ユーザーズマニュアル目次SECTION 1 INTRODUCTION AND OPERATION171.1 SCOPE OF MANUAL171.2 REPEATER IDENTIFICATION171.3 MODEL NUMBER BREAKDOWN171.4 REPEATER DESCRIPTION171.4.1 TRUNKED SYSTEM171.4.2 LTR-Net TRUNKED SYSTEM171.5 LTR-Net SIGNALING181.6 ACCESSORIES18Table 1-1 VIKING VX REPEATER ACCESSORIES181.7 PRODUCT WARRANTY191.8 FACTORY CUSTOMER SERVICE191.9 FACTORY RETURNS201.10 REPLACEMENT PARTS201.11 INTERNET HOME PAGE201.12 SOFTWARE UPDATES/REVISIONS201.13 REPEATER OPERATION211.13.1 MAIN PROCESSOR CARD (MPC)211.13.2 TEST MODE21Figure 1-1 ALARM IN TEST MODE21Figure 1-2 REPEATER CARDS21Table 1-2 ACTIVE REPEATER ALARMS221.13.3 MAIN AUDIO CARD (MAC)231.13.4 INTERFACE ALARM CARD (IAC)231.13.5 POWER SUPPLY241.14 LTR-Net SYSTEM COMPONENTS241.14.1 INTRODUCTION241.14.2 MOBILE TRANSCEIVERS241.14.3 REPEATERS24Figure 1-3 LTR-Net SYSTEM COMPONENTS251.14.4 SWITCH261.14.5 CALL PROCESSOR AND SYSTEM and SUBSCRIBER MANAGER261.14.6 LOCALITY261.14.7 HOME REPEATER CHANNEL261.14.8 STATUS REPEATER CHANNEL261.14.9 MONITOR REPEATER CHANNEL261.14.10 HOME CHANNEL ALIASING261.14.11 TELEPHONE INTERCONNECT AND DATA TRANSMISSION271.14.12 PUBLIC SWITCHED TELEPHONE NETWORK (PSTN)271.14.13 PRIVATE AUTOMATIC BRANCH EXCHANGE (PABX)271.14.14 PULSE CODE MODULATION (PCM)271.15 LTR-Net FEATURES271.15.1 STANDARD AND SPECIAL CALLS271.15.2 UNIQUE ID CODES271.15.3 GROUP IDENTIFICATION CALLS281.15.4 ALARM FORWARDING TO SWITCH28SECTION 2 INSTALLATION312.1 INTRODUCTION312.1.1 SITE PREPARATION AND ANTENNA INSTALLATION312.2 ENVIRONMENT312.3 VENTILATION312.4 AC POWER31Figure 2-1 BATTERY BACKUP CONNECTOR322.5 BATTERY BACKUP32Figure 2-2 TEMPERATURE SENSOR CABLE322.6 800W POWER SUPPLY32Table 2-1 OUTPUT VOLTAGES32Table 2-2 OVER VOLTAGE32POWER CABLE CONNECTOR AND SCHEMATIC332.6.1 AC INPUT REQUIREMENTS332.7 GROUNDING332.7.1 PROTECTION GUIDELINES342.8 UNPACKING AND INSPECTION35Figure 2-3 RACK MOUNTED REPEATERS35Figure 2-4 5-CHANNEL COMBINING SYSTEM362.9 REPEATER DATA BUS INSTALLATION362.9.1 MPC DATA BUS SWITCH SETTINGS36Figure 2-5 MPC DATA BUS SWITCHES362.9.2 MPC DATA BUS JUMPER SETTINGS36Figure 2-6 MPC JUMPERS362.10 CONNECTING RECEIVE AND TRANSMIT ANTENNAS37Figure 2-7 ANTENNA CONNECTIONS372.11 CONNECTING AUDIO/DATA LINK TO SWITCH372.11.1 VOICE LINK37Figure 2-8 TERMINAL BLOCK J2372.11.2 DATA LINK371. Separate 4-wire link can be used that is similar to that used for voice. The data is then enco...37Figure 2-9 MAC DIP SWITCH SETTINGS FOR 4-WIRE LINK372. A separate RS-232 serial link can be used.38Figure 2-10 MAC DIP SWITCH SETTINGS FOR RS-232 LINK383. The FSK data can be sent over the voice link using a Blank and Burst technique. No separate da...38Figure 2-11 MAC DIP SWITCH SETTINGS FOR BLANK AND BURST LINK38Figure 2-12 LTR-Net VOICE/DATA LINK382.12 OCXO DRAWER CONNECTIONS382.12.1 VIKING VX CONNECTION38Figure 2-13 ATTENUATOR SETTINGS39Figure 2-14 SINGLE REPEATER INSTALLATION40Figure 2-15 TWO REPEATER INSTALLATION40Figure 2-16 THREE OR MORE REPEATERS INSTALLATION41Figure 2-17 MORE THAN ONE RACK OF LTR-Net REPEATERS42SECTION 3 SOFTWARE43Figure 3-1 PROGRAMMING SETUP433.1 INTRODUCTION433.1.1 PROGRAMMING SETUP433.1.2 MINIMUM COMPUTER REQUIREMENTS433.1.3 PROGRAMMING CABLES44Figure 3-2 LAPTOP INTERCONNECT CABLE443.1.4 EEPROM DATA STORAGE443.1.5 GETTING STARTED443.1.6 LIMITATIONS443.2 MISCELLANEOUS SOFTWARE INFORMATION453.2.1 MINIMUM FREE MEMORY REQUIRED453.2.2 SOFTWARE INSTALLATION453.2.3 STARTING THE PROGRAM453.3 ALIGNMENT SOFTWARE45Figure 3-3 REPEATER TEST MENU453.4 HELP45Figure 3-4 PROGRAMMING FLOWCHART46SECTION 4 LTR-Net PROGRAMMER474.1 MENU DISPLAYS47Figure 4-1 MAIN MENU474.2 FILE MENU47Figure 4-2 FILE MENU474.2.1 NEW474.2.2 OPEN474.2.3 SAVE AS47Figure 4-3 OPEN / SAVE AS / SAVE FILE474.2.4 SAVE474.2.5 EXIT47Figure 4-4 EDIT PROGRAMMING FLOWCHART484.3 EDIT48Figure 4-5 EDIT MENU484.3.1 LOCALITY INFORMATION48Figure 4-6 LOCALITY CONFIGURAITON48Table 4-1 DEFINE REPEATERS PARAMETERS48Figure 4-7 ADJACENT LOCALITY DATA494.3.2 SELECT REPEATER49Figure 4-8 SELECT REPEATER49Table 4-2 ADJACENT LOCALITY PARAMETERS494.3.3 REPEATER INFORMATION50Figure 4-9 REPEATER CONFIGURATION50Table 4-3 GENERAL PARAMETERS50Figure 4-10 INPUT ALARMS51Figure 4-11 OUTPUT ALARMS51Figure 4-12 ALARM MAPPING52Figure 4-13 ALARM CROSS REFERENCE524.3.4 DELETE REPEATER53Figure 4-14 DELETE REPEATER534.4 TRANSFER53Figure 4-15 TRANSFER MENU534.4.1 READ SETUP PARAMETERS534.4.2 WRITE SETUP PARAMETERS53Figure 4-16 HARDWARE PROGRAMMING FLOWCHART534.5 HARDWARE54Figure 4-17 HARDWARE MENU54Figure 4-18 HSDB MONITOR544.5.1 HSDB MONITOR544.5.2 RECEIVE/TRANSMIT DATA54Figure 4-19 REPEATER TRAFFIC MONITOR544.5.3 RF DATA55Figure 4-20 RF DATA554.5.4 INPUT MONITOR55Figure 4-21 INPUT MONITOR554.5.5 REVISIONS55Figure 4-22 REVISIONS554.5.6 MODE SELECT56Figure 4-23 MODE SELECT56Figure 4-24 TEST PROGRAMMING FLOWCHART564.6 TEST56Figure 4-25 TEST MENU564.6.1 EXCITER574.6.2 POWER AMPLIFIER574.6.3 RECEIVER574.6.4 FULL REPEATER574.7 UTILITIES57Figure 4-26 UTILITIES MENU574.7.1 COM PORT SETUP57Figure 4-27 SETUP COM PORT574.7.2 ALARM