E.F. Johnson Company CONVENTIONAL VOTING RECEIVER User Manual

Summary of CONVENTIONAL VOTING RECEIVER

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    -1 february 1996 part no. 001-3039-505 c onventional v oting r eceiver first printing july 2000 part no. 001-2000-720 7-00mwp printed in u.S.A..

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    -2 february 1996 part no. 001-3039-505.

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    -3 february 1996 part no. 001-3039-505 c onventional v oting r eceiver copyright 2000 by the e.F. Johnson company the e.F. Johnson company designs and manufactures two-way radio equipment to serve a wide variety of communications needs. Johnson produces equipment for the mobile telephone and land mo...

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    -4 february 1996 part no. 001-3039-505.

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    Table of contents 1 1 introduction 1.1 description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1 1.2 main components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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    Table of contents (cont.) 2 voltage measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 program tune-up channel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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    Table of contents (cont.) 3 5.3 receiver alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-8 pre-test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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    Table of contents (cont.) 4 2-18 rf line monitor for cvr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 2-19 revision/version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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    Table of contents (cont.) 5 4-6 edit menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 4-7 setup parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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    Table of contents (cont.) 6 5-27 user level. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 5-28 receiver alignment points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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    1-1 july 2000 part no. 001-2000-720 introduction section 1 introduction 1.1 description the voter system is an additional feature of the conventional repeater system that allows receiver voting. The voter system is used in wide-area sys- tems that require simultaneous rf coverage over an area not ca...

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    Introduction 1-2 july 2000 part no. 001-2000-720 figure 1-2 5-channel local site board interface receiver board interface receiver board interface receiver board interface receiver board interface receiver cvr cvr cvr cvr cvr jps jps jps jps jps power supply primary secondary.

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    Introduction 1-3 july 2000 part no. 001-2000-720 figure 1-3 5-channel remote site board interface receiver board interface receiver board interface receiver board interface receiver board interface receiver cvr cvr cvr cvr cvr power supply primary secondary.

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    Introduction 1-4 july 2000 part no. 001-2000-720 figure 1-4 5-site 4-channel voter system block diagram cvr 1 cvr 2 cvr 3 cvr 4 receiver site 1 receiver site 5 receiver site 4 receiver site 3 receiver site 2 audio bus audio bus local site cvr 1-1 cvr 1-2 cvr 1-3 cvr 1-4 cvr 2-1 cvr 2-2 cvr 2-3 cvr 2...

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    Introduction 1-5 july 2000 part no. 001-2000-720 specifications voter shelf dimensions 21.4" w x 12.5" d x 8.2" h environment -30 ° c to +60 ° c (-22 ° f to +142 ° f) at 20% to 80% humidity (noncondens- ing) average power 26 modules x 6.1w ÷ 0.7 (efficiency) = 227w average heat 227w x 3.6 = 817 btu ...

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    Introduction 1-6 july 2000 part no. 001-2000-720

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    2-1 july 2000 part no. 001-2000-720 vhf receiver section 2 vhf receiver 2.1 receiver programming 2.1.1 2004pgmr programmer when the program is loaded into the computer and executed, the menu shows the files available from the directory. The program is used to create, edit, transfer and receive the r...

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    Vhf receiver 2-2 july 2000 part no. 001-2000-720 figure 2-3 load file save this saves the edited version of an existing file loaded in the buffer under the same filename in the directory and deletes the old file. Loads a new file created in the edit menu into the directory. Save as use save as to ed...

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    Vhf receiver 2-3 july 2000 part no. 001-2000-720 2.2.3 edit figure 2-6 edit menu this menu is used to create new files and set or change the cvr operating parameters. The filename for the cvrs in this file is shown in the lower left cor- ner of the screen. Setup parameters this programs the receiver...

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    Vhf receiver 2-4 july 2000 part no. 001-2000-720 repeater type selection this screen (see figure 2-9) selects the repeater type and features: channel bandwidth 15 khz 30 khz frequency range 132-150 mhz 150-178 mhz figure 2-9 repeater type selection delete repeater figure 2-10 delete repeater 2.2.4 t...

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    Vhf receiver 2-5 july 2000 part no. 001-2000-720 figure 2-16 hardware programming flowchart data received from radio data transmitted to radio home uid gid pri stat time rx/tx data hardware rf data rf line monitor mode select normal test revisions receive synthesizer receive high stability wideband ...

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    Vhf receiver 2-6 july 2000 part no. 001-2000-720 mode select the mode select screen places the repeater either in the normal mode or the test mode. In the normal mode the repeater operates as a normal repeater. In the test mode the repeater transmits a test word. This test word is the test mode id s...

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    Vhf receiver 2-7 july 2000 part no. 001-2000-720 2.2.6 test figure 2-21 test menu receiver this menu selection walks through the alignment of the receiver on the computer screen. Refer to sec- tions 2.3 and 2.4 for the receiver alignment in this manual and figure 2-29 for an alignment points dia- gr...

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    Vhf receiver 2-8 july 2000 part no. 001-2000-720 figure 2-26 color mode selection alarm display this screen displays a scrolling list of alarms gen- erated by the repeater. User level there are two levels to choose from, novice and advanced. The novice uses prompts in the edit- parameters screens wh...

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    Vhf receiver 2-9 july 2000 part no. 001-2000-720 4. Highlight default, press enter. 5. Highlight edit, press enter. 6. Highlight setup parameters, press enter. 7. Change the repeater number and other parameters as required for this repeater, press f2. 8. Highlight edit, press enter. 9. Highlight fil...

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    Vhf receiver 2-10 july 2000 part no. 001-2000-720 2.3 vhf receiver alignment c r i t i c a l a d j u s t m e n t the tcxo must be adjusted within 5 minutes of turn- ing the ac power on to the repeater. Do not under any circumstances try to set frequency later on in any of the tests, as tcxo frequenc...

