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VS1 Transmitter

Troubleshooting Manual

Document:NHB-VS1-TRB

Issue:

10.0 2018-10-29

Status:

Standard

Содержание VS1

Страница 1: ...VS1 Transmitter Troubleshooting Manual Document NHB VS1 TRB Issue 10 0 2018 10 29 Status Standard...

Страница 2: ......

Страница 3: ...Fax 1 207 947 3693 Customer Service 24 hour support 1 877 628 8353 Canada USA only 1 902 823 5100 International Email support nautel com Web www nautel com The comparisons and other information provi...

Страница 4: ......

Страница 5: ...mode with SWR Foldback 1 30 Replacing a suspect PWB power supply or fan 1 31 PA PWB replacement 1 33 Pre amp IPA PWB replacement 1 36 Power Supply Module Replacement 1 39 48 V Power Supply Replacement...

Страница 6: ...ormation 4 1 Wire colours 4 1 Printed wiring board patterns 4 1 Reading Electrical Schematics 5 1 Component values 5 1 Graphic symbols 5 1 Logic symbols 5 1 Reference designations 5 1 Unique symbols 5...

Страница 7: ...1 Troubleshooting Manual Issue 10 0 2018 10 29 Page vii Release control record Issue Date Reason 10 0 2018 10 29 Hardware Release 10 NARF65I and NARF65I 01 Supports software version VS SW 5 2 and high...

Страница 8: ...VS1 Troubleshooting Manual Page viii Issue 10 0 2018 10 29...

Страница 9: ...recting defects or deficiencies that arise during transmitter operation Local and or remote alarm signals are generated when a malfunction occurs If an alarm condition is caused by a malfunction in th...

Страница 10: ...alarm on page 1 4 to determine the remedial action for a given fault The power amplifier stage contains an integral modular reserve IMR feature This feature permits the transmitter to operate at a re...

Страница 11: ...s Test equipment Testing and maintenance equipment including soldering and unsoldering tools should be suitable i e grounded tip for contact with static sensitive semiconductor devices Stress current...

Страница 12: ...atus of the transmitter Exciter Power Amplifier Output Network and Power Supply see Figure 1 1 The LEDs can glow green amber or red Typically green indicates normal operation amber indicates a warning...

Страница 13: ...e Main Menu Reset Alarms screen If the alarm persists it will not clear from the display 3 Locate the alarm name in Table 1 1 on page 1 9 to determine the cause of the alarm and perform any recommende...

Страница 14: ...rms that can be configured for remote monitoring through the front panel UI s Main Menu User Settings Remote I O Remote Outputs screen see the Operating the Transmitter section of the Operations Maint...

Страница 15: ...s sub system apply to the exciter Figure 1 3 Transmitter Status Page 1 If an alarm exists the Status button at the bottom of the AUI display will be red Click the Status button to go to the Transmitte...

Страница 16: ...Capture Meters and Capture Alarms which copies meter readings and active alarms into a spreadsheet for future reference NOTE Table 1 1 on page 1 9 contains a column for most Alarms that can occur sor...

Страница 17: ...age is within the acceptable range the power supply circuitry on the exciter control PWB has failed Replace the exciter control PWB see Exciter Control PWB Replacement on page 1 43 If not check ribbon...

Страница 18: ...fter replacing the PS distribution PWB suspect the exciter control PWB A1 15V Supply Fail 15V Fail PS amber This alarm occurs if the 15 V supply on exciter control PWB A1 is outside of its acceptable...

Страница 19: ...properly seated in A1J11 and A2J3 respectively If there are no visible problems with the ribbon cable contact Nautel for further support 5V Supply Fail 5V Fail PS red This alarm occurs if the 5V B sup...

Страница 20: ...m enabled by the user indicates that the exciter s audio modulation level is below the level specified in the mod loss settings of the active preset see page 2 72 remote AUI or Mod Loss on page 2 93 f...