DISPLAY57Figure 4-28 ALARM MONITOR574.8 VIEW584.8.1 STATUS BAR584.8.2 TOOLBAR584.8.3 SAVE SETTINGS ON EXIT584.9 HELP584.9.1 HELP TOPICS584.9.2 HELP ON HELP584.9.3 ABOUT LTR-Net58SECTION 4 LTR-Net PROGRAMMER594.1 MENU DISPLAYS59Figure 4-1 MAIN MENU594.2 FILE MENU59Figure 4-2 FILE MENU594.2.1 NEW594.2.2 OPEN594.2.3 SAVE AS59Figure 4-3 OPEN / SAVE AS / SAVE FILE594.2.4 SAVE594.2.5 EXIT59Figure 4-4 EDIT PROGRAMMING FLOWCHART604.3 EDIT60Figure 4-5 EDIT MENU604.3.1 LOCALITY INFORMATION60Figure 4-6 LOCALITY CONFIGURAITON60Table 4-1 DEFINE REPEATERS PARAMETERS60Figure 4-7 ADJACENT LOCALITY DATA614.3.2 SELECT REPEATER61Figure 4-8 SELECT REPEATER61Table 4-2 ADJACENT LOCALITY PARAMETERS614.3.3 REPEATER INFORMATION62Figure 4-9 REPEATER CONFIGURATION62Table 4-3 GENERAL PARAMETERS62Figure 4-10 INPUT ALARMS63Figure 4-11 OUTPUT ALARMS63Figure 4-12 ALARM MAPPING64Figure 4-13 ALARM CROSS REFERENCE644.3.4 DELETE REPEATER65Figure 4-14 DELETE REPEATER654.4 TRANSFER65Figure 4-15 TRANSFER MENU654.4.1 READ SETUP PARAMETERS654.4.2 WRITE SETUP PARAMETERS65Figure 4-16 HARDWARE PROGRAMMING FLOWCHART654.5 HARDWARE66Figure 4-17 HARDWARE MENU66Figure 4-18 HSDB MONITOR664.5.1 HSDB MONITOR664.5.2 RECEIVE/TRANSMIT DATA66Figure 4-19 REPEATER TRAFFIC MONITOR664.5.3 RF DATA67Figure 4-20 RF DATA674.5.4 INPUT MONITOR67Figure 4-21 INPUT MONITOR674.5.5 REVISIONS67Figure 4-22 REVISIONS674.5.6 MODE SELECT68Figure 4-23 MODE SELECT68Figure 4-24 TEST PROGRAMMING FLOWCHART684.6 TEST68Figure 4-25 TEST MENU684.6.1 EXCITER694.6.2 POWER AMPLIFIER694.6.3 RECEIVER694.6.4 FULL REPEATER694.7 UTILITIES69Figure 4-26 UTILITIES MENU694.7.1 COM PORT SETUP69Figure 4-27 SETUP COM PORT694.7.2 ALARM DISPLAY69Figure 4-28 ALARM MONITOR694.8 VIEW704.8.1 STATUS BAR704.8.2 TOOLBAR704.8.3 SAVE SETTINGS ON EXIT704.9 HELP704.9.1 HELP TOPICS704.9.2 HELP ON HELP704.9.3 ABOUT LTR-Net70SECTION 5 REPEATER PROGRAMMING715.1 OVERVIEW715.1.1 GETTING STARTED715.1.2 STARTING THE PROGRAM715.1.3 USING THE TOOLBAR715.1.4 LIMITATIONS715.2 LOCALITY SETUP715.2.1 General Parameters725.3 HOW DO I725.3.1 CREATING A NEW SITE FILE725.3.2 OPEN AN EXISTING SITE FILE725.3.3 MODIFY AN EXIXTING SITE FILE725.3.4 ADD A REPEATER725.3.5 CHANGE A REPEATER NUMBER72SECTION 6 CIRCUIT DESCRIPTION736.1 RECEIVER736.1.1 INTRODUCTION736.1.2 REGULATED VOLTAGE SUPPLIES736.1.3 HELICAL FILTER, RF AMPLIFIER736.1.4 FIRST MIXER, CRYSTAL FILTER736.1.5 IF AMPLIFIER, CRYSTAL FILTER73Figure 6-1 RECEIVER BLOCK DIAGRAM746.1.6 SECOND MIXER/DETECTOR74Figure 6-2 U202 BLOCK DIAGRAM746.1.7 WIDEBAND AUDIO AMPLIFIER756.1.8 RSSI AMPLIFIER756.1.9 HIGH STABILITY SYNTHESIZER75Figure 6-3 SYNTHESIZER BLOCK DIAGRAM766.1.10 LOCK DETECT776.1.11 BUFFER AMPLIFIER776.1.12 VCO (A006)776.1.13 ACTIVE FILTER776.1.14 BUFFER776.1.15 SYNTHESIZER786.1.16 BUFFER AMPLIFIER796.1.17 LOCK DETECT796.1.18 BUFFER AMPLIFIER796.1.19 RF AMPLIFIERS796.2 EXCITER796.2.1 VCO (A007)796.2.2 EXCITER VCO AND TCXO FREQUENCY MODULATION806.2.3 ACTIVE FILTER806.2.4 BUFFER806.2.5 HIGH STABILITY SYNTHESIZER806.2.6 LOCK DETECT81Figure 6-4 EXCITER BLOCK DIAGRAM826.2.7 BUFFER AMPLIFIER826.2.8 EXCITER SYNTHESIZER826.2.9 BUFFER AMPLIFIER836.2.10 BUFFER AMPLIFIER846.2.11 LOCK DETECT846.2.12 BUFFER AMPLIFIER846.2.13 RF AMPLIFIERS846.3 OCXO DRAWER846.3.1 INTRODUCTION84Figure 6-5 OCXO DRAWER BLOCK DIAGRAM85Figure 6-6 OCXO DRAWER FRONT/REAR PANELS866.3.2 OCXOs, BUFFERS, DIVIDER AND LINE DRIVER866.3.3 OCXO SWITCHING86Figure 6-7 OCXO SWITCHING876.3.4 OCXO PULSE DETECTION876.3.5 DELTA F DETECTION876.4 75W POWER AMPLIFIER886.4.1 AMPLIFIER/PRE-DRIVER886.4.2 DRIVER886.4.3 FINAL AMPLIFIERS88Figure 6-8 75W PA BLOCK DIAGRAM896.4.4 POWER DETECTORS896.4.5 THERMAL SENSOR896.4.6 FORWARD/REVERSE POWER DETECT, CIRCULATOR, LOW-PASS FILTER896.5 160W POWER AMPLIFIER896.5.1 GAIN BLOCK896.5.2 DRIVER89Figure 6-9 160W PA BLOCK DIAGRAM906.5.3 FINAL AMPLIFIERS906.5.4 POWER DETECTORS906.5.5 FORWARD/REVERSE POWER DETECT, CIRCULATOR, LOW-PASS FILTER906.6 RF INTERFACE BOARD916.6.1 POWER CONNECTOR916.6.2 SIGNAL CONNECTOR (J101)916.6.3 FAN CONNECTOR (J104)936.6.4 POWER AMPLIFIER CONNECTIONS936.6.5 EXCITER CONNECTOR (J102)946.6.6 RECEIVER CONNECTOR (J103)95Figure 6-10 RF INTERFACE BOARD BLOCK DIAGRAM976.7 800W POWER SUPPLY986.7.1 FILTER BOARD986.7.2 POWER FACTOR CORRECTION986.7.3 MAIN PULSE WIDTH MODULATOR98Figure 6-11 POWER SUPPLY BLOCK DIAGRAM996.7.4 SYNCHRONIZING CIRCUITS1006.7.5 FAN AND THERMAL SHUTDOWN1006.7.6 +15V CONVERTER1016.7.7 +5V CONVERTER1016.7.8 -5V CONVERTER1016.7.9 POWER SUPPLY REPAIR AND ALIGNMENT1011. The +26.5V supply can be adjusted with R174 when any of the following components are replaced:...1022. The +15V supply can be adjusted with R216 when any of the following components are replaced: R...1023. The +5.2V supply can be adjusted with R254 when any of the following components are replaced: ...1026.8 BATTERY BACK-UP MODULE1026.8.1 OPERATION1026.8.2 CHARGER102Figure 6-12 NO LOAD CHARGE VOLTAGE vs. TEMPERATURE1036.8.3 REVERSE BATTERY PROTECTION1036.8.4 ENGAGING THE RELAY1036.8.5 