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    Vhf receiver 2-11 july 2000 part no. 001-2000-720 2.3.4 receiver frequency adjust 1. Place a pick-up loop (sniffer) or rf probe connected to a frequency counter near tp102. 2. Set y401 (tcxo) for the injection frequency ±50 hz (inj freq = chnl freq + 52.95 mhz). 2.3.5 vco test 1. The software progra...

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    Vhf receiver 2-12 july 2000 part no. 001-2000-720 7. Set the generator to 100 µ v into the receiver with a 1 khz tone at ± 3 khz deviation. (1000 µ v at the generator with 20 db pad gives 100 µ v at the receive antenna.) 8. Tune z205 for 2v ± 0.05v at u201, pin 9. 9. Tune rv203 for 387 mv rms, ± 5 m...

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    Vhf receiver 2-13 july 2000 part no. 001-2000-720 3. Connect a 16 ohm load and distortion analyzer to j204 of the interface board. 4. Adjust r262 for 2.8v rms and measure the distor- tion. Distortion should be receiver hum and noise measurement 1. Adjust the rf generator for 100 µ v into the receive...

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    Vhf receiver 2-14 july 2000 part no. 001-2000-720 2.4.3 voter interface cvr audio level adjustment 1. Adjust the rf generator for 100 µ v into the receiver with a 1 khz tone at ± 1.5 khz. 2. Connect a balanced ac voltmeter between j205, pin 2 and j206, pin 2. Connect a 600 ohm termina- tion to the m...

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    Vhf receiver 2-15 july 2000 part no. 001-2000-720 figure 2-29 receiver alignment points u302 j204 j205 2 1 20 19 j201 rv201 rv211 rv203 rv213 r v202 r v212 u202 u204 z216 z215 z214 z204 u102 u203 u201 z206 z205 z212b z212a cv212 l216 l214 l213 l211 l201 l203 l206 l204 u101 cv211 q211 cv212 q201 j203...

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    Vhf receiver 2-16 july 2000 part no. 001-2000-720 figure 2-30 receiver test setup u302 j204 j205 2 1 20 19 j201 r v201 r v211 r v203 r v213 rv202 rv212 u202 u204 z216 z215 z214 z204 u102 u203 u201 z206 z205 z212b z212a cv212 l216 l214 l213 l211 l201 l203 l206 l204 u101 cv211 q211 cv212 q201 j203 cv2...

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    Vhf receiver 2-17 july 2000 part no. 001-2000-720 symbol part number description number vhf voting receiver part no. 023-2031-220 a 200 audio/logic interface board 023-2000-720 a 201 receiver board (150-178 mhz) 585-2081-270 a 202 20-pin ribbon cable 023-2000-703 ep200 rf shield gasket 0.156 od 574-...

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    Vhf receiver 2-18 july 2000 part no. 001-2000-720 symbol part number description number c 133 470 pf 50v ceramic chip 022-3908-107 c 134 .01 µf 50v ceramic chip 022-3908-070 c 135 .01 µf 50v ceramic chip 022-3908-070 c 136 470 pf 50v ceramic chip 022-3908-107 c 137 470 pf 50v ceramic chip 022-3908-1...

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    Vhf receiver 2-19 july 2000 part no. 001-2000-720 symbol part number description number c 284 330 pf 50v ceramic chip 022-3908-077 c 301 1000 pf 50v ceramic chip 022-3908-068 c 302 4.7 µf 20v tantalum chip 022-3908-160 c 303 4.7 µf 20v tantalum chip 022-3908-160 c 304 1000 pf 50v ceramic chip 022-39...

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    Vhf receiver 2-20 july 2000 part no. 001-2000-720 symbol part number description number l 108 helical coil 022-3908-187 l 109 helical coil 022-3908-187 l 110 helical coil 022-3908-187 l 111 coil 022-3908-187 l 130 22 nh smd 022-3908-121 l 131 .22 µh smd 022-3908-124 l 132 1 µh smd 022-3908-020 l 133...

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    Vhf receiver 2-21 july 2000 part no. 001-2000-720 symbol part number description number r 212 100k ohm 1/8w chip 022-3908-030 r 213 10k ohm 1/8w chip 022-3908-029 r 214 100k ohm 1/8w chip 022-3908-030 r 215 22k ohm 1/8w chip 022-3908-040 r 217 10k ohm 1/8w chip 022-3908-029 r 218 10k ohm 1/8w chip 0...

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    Vhf receiver 2-22 july 2000 part no. 001-2000-720 symbol part number description number u 303 ic 12v regulator 022-3908-150 u 304 ic 12v regulator 022-3908-150 u 401 ic mc145190 544-3954-026 y 201 17.5 mhz tcxo 518-7117-500 z 201 52.95 mhz crystal filter 532-0009-009 z 202 52.95 mhz crystal filter 5...

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    2-23 july 2000 part no. 001-2000-720 receive vco figure 2-31 foldout c101 l101 c103 d101 c102 c104 c105 l103 r109 c110 c112 c113 c115 r106 c116 r101 r102 c109 c108 r112 c106 r103 c107 r111 r110 c111 r107 r108 l104 q103 c114 c117 q102 q101 c e b b e c vc +12v gnd gnd gnd gnd out mod e b c r105 q104 b...

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    Receiver component layout figure 2-32 2-24 july 2000 part no. 001-2000-720 c308 + c306 u302 c310 c307 1 2 3 1 2 3 j204 j205 2 1 20 19 j201 + c309 r v201 r v211 r v203 r v213 c225 c260 r246 c263 rt203 r214 r213 rt201 r240 r244 c223 r208 r212 r215 c258 r247 r t204 r249 r250 r218 r217 r t202 rv202 rv21...

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    2-25 july 2000 part no. 001-2000-720 receive schematic figure 2-33 foldout r108 47 +12v c103 220pf + c105 4.7 c106 470pf + c107 4.7 c108 470pf c104 10pf cv102 cv103 cv101 cv105 cv106 cv104 c109 10pf l111 4 rf if gnd a gnd b gnd c lo c236 10pf 2 6 1 3 u101 lrms-2h c237 39pf l211 z211a z211b cv211 1.5...