Страница 21: ...covers to a series of cutback levels depending on the severity of the alarm with each level being a 1 8th reduction in power from the previous cutback level starting from the preset setpoint Inspect t...

Страница 22: ...occurs if the serial communication fails between the controller and the exciter or a problem has occurred with the exciter Check all connections to the exciter and make sure that its controller front...

Страница 23: ...ombiner interface PWB A12 see Combiner Interface PWB Replacement on page 1 47 Forward Power Low Fwd Power Low Output Network amber This alarm occurs if the transmitter s average forward power falls be...

Страница 24: ...if present Typically high reject power is the result of a PA failure or removal If no other alarms are being indicated contact Nautel for further support High Reflected Power Output Network amber Thi...

Страница 25: ...rn off then on the ac power If the alarm persists after 30 minutes replace the exciter control PWB A1 see Exciter Control PWB Replacement on page 1 43 Host Not Responding Exciter amber This alarm indi...

Страница 26: ...ground and also between pad C on pre amp IPA PWB IPA bias and chassis ground If the voltage is less than 1 V at either of these points suspect the exciter control PWB A1 If the voltage is greater than...

Страница 27: ...nection between the 48V power supply and the PS distribution PWB and contact Nautel for further assistance If the measured value is within the acceptable range check ribbon cable W2 for damage and tha...

Страница 28: ...the dc input current for the indicated PA has fallen below a predetermined threshold typically less than 50 of the average PA current of the operational PAs or below 500 mA whichever is lower This ma...

Страница 29: ...s alarm This alarm may show up when turning RF on or off Pilot Unsync Exciter amber This alarm occurs if there is no synchronization between the 10 MHz and 1PPS signals It may indicate that the GPS re...

Страница 30: ...alarm is cleared This alarm is most likely caused by a module fan failure or blockage Allow the module to cool and attempt to reset the alarm Verify the module turns on and its fan is operational If...

Страница 31: ...y a Reject Foldback alarm Check for other associated alarms and follow the associated troubleshooting procedure if present Typically a reject shutback is the result of a sudden PA failure If no other...

Страница 32: ...ues with the antenna network that would cause an impedance change icing for example suspect the combiner interface PWB A12 see Combiner Interface PWB Replacement on page 1 47 SWR Shutback Output Netwo...

Страница 33: ...nding Pilot Unsync Audio Proc O P Fail Low Battery PLL Unlock Audio Shutdown Missing Preset Rebooted Exciter Composite Audio Low Mode Freq Mismatch SCA1 2 Audio Low Digital Audio Low Need Reboot For S...

Страница 34: ...k PLL Unlock 48V Supply Fail Forward Power Shutdown Preamp Fail 5V Supply Fail Insufficient Fans Active SRC 1 2 Unlock PS A AC Fail IPA Fail Reject Shutback PS A Missing IPA Output High Residual PA Vo...

Страница 35: ...Fail 1 2V Fail 48V Fail PS A Fail 15V Fail 5V Fail PS A Missing 15V Fail Reduced Power This summary alarm is triggered if any of the following reduced power related alarms occur Cutback Active High T...

Страница 36: ...are unsuccessful verify that all network settings are correct see Network Setup in the Operations and Maintenance Manual If all network settings are correct and the AUI continues to be inaccessible p...

Страница 37: ...1 4 shows the maximum RF output power that can be expected for a given condition In the event that PAand fan failures occur simultaneously the maximum RF output power is limited to the lowest maximum...

Страница 38: ...the HD PowerBoost Priority field of FM HD presets Table 1 4 shows the approximate maximum forward power expectation for various FM HD injection levels with Efficiency and MER priority Table 1 4 Outpu...

Страница 39: ...rque screwdriver capable of torquing up to 1 2 N m 11 in lbs Required for installing securing hardware for PA PWB FETs and power supply connections Soldering iron and desoldering tool VS1 station spar...

