Tuneup issue 1 august 2004 tm8200 base station tuneup info for compliance.
Tuneup 2 © tait electronics ltd august 2004 tait contact information tait radio communications http:// www.Taitworld.Com corporate head office new zealand tait electronics ltd p.O. Box 1645 christchurch new zealand e-mail: info@taitworld.Com website: http://www.Taitworld.Com technical support: e-mai...
3 tuneup © tait electronics ltd august 2004.
Tuneup 4 © tait electronics ltd august 2004 preface scope of manual welcome to the tuneup information for compliance. This manual provides information on tuneup for the tm8200 hardware. Enquiries and comments if you have any enquiries regarding this manual, or any comments, suggestions and notificat...
5 tuneup © tait electronics ltd august 2004 typographical conventions “file > open” means “click file on the menu bar, then click open on the list of commands that pops up”. Associated documentation tm8200 installation guide. Tm8200 service manual. Tm8200 specifications manual. Tm8200 service kit an...
Tuneup 6 © tait electronics ltd august 2004 contents 1 general information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.1 equipment set-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2 topa-sv-024 test unit . . . . . . . . ....
7 tuneup © tait electronics ltd august 2004 n raw data reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 n volt ref/tcxo/vco/vcxo tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 n vco auto cal check tab. . . . . . . . . . . . . . . . . . . . . . . ...
Tuneup general information 8 august 2004© tait electronics ltd 1 general information transmitter issues the following issues relate to the operation of the transmitter: ■ rf and thermal burns ■ antenna loading ■ test transmissions ■ accidental transmissions ■ distress beacons the precautions require...
9 general information tuneup august 2004© tait electronics ltd figure 1.1 test equipment for servicing radios radio body blank control head power connector test pc serial port db9 socket rj12 plug computer connector radio connector db15 socket rj45 plug microphone connector in-line connector auxilia...
Tuneup general information 10 august 2004© tait electronics ltd 1.1 equipment set-up introduction this subsection covers the setting up of the test equipment for servicing the radios, as well as related aspects: ■ setting up of test equipment, including test unit ■ use of test unit ■ installing prog...
11 general information tuneup august 2004© tait electronics ltd figure 1.2 illustration of the face of the test unit radio rx tx / ptt speak er radio load t o p mod a udio mic a udio rx a udio / sinad tx a udio computer to p off hook on hook off tm8000 only tm8000 a udio out switch a udio in switch ...
Tuneup general information 12 august 2004© tait electronics ltd settings for receive tests for receive tests set the switches on the test unit as follows: ■ hook switch : “h ook o ff ” ■ mode switch : “r x ” ■ audio in switch : “o ff ” ■ audio out switch: “s peaker ” or “l oad ” in the last-named ca...
13 general information tuneup august 2004© tait electronics ltd install applications the upper two buttons in the contents window of the product support cd allow for the installation of the programming and calibration applications: 1. Click the “programming” button. Installation of the programming a...
Tuneup general information 14 august 2004© tait electronics ltd access taitworld website of the two lower and remaining buttons in the contents window of the product support cd, the “miscellaneous” button is currently unused. Clicking the “taitworld” button opens the default browser installed on the...
15 general information tuneup august 2004© tait electronics ltd calibration application the calibration application is used to read radio calibration files, perform diagnostic functions, change certain settings, perform calibration tests, view and check calculated calibration data, and program radio...
Tuneup general information 16 august 2004© tait electronics ltd table 1.1 cctm commands in the audio category command usage entry at keyboard response on screen audio category 20 – mute received audio forces muting of the received audio signal 20 none 21 – unmute received audio forces unmuting of th...
17 general information tuneup august 2004© tait electronics ltd table 1.2 cctm commands in the radio-information, radio-control and system categories command usage entry at keyboard response on screen radio-information category 94 – radio serial number reads the serial number of the radio 94 x where...
Tuneup general information 18 august 2004© tait electronics ltd table 1.3 cctm commands in the frequency-synthesizer and receiver categories command usage entry at keyboard response on screen frequency-synthesizer category 72 – lock status reads the lock status of the rf pll, fcl and lo2 respectivel...
19 general information tuneup august 2004© tait electronics ltd table 1.4 cctm commands in the transmitter category (part 1) command usage entry at keyboard response on screen transmitter category 33 – transmit mode sets the radio in the transmit mode 33 none 47 – temperature reads the temperature i...
Tuneup general information 20 august 2004© tait electronics ltd invoking cctm using the terminal program, place the radio in cctm as follows: 1. Enter the character ^ to reset the radio. 2. As soon as the radio is reset, the letter v is displayed. (if an uppercase letter v appears, this implies a fa...
21 general information tuneup august 2004© tait electronics ltd visual and aural indications in radios that have a control head with ui, visual and aural indicators give information about the state of the radio. Visual indications are provided by the status leds, function-key leds, and lcd screen on...
Tuneup general information 22 august 2004© tait electronics ltd table 1.7 visual indications provided by the status leds of control heads with ui led colour led name indications meanings red transmit led is on the radio is transmitting led flashes (1) the transmit timer is about to expire (2) the ra...
23 general information tuneup august 2004© tait electronics ltd.