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    2-26 july 2000 part no. 001-2000-720

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    3-1 july 2000 part no. 001-2000-720 uhf receiver section 3 uhf receiver 3.1 receiver programming 3.1.1 2004pgmr programmer when the program is loaded into the computer and executed, the menu shows the files available from the directory. The program is used to create, edit, transfer and receive the r...

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    Uhf receiver 3-2 july 2000 part no. 001-2000-720 save this saves the edited version of an existing file loaded in the buffer under the same filename in the directory and deletes the old file. Loads a new file cre- ated in the edit menu into the directory. Save as use save as to edited version of an ...

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    Uhf receiver 3-3 july 2000 part no. 001-2000-720 3.2.3 edit figure 3-6 edit menu this menu is used to create new files and set or change the cvr operating parameters. The filename for the cvrs in this file is shown in the lower left cor- ner of the screen. Figure 3-7 setup parameters setup parameter...

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    Uhf receiver 3-4 july 2000 part no. 001-2000-720 3.2.4 transfer figure 3-11 transfer menu write setup parameters this command sends the contents of a file to the repeater and programs the eeprom memory in the interface board. Figure 3-12 write setup parameters figure 3-13 program write setup read se...

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    Uhf receiver 3-5 july 2000 part no. 001-2000-720 3.2.5 hardware figure 3-17 hardware menu rf data the a/d monitor screen shows the state of the lines (see figure 3-18). These lines are being moni- tored by the a to d converter on the cvr interface board. The normal values for each line are defined a...

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    Uhf receiver 3-6 july 2000 part no. 001-2000-720 figure 3-21 test programming flowchart all test receiver test tcxo frequency adjust audio distortion hum & noise measurement sinad measurement squelch adjust data level adjust miscellaneous tests receiver test all receive tests all operational tests h...

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    Uhf receiver 3-7 july 2000 part no. 001-2000-720 figure 3-25 laptop interconnect ca- ble display mode this screen allows the color mode to be selected for color monitors. When using a laptop, monochrome is recommend for better resolution. Figure 3-26 color mode selection alarm display this screen di...

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    Uhf receiver 3-8 july 2000 part no. 001-2000-720 7. Select parameters, press f2 to accept. 8. Highlight edit, press enter. 9. Highlight files, press enter. 10.Highlight save, press enter. 11. Type in a valid dos filename. For this example site1.Dat is used. 12.The file consists of default and cvr on...

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    Uhf receiver 3-9 july 2000 part no. 001-2000-720 2. Tune the vco capacitor c803 for +7v dc ± 0.05v at tp401. Increase the receive frequency by 1 mhz. The volt- age on tp401 shall be less than 10.5v. Decrease the receive frequency by 1 mhz. The voltage on tp401 shall be greater than 3.5v. 3. Alternat...

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    Uhf receiver 3-10 july 2000 part no. 001-2000-720 5. Adjust c249 for peak dc voltage at tp201. 6. Reset the signal generator to the tune-up frequency. 7. Set the signal generator to 100 µ v into the receiver with a 1 khz tone at ± 1.5 khz deviation. (1000 µ v at the generator with 20 db pad gives 10...

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    Uhf receiver 3-11 july 2000 part no. 001-2000-720 receiver sinad measurement 1. Adjust the rf generator for 100 µ v into the receiver with a 1 khz tone at ± 3 khz. 2. Connect a 16 ohm load and distortion analyzer to j204 of the interface board. 3. Adjust r262 for 2.8v rms. 4. 12 db sinad reading sho...

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    Uhf receiver 3-12 july 2000 part no. 001-2000-720 cvr audio level adjustment 1. Adjust the rf generator for 100 µ v into the receiver with a 1 khz tone at ± 1.5 khz. 2. Connect a balanced ac voltmeter between j205, pin 2 and j206, pin 2. Connect a 600 ohm termina- tion to the meter terminals or acro...

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    Uhf receiver 3-13 july 2000 part no. 001-2000-720 figure 3-28 receiver alignment points 2 1 19 20 y 201 j2 01 tp 2 0 1 tp 2 0 2 tp 1 0 1 u3 0 4 u3 0 1 u3 0 3 tp 5 0 1 r402 r403 tp 4 0 1 l20 1 l 203 c204 c239 c24 9 l2 04 l 206 c21 4 z20 5 z 215 tp 20 5 r21 6 r248 u302 tp 2 0 3 j2 0 4 j2 0 5 r219 r221...

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    Uhf receiver 3-14 july 2000 part no. 001-2000-720 4. On the interface board, measure receive sensitivity at j204. 5. The reading should be less than 0.35 µ v. (typically 0.25 µ v.) 6. The software programs the synthesizer for 1 mhz above the receive frequency. 7. Receive sensitivity should be less t...

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    Uhf receiver 3-15 july 2000 part no. 001-2000-720 figure 3-29 interface board alignment pointws figure 3-30 receiver test setup j204 j203 r262 s101 j202 ds 101 j102 j205 j206 j208 j210 wo202 wo201 t201 j209 u213 r271 r282 r248 r222 r207 1 2 20 19 j201 j207 j211 j212 1 2 3 j213 j214 1 13 frequency co...

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    Uhf receiver 3-16 july 2000 part no. 001-2000-720 symbol part number description number uhf voting receiver part no. 023-2044-220 a 200 audio/logic interface board 023-2000-720 a 201 receiver board (430-470 mhz) 585-2044-270 a 202 20-pin ribbon cable 023-2000-703 ep200 rf shield gasket 0.156 od 574-...