OVER/UNDERVOLTAGE SHUTDOWN1036.8.6 BBM FAN CONTROL1046.9 CARD RACK104Figure 6-13 BACKPLANE CONNECTORS1046.10 ALARM EXTERNAL CONNECTOR BOARD105Figure 6-14 ALARM EXTERNAL CONNECTOR BOARD1056.11 MAIN PROCESSOR CARD1066.11.1 INTRODUCTION1066.11.2 MAIN CONTROLLER MICROPROCESSOR106Figure 6-15 U27 BLOCK DIAGRAM1076.11.3 HIGH SPEED DATA BUS MICROPROCESSOR1076.11.4 CHIP SELECT DECODERS1086.11.5 P1 SIGNAL CONNECTOR1086.11.6 J1 COMPUTER CONNECTOR1096.11.7 J2 MEMORY SELECT1096.11.8 J3 BAUD RATE1096.11.9 S2/S3 HSDB SETTINGS1096.11.10 J4 EPROM MEMORY LOADING1096.11.11 J5 HSDB SPEED1096.11.12 J6 WATCHDOG1096.12 MAIN AUDIO CARD1106.12.1 INTRODUCTION1106.12.2 AUDIO/DATA MICROPROCESSOR1106.12.3 RECEIVE AUDIO1106.12.4 RECEIVE SQUELCH CIRCUITRY1116.12.5 RECEIVE DATA CIRCUITRY1116.12.6 RECEIVE AUDIO PROCESSING1126.12.7 VOTER AUDIO1126.12.8 COMPANDOR OPTION1126.12.9 TRANSMIT AUDIO1126.12.10 TRANSMIT AUDIO PROCESSING1136.12.11 TRANSMIT DATA AND CWID PROCESSING1136.12.12 FSK MODEM114Figure 6-16 MODEM BLOCK DIAGRAM114Figure 6-17 FSK MODEM SWITCH SETTINGS115Figure 6-18 RS-232 SWITCH SETTINGS1156.12.13 P101 SIGNALING CONNECTOR1166.12.14 P100 EXTERNAL OUTPUTS1176.12.15 J100 A D LEVEL TEST POINT1176.12.16 J101 SPEAKER/MICROPHONE1176.12.17 J102 LOCAL MICROPHONE1176.12.18 J103 GROUND1176.12.19 J104 EXTERNAL SPEAKER1186.12.20 J105 WATCH DOG1186.12.21 J106 TX DATA PATH1186.12.22 A301 COMPANDOR CONNECTIONS1186.13 INTERFACE ALARM CARD1186.13.1 ALARM FORWARDING TO SWITCH1186.13.2 RELAY OUTPUTS118Figure 6-19 4 I/O J1 ALARM OUTPUTS118Figure 6-20 4 I/O J2 ALARM OUTPUTS1196.13.3 ISOLATED INPUTS119Figure 6-21 S500-S5031196.13.4 ALARM INDICATORS1196.13.5 ALARM FUNCTIONS1196.13.6 P500 SIGNALING CONNECTOR120Figure 6-22 ALARM EXAMPLE1206.13.7 P501 EXTERNAL OUTPUTS1216.13.8 J500 A D LEVEL TEST POINT1236.13.9 J501 GROUND1236.13.10 J502 +15V1236.13.11 POWER SWITCH1236.13.12 J505 SQUELCH ENABLE OUTPUT123Figure 6-23 MAIN PROCESSOR CARD BLOCK DIAGRAM125Figure 6-24 MAIN AUDIO CARD LOGIC BLOCK DIAGRAM126Figure 6-25 MAIN AUDIO CARD AUDIO BLOCK DIAGRAM127Figure 6-26 INTERFACE ALARM CARD BLOCK DIAGRAM128SECTION 7 ALIGNMENT AND TEST PROCEDURES1297.1 OCXO AND TEST EQUIPMENT FREQUENCY STABILITY1297.2 RECEIVER ALIGNMENT1297.2.1 PRE-TEST1291. Preset L201, L202, L203, L204, L206, L223 and L224 tuning screws about 1/4 inch above the top ...1292. Preset L202 and L205 tuning screws so they are just barely above their tightening lock nuts.1297.2.2 VOLTAGE MEASUREMENTS1297.2.3 PROGRAM TUNE-UP CHANNEL1291. Using the PC and software, program the Synthesizer for the Receive channel number.1292. Tune the VCO helical L220 for +4.5V DC ±0.05V on U209, pin 6 or TP2.1293. Alternately tune L223 and L224 in 1/2-turn to 1-turn increments until a voltage is measured on...1294. Retune L223 and L224 for a peak at J201, pin 13.1297.2.4 TCXO FREQUENCY ADJUST1291. Set Y201 (TCXO) for 3.5V DC ±0.05V DC at TP1 (response time is very slow).1297.2.5 VCO TEST1292. The Synthesizer is programmed for 199 channels above the Receive Channel.1293. The voltage on U209, pin 6 (TP2) should be < 7.5V DC.1294. Record the voltage on J201, pin 13 (TP5) ____.1295. The Synthesizer is programmed for 199 channels below the Receive Channel.1306. The voltage on U209, pin 6 (TP2) should be > 2V DC.1307. Record the voltage on J201, pin 13 (TP5) ____.1308. If the voltages recorded in Steps 3 and 6 are not within ±0.2V, tune L224 as required to balan...1309. The Synthesizer is reprogrammed for the Receive Channel.1307.2.6 FRONT END ADJUSTMENTS1301. Set the signal generator to the Receive Channel at a level sufficient to produce an output vol...1302. Tune L204, L205, L206, L201, L202, L203 and L204 for a peak voltage on J201, pin 7 (TP3). Decr...1303. Set the generator to 1000 mV with a 1 kHz tone at ±1.5 kHz deviation (100 mV at the Rx antenna...1304. Tune the Quadrature detector coil Z213 for maximum AC voltage on J201, pin 9 (TP4).1305. Adjust R264 for 387 mV RMS, ±5 mV RMS, on J201, pin 9.1306. Adjust R284 for 2V DC ±0.05V DC on J201, pin 9 (TP4).1307. Measure the distortion on pin J201, pin 9 (TP4) (analog tuning meter is preferred).1308. Tune C207, L209, L211 and L225 for peak voltage on J201, pin 7 (TP3). Decrease the generator o...1309. Repeat Steps 4, 5 and 6.1307.2.7 AUDIO DISTORTION1301. Plug a 16 ohm resistive load at J101 or J104 on the MAC (Main Audio Card).1302. Connect a distortion analyzer to the 16 ohm load.1303. Measure the distortion of the receive audio at J101 or J104 on the MAC with the local volume c...1304. The reading should be less than 3% (typically < 1%).1305. Measure receive sensitivity at J101 or J104 on the MAC.1306. The reading should be < 0.35 mV (typically < 0.25 mV). Optional: Adjust L207, L209, L211, and ...1307. The Synthesizer is programmed for 199 channels above the Receive Channel.1308. The receive sensitivity should be < 0.35 mV (typically < 0.3 mV). Optional: Adjust L204 to bal...1309. The Synthesizer is programmed for 199 channels below the Receive