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Nautel ND2000A-02x-xx0 Series, Technical Instructions

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Nautel ND2000A-02x-xx0 Series Technical Instructions Download Page 8

500 WATT RADIOBEACON TRANSMITTER 

ND2000A-02x-xx0 

 

 

Safety (Page 4) 

15 October 2004 

 

TOXIC HAZARD WARNING 

 
There are devices used in this equipment containing 

BERYLLIUM OXIDE

 ceramic, which is non-hazardous 

during normal device operation and under normal device failure conditions.  These devices are specifically 
identified in the equipment manual’s parts list(s). 
 

DO NOT

 cut, crush or grind devices because the resulting dust may be 

HAZARDOUS IF INHALED

.  

Unserviceable devices should be disposed of as harmful waste.

 

 

Summary of Contents for ND2000A-02x-xx0 Series

Page 1: ...Hackett s Cove NS Canada B3Z 3J4 Phone 207 947 8200 Phone 902 823 3900 Fax 207 947 3693 Fax 902 823 3183 ISO 9002 REGISTERED ISO 9001 REGISTERED Copyright 2005 NAUTEL All rights reserved TECHNICAL IN...

Page 2: ...ontents 4 0 15 October 2004 Contents 5 0 15 October 2004 Contents 6 0 15 October 2004 Contents 7 0 15 October 2004 Contents 8 0 15 October 2004 Contents 9 0 15 October 2004 Contents 10 1 15 January 20...

Page 3: ...er 2004 5 27 1 15 January 2005 5 28 1 15 January 2005 5 29 0 15 October 2004 5 30 0 15 October 2004 5 31 1 15 January 2005 5 32 Blank 6 1 0 15 October 2004 6 2 0 15 October 2004 6 3 0 15 October 2004...

Page 4: ...04 SD 6 0 15 October 2004 SD 7 0 15 October 2004 SD 8 0 15 October 2004 SD 9 0 15 October 2004 SD 10 0 15 October 2004 SD 11 0 15 October 2004 SD 12 0 15 October 2004 SD 13 0 15 October 2004 SD 14 0 1...

Page 5: ...e 4 g PINCH CASUALTY S NOSE AND EXHALE TWO SLOW BREATHS INTO CASUALTY Figure 5 h REMOVE YOUR MOUTH and check for breathing Figure 6 i CONTINUE GIVING ONE BREATH EVERY FIVE SECONDS without interruption...

Page 6: ...ean and do not handle affected areas more than necessary 7 Do not apply salves grease etc to burns 8 Do not remove burned clothing which adheres to the skin or break blisters 9 Cover the burn with a d...

Page 7: ...ued until the patient is breathing on his own or until medical aid arrives Survival rates can be quite high if cardio pulmonary resuscitation is started within 3 to 4 minutes of the injury being recei...

Page 8: ...BERYLLIUM OXIDE ceramic which is non hazardous during normal device operation and under normal device failure conditions These devices are specifically identified in the equipment manual s parts list...

Page 9: ...shipping costs incurred in returning the part assembly to the Customer 5 Warranty replacement parts and repair which are provided under items 2 or 3 shall be guaranteed for a period of ninety days fro...

Page 10: ...up to thirteen months from shipment repair and exchange of modules is at no charge to the customer When the warranty has expired a charge of 80 of the list price for all exchanged modules is made If...

Page 11: ...Battery Alarm Lamp 2 2 2 3 4 2 RF Current Alarm Lamp 2 2 2 3 4 3 SWR Alarm Lamp 2 2 2 3 4 4 Standby Alarm Lamp 2 2 2 3 4 5 Shutdown Alarm Lamp 2 2 2 3 5 SELECT MAIN TX SWITCHING 2 2 2 3 6 SWITCHED ME...

Page 12: ...B A10 2 12 2 9 1 TEST SWITCH CONTROL 2 12 2 9 2 RELAY SWITCHING 2 12 2 9 2 1 Remote On Off Relay 2 12 2 9 2 2 A B Main Select 2 13 2 9 2 3 Shutdown Relay 2 13 2 9 2 4 Standby Relay 2 13 2 9 3 MONITOR...

Page 13: ...B Controls 3 2 3 4 2 4 Remote Off Control 3 2 3 4 2 5 A B Main Select Control 3 2 3 4 2 6 Press To Talk Control 3 3 3 4 3 EXTERNAL STATUS MONITORING 3 3 3 4 3 1 External Forward Power Monitoring 3 3...

Page 14: ...OUTPUT INTERFACE CONNECTIONS 3 12 3 10 3 RF OUTPUT CABLE CONNECTION 3 12 3 10 4 LIGHTNING SAFETY GROUND CONNECTION 3 12 3 10 5 AC AND DC POWER CONNECTION 3 12 3 11 FIRST STAGE INITIAL START UP 3 13 3...