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    Uhf receiver 3-17 july 2000 part no. 001-2000-720 symbol part number description number c 113 150 pf ± 5% npo 1206 chip 510-3602-151 c 114 6.8 pf ± 5% npo 1206 chip 510-3602-689 c 115 7.5 pf ± 5% npo 1206 chip 510-3602-759 c 131 3.9 pf ± 5% npo 1206 chip 510-3602-399 c 132 10 pf ± 5% npo 1206 chip 5...

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    Uhf receiver 3-18 july 2000 part no. 001-2000-720 symbol part number description number c 263 27 pf ± 5% npo 1206 chip 510-3602-270 c 265 100 pf ± 5% npo 1206 510-3602-101 c 266 .01 µ f ± 10% x7r 1206 chip 510-3606-103 c 267 4.7 µ f 16v tantalum smd 510-2625-479 c 268 .01 µ f ± 10% x7r 1206 chip 510...

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    Uhf receiver 3-19 july 2000 part no. 001-2000-720 symbol part number description number cr132 5.6v zener sot-23 523-2016-569 cr133 hot carrier diode sot-23 523-1504-016 cr401 si 9.1v zener sot-23 523-2016-919 cr402 dual switching diode sot-23 523-1504-023 ep200 crystal pin cer insulator mini 010-034...

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    Uhf receiver 3-20 july 2000 part no. 001-2000-720 symbol part number description number r 107 43 ohm ± 5% 1206 smd 569-0115-430 r 108 43 ohm ± 5% 1206 smd 569-0115-430 r 131 1.3k ohm ± 5% 1206 smd 569-0115-132 r 132 1.5k ohm ± 5% 1206 smd 569-0115-152 r 133 1.3k ohm ± 5% 1206 smd 569-0115-132 r 134 ...

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    Uhf receiver 3-21 july 2000 part no. 001-2000-720 symbol part number description number r 412 4.3k ohm ± 5% 1206 smd 569-0115-432 r 413 1k ohm ± 5% 1206 smd 569-0115-102 r 414 51 ohm ± 5% 1206 smd 569-0115-510 r 421 10k ohm ± 5% 1206 smd 569-0115-103 r 423 100 ohm ± 5% 1206 smd 569-0115-101 r 424 10...

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    Uhf receiver 3-22 july 2000 part no. 001-2000-720

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    3-23 july 2000 part no. 001-2000-720 receive vco figure 3-32 foldout j1 c81 4 r80 5 r8 06 c8 09 c8 08 c 805 c8 04 c8 13 c8 03 r8 04 c8 12 + l80 5 j2 2 1 r803 c811 q801 q802 l803 c807 r807 r808 l804 l801 l802 j3 1 2 3 4 cr802 cr801 2 1 c806 c810 +12v 68pf 5.1k 6.2k 68pf 200 7.5pf 7.5pf oscillator 363...

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    Receiver component layout figure 3-33 3-24 july 2000 part no. 001-2000-720 c214 l206 l204 z202a z202b c210 c206 r203 c211 r201 r204 c209 c207 r202 + c208 q201 l203 l201 u101 l213 l211 z211b z211a z201b z201a j203 c204 c239 12 3 3 6 4 c203 l202 r234 + c244 c241 c240 c238 c201 c246 r235 c247 c242 c243...

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    3-25 july 2000 part no. 001-2000-720 receive schematic figure 3-34 foldout r104 10k cr101 r103 1.8k r102 10k + c105 4.7 c106 150pf c104 7.5pf l106 q101 3604 r108 43 +12v c113 150pf + c111 4.7 c112 150pf + c107 4.7 c108 150pf c114 12pf l103 l104 l102 l109 l110 l108 c115 7.5pf l111 4 rf if gnd a gnd b...

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    3-36 july 2000 part no. 001-2000-720

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    4-1 july 2000 part no. 001-2000-720 800 mhz receiver section 4 800 mhz receiver 4.1 receiver programming 4.1.1 2000pgmr programmer when the program is loaded into the computer and executed, the menu shows the files available from the directory. The program is used to create, edit, transfer and recei...

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    800 mhz receiver 4-2 july 2000 part no. 001-2000-720 save this saves the edited version of an existing file loaded in the buffer under the same filename in the directory and deletes the old file. Loads a new file created in the edit menu into the directory. Save as use save as to edited version of a...

  • Page 71

    800 mhz receiver 4-3 july 2000 part no. 001-2000-720 4.2.3 edit figure 4-6 edit menu this menu is used to create new files and set or change the cvr operating parameters. The filename for the cvrs in this file is shown in the lower left cor- ner of the screen. Figure 4-7 setup parameters setup param...

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    800 mhz receiver 4-4 july 2000 part no. 001-2000-720 delete repeater figure 4-10 delete repeater 4.2.4 transfer figure 4-11 transfer menu write setup parameters this command sends the contents of a file to the repeater and programs the eeprom memory in the interface board. Figure 4-12 write setup pa...

  • Page 73

    800 mhz receiver 4-5 july 2000 part no. 001-2000-720 4.2.5 hardware figure 4-17 hardware menu rf data the a/d monitor screen shows the state of the lines (see figure 4-18). These lines are being moni- tored by the a to d converter on the cvr interface board. The normal values for each line are defin...

  • Page 74

    800 mhz receiver 4-6 july 2000 part no. 001-2000-720 full cvr this menu selection walks through the align- ment of the entire repeater. The receiver and exciter portions are performance tests and adjustments. The audio and data portions are level adjustments for the cvr interface board. Refer to fig...

  • Page 75

    800 mhz receiver 4-7 july 2000 part no. 001-2000-720 figure 4-25 laptop interconnect ca- ble display mode this screen allows the color mode to be selected for color monitors. When using a laptop, mono- chrome is recommend for better resolution. Figure 4-26 color mode selection alarm display this scr...

  • Page 76

    800 mhz receiver 4-8 july 2000 part no. 001-2000-720 11. Type in a valid dos filename. For this example site1.Dat is used. 12.The file consists of default and cvr one under the filename of site1.Dat. Adding a cvr to a file the example used for site 1 will again be used to add cvrs to the filename si...