Tuneup topa-sv-024 test unit 24 august 2004 © tait electronics ltd 2 topa-sv-024 test unit the topa-sv-024 test unit is used to test and maintain tait orca portables (top) and tm8200 radios by providing an interface between the radio, a test pc, and an rf communications test set. The diagram below s...
25 topa-sv-024 test unit tuneup august 2004 © tait electronics ltd figure 2.2 test setup rf comms test set oscilloscope transmit audio receive audio / speaker connector power connector auxiliary connector rf connector (bnc) sinad audio audio in hi out audio monitor out (bnc) rf in/out (n-type) (bnc)...
Tuneup topa-sv-024 test unit 26 august 2004 © tait electronics ltd 2.2 operation this section explains the function of the topa-sv-024 test unit controls. The procedure for using the test unit is described in the section of the tm8200 service manual covering test equipment. 2.2.1 top / tm8000 switch...
27 topa-sv-024 test unit tuneup august 2004 © tait electronics ltd 2.2.4 rx / tx/ptt switch this 2-way toggle switch is used to switch between receive and transmit mode. ■ when set to rx , the ptt line is switched to high impedance. ■ when set to tx/ptt , the ptt line is pulled to ground. 2.2.5 spea...
Tuneup topa-sv-024 test unit 28 august 2004 © tait electronics ltd 2.3 pcb information (pcb ipn 220-01418-02a) 2.3.1 parts list (rev. 4) 2.3.2 pcb layout bnc1 240-02100-11 skt coax bnc 3.5mm pnl n/tag bnc2 240-02100-11 skt coax bnc 3.5mm pnl n/tag c1 011-54100-01 cap cer ai 1n 10% t/c b 50v c2 011-5...
29 topa-sv-024 test unit tuneup august 2004 © tait electronics ltd 2.3.3 circuit diagram th e co m po n en t v al ues in t h e s ch em at ic d ia gr am a re in di ca ti ve o n ly . R ef er to t h e p ar ts li st f or a ctu al v al ue s use d . Sp ea k e r 4 Ω sp k r 8 .2 Ω sh o u l d b e d p t t ip ...
Tuneup calibration basics 30 august 2004 © tait electronics ltd calibration basics tait tm8000 radios are designed to be totally electronically tuned. No physical tuning is required, as all tuning is done by electronic trimming usually in the form of a digital-to-analog converter (dac). The calibrat...
31 calibration basics tuneup august 2004 © tait electronics ltd ■ instruction boxes ■ radio model toolbar. Sliders sliders typically modify a dac setting in the radio. A slider appears as a line with a movable button, and two arrow buttons either side. Moving the button will alter a value in a box t...
Tuneup calibration basics 32 august 2004 © tait electronics ltd ■ trigger base radios use power levels approximately 6db higher for each of the three agc (automatic gain control) test points, during the receiver test. ■ the target power levels for mid-power radios are higher than for other models du...
33 calibration basics tuneup august 2004 © tait electronics ltd 2. Navigate to the folder where the file is located. 3. Select the desired file to open. 4. Click the open button. 5. View the data. You can either view a print output of the file’s data, or view the data on-screen. Print output: a. Sel...
Tuneup calibration tests 34 august 2004 © tait electronics ltd calibration tests each calibration test includes step-by-step instructions on how to carry out the test. Once an instruction has been carried out, select the next> button. Forms in which a number of steps must be repeated have an additio...
35 calibration tests tuneup august 2004 © tait electronics ltd is greater than –70dbm approximately. The calibration test is run at -68dbm, -60dbm and -50dbm for standard tm8000 radios, and -62dbm, -54dbm and -44dbm for tm8000 trigger base radios. Mute the mute test will calibrate the radio’s squelc...
Tuneup deviation and squelch thresholds 36 august 2004 © tait electronics ltd deviation and squelch thresholds the deviation/squelch form contains text fields for entering in values that require no test equipment. You can enter different values here for parameters such as the squelch (carrier) mute ...
37 deviation and squelch thresholds tuneup august 2004 © tait electronics ltd squelch and signalling thresholds tab squelch detect type: noise level sets the squelch mute opening points of country, city, and hard when the squelch detect type is set to noise level. Each value can be changed from 8 to...
Tuneup deviation and squelch thresholds 38 august 2004 © tait electronics ltd scanning opening pt sets a threshold that will be used in an initial check for busy channel activity, when scanning. If activity on a channel satisfies this threshold, then the radio will check to see if the channel is sui...
39 raw data reference tuneup august 2004 © tait electronics ltd raw data reference volt ref/tcxo/vco/vcxo tab ad6521 volt reference offset shows the result of the ad6521 volt ref test. Tx tcxo and rx tcxo show the results of calibrating the tcxo during the tcxo/vco mod dev test. Vco mod dev constant...
Tuneup raw data reference 40 august 2004 © tait electronics ltd rx delta gain values show the results of calibrating the receiver gain at each frequency specified in the rx fe tune cal freq pts grid (test freqs tab), relative to the receiver gain measured at the first frequency in the grid. Each row...
41 raw data reference tuneup august 2004 © tait electronics ltd power tab tx power control grid each column displays various power levels at points spaced evenly across the radio’s band (as shown in the frequency cal pnt a to e fields, test freqs tab). Each row displays results of the tx power contr...