Channel. Optional: Adjust L20...13010. The receive sensitivity should < 0.35 mV (typically < 0.3 mV).130Figure 7-1 RECEIVER ALIGNMENT POINTS1317.3 EXCITER ALIGNMENT1317.3.1 PRETEST1311. Set TCXO modulation adjust R425 fully counterclockwise.1312. Connect the power meter to J402.1313. Connect OCXO to J403.1317.3.2 VOLTAGE MEASUREMENTS1317.3.3 PROGRAM TUNE-UP CHANNEL1311. Program the Transmit Channel.1312. Use the "Turn on carrier" button to key the Exciter.1313. Tune VCO helical L404 for 4.5V ±0.05V on U403, pin 6 (TP1).1314. Measure the Power Output of the Exciter at J402. Reading should be +17.5 dBm ±0.5 dB.1315. Use the "Turn on carrier" button to unkey the Exciter.1317.3.4 TCXO FREQUENCY ADJUST1321. Tune TCXO Y401 for 3.5V DC ±0.05V DC at U402, pin 1 (response time is very slow).1327.3.5 VCO TEST1321. The Synthesizer is programmed for 199 channels above the transmit frequency.1322. Use the "Turn on carrier" button to key the Exciter.1323. Measure the voltage on U403, pin 6 (TP1). Voltage should be < 7V DC and the Power Output +17.5...1324. Use the "Turn on carrier" button to unkey the Exciter.1325. The Synthesizer is programmed for 199 channels below the transmit frequency.1326. Use the "Turn on carrier" button to key the Exciter.1327. Measure the voltage on U403, pin 6 (TP1). Voltage should be > 2.5V DC and the Power Output +17...1328. Use the "Turn on carrier" button to unkey the Exciter.1327.3.6 TRANSMIT MODULATION ADJUST1321. Connect a 10 dB pad and modulation analyzer to J402.1322. Press the "FM" and "3 kHz LPF" switches of the modulation analyzer.1323. Inject a 1 kHz sine wave with a level of 400 mV RMS into P100, pin 32 on the MAC. NOTE: This t...1324. Adjust U149 for 707 mV RMS on P100, pin 29. This waveform should be a "clean" sine wave.1325. Use the "Turn on carrier" button to key the Exciter.1326. Set R446 for ±1.5 kHz deviation.132Figure 7-2 EXCITER ALIGNMENT POINTS1327. Use the "Turn on carrier" button to unkey the Exciter. NOTE: Ensure that the oscilloscope is "...1328. Adjust U151 for a 2V P-P square wave on P100, pin 29. NOTE: This test changes the TX Data Leve...1329. Use the "Turn on carrier" button to key the Exciter.13210. Set R425 for "best" square wave as observed on the oscilloscope.13211. Use the "Turn on carrier" button to unkey the Exciter.13312. Repeat Steps 1-7. Very little adjustment of R446 should be needed.1337.4 75W POWER AMPLIFIER ALIGNMENT1337.4.1 INTRODUCTION1337.4.2 FORWARD POWER OUTPUT CALIBRATION1331. Connect the: power supply ground lead to P105, +15V DC lead to P103, +26.5V DC lead to P101 an...1332. Connect attenuator and power meter to A8.1333. Set R663 fully counterclockwise.1334. Set R76 on the RFIB fully counterclockwise.1335. Set the signal generator to +16 dBm ±0.1 dB at 937.5 MHz.1336. Use the "Turn on carrier" button to key the PA.1337. Adjust R663 for 85W ±2W (±0.1 dB).1338. Verify that Output 1 is within 20% of Output 2.1339. Use the "Turn on carrier" button to unkey the PA.1337.4.3 PRE-DRIVER POWER LIMIT ADJUSTMENT1331. Set a power reference of 0 dB at 85W.1332. Monitor the Transmit current and RF output level. Use the Up Arrow key to increase the power l...1333. Adjust power limit control R76 clockwise until power is limited to 0.55 dB above 85W (95W). If...1347.4.4 REFLECTED POWER ADJUST1341. Remove the load cable from A8.1342. Use the "Turn on carrier" button to key the PA. NOTE: This will not harm the PA.1343. Adjust Reverse Power Calibration Pot R680 for equal voltages on W126 and W121 on the RFIB or f...1344. Use the "Turn on carrier" button to unkey the PA.1345. Apply "Glyptol" to R663, R680 and R76.1346. Use the “Turn fan on” button to turn on/off fans. Both PA fans should turn ON.1347. Measure temperature detector voltage at W127 on the RFIB. Normal output at 25°C ambient is app...134Figure 7-3 POWER AMPLIFIER ALIGNMENT POINTS1347.5 160W POWER AMPLIFIER ALIGNMENT1357.5.1 POWER OUTPUT ADJUSTMENTS1351. Connect the: power supply ground lead to P105, +15V DC lead to P103, +26.5V DC lead to P101 an...1352. Connect attenuator and power meter to A8, the Transmit Antenna Connector.1353. Set R663 on the Forward/Reverse Power Detect board fully counterclockwise.1354. Set R76 on the RFIB fully counterclockwise.1355. Set the generator to +15 dBm ±0.1 dB at 937.5 MHz.1356. Use the "Turn on carrier" button to key the PA.1357. Adjust Forward Power Calibration Pot R663 for 160W ±0.1 dB (±3.5W).1358. Verify Output 1 is within 20% of Output 2 and Output 3 is within 20% of Output 4.1357.5.2 PRE-DRIVER POWER LIMIT ADJUSTMENT1351. Set a power reference of 0 dB at 160W.1352. Monitor the Transmit current and RF output level. Use the Up Arrow key to increase the power l...1353. Adjust power limit control R76 clockwise until power is limited to 0.75 dB above 175W (192W).1354. Use the "Turn on carrier" button to unkey the PA.1357.5.3 REFLECTED POWER ADJUST1351. Remove the load cable from A8.1352. Use the "Turn on carrier" button to key the PA. This will