  • Page 77

    800 mhz receiver 4-9 july 2000 part no. 001-2000-720 4.3.4 vco test 1. The software programs the synthesizer for 3 mhz above the receive channel. 2. The voltage on tp2 should be 3. Record the voltage on j201, pin 13 __________. 4. The software programs the synthesizer for 3 mhz below the receive cha...

  • Page 78

    800 mhz receiver 4-10 july 2000 part no. 001-2000-720 9. The software programs the synthesizer for 3 mhz below the receive channel. 10.Receive sensitivity should be less than 0.35 µ v (typically less than 0.30 µ v). 11. The software programs the synthesizer for the receive channel. 4.4 full cvr test...

  • Page 79

    800 mhz receiver 4-11 july 2000 part no. 001-2000-720 receiver data level adjustment 1. Adjust the rf generator for 100 µ v into the receiver with a 100 hz tone at ± 1 khz. 2. Insert voltmeter probes into j202 on the interface board and connect to an ac voltmeter. 3. Adjust r248 to achieve 340 mv rm...

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    800 mhz receiver 4-12 july 2000 part no. 001-2000-720 figure 4-28 800 mhz receiver alignment points (revision 5 or earlier) figure 4-29 800 mhz receiver alignment points (revision 6) 2 1 19 20 r264 r261 u206 z213 l225 l211 l209 l207 u207 y201 l223 l224 l206 l205 l204 l203 l202 l201 l220 u209 j201 u2...

  • Page 81

    800 mhz receiver 4-13 july 2000 part no. 001-2000-720 figure 4-30 800 mhz receiver test setup frequency counter oscilloscope audio distortion analyzer hp 334a ac voltmeter voltmeter dc communications service monitor interface board re ce ive r re ce ive r re ce ive r re ce ive r 20 db 2 1 19 20 r264...

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    800 mhz receiver 4-14 july 2000 part no. 001-2000-720 symbol part number description number 800 mhz voting receiver part no. 023-2008-220 a 200 audio/logic interface board 023-2000-720 a 201 receiver board 800 mhz 585-2081-270 a 202 20-pin ribbon cable 023-2000-703 ep200 rf shield gasket 0.156 od 57...

  • Page 83

    800 mhz receiver 4-15 july 2000 part no. 001-2000-720 symbol part number description number c 232 4.7 µ f 16v tantalum smd 510-2625-479 c 233 .01 µ f ± 10% x7r chip 510-3606-103 c 234 .01 µ f ± 10% x7r chip 510-3606-103 c 235 220 pf ± 5% npo 1206 chip 510-3602-221 c 236 220 pf ± 5% npo 1206 chip 510...

  • Page 84

    800 mhz receiver 4-16 july 2000 part no. 001-2000-720 symbol part number description number c 374 4.7 pf ± 5% npo 1206 chip 510-3602-479 c 375 1.5-15 pf ceramic smd 512-1602-001 c 376 4.7 pf ± 5% npo 1206 chip 510-3602-479 ch200 3-cavity helical front end 015-0901-038 ch201 3-cavity helical front en...

  • Page 85

    800 mhz receiver 4-17 july 2000 part no. 001-2000-720 symbol part number description number r 248 2.7k ohm ± 5% 1206 smd 569-0115-272 r 249 3.3k ohm ± 5% 1206 smd 569-0115-332 r 250 270 ohm ± 5% 1206 smd 569-0115-271 r 251 3.3k ohm ± 5% 1206 smd 569-0115-332 r 252 330k ohm ± 5% 1206 smd 569-0115-334...

  • Page 86

    800 mhz receiver 4-18 july 2000 part no. 001-2000-720

  • Page 87

    4-19 july 2000 part no. 001-2000-720 800 mhz receive vco figure 4-31 foldout 802 wo wo801 c b e r 802 r 801 c e b c 813 q 802 l80 3 c8 1 1 r 807 q801 c808 c810 c807 l80 5 r 803 c 804 c 803 c 812 cr802 r805 r806 cr 8 0 1 c802 r 804 c 806 l804 c805 c8 09 r814 803 wo wo wo 806 804 wo wo wo 808 807 805 ...

  • Page 88

    800 mhz receiver component layout figure 4-32 4-20 july 2000 part no. 001-2000-720 l221 mp1 a201 c346 c343 c344 c345 c367 r263 r256 c431 c342 c339 c353 c354 c352 c287 c286 c289 c290 c318 r262 r t202 r259 c350 r320 c348 r280 r260 rt201 c240 u206 r261 r264 r282 u203 w o27 w o21 w o23 w o25 wo17 wo19 t...

  • Page 89

    4-21 july 2000 part no. 001-2000-720 800 mhz receive schematic figure 4-33 foldout r204 10k cr203 r247 2.2k r201 10k ep201 + c362 4.7 c206 56pf cr202 c202 6.2pf c201 6.8pf l226 q201 3636 r203 62 +12v rx c205 6.8pf + c203 4.7 c204 56pf + c336 4.7 c337 56pf q218 3657 c207 6.2pf l227 l202 l203 l201 l20...

  • Page 90

    4-22 july 2000 part no. 001-2000-720

  • Page 91

    5-1 july 2000 part no. 001-2000-720 900 mhz receiver section 5 900 mhz receiver 5.1 receiver programming 5.1.1 2000pgmr programmer when the program is loaded into the computer and executed, the menu shows the files available from the directory. The program is used to create, edit, transfer and recei...

  • Page 92

    900 mhz receiver 5-2 july 2000 part no. 001-2000-720 save this saves the edited version of an existing file loaded in the buffer under the same filename in the directory and deletes the old file. Loads a new file created in the edit menu into the directory. Save as use save as to edited version of a...

  • Page 93

    900 mhz receiver 5-3 july 2000 part no. 001-2000-720 5.2.3 edit figure 5-6 edit menu this menu is used to create new files and set or change the cvr operating parameters. The filename for the cvrs in this file is shown in the lower left cor- ner of the screen. Figure 5-7 setup parameters setup param...