Страница 40: ...ble 1 5 on page 1 32 Table 1 5 Replacement Procedures NOTE If a power amplifier PA failure occurs you must replace the entire power amplifier PWB rather than an individual FET A spare PA PWB NAPA23 03...

Страница 41: ...entation for installation of the new PA PWB If you are removing PA 4 A9 note that one of the securing screws also holds thermistor RT2 in place see Figure MD 2 in section 6 of this manual Temporarily...

Страница 42: ...to 9 inch pounds 1 0 Newton meters 13 Solder the wires removed in Step 3 If necessary refer to Section 4 of this manual for wiring details for A6 through A9 14 Re install the transmitter s bottom cove...

Страница 43: ...and does not require replacement Continue troubleshooting and suspect a problem with an associated PWB If the measurement is not open circuit replace the PA PWB see PA PWB replacement on page 1 33 3 N...

Страница 44: ...Remove the pre amp IPA PWB from the heat sink noting the orientation 6 Clean the heat sink surface with a soft cloth and non abrasive grease remover Do not use any material that may scratch the heat s...

Страница 45: ...0 56 Newton meters of torque has been applied 12 Tighten the four M3 PWB screws Use a torque screwdriver to tighten RT1 s securing screw to 9 inch pounds 1 0 Newton meters 13 Solder the wires removed...

Страница 46: ...Responding to alarms Page 1 38 Issue 10 0 2018 10 29 Figure 1 4 Pre amp IPA PWB mounting hardware FET CLAMPS 211 1215 FLAT WASHER x 2 BELLEVILLE WASHER HAJ59 x 2 see inset for orientation SCREW x 2 BE...

Страница 47: ...g two M3 screws Note the orientation of the bracket for installation of the new power supply module Retain hardware 3 Slide the power supply module toward the front of the transmitter to disengage it...

Страница 48: ...for use with the new power supply Note the orientation of each bracket for installation of the new power supply 4 Disconnect wires 7 8 9 12 and 13 from the 48 V power supply s terminal block noting th...

Страница 49: ...part is Minebea Motor Mfg Co 3115RL 07W B79 E51 6 Install the replacement fan along with the other functional fans on the mounting brackets using retained screws 7 Re install the cooling fan bracket a...

Страница 50: ...VS1 Troubleshooting Manual Responding to alarms Page 1 42 Issue 10 0 2018 10 29 Figure 1 5 Fan Bracket Removal B1 B2 B3 Cooling fan bracket assembly...

Страница 51: ...hillips screws Remove the silver push button connector lock push lever on the XLR connector Locate the HAS78 removal tool from the ancillary kit provided with the transmitter Follow the manufacturer s...

Страница 52: ...VS1 Troubleshooting Manual Responding to alarms Page 1 44 Issue 10 0 2018 10 29 Figure 1 6 Removing the XLR connector s push lever Figure 1 7 Loosening the BNC connector s locking ring...

Страница 53: ...WB If necessary refer to Section 4 of this manual for connector mating details for A1 12 Remove the Interlock jumper if applicable from J2A of the original exciter control PWB and reinstall it on the...

Страница 54: ...1 Retain the cover and screws 5 Use a 5 5 mm nut driver to remove the six M3 nuts split and flat washers that secure the PS distribution PWB to the transmitter Retain hardware 6 Remove the PS distribu...

Страница 55: ...two screws next to the pins of J1 one on either side of J1 Retain hardware 4 Remove the combiner interface PWB from the transmitter by pulling straight up i e disconnecting from edge card connector N...

Страница 56: ...VS1 Troubleshooting Manual Responding to alarms Page 1 48 Issue 10 0 2018 10 29...

Страница 57: ...ed description of the transmitter s key modules and assemblies including Exciter control PWB NAPE87B see page 2 1 PS distribution PWB NAPS41A see page 2 2 Pre amp IPA PWB NAPA28B see page 2 3 Power am...

Страница 58: ...This output is applied to the exciter control PWB for monitoring and protection purposes Power supply module fault monitoring An 8 bit shift register IC U5 accepts the status and alarm signals from t...