not harm the PA.1353. Adjust Reverse Power Calibration Pot R680 for equal voltages on W126 and W121 on the RFIB or f...1354. Use the "Turn on carrier" button to unkey the PA.1355. Apply 'glyptol' to R663, R680 and R76.1356. Use the “Turn on fan” button to turn on/off fans. Both PA fans should turn ON.1357. Measure temperature detector voltage at W127 on the RFIB. Normal output at 25°C ambient is app...135Figure 7-4 160W POWER AMPLIFIER ALIGNMENT POINTS136Figure 7-5 RF INTERFACE BOARD ALIGNMENT POINTS136Figure 7-6 POWER EXTENDER CABLES137Figure 7-7 REPEATER TO CIM TEST SETUP137Figure 7-8 160W PA TEST SETUP138Figure 7-9 RECEIVER TEST SETUP139Figure 7-10 EXCITER TEST SETUP140Figure 7-11 75W POWER AMPLIFIER TEST SETUP1417.6 FULL REPEATER ALIGNMENT1427.6.1 PERFORMANCE TEST PROGRAM1421. Select the TEST - FULL REPEATER - ALL TEST and press Enter.1427.6.2 REPEATER SETUP1421. Pretest the MPC, IAC, MAC and RFIB per their individual board level test procedures.1422. Pretest the Power Amplifier, Exciter, Receiver and Chassis per their individual test procedure...1423. Assemble the Transceiver to the Power Amplifier and insert into the chassis along with the Pow...1424. Engage the locking lever of the IAC and turn on the repeater power supply switch (S508) in the...1427.6.3 TRANSMITTER TEST/ADJUSTMENTS1421. Use the "Turn on carrier" button to key the repeater.1422. The Transmit LED on the IAC should turn on to indicate the repeater is transmitting.1423. Use the "Turn on carrier" button to unkey the repeater.1421. Use the "Turn on carrier" button to key the repeater.1422. Check the transmit output power. The power can be adjusted from the computer using the Power C...1423. Use the "Turn on carrier" button to unkey the repeater.1427.6.4 RECEIVER TESTS/ADJUSTMENT1421. Check the receiver injection frequency by using a "sniffer" pickup loop, or RF probe connected...1422. Tune Y201 (TCXO) on the Receiver at TP1 for 3.5V DC ±0.05V (response time is very slow).1421. Adjust the RF generator for 100 mV output with a 1 kHz tone at ±1.5 kHz deviation.1422. Insert test cables into J100/J103 on the MAC and connect to an AC voltmeter.1423. Adjust R237 for 0 dBm (775 mV RMS).1434. Connect a 16 ohm load and distortion analyzer to J101 or J104 of the MAC.1435. Adjust R236 for 2.8V RMS and measure the distortion. Distortion should be < 3%.1431. Adjust the RF generator for 100 mV output with a 1 kHz tone at ±1.5 kHz deviation.1432. Connect a 16 ohm load and distortion analyzer to J101 or J104 of the MAC.1433. Adjust R236 for 2.8V RMS.1434. Remove modulation from the RF generator. The measured level shall be £ -45 dB.1431. Adjust the RF generator for 100 mV output with a 1 kHz tone at ±1.5 kHz deviation.1432. Connect a 16 ohm load and distortion analyzer to J101 or J104 of the MAC.1433. Adjust R236 for 2.8V RMS.1434. 12 dB SINAD reading shall be £ 0.35 mV.1431. Adjust the RF generator for 100 mV output with a 1 kHz tone at ±1.5 kHz deviation.1432. Connect a 16 ohm load and distortion analyzer to J101 or J104 of the MAC.1433. Adjust R236 for 2.8V RMS.1434. Set the RF generator output for 5 dB SINAD.1435. Adjust R234 on the MAC so the Receiver just squelches.1436. Increase the RF generator output until the Receiver unsquelches. Reading shall be £ 10 dB SINAD.1431. Adjust the RF generator for 100 mV output with a 100 Hz tone at ±800 Hz deviation.1432. Insert test cables into J100/J103 on the MAC and connect to an AC voltmeter.1433. Adjust R235 to achieve 340 mV RMS1431. Adjust the RF generator for 100 mV output with a 1 kHz tone at ±1.5 kHz deviation.1432. Plug a Speaker/Microphone into J101/J102 of the MAC.1433. Adjust R236 until the 1 kHz tone is heard.1431. Adjust the RF generator for 100 mV output with a 1 kHz tone at ±1.5 kHz deviation.1432. Connect a 16 ohm load and distortion analyzer to J101 or J104 of the MAC.1433. Adjust R236 for 2.8V RMS.1434. Adjust the RF generator output for 12 dB SINAD.1435. Use the "Turn on carrier" button to key the transmitter.1436. SINAD shall not degrade more than 1 dB; i.e. no less than 11 dB SINAD.1437. Use the "Turn on carrier" button to unkey the transmitter.1431. Signal Displacement Bandwidth1432. Adjacent Channel Rejection1443. Offset Channel Selectivity1444. Intermodulation Rejection1445. Spurious Rejection1446. Audio Response1447. Audio Sensitivity1447.6.5 RECEIVER EXPANDER MEASUREMENT1441. Adjust the RF generator for 100 mV into the receiver with a modulation tone of 1 kHz at ±1.5 k...1442. Insert AC voltmeter probes into J100/J103 on the MAC. AC voltage shall be between 1.1 and 1.25...1443. Adjust RF generator for ±800 Hz deviation. AC voltage shall be between 325 and 450 mV RMS.1444. Adjust RF generator for ±500 Hz deviation. Voltage level shall be between 150 and 250 mV RMS.1447.6.6 TRANSMIT AUDIO/DATA LEVEL ADJUSTMENTS1441. Remove VNC cards if present.1442. Apply a 1 kHz tone at -3 dBm (548 mV RMS) to P100, pin 32 of the MAC.1443. Insert test cables into J100/J103 and connect