  • Page 94

    900 mhz receiver 5-4 july 2000 part no. 001-2000-720 delete repeater figure 5-10 delete repeater 5.2.4 transfer figure 5-11 transfer menu write setup parameters this command sends the contents of a file to the repeater and programs the eeprom memory in the interface board. Figure 5-12 write setup pa...

  • Page 95

    900 mhz receiver 5-5 july 2000 part no. 001-2000-720 5.2.5 hardware figure 5-17 hardware menu rf data the a/d monitor screen shows the state of the lines (see figure 5-18). These lines are being moni- tored by the a to d converter on the cvr interface board. The normal values for each line are defin...

  • Page 96

    900 mhz receiver 5-6 july 2000 part no. 001-2000-720 full cvr this menu selection walks through the align- ment of the entire repeater. The receiver and exciter portions are performance tests and adjustments. The audio and data portions are level adjustments for the cvr interface board. Refer to fig...

  • Page 97

    900 mhz receiver 5-7 july 2000 part no. 001-2000-720 figure 5-25 laptop interconnect ca- ble display mode this screen allows the color mode to be selected for color monitors. When using a laptop, mono- chrome is recommend for better resolution. Figure 5-26 color mode selection alarm display this scr...

  • Page 98

    900 mhz receiver 5-8 july 2000 part no. 001-2000-720 11. Type in a valid dos filename. For this example site1.Dat is used. 12.The file consists of default and cvr one under the filename of site1.Dat. Adding a cvr to a file the example used for site 1 will again be used to add cvrs to the filename si...

  • Page 99

    900 mhz receiver 5-9 july 2000 part no. 001-2000-720 5. The voltage on u209, pin 6 (tp2) should be > 2v dc. 6. Record the voltage on j201, pin 13 (tp5) ____. 7. If the voltages recorded in steps 3 and 6 are not within ± 0.2v, tune l224 as required to balance the voltage readings. 8. The synthesizer ...

  • Page 100

    900 mhz receiver 5-10 july 2000 part no. 001-2000-720 5.4 full cvr test 1. Select test - fullrptr/station/cvr and press enter. Note: all audio generators and audio voltmeters are unbalanced unless specifically stated otherwise. 5.4.1 voltage measurements 1. Disconnect the receiver-to-interface cable...

  • Page 101

    900 mhz receiver 5-11 july 2000 part no. 001-2000-720 receiver hum and noise measurement 1. Adjust the rf generator for 100 µ v into the receiver with a 1 khz tone at ± 3 khz. 2. On the interface board, connect a 16 ohm load and distortion analyzer to j204. 3. Adjust r262 for 2.8v rms. 4. Remove mod...

  • Page 102

    900 mhz receiver 5-12 july 2000 part no. 001-2000-720 alarm test 1. The cvr is now in normal operation mode. 2. Verify the front panel display does not indicate any alarms (see table 5-1). 5.4.3 voter interface cvr audio level adjustment 1. Adjust the rf generator for 100 µ v into the receiver with ...

  • Page 103

    900 mhz receiver 5-13 july 2000 part no. 001-2000-720 figure 5-29 900 mhz receiver test setup frequency counter oscilloscope audio distortion analyzer hp 334a ac voltmeter voltmeter dc communications service monitor interface board re ce ive r re ce ive r re ce ive r re ce ive r 20 db 2 1 19 20 j201...

  • Page 104

    900 mhz receiver 5-14 july 2000 part no. 001-2000-720 symbol part number description number 900 mhz voting receiver part no. 023-2009-230 a 200 audio/logic interface board 023-2000-700 a 201 receiver board 900 mhz 023-2009-200 a 202 20-pin ribbon cable 023-2000-703 ep200 rf shield gasket 0.156 od 57...

  • Page 105

    900 mhz receiver 5-15 july 2000 part no. 001-2000-720 symbol part number description number c 227 .01 µ f ± 10% x7r chip 510-3606-103 c 228 .01 µ f ± 10% x7r chip 510-3606-103 c 229 .01 µ f ± 10% x7r chip 510-3606-103 c 230 .01 µ f ± 10% x7r chip 510-3606-103 c 231 100 pf ± 5% npo 1206 chip 510-3602...

  • Page 106

    900 mhz receiver 5-16 july 2000 part no. 001-2000-720 symbol part number description number c 330 27 pf ± 5% npo 1206 chip 510-3602-270 c 331 27 pf ± 5% npo 1206 chip 510-3602-270 c 332 27 pf ± 5% npo 1206 chip 510-3602-270 c 333 27 pf ± 5% npo 1206 chip 510-3602-270 c 334 27 pf ± 5% npo 1206 chip 5...

  • Page 107

    900 mhz receiver 5-17 july 2000 part no. 001-2000-720 symbol part number description number q 211 si npn amp sot-23 576-0003-658 q 214 npn uhf low noise sot-23 576-0003-636 q 215 npn uhf low noise sot-23 576-0003-636 q 216 npn .2-2 ghz so-8 amp 576-0003-604 q 217 npn 750 mw uhf/800 mhz 576-0004-098 ...

  • Page 108

    900 mhz receiver 5-18 july 2000 part no. 001-2000-720 symbol part number description number r 298 100 ohm ± 5% 1206 smd 569-0115-101 r 299 36 ohm ± 5% 1206 smd 569-0115-360 r 300 36 ohm ± 5% 1206 smd 569-0115-360 r 301 220 ohm ± 5% 1206 smd 569-0115-221 r 302 220 ohm ± 5% 1206 smd 569-0115-221 r 303...

  • Page 109

    5-19 july 2000 part no. 001-2000-720 900 mhz vco figure 5-30 foldout + 1300 +12v oscillator +12v 10 27pf 3.6k .039uh 27pf 27pf 5.1k 6.2k .039uh + 15 capacitive multiplier mod in to resonator tap control in c805 c806 r804 l804 cr802 c804 c803 cr801 c802 r801 c807 r802 c809 q801 l803 c810 c811 r803 r8...