Страница 59: ...d to the gate of FET Q1 through a series of micro strip transmission line sections and capacitors C1 and C2 and inductor L1 which provide impedance matching to transform the 50 ohm input to low impeda...

Страница 60: ...B2 and B3 The RF Drive input is applied to cable T1 which is connected as a balun to provide balanced 180 out of phase RF drive signals to the individual gates of dual N channel power MOSFET Q1 Cables...

Страница 61: ...o the assembly containing the part or the full reference designation including the reference designation of all higher assemblies must be known When the nautel nomenclature is known Refer to the famil...

Страница 62: ...required and the Nautel Stock Code part number assigned to each part Component Level This number represents the level of a component in relation to the highest level parts list In this case the highes...

Страница 63: ...part or to request assistance to find a suitable replacement Description column The Description column contains the name and descriptive information for each part The key word is presented first follo...

Страница 64: ...A2 EXCITER CONTROL PWB NAPE87B A1 DISPLAY UW146 U4 SPLITTER PWB NAPH01B A4 COMBINER INTERFACE PWB NAPI136 A12 LOW PASS FILTER PWB NAPF12 A11 PRE AMP IPA PWB NAPA28B A5 POWER AMPLIFIER 1 PWB NAPA23 03A...

Страница 65: ...ontact for Socket DF11 22AWG P09 LA52 02 Ferrite Clip On NiZn 320ohm s 100 MHz W5L1 211 8973 06 01 Packing Supplies VS1 211 8005 08 02 Ancillary Kit VS300 VS1 VS2 5 211 8978 05 02 Installation Kit VS3...

Страница 66: ...5 VP SR Jacket NEWcel GX16 T04 WF17 02 Wire 22 AWG Stranded 1 cond shield Tef T02A T02B WF22 02 Wire 16 AWG 1 Cond Shield T eflon T03A T03B NAPA28B 01 PA PWB Assy Pre Amp IPA A05 CBP18 02 Capacitor E...

Страница 67: ...Cap SMT Ceramic 0 001uF 10 50 V X7R 0603 C008 C033 C122 C125 C127 C152 C158 C159 C161 C162 C175 C176 C180 C182 C183 C185 C188 C189 C193 C194 C198 C199 C200 C203 C205 C206 C222 C223 C224 C225 C228 C22...

Страница 68: ...C587 CCFS33 02 Cap SMT Ceramic 150pF 1 50V C0G 0603 C445 CCFS34 02 Cap SMT Ceramic 220pF 2 50V C0G 0603 C029 C068 CCFS37 02 Cap SMT Ceramic 390pF 2 50V C0G 0603 C529 CCFS38 02 Cap SMT Ceramic 470pF 2...

Страница 69: ...C440 C441 C442 C443 C444 C446 C447 C448 C449 C456 C457 C458 C461 C462 C463 C465 C466 C468 C469 C470 C471 C472 C474 C475 C476 C477 C478 C479 C480 C481 C482 C483 C484 C486 C487 C488 C489 C490 C491 C492...

Страница 70: ...BNC Recept Rt Angle P WB Mt J14 JT100 02 Conn Dual BNC PWB Rt Angle J04 J06 JT121 02 Conn Dual D Sub F M 9 pin Rt Angle PWB J05 JT61 02 Conn BNC Recept 50ohm Insul Rt Angle J07 JT78 02 Connector Dual...

Страница 71: ...2 R173 R174 R175 R176 R180 R181 R183 R184 R187 R188 RAD44 02 Resistor SMT MF 39 2K Ohms 1 1 4W R399 R402 R407 R410 RAD53 02 Resistor SMT MF 49 9ohms 1 1 10W 0603 R170 RAD57 02 Resistor SMT 25 5 ohms 1...