to an AC voltmeter.1444. Use the "Turn on carrier" button to key the transmitter.1445. Adjust R305 for 0 dBm (775 mV RMS).1446. Use the "Turn on carrier" button to unkey the transmitter.1447. Press F2 to advance to the next screen.1448. Final adjustment must be performed on the customer channel. Apply a 1 kHz tone at +7 dBm (1.73...1449. Use the "Turn on carrier" button to key the transmitter.14410. Adjust U149 with the Level Control buttons to set the maximum allowed deviation at ±1.6 kHz ±50.14411. Use the "Turn on carrier" button to unkey the transmitter.14412. Remove the signal from P100, pin 32.1441. Adjust the RF generator for 100 mV output with a 1 kHz tone at ±800 Hz deviation. Set modulati...1442. Use the "Turn on carrier" button to key the transmitter.1443. Final adjustment must be performed on the customer channel. Adjust R237 on the MAC to achieve ...1444. Use the "Turn on carrier" button to unkey the transmitter.1445. Press F2 to advance to the next screen.1446. Connect an AC voltmeter to J103 and P100, pin 31 (RX_VOICE).1447. Adjust R238 for -3 dBm (548 mV RMS).1448. Remove the RF generator from the Receiver.1441. Remove VNC cards if present. (Set modulation analyzer LPF switch to 3 kHz.) Final adjustment m...1452. Use the "Turn on carrier" button to key the transmitter.1453. Adjust U151 with the Level Control buttons to achieve ±750 Hz ±50 Hz transmit deviation.1454. Use the "Turn on carrier" button to unkey the transmitter.1451. Remove VNC cards if present.1452. Apply a 1 kHz tone at +7 dBm (1.73V RMS) to P100, pin 32 of the MAC. (Set modulation analyzer ...1453. Use the "Turn on carrier" button to key the transmitter.1454. Check for measured deviation out of the modulation analyzer to be ±2.4 kHz +100/-200 Hz.1455. Use the "Turn on carrier" button to unkey the transmitter.1456. Disconnect all cables.1451. Set modulation analyzer LPF switch to 3 kHz. Use the "Turn on carrier" button to key the trans...1452. Deviation should measure between 750 Hz and 1250 Hz.1453. Use the "Turn on carrier" button to unkey the transmitter.1451. Plug a Speaker/Microphone into J101/J102 of the MAC. Set modulation analyzer LPF switch to 3 kHz.1452. Press the microphone PTT and say "four" loudly into the microphone.1453. Deviation should measure ±1.4-1.6 kHz.1454. Release the microphone PTT.1451. On the modulation analyzer press: 300 Hz HPF 3000 Hz LPF FM Pre-Display 750 mS Avg RMS Cal 0.2...1452. Use the "Turn on carrier" button to key the transmitter and measure the Hum and Noise Ratio. T...1453. Use the "Turn on carrier" button to unkey the transmitter.1451. Remove VNC cards if present. On the modulation analyzer select: FM 50 Hz 15 kHz1452. Apply 200 mV RMS at 1 kHz to P100, pin 32 of the MAC.1453. Use the "Turn on carrier" button to key the transmitter.1454. Adjust audio level to produce ±1 kHz deviation.1455. On the modulation analyzer select: 300 Hz 3 kHz 750 ms de-emphasis1456. Distortion should be < 2%.1457.6.7 TRANSMITTER COMPRESSOR MEASUREMENT1461. Set the modulation analyzer LPF to 3 kHz.1462. Apply +7 dBm (1.73V RMS) at 1 kHz to P100, pin 32 on the MAC.1463. Use the "Turn on carrier" button to key the transmitter.1464. Deviation shall be between 1.35 and 1.5 kHz.1465. Adjust 1 kHz signal to -8.2 dBm (300 mV RMS). Deviation shall be between 750 and 850 kHz.1466. Adjust 1 kHz signal to -17.8 dBm (100 mV RMS). Deviation shall be between 450 and 500 kHz.1467. Use the "Turn on carrier" button to unkey the transmitter.1467.6.8 AUDIO/DATA LEVEL ADJUSTMENTS1461. Set MAC S100 and S101, all Sections OFF.1462. Adjust the RF generator for 100 mV modulated with a 1 kHz tone at ±1.5 kHz deviation.1463. Connect a balanced AC voltmeter with a 600 ohm input impedance between balanced lines RXA+ and...1464. Adjust R239 on the MAC for the type of line. Leased Line/Direct Connect (default) -12 dBm (194...1461. Set MAC S100 and S101, all Sections OFF (see Figure 7-12).1462. Inject a 1 kHz tone from a balanced 600 ohm source, at the level determined by the type of lin...1463. Adjust R243 on the MAC to obtain -6 dBm (387 mV RMS) measured at J100/J103.146Figure 7-12 S100 SETTING1461. Set MAC S100 Sections 1, 4, 5, 8 OFF; 2, 3, 6, 7 ON; S101 Sections 2, 3, 4 OFF; 1 ON (see Figu...1462. Inject a 1.2 kHz tone from a balanced 600 ohm source, at the level determined by the type of l...1473. Adjust R242 on the MAC to obtain -10 dBm (245 mV RMS) measured at J100/J103.147Figure 7-13 S100/S101 SWITCH SETTINGS147Figure 7-14 J2 TERMINAL BLOCK (SECONDARY)1471. Set MAC S100, all Sections OFF; S101 Sections 2, 3, 4 OFF; 1 ON (see Figure 7-15).1472. Inject a 1.2 kHz tone from a balanced 600 ohm source, at the level determined by the type of l...1473. Adjust R242 on the MAC to obtain -10 dBm (245 mV RMS) measured at J100/J103.147Figure 7-15 SWITCH SETTINGS147Figure 7-16 J2 TERMINAL BLOCK1471. Set MAC S100 Sections 1, 4, 5, 8 OFF; 2, 3, 6, 7 ON; S101 Sections 2, 3, 4 OFF; 1 ON (see Figu...1482. Adjust R240 on the MAC