  • Page 110

    900 mhz receive schematic figure 5-31 5-20 july 2000 part no. 001-2000-720 l209 c270 z202 z201 c373 l213 c262 c312 c321 c212 c213 r313 r208 r211 c211 r209 c210 q202 c214 l211 z203 c293 ep3 l230 c264 cr201 r255 r247 c284 c285 r254 c209 c267 l207 ep2 c215 c216 c301 c375 r322 l225 z204 c317 tp5 r253 r2...

  • Page 111

    5-21 july 2000 part no. 001-2000-720 900 mhz receiver schematic figure 5-32 foldout r201 2.7k c202 4.3pf c201 5.6pf l226 q201 3636 r203 200 +12v c205 6.8pf + c203 4.7 c204 33pf + c336 4.7 c337 56pf c207 3pf l227 l202 l203 l201 l205 l206 l204 c208 33pf l228 4 rf if gnd a gnd b gnd c lo c209 8.2pf 5 2...

  • Page 112

    5-22 july 2000 part no. 001-2000-720

  • Page 113

    6-1 july 2000 part no. 001-2000-720 interface board section 6 interface board symbol part number description number audio/logic interconnect board part no. 023-2000-720 c 101 10 pf ± 5% npo 1206 chip 510-3602-100 c 102 10 pf ± 5% npo 1206 chip 510-3602-100 c 103 62 pf ± 5% npo 1206 chip 510-3602-620...

  • Page 114

    Interface board 6-2 july 2000 part no. 001-2000-720 symbol part number description number c 265 .01 µ f ± 10% x7r chip 510-3606-103 c 266 15 µ f 20v tantalum smd 510-2626-150 c 267 .01 µ f ± 10% x7r chip 510-3606-103 c 268 .001 µ f ± 5% npo 1206 chip 510-3602-102 c 269 1.5 µ f 25v tantalum smd 510-2...

  • Page 115

    Interface board 6-3 july 2000 part no. 001-2000-720 symbol part number descriptionnumber p 107 2-post shorting socket 515-5010-001 p 108 2-post shorting socket 515-5010-001 p 205 2-post shorting socket 515-5010-001 p 206 2-post shorting socket 515-5010-001 p 213 2-post shorting socket 515-5010-001 p...

  • Page 116

    Interface board 6-4 july 2000 part no. 001-2000-720 symbol part number description number r 256 1k ohm ± 5% 1206 smd 569-0115-102 r 257 10k ohm ± 5% 1206 smd 569-0115-103 r 258 5.1k ohm ± 5% 1206 smd 569-0115-512 r 259 1k ohm ± 5% 1206 smd 569-0115-102 r 260 10k ohm ± 5% 1206 smd 569-0115-103 r 261 ...

  • Page 117

    Interface board 6-5 july 2000 part no. 001-2000-720 symbol part number description number y 101 10 mhz crystal hc-18 521-0010-000 y 102 2.4576 mhz crystal hc-18u 521-0002-458 z 201 emi suppression filter 532-3003-002.

  • Page 118

    Interface board 6-6 july 2000 part no. 001-2000-720

  • Page 119

    6-7 july 2000 part no. 001-2000-720 cvr interface board component layout (component side) figure 6-1 foldout r268 j204 j203 c248 + r262 s101 + + c241 c249 j202 ds 101 j102 1 5 6 10 1 8 9 16 u101 1 2 3 4 5 6 8b 7a r274 c251 c250 r276 r273 c303 r272 r275 c293 c253 c252 1 4 5 8 u215 j205 j206 j208 j210...

  • Page 120

    Cvr interface board component layout (opposite component side) figure 6-2 6-8 july 2000 part no. 001-2000-720 c279 + + c135 c134 c260 c261 1 10 11 20 c128 c107 c108 u126 1 8 9 16 u128 r123 1 7 8 14 u111 c122 c121 c104 c103 c263 c264 + u221 1 4 5 8 c270 + c272 + c273 r295 c267 c275 + + c274 c276 c278...

  • Page 121

    Interface board 6-9 july 2000 part no. 001-2000-720

  • Page 122

    Interface board 6-10 july 2000 part no. 001-2000-720 figure 6-3 rdm interface board schematic (1 of 2).

  • Page 123

    Interface board 6-11 july 2000 part no. 001-2000-720 figure 6-4 rdm interface board schematic (2 of 2).

  • Page 124

    Interface board 6-12 july 2000 part no. 001-2000-720

  • Page 125

    6-9 july 2000 part no. 001-2000-720 foldout u102 1 4 5 8 c131 + c115 r115 c136 c120 c133 c101 c102 c116 r112 r111 r132 r131 c117 r102 c114 r101 r106 c118 c109 + c110 + r105 u119 1 12 13 24 1 7 8 14 u121 1 7 8 14 u120 c126 r114 r113 c106 r121 r122 r287 r286 r285 r284 1 8 9 16 u219 1 14 15 28 u106 det...

  • Page 126

    Cvr interface board schematic (1 of 2) figure 6-3 6-10 july 2000 part no. 001-2000-720 ds101 alarm display u101 14495l display driver 2 3 4 5 7 8 9 10 5 6 9 10 2 3 1 15 4 14 13 12 1 6 f g e dd h 1 cc bb aa aa bb cc dd cl u105 mpd70320l-5 r112 10k 59 3 43 46 p/10nm1 ea cts0 cts1 48 51 52 54 p20/dmarq...

  • Page 127

    6-11 july 2000 part no. 001-2000-720 cvr interface board schematic (2 of 2) figure 6-4 foldout + u208a 2904 2 3 1 r243 10k r244 7.5k +9v -5v r242 47k r240 100k c234 .022 c235 .01 r241 100k r245 56k c236 .047 r246 56k + u208b 2904 7 6 5 c237 .0068 r247 51k r248 100k + u210a 3403 1 2 3 r249 270k + u21...