Страница 72: ...28 RFFS34 02 Resistor SMT MF 475ohms 1 1 10W 0603 R001 R007 R012 R013 R029 R031 R033 R034 R035 R040 R059 R105 R106 R107 R108 R114 R127 R209 R221 R237 R239 R361 R363 R371 R375 R380 R382 R388 R430 R451...

Страница 73: ...Kohms 1 1 10W 0603 R383 RFFS60 02 Resistor SMT MF 68 1Kohms 1 1 10W 0603 R056 RFFS62 02 Resistor SMT MF 100Kohms 1 1 10W 0603 R020 R038 R467 RFFS63 02 Resistor SMT MF 121Kohms 1 1 10W 0603 R403 RFFS65...

Страница 74: ...ad USB Power Contro ller SOIC 16 U009 UP93 02 IC SMT Op Amp Audio Dual SO 8 U017 U018 U030 U037 U038 U059 US06 02 IC SMT CMOS PLL 6GHz TSSOP 16 U065 US07 02 IC SMT ADC 1 25MSPS 16bit TQFP 48 U019 US08...

Страница 75: ...P 33 1 5V MSOP U026 UX65 02 IC SMT 3A Sync Buck Converter SO 20 w pwr pad U006 U010 UX83 02 IC SMT 2 5V Reference 0 1 SOT 23 6 U027 U083 UX93Z 02 IC SMT Ethernet Phy 3 3V LQFP 48 U004 XFPS07 02 Crysta...

Страница 76: ...Resistor SMT MF 68 1 Ohms 1 1 4W R09 R17 R22 R26 RAD14 02 Resistor SMT MF 121 Ohms 1 1 4W R04 R07 R12 RAD15 02 Resistor SMT MF 150 Ohms 1 1 4W R05 R08 R20 RAD17 02 Resistor SMT MF 221 Ohms 1 1 4W R06...

Страница 77: ...Switch Amp SOT 23 Q02 QDLS01 02 Diode SMT LED Green 560nm 0603 DS01 DS02 DS03 DS04 QR70 02 Suppressor Transient Voltage SMT 60V Clamp CR01 CR02 CR03 CR04 CR05 CR06 QR71 02 Transistor FET P channel D2...

Страница 78: ...8 Bit Shft Reg Par I P SOIC 16 U05 ULAS02 02 IC SMT Opamp Quad Rail To Rail SOIC 14 U04 U10 ULRS02 02 IC SMT 4 096V Reference 0 1 SOT 23 6 U07 UMAS01 02 IC SMT ADC 10 Bit 11 ch SPI SOIC 20 U09 UT74 0...

Страница 79: ...nual for detailed wiring information for these assemblies if provided Assemblies that have their wiring information shown in tables on their assembly detail drawing s Refer to the Mechanical Drawings...

Страница 80: ...4 2 Issue 10 0 2018 10 29 Table 4 1 Wiring Lists Provided Table Description Table 4 3 Wiring List VS1 Transmitter page 4 3 Table 4 2 Connector Mating Information Provided Table Description Table 4 4...

Страница 81: ...ack 16 A2TB2 2 C1E1 14 White 16 C1E2 A5 E 15 White 16 A2TB1 1 C2E1 16 White 16 C2E2 A6 B 17 White 16 A2TB1 2 C3E1 18 White 16 C3E2 A7 B 19 White 16 A2TB1 3 C4E1 20 White 16 C4E2 A8 B 21 White 16 A2TB1...

Страница 82: ...Coax J4 Center A10 M 36 Conductor 50 Ohm Coax J4 Shield A10 L 36 Shield 50 Ohm Coax A4 A A5 B 24 Link A4 B A5 C 24 Link A4 C A6 A 24 Link A4 D A7 A 24 Link A4 F A7 F 24 Link A4 G A8 F 24 Link A4 J A8...

Страница 83: ...N out P7 A2E1 PS Distribution PWB L1 in P8 A2E2 PS Distribution PWB L2 N in P9 U4H1 Front Display P10 A1J10 Front Display W1P1 A1J15 Interface I O W1P2 A3P1 Interface I O W2P1 A1J12 Power Supply Cont...