Page 15: ...ATION DEPTH MCW CHECK 5 6 5 3 10 B VOLTAGE MCW CHECK 5 7 5 3 11 AUDIO LIMITER BALANCE CHECK 5 7 5 3 12 MODULATION DEPTH A3E MODE CHECK 5 8 5 3 13 IDENTIFICATION CODE CHECK 5 9 5 3 14 STANDBY 1 AND STA...

Page 16: ...ERENCE DESIGNATIONS 6 1 6 3 WIRING INFORMATION 6 1 6 3 1 TRANSMITTER CABINET WIRING 6 1 6 3 2 CONTROL MONITOR PANEL WIRING 6 1 6 3 3 MODULATOR POWER AMPLIFIER MODULE WIRING 6 1 6 3 4 EXCITER MODULE WI...

Page 17: ...1 INTRODUCTION 8 1 8 2 WIRING LISTS NOT PROVIDED 8 1 8 3 PRINTED WIRING PATTERNS 8 1 8 4 WIRE COLORS 8 1 8 5 WIRING LISTS PROVIDED 8 1 9 ELECTRICAL SCHEMATICS 9 1 INTRODUCTION 9 1 9 2 COMPONENT VALUES...

Page 18: ...02 Modulator Driver PWB Sheet 2 of 2 SD 8 SD 9 Electrical Schematic NAPE64A RF Oscillator Optional DGPS Input PWB SD 9 SD 10 Electrical Schematic NAS25B 03 04 Power Supply Module NAPC26C 02 Control P...

Page 19: ...NAF46C 02 Harmonic Filter Rear View MD 31 MD 32 Assembly Detail NAFP23 02 RF Current Probe MD 32 MD 33 Assembly Detail NAFP24A 02 Forward Reflected Power Probe MD 33 MD 34 Assembly Detail NAPC120 02 M...

Page 20: ...1 04 B VDC to 24 VDC Converter 7 30 7 16 Ref Des Index NAPC32A 01 and NAPC32A 02 AC Supply Monitor PWB 7 31 7 17 Ref Des Index NAF46C 02 Harmonic Filter 7 32 7 18 Ref Des Index NAFP23 02 RF Current Pr...

Page 21: ...con transmitter is packaged in a single cabinet that weighs approximately 400 pounds 182 kilograms Refer to figure MD 38 for dimensional information The RF output coaxial cable connects to a connector...

Page 22: ...modules A4 A5 Power supply modules A7 A8 are located at the bottom of the transmitter cabinet All electrical connections to plug in modules are made to connectors on the rear sections of the associat...

Page 23: ...500 WATT RADIOBEACON TRANSMITTER ND2000A 02x xx0 Page 1 3 15 January 2005 Figure 1 1 ND2000A Radiobeacon Transmitter...

Page 24: ...Minimum to 500 Watts Maximum Peak Envelope Power Maximum of 2000 Watts Keyed Tone Frequency 400 or 1020 Hz 5 Modulation Level 0 to 95 Adjustable Harmonics Not exceeding 80 dBs Relative to Carrier whe...

Page 25: ...2 Voice Press to Talk Control 3 Remote Standby Code Control 4 600 Ohm Balanced Audio Input 5 Standby Test 6 Battery Reset External Alarms Status Outputs 1 Changeover Alarm 2 Shutdown Alarm 3 SWR Alar...

Page 26: ...5 Nautel s ND family of radiobeacon transmitters are identified by a multi part identifier This identifier is stamped on the transmitter s nameplate and identifies a specific configuration of radiobea...

Page 27: ...nt of DC current consumption by power amplifiers during calibration Oscilloscope Any good quality oscilloscope with a calibrated time base Monitor waveforms during testing and trouble shooting procedu...

Page 28: ...125 milliseconds long Character Letter or number in the beacon identification signal Element Smallest divisible part of a character May be either a dot or a dash Frame Selected fixed interval of time...

Page 29: ...itor also contains alarm lamps which turn on when the following conditions exists overmodulation high SWR standby status and shutdown status A battery alarm when turned on indicates the transmitter s...

Page 30: ...ALARM lamp The alarm lamp will turn on The STANDBY ALARM lamp shall normally be turned on prior to the SHUTDOWN ALARM lamp turning on 2 3 5 SELECT MAIN TX SWITCHING The SELECT MAIN TX switch selects w...

Page 31: ...tage logic 0 regardless of the state of transistor A1A1Q2 this ensures the voltage across the gate source junction of MOSFET A1Q1 does not exceed 13 0 V Transistors A1A1Q2 Q3 act as switches between a...