to obtain -16 dBm (123 mV RMS) measured at J100/J103.1483. Press F2 to advance to the next screen.1484. Connect a balanced AC Voltmeter with a 600 ohm input impedance between balanced lines RXS+ and...1485. Adjust R241 on the MAC for the type of line used. Leased Line/Direct Connect (default) -12 dBm...1481. Set MAC S100, all Sections OFF; S101 Sections 2, 3, 4 OFF; 1 ON (see Figure 7-15).1482. Connect a balanced AC Voltmeter with a 600 ohm input impedance between balanced lines RXA+ and...1483. Adjust R240 on the MAC for the type of line used. Leased Line/Direct Connect (default) -22 dBm...148Figure 7-17 S100/S101 RS-2321481. Set MAC S100, Sections 2, 3, 6, 7 OFF; 1, 4, 5, 8 ON (see Figure 7-17).1482. Set MAC S101, Sections 1, 3, 4 OFF; 2 ON (see Figure 7-17).1487.6.9 REPEATER OPERATION1481. Switch settings on the MPC for RS-485 (new style) operation are shown in Figure 7-18. S002 all...148Figure 7-18 NEW HSDB SWITCH SETTINGS1482. Verify that the repeater is programmed for "Stand Alone" mode in Setup Parameters-F4 (see Sect...1493. The repeater is now in Normal Operation mode. Verify by the MPC front panel indicators that no...1491. Switch settings on the MPC for single-ended 5V (old style) operation are shown in Figure 7-19....149Figure 7-19 OLD HSDB SWITCH SETTINGS1492. Verify that the repeater is programmed for "Stand Alone" mode in Setup Parameters-F4 (see Sect...1493. The repeater is now in Normal Operation mode. Verify by the MPC front panel indicators that no...1491. Program an LTR, portable or mobile, for the following parameters. Home Repeater - Same as repe...1492. The repeater is now in Normal Operation mode.1493. Key the radio several times on the programmed System/Group. Access should occur every time. (P...1491. The repeater is now in Normal Operation mode.1492. Verify by the MPC front panel indicators that no alarms have occurred (see Table 1-2).1497.7 SWITCH (RNT) INTERFACE1497.7.1 REPEATER SETUP1491. Connect the repeater as shown in Figures 7-7, 7-20 and 7-21.1492. Adjust the repeater for the type of link used for communication back to the CIM in the Switch....1493. Program the repeater for the specified parameters using the Programmer.1497.7.2 CIM SETUP1491. Adjust the CIM for the type of link used for communication back to the repeater. The types of ...1492. Connect the link lines to the Switch and its associated CIM (see Figure 7-21).149Figure 7-20 J2 CONNECTOR150Figure 7-21 VIKING VX VOICE/DATA LINK150Figure 7-22 S100/S101 SWITCH SETTING1507.7.3 VOICE AUDIO TO SWITCH1501. On the MAC, set S100 and S101, all Sections OFF (see Figure 7-22).1502. Connect an RF generator to the receiver.1503. Adjust the RF generator for 100 mV modulated with a 1 kHz tone at ±1.5 kHz deviation.1504. Connect a balanced AC Voltmeter with a 600 ohm input impedance between balanced lines RXA+ and...1505. On the MAC, adjust R239 for the type of line used. Leased Line/Direct Connect (default) -12 dB...1507.7.4 VOICE AUDIO FROM SWITCH1501. On the MAC, set S100 and S101, all Sections OFF (see Figure 7-22).1502. On the CIM (in the Switch) generate an alignment tone (set S5 to "1") (see Figure 7-31).1503. On the CIM, connect a balanced AC voltmeter at J12.1514. On the CIM, adjust R44 for the type of line used. Leased Line/Direct Connect (default) -12 dBm...1515. On the MAC, adjust R243 for -6 dBm (387 mV RMS) measured at J100/J103.151Figure 7-23 MAC SWITCH SETTINGS1517.7.5 BLANK AND BURST - FSK DATA FROM SWITCH1511. On the MAC, set S100 all Sections OFF set S101, sections 2, 3, 4 OFF set S101, section 1 ON (s...1512. On the CIM, (in the Switch) generate an alignment tone (set S5 to a value of "8").1513. On the CIM, adjust R86 at TP4 for the type of line used. Leased Line/Direct Connect (default) ...1514. On the CIM, verify at J12 (see Figure 7-31). Leased Line/Direct Connect (default) -21 dBm (69 ...151Figure 7-24 BATTERY REVERT TEST SETUP1517.7.6 FSK LINK - FSK DATA LEVEL TO SWITCH1521. On the MAC, set S100 all Sections OFF set S101, sections 2, 3, 4 OFF set S101, section 1 ON (s...1522. Connect a balanced AC voltmeter with 600 ohm input impedance between balanced lines RXA+ and R...1523. On the MAC, adjust R240 for the type of line used. Leased Line/Direct Connect (default) -22 dB...1527.8 VISUAL CHECK1521. Make sure the heat sunk parts are not shorted to the heat-sink.1522. Verify all electrolytic capacitors are installed correctly.1523. Connect 023-2000-830 Battery Back-Up as shown in Figure 7-24.1527.9 BATTERY REVERT TEST1521. Connect the circuit as shown in Figure 7-24.1522. Turn the active load to current mode at 1A.1523. Turn enable to On, battery fault LED should be on.1524. Increase Vs1 until: the relay engages the voltage is present on the active load the battery fa...1525. Increase Vs1 until: the relay disengages the LED lights no voltage is present at the active lo...1526. Decrease VS1 until: the relay engages the LED goes out voltage is present at the active load. ...1527. Set Vs1 