEST PC DB15 serial port DB9 DB9 TMAA21 01 TMAA20 03 cable computer connector...

Страница 79: ...h between Mod Audio Tait Orca portables only Mic Audio and Off no audio signal With the Tait Orca portables this switch can be used for setting up dual point modulation by applying modulation to diffe...

Страница 80: ...r interface If the switch is set to Speaker or Load this simulates an external speaker being connected in par allel to the radio s internal speaker TM8100 radios without a user interface do not have a...

Страница 81: ...Vrt T Ent R1 032 31820 01 Res M F Pwr 17x5 8e2 5 2 5w R2 032 31820 01 Res M F Pwr 17x5 8e2 5 2 5w R3 030 55120 20 Res Flm 4x1 6 12k 5 0 4w R4 030 53560 20 Res Flm 4x1 6 560e 5 0 4w R5 030 54270 20 Res...

Страница 82: ...nent values in the schematic diagram are indicative only Refer to the parts list for actual values used SPEAKER 4 SPKR 8 2 SHOULD BE DPTT IPN 032 31820 01 IPN 250 00010 19 not part of PCB not fitted n...

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