Page 32: ...ns a keyer A1 which provides the modulating audio a modulator driver A2 which produces a 70 kHz variable pulse width mod drive output containing the carrier level and modulation information an RF freq...

Page 33: ...ower saving feature software will shut off the alphanumeric displays after the keyer has output 255 bits To turn the display back on any of the four push button switches can be pressed 2 2 3 2 Each EE...

Page 34: ...ses direct digital synthesis DDS to generate the assigned carrier frequency within the radio beacon broadcast band 190 kHz to 535 kHz The output of a digital synthesizer integrated circuit with intern...

Page 35: ...ppropriate gate of U4 0 1 no audio 2 keyed tone and voice 3 keyed tone only The level of the keyed tone audio is adjusted by the setting of TONE LEVEL potentiometer R19 determines the keyed tone level...

Page 36: ...er amplifier applies this voltage to the base of Q6 The sawtooth waveform from U9A is applied to the base of Q5 Refer to figure 2 1 for a simplified schematic of the differential amplifier 2 5 9 9 For...

Page 37: ...on U10A 6 will inhibit the mod drive The output of U10C 4 will be low and applied to the RF drive alarm lamp on the exciter s front panel The RF drive alarm lamp will turn on After approximately five...

Page 38: ...A1R12 s wiper from the voltage divider formed by A1R11 R12 R13 A1R12 is adjusted for a DC voltage that will maintain A1U2C s output DC reference voltage at a level that will result in a B VDC output o...

Page 39: ...nsistor A3Q3 and their associated components Under normal operating conditions ac power source the breakdown threshold of zener diode A3CR3 will be exceeded transistors A3Q1 A3Q4 and MOSFET A3Q3 will...

Page 40: ...itch is made by choosing the waveform which displays the greater modulation depth 2 8 2 4 The use of an inefficient antenna produces a bandpass filter effect which reduces the modulation depth of the...

Page 41: ...nal use TP13 provides a convenient location to measure the 15 V dc 2 9 4 MONITOR 15 VOLTS DC CIRCUIT The B voltage is applied across resistor R74 and zener diode CR16 The two components provide 15 VDC...

Page 42: ...ned off This will cause a change over to the standby exciter STANDBY ALARM lamp shall turn on or a shutdown SHUTDOWN ALARM lamp shall turn on if the standby exciter was providing the RF drive 2 9 7 CH...

Page 43: ...high It actually detects that a threshold has been reached where the RF current on the troughs of the modulated envelope reduces to near zero This in turn protects the transmitter from excessive peak...

Page 44: ...ctor J5 2 for internal use The REFL PWR CAL potentiometer provides adjustment during calibration for the reflected power indication being provided by TEST meter M1 on control monitor panel A1 The refl...

Page 45: ...y contains sensing circuits which automatically switch the external power source from ac to dc battery if the ac voltage falls below the required limits or if both the main side and standby side power...

Page 46: ...2 10 1 1 1 Recharging of the dc power source battery will not result in the transmitter automatically turning on 2 10 1 1 2 BATTERY RESET switch S1 must be momentarily closed ground for a nominal thr...

Page 47: ...htning induced voltage transients Refer to the Recommendations for Transmitter Site Preparation booklet 3 3 2 ANTENNA SYSTEM The antenna system must present a 50 ohm unbalanced load to the transmitter...

Page 48: ...re 3 2 3 4 The external input audio and control and output status and alarm monitoring circuits must comply with the following 3 4 1 EXTERNAL AUDIO SOURCE An external audio source must be provided The...

Page 49: ...s carrier power and 95 modulation 8 2 10 volts dc will be applied to TB4 16 3 4 3 4 Audio Monitor A transformer coupled 600 ohm audio output is provided between TB3 22 and TB3 23 for external monitori...

Page 50: ...e contents Crates should be inspected for transit damage prior to shipment acceptance and or uncrating 3 5 1 TRANSMITTER CABINET CRATE The transmitter is packed partially disassembled in a wooden crat...

Page 51: ...ncillary parts kit contents is included in its packing list USER ASSIGNED INFORMATION 3 7 The final configuration of each transmitter is determined by the user s requirements and applications The foll...

Page 52: ...times assigned carrier frequency see table 3 1 with an initial frequency tolerance of 10 parts per million at 25 C and a frequency stability of 2 parts per million over an operating temperature range...

Page 53: ...ltaneously b Select the keyer type as indicated by the alphanumeric displays noting the options are ICAO or TRAN If TRAN is selected proceed to step e otherwise continue to step c ICAO International C...

Page 54: ...red that a keyer fault inhibit the keyed tone install shorting jumper E4 in the ENBL position shorting pins 1 and 2 If it is desired to continue producing the keyed tone output when a keyer fault occu...