  • Page 128

    6-12 july 2000 part no. 001-2000-720

  • Page 129

    6-1 july 2000 part no. 001-2000-720 voter drawer foldout jps jps jps jps jps fuse dc input gnd +v p1 rs-232 female p3 d-15 male p2 d-15 female ac input tb12 tb11 tb10 tb9 tb8 tb7 tb6 tb5 tb4 tb3 tb2 tb1 tb13 site audio in a site audio in b ground voted audio tx audio in a tx audio in b ground ground...

  • Page 130

    6-2 july 2000 part no. 001-2000-720

  • Page 131

    8-1 july 2000 part no. 001-2000-720 power supplies section 8 power supplies 8.1 receiver site power supply (-490) the -490 receiver site power supply has a 110v ac 50/60 hz, 5a maximum input and 10 separate 15v dc/ground output connections. 8.2 receiver site redundant kit (-495) the -495 receiver si...

  • Page 132

    Power supplies 8-2 july 2000 part no. 001-2000-720 figure 8-1 receiver site power supply (-490) figure 8-2 receiver site redundant kit (-495) red blk ac line cord power supply (585-4001-120) p1 j2 10 1 +13.8v p2 j2 10 1 ground j1 f1 fh1 p1 j2 10 1 +13.8v p2 j2 10 1 ground f1 fh1 red blue blue red ac...

  • Page 133

    Power supplies 8-3 july 2000 part no. 001-2000-720 figure 8-3 receiver site power supply (-490) schematic figure 8-4 receiver site redundant kit (-495) schematic figure 8-5 revised receiver site power supply (-490) 1 2 3 4 5 7 8 6 tb1 +13.8v 9 10 f1 j1 1 2 3 4 5 7 8 6 9 10 + - 10a tb2 p1 p2 gnd 1 2 ...

  • Page 134

    Power supplies 8-4 july 2000 part no. 001-2000-720

  • Page 135

    A-1 july 2000 part no. 001-2000-720 800 mhz receiver channel frequency chart appendix a 800 mhz receiver channel frequency chart program fcc repeater repeater channel channel transmit receive number number frequency frequency 1 1 851.0125 806.0125 2 2 851.0375 806.0375 3 3 851.0625 806.0625 4 4 851....

  • Page 136

    800 mhz receiver channel frequency chart a-2 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 89 89 853.2125 808.2125 90 90 853.2375 808.2375 91 91 853.2625 808.2625 92 92 853.2875 808.2875 93 93 853.3125 808.3125 94 94 ...

  • Page 137

    800 mhz receiver channel frequency chart a-3 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 178 178 855.4375 810.4375 179 179 855.4625 810.4625 180 180 855.4875 810.4875 181 181 855.5125 810.5125 182 182 855.5375 810.5...

  • Page 138

    800 mhz receiver channel frequency chart a-4 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 265 265 857.6125 812.6125 266 266 857.6375 812.6375 267 267 857.6625 812.6625 268 268 857.6875 812.6875 269 269 857.7125 812.7...

  • Page 139

    800 mhz receiver channel frequency chart a-5 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 352 352 859.7875 814.7875 353 353 859.8125 814.8125 354 354 859.8375 814.8375 355 355 859.8625 814.8625 356 356 859.8875 814.8...

  • Page 140

    800 mhz receiver channel frequency chart a-6 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 444 444 862.0875 817.0875 445 445 862.1125 817.1125 446 446 862.1375 817.1375 447 447 862.1625 817.1625 448 448 862.1875 817.1...

  • Page 141

    800 mhz receiver channel frequency chart a-7 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 536 536 864.3875 819.3875 537 537 864.4125 819.4125 538 538 864.4375 819.4375 539 539 864.4625 819.4625 540 540 864.4875 819.4...

  • Page 142

    800 mhz receiver channel frequency chart a-8 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 628 626 866.3375 821.3375 629 627 866.3500 821.3500 630 628 866.3625 821.3625 631 629 866.3750 821.3750 632 630 866.3875 821.3...

  • Page 143

    800 mhz receiver channel frequency chart a-9 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 720 714 867.4875 822.4875 721 - 867.5000 822.5000 722 715 867.5125 822.5125 723 - 867.5250 822.5250 724 716 867.5375 822.5375 ...

  • Page 144

    800 mhz receiver channel frequency chart a-10 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 813 803 868.6500 823.6500 814 804 868.6625 823.6625 815 805 868.6750 823.6750 816 806 868.6875 823.6875 817 807 868.7000 823....

  • Page 145

    800 mhz receiver channel frequency chart a-11 july 2000 part no. 001-2000-720 program fcc repeater repeater channel channel transmit receive number number frequency frequency 905 - 869.8000 824.8000 906 - 869.8125 824.8125 907 - 869.8250 824.8250 908 - 869.8375 824.8375 909 - 869.8500 824.8500 910 -...

  • Page 146

    800 mhz receiver channel frequency chart a-12 july 2000 part no. 001-2000-720

  • Page 147

    Index-1 july 2000 part no. 001-2000-720 index a alarm display 8, 7 alignment software 1 b backplane 1 c com port 7, 6 d delete repeater 4, 3, 4 display mode 7 dos shell 2 e edit delete repeater 4, 3, 4 repeater type 4, 3 select repeater 3 setup parameters 3 edit menu 3 f file menu 1 dos shell 2 load...

  • Page 148

    Index-2 july 2000 part no. 001-2000-720 programming flowchart 1 repeater programmer 1 t test 7, 5 full rdm 7, 6 rdm to voter interface 7, 6 receiver 7, 5 transfer 4 read setup parameters 4 write setup parameters 4 u user level 8, 7 utilities 7, 6 alarm display 8, 7 com port 7, 6 display mode 7 user ...