to 26.5V DC and turn the enable line to OFF. No voltage will be present at the active ...1528. Decrease Vs1 until: the relay disengages the LED lights no voltage is present at the active lo...1529. With the enable line OFF measure current Is, it should be less than 20 mA.15210. Reverse the polarity of Vs1 Set to 26.5V DC BBM Enable ON Reverse Battery LED will light and ...15211. Disconnect the test setup.1527.10 BATTERY CHARGER SECTION1521. Connect Battery Backup Module as shown in Figure 7-25.1522. Set the active load to 0A and set Vs2 to 40V at 3A.1523. Adjust R140 so the voltage at the active load reads 27.55V DC ±0.1V.1524. Increase the active load current to 1.8A and verify voltage at the load is greater than 26V.1525. Set the active load current to zero, shut off Vs2 and disconnect the BBM. Glyptol R140.152Figure 7-25 BATTERY CHARGER TEST SETUP153Figure 7-26 SWITCH (RNT) BACKPLANE WIREHARNESS154Figure 7-27 SWITCH (RNT) PUNCH BLOCK155Figure 7-28 MAC ALIGNMENT POINTS156Figure 7-29 MAIN PROCESSOR CARD ALIGNMENT POINTS157Figure 7-30 INTERFACE ALARM CARD ALIGNMENT POINTS158Figure 7-31 CIM ALIGNMENT POINTS158SECTION 8 SERVICING1598.1 INTRODUCTION1598.1.1 PERIODIC CHECKS1598.1.2 SURFACE-MOUNTED COMPONENTS1598.1.3 SCHEMATIC DIAGRAMS AND COMPONENT LAYOUTS1598.1.4 REPLACEMENT PARTS LIST1598.1.5 TCXO MODULES NOT SERVICEABLE1598.2 SYNTHESIZER SERVICING1598.2.1 INTRODUCTION1598.2.2 TCXO MODULE1608.2.3 VOLTAGE CONTROLLED OSCILLATOR (VCO)160Figure 8-1 LOCK DETECT WAVEFORM160Figure 8-2 MODULUS CONTROL WAVEFORM1608.2.4 INTERNAL PRESCALER1608.2.5 CALCULATING "N " AND "A " COUNTER DIVIDE NUMBERS1618.3 RECEIVER SERVICING1618.4 TRANSMITTER SERVICING1618.5 POWER SUPPLY SERVICING161Figure 8-3 POWER SUPPLY REAR VIEW162Figure 8-4 POWER SUPPLY FRONT VIEW1628.5.1 VOLTAGE CHECKS1638.6 CHIP COMPONENT IDENTIFICATION1638.6.1 CERAMIC CHIP CAPS (510-36xx-xxx)1638.6.2 TANTALUM CHIP CAPS (510-26xx-xxx)1638.6.3 CHIP INDUCTORS (542-9000-xxx)1638.6.4 CHIP RESISTORS163Figure 8-5 3-DIGIT RESISTOR164Table 8-1 CHIP INDUCTOR IDENTIFICATION164Table 8-2 CERAMIC CHIP CAP IDENTIFICATION1648.6.5 CHIP TRANSISTORS AND DIODES1648.7 BERYLLIUM PRODUCT WARNING1658.8 GRAFOIL REPLACEMENT PROCEDURE165SECTION 9 PARTS LIST167SECTION 10 SCHEMATICS AND COMPONENT LAYOUTS207Figure 10-1 RF MODULE INTERFACE CONNECTOR208Figure 10-2 BACKPLANE CABLE CONNECTIONS208Figure 10-3 REPEATER CABINET EXPLODED VIEW209Figure 10-4 REPEATER REAR VIEW209Figure 10-5 REPEATER FRONT VIEW209Figure 10-6 OCXO DRAWER209Figure 10-7 OCXO DRAWER FRONT/REAR PANEL209Figure 10-8 INPUT/OUTPUT ALARM INTERCONNECT210Figure 10-9 RF INTERCONNECT210Figure 10-10 BACKPLANE INTERCONNECT211Figure 10-11 RF INTERFACE BOARD COMPONENT LAYOUT212Figure 10-12 RF INTERFACE BOARD SCHEMATIC213Figure 10-13 RECEIVER BOARD COMPONENT LAYOUT214Figure 10-14 RECEIVE VCO COMPONENT LAYOUT215Figure 10-15 RECEIVE VCO SCHEMATIC216Figure 10-16 RECEIVER SCHEMATIC217Figure 10-17 EXCITER BOARD COMPONENT LAYOUT218Figure 10-18 TRANSMIT VCO COMPONENT LAYOUT219Figure 10-19 TRANSMIT VCO SCHEMATIC220Figure 10-20 EXCITER SCHEMATIC221Figure 10-21 75W POWER AMPLIFIER COMPONENT LAYOUT222Figure 10-22 75W POWER AMPLIFIER SCHEMATIC223Figure 10-23 160W POWER AMPLIFIER COMPONENT LAYOUT224Figure 10-24 160W POWER AMPLIFIER SCHEMATIC225Figure 10-25 FORWARD/REVERSE POWER BOARD COMPONENT LAYOUT226Figure 10-26 FORWARD/REVERSE POWER BOARD SCHEMATIC227Figure 10-27 OCXO COMPONENT LAYOUT228Figure 10-28 OCXO SCHEMATIC229Figure 10-29 OCXO POWER SUPPLY COMPONENT LAYOUT230Figure 10-30 OCXO POWER SUPPLY SCHEMATIC231Figure 10-31 MAIN PROCESSOR CARD COMPONENT LAYOUT232Figure 10-32 MAIN PROCESSOR CARD SCHEMATIC (1 OF 2)233Figure 10-33 MAIN PROCESSOR CARD SCHEMATIC (2 OF 2)234Figure 10-34 MAIN AUDIO CARD COMPONENT LAYOUT (OPPOSITE COMPONENT SIDE)235Figure 10-35 MAIN AUDIO CARD COMPONENT LAYOUT (COMPONENT SIDE)236Figure 10-36 MAIN AUDIO CARD SCHEMATIC (1 OF 3)237Figure 10-37 MAIN AUDIO CARD SCHEMATIC (2 OF 3)238Figure 10-38 MAIN AUDIO CARD SCHEMATIC (3 OF 3)239Figure 10-39 INTERFACE ALARM CARD COMPONENT LAYOUT240Figure 10-40 INTERFACE ALARM CARD SCHEMATIC241Figure 10-41 BACKPLANE COMPONENT LAYOUT (CARD SIDE)242Figure 10-42 BACKPLANE COMPONENT LAYOUT (CABLE SIDE)243Figure 10-43 BACKPLANE SCHEMATIC244Figure 10-44 800W POWER SUPPLY COMPONENT LAYOUT (OPPOSITE COMPONENT SIDE)245Figure 10-45 800W POWER SUPPLY COMPONENT LAYOUT (COMPONENT SIDE)246Figure 10-46 POWER SUPPLY SCHEMATIC (1 OF 2)247Figure 10-47 POWER SUPPLY SCHEMATIC (2 OF 2)248Figure 10-48 POWER SUPPLY FILTER BOARD COMPONENT LAYOUT249Figure 10-49 POWER SUPPLY FILTER BOARD SCHEMATIC249Figure 10-50 BATTERY BACK-UP COMPONENT LAYOUT250Figure 10-51 BATTERY BACK-UP SCHEMATIC251Figure 10-52 POWER SUPPLY FILTER BOARD COMPONENT LAYOUT252Figure 10-53 POWER SUPPLY FILTER BOARD SCHEMATIC252Figure 10-54 POWER CABLE CONNECTOR AND SCHEMATIC253Figure 10-55 COMPANDOR SCHEMATIC254Figure 10-56 COMPANDOR COMPONENT LAYOUT254APPENDIX A 900 MHz CHANNEL FREQUENCY CHART255サイズ: 13.2MBページ数: 260Language: Englishマニュアルを開く