Tait TEL0047 One way paging transmitters T836-26-1010 & T836-26 User Manual 8c300 a3 bk

Tait Limited One way paging transmitters T836-26-1010 & T836-26 8c300 a3 bk

Contents

T836 Diagram of units

M830-00T836/837 General InformationC1.3Copyright TEL 30/04/98The photograph in Figure 1.1 on the nextpage will help you to identify the maincircuit blocks in the T836.There is a similar photograph in Figure4.4 which shows the main tuning andadjustment controls.Extending both these fold-outs willallow you to refer to both photographswhile using the manual.The photograph in Figure 1.2 on the nextpage shows the T836 front panel con-trols.
C1.4T836/837 General InformationM830-0030/04/98 Copyright TELFigure 1.1 T836 Main Circuit Block Identification Figure 1.2 T836 Front Panel Controls1234567 8ABC910Key:1234567low pass filterPAexciter drive amplifieraudio processorVCOregulatorssynthesiser8910ABCmicrocontroller and CTCSSduct for cabling to extra D-range (if fitted)D-rangeRF outputD-range connector (“D-range 1”) incl. audio in & DC in(refer to Section 2.2 in Part F)microcontrollerOn LEDThe On LED is lit when theT836 is transmitting.Carrier SwitchKeys the transmitter (whiledisabling the 600Ω line andmicrophone audio).Supply LEDThe Supply LED is lit whenDC power is supplied to thetransmitter.Line SensitivitySets the gain of the 600Ω lineinput of the audio processor.Microphone SocketFor connecting a T800-80 micro-phone to allow local control ofthe transmitter. The 600Ω line isdisabled when the PTT button ispressed.
M830-00T836/837 General InformationC1.5Copyright TEL 30/04/98The photograph in Figure 1.3 on the nextpage will help you to identify the maincircuit blocks in the T837.There is a similar photograph in Figure4.5 which shows the main tuning andadjustment controls.Extending both these fold-outs willallow you to refer to both photographswhile using the manual.The photograph in Figure 1.4 on the nextpage shows the T837 front panel con-trols.
C1.6T836/837 General InformationM830-0030/04/98 Copyright TELFigure 1.3 T837 Main Circuit Block Identification Figure 1.4 T837 Front Panel Controls12345689ABC7Key:1234567low pass filterexciter drive amplifieraudio processorVCOregulatorssynthesisermicrocontroller and CTCSS89ABCduct for cabling to extra D-range (if fitted)D-rangeRF outputD-range connector (“D-range 1”) incl. audio in & DC in(refer to Section 2.2 in Part F)microcontrollerOn LEDThe On LED is lit when theT837 is transmitting.Carrier SwitchKeys the exciter (whiledisabling the 600Ω lineand microphone audio).Supply LEDThe Supply LED is lit whenDC power is supplied to theexciter.Line SensitivitySets the gain of the 600Ω lineinput of the audio processor.Microphone SocketFor connecting a T800-80 micro-phone to allow local control ofthe exciter. The 600Ω line is dis-abled when the PTT button ispressed.
M830-00T836/837 Functional TestingC4.9Copyright TEL 30/04/98Figure 4.4 T836 Main Tuning & Adjustment ControlsR460CV451CV1PL4-1RV330high temperatureRV320power adjustRV210line sensitivitySW230carrierIC700TCXOL490power adjustRV310temperature adjustRV220compression levelRV805CTCSSlevel adjustPL205 PL220 PL215 PL210SK805The photograph printed at rightwill help you to identify the maincontrols used in tuning and adjust-ing the T836.There is a similar photograph inFigure 1.1 which shows the maincircuit blocks.Extending both these fold-outs willallow you to refer to both photo-graphs while using the manual.

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