Страница 84: ...VS1 Troubleshooting Manual Wiring connector lists Page 4 6 Issue 10 0 2018 10 29...

Страница 85: ...ls used on electrical schematics are in accordance with American National Standard ANSI Y32 2 1975 Graphic Symbols for Electrical and Electronic Diagrams Logic symbols The logic symbols used on electr...

Страница 86: ...active true state of the signal The high suffix indicates the more positive of the two levels used to represent the logic states The low suffix indicates the less positive of the two levels Two types...

Страница 87: ...s 1 When a functional block is assigned a reference designation e g A2A1 refer to the family trees in Section 3 Parts Lists on page 3 1 Follow the family tree branches to the block that contains the d...

Страница 88: ...for that assembly Example NAPA23 03A PA PWB is shown on MD 7 4 Refer to the referenced figure e g MD 7 in Section 6 1 List of Mechanical Drawings on page 6 2 to locate the desired part or assembly No...

Страница 89: ...19 2 J12 15 17 6 14 19 11 4 7 J5A 5 3 2 13 7 4 J8A 2 2 2 J16 28 29 38 2 3 4 17 39 13 22 23 RTS GND TXD N A N A TX D D GND 5V D GND FAN V FAN V N A IPA BIAS PA BIAS 1 N A PA 4 V PA 2 V IPA V U1 GND J4A...

Страница 90: ...2 R 68 1 R17 150pF C19 681 R25 68 1 R22 R24 221 1 1 1 1 1 0 01 C5 C4 0 1 0 01 C3 0 01 C2 0 01 C8 SPLITTER PWB 50 30W R4 50 30W R3 R1 50 30W 50 30W R2 3 RF_IN 4 COM 681 R15 68 1 R9 4 COM 2 3 2 B2P1 K C...

Страница 91: ...13 REF E5 22 J1 4 1 2 2 10 J3 6 J3 MISO ADC 2 J2 3 GND TP17 PA V PA 1 V GND 0 68 C63 48V AC GND PS B TEMP TP10 TP12 40 J1 28 J1 PS A PRESENT TP6 38 J1 RT1 RXE110 RT2 RXE110 0 68 C46 0 68 C47 FAN ENABL...

Страница 92: ...2 0 1 C10 L11 0 0175 H 0 5W R2 27 4 L4 0 043 H L5 0 082 H L7 0 12 H 1000pF C15 12pF C13 12pF C14 10pF C17 47pF C18 C19 63V 0 022 C21 0 1 C24 0 022 C22 L15 0 028 H 0 001 C23 30pF C25 30pF C26 C28 1000p...

Страница 93: ...C17 T1 C9 0 01 C3 10 C5 1 0 C1 10 T2 A T2 B C8 1 0 C11 0 1 C13 470pF C14 0 001 D E F G A PA BIAS B C6 0 01 0 01 C10 C2 27pF R1 15K 1000 C16 75V R2 15K 2W 20 R3 2W R10 20 47 5K R11 2W R9 20 T3 B T3 A...

Страница 94: ...utline detail Dimensional information is included where appropriate When a module or assembly is the subject of its own assembly detail drawing and it is also shown in a higher level assembly the deta...

Страница 95: ...this procedure until the desired part or assembly is found Table 6 1 List of Mechanical Drawings Figure Title MD 1 VS1 Transmitter Front Rear and Top Views MD 2 VS1 Transmitter Bottom and Side Views M...

Страница 96: ...Issue 10 0 2018 10 29 MD 1 Figure MD 1 VS1 Transmitter Front Rear and Top Views TOP VIEW COVER REMOVED EXCITER CONTROL PWB FRONT VIEW PS DISTRIBUTION PWB LPF PWB POWER SUPPLY MODULE REAR VIEW...

Страница 97: ...e MD 2 VS1 Transmitter Bottom and Side Views BOTTOM VIEW COVER REMOVED RIGHT SIDE VIEW COMBINER INTERFACE PWB PA PWBs A6 A9 PRE AMP IPA PWB INTERFACE PWB 48 V POW ER SUPPLY MODULE COMBINER PWB SPLITTE...

Страница 98: ...67 C397 C403 C425 C438 L111 R397 C470 C490 C505 R439 R444 L139 R448 L144 R457 L169 R463 CR7 CR8 R260 R257 R255 R256 C227 C228 C239 C243 L63 C242 C232 C241 R279 R291 R292 L66 C260 C253 C259 C258 C256 C...

Страница 99: ...TP12 TP13 R20 G D Q1 S R18 U6 R31 C46 R58 U13 U11 C83 R62 R60 R54 R57 C74 R56 U10 Q2 R50 RT5 C79 C82 C70 C84 C81 C78 C67 C68 C65 TP24 TP22 C90 DS4 C93 C87 DS1 C9 E3 RT2 C23 RT1 C15 F1 C49 R42 TP15TP1...

Страница 100: ...ter PWB C2 C4 C8 C10 C11 C12 C13 C14 C16 C18 L4 C20 C22 C6 C3 C5 C7 C9 1 J2 RT3 R4 C15 C17 1 J3 1 C21 L1 L2 R3 L3 RT1 RT2 1 J1 C1 C19 R2 R1 B C E F H I K 1 2 3 4 A M2110140 V1 D G J 5 U S J4 T Q U D E...

Страница 101: ...16 C18 C20 R3 R1 C14 F C28 L2 C1 C15 C23 C C3 C5 C2 L 1 C7 C8 L 8 C9 C12 C10 C11 L5 L6 L7 L11 L12 R2 E D C17 C19 L16 C25 L14 C21 C22 C24 B A C13 Q1 L 1 0 L15 C26 L3 C27 C29 L13 L17 L 9 L4 Q2 B C E 1 2...

Страница 102: ...Issue 10 0 2018 10 29 MD 7 Figure MD 7 NAPA23 03A PA PWB C16 R13 R12 C5 C8...

Страница 103: ...02A Combiner PWB R5 R11 R8 R9 R2 R17 R18 R12 R10 R3 R1 R4 F1 R13 R16 R15 R14 R6 R7 B C E F H I 1 2 3 4 6 7 8 9 10 A M2110059 V1 D G J 5 G B J F E A L Z BB R20 Y T EE FF U H C Q N S L1 X K AA CC V NAPH...

Страница 104: ...Issue 10 0 2018 10 29 MD 9 Figure MD 9 NAPF12 RF Low Pass Filter PWB C8 C7 M2110062 V1 L1 C1 C2 C4 L4 L6 C6 B SER L2 C3 L3 C5 L5 A NAPF12 LOW PASS FILTER...

Страница 105: ...5 R23 R11 R8 R9 R25 C13 R2 C15 U3 R7 R6 C19 C12 C9 R12 C17 TP4 R24 R21 R26 R18 R17 TP2 TP3 C1 R4 R14 R13 C4 C6 C11 R5 U1 R15 TP1 C14 C18 L1 R20 R1 U2 R3 R16 1 R22 1 2 3 4 6 7 8 9 M2110061 V1 5 IPA FWD...

Страница 106: ...utput power caused by the occurrence of multiple shutbacks within a pre defined period Cycling ac power Turning off disabling then turning on enabling the ac power source DHCP Dynamic Host Carrier Pro...

Страница 107: ...or shutback events SPI Serial Peripheral Interface A synchronous serial data link standard that operates in full duplex mode Devices communicate in master slave mode where the master device initiates...

Страница 108: ......

Страница 109: ...NAUTEL 662 8835 Canada USA only or Phone 1 902 823 3900 or Fax 1 902 823 3183 Nautel Inc 201 Target Industrial Circle Bangor Maine USA 04401 Phone 1 207 947 8200 Fax 1 207 947 3693 Customer Service 24...

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