Page 55: ...e on capacitor selector plates A9E1 A9E2 taps on inductors A9L1 through A9L4 and the harmonic filter s cover is securely fastened when the requirements of paragraph 3 9 5 have been completed Failure t...

Page 56: ...e Interconnect the taps of parallel inductors L3 and L4 as identified in step c f Position series capacitor selector plate E1 over capacitors C1 C2 C3 and C4 so it places in circuit the number of capa...

Page 57: ...er modules A2 A3 as follows a Verify the pre installation requirements of paragraph 3 9 have been completed b Locate modulator power amplifier module tray openings on the front of the transmitter cabi...

Page 58: ...or to its required length c Remove approximately 0 5 inches of insulation from the end of each conductor Terminate each conductor with an appropriate terminal lug for a 6 screw d Connect the input out...

Page 59: ...to its antenna system interfaced by a suitable antenna tuning arrangement and to adjust the antenna tuning unit in accordance with the instructions in its instruction manual The transmitter is used a...

Page 60: ...ated RF output does not exceed 500 watts When the intended carrier level has been determined set the SELECT MAIN TX switch to B and adjust O P POWER potentiometer A5A2R48 for the intended carrier leve...

Page 61: ...il 95 modulation is attained or the SWR ALARM lamp turns on or until modulation envelope is excessively distorted h Set TONE LEVEL potentiometer to the setting that will provide 95 modulation or the b...

Page 62: ...500 WATT RADIOBEACON TRANSMITTER ND2000A 02X xx0 Page 3 16 15 January 2005 Figure 3 2 External Input Output Interface...

Page 63: ...ors on RF power modules A2 A3 and their associated assemblies Table 4 3 is keyed to the reference designation assigned to the controls indicators and explains their function 4 3 3 EXCITER MODULE CONTR...

Page 64: ...settings tabulated for Operating Setting RESETTING TRANSMITTER 4 6 Transmitters that have been transferred to the standby side or that have shutdown may be reset by momentarily switching the transmitt...

Page 65: ...be cutback reduced and SWR ALARM lamp to turn on when the peak reflected power exceeds a nominal 115 watts If there is no reflected power when an unmodulated carrier CW is applied to the antenna syst...

Page 66: ...flected power probe which is in the output of harmonic filter A9 provide samples that are representative of the RF output current and voltage waveforms When the transmitter s RF output is being applie...

Page 67: ...at the sideband frequency and the antenna current is exceeding the current that would be present if the antenna impedance was 50 ohms A1A1DS5 MD 2 BATTERY ALARM When turned on indicates transmitter s...

Page 68: ...r side B to provide the RF output for the subject transmitter A1S4 MD 2 MONITOR Inhibits changeover circuits when set to BYPASS Allows maintainer to work on a circuit without concern for the parameter...

Page 69: ...ing a modulated B voltage to power amplifier A4 when on A9DS5 MD 4 PA VOLTS 1 Indicates modulator A1 is functioning and is applying a modulated B voltage to power amplifier A2 when on F1 MD 9 7A SLOW...

Page 70: ...n shorting pins 1 and 2 the fault inhibits the keyed tone output A continuous tone will be generated when this occurs When installed in the DSBL position shorting pins 2 and 3 the fault although indic...

Page 71: ...centage present when press to talk input is being applied A2R21 MD 18 VOICE MOD Adjusted to set the amplitude of the voice audio to the level that will provide the desired modulation percentage when a...

Page 72: ...elects the carrier frequency s tenths digit in kHz A3S6 1 2 3 MD IPM Correction Capacitance Not used in NDB transmitters A3S6 4 MD IPM Correction Enable Disable Set to closed disabled for NDB transmit...

Page 73: ...des a local adjustment to reduce the carrier level while maintaining the modulation percentage during testing Normally set fully clockwise S1 MD 13 KEYING Determines status of associated keyer PWB Key...

Page 74: ...Power Ac Line Indicates ac voltage present at power supply modules A7 and A8 A6F1 MD 22 BATTERY Fuses the transmitter s external dc power source battery at 30 amperes A6S1 MD 22 POWER AC LINE Switche...

Page 75: ...merican style split phase at 30 amperes Bypassed when ac power source is European style line neutral S1 MD 23 POWER AC LINE Switches the ac power source being applied to the power transformer within t...

Page 76: ...ovided by current transformer A9A2T3 is the source when CUR is selected Sample provided by voltage transformer A9A2T1 is the source when VOLT is selected A9E1 MD 30 Capacitor Selector Plate Determines...

Page 77: ...signal when the carrier level falls below the desired level usually 3 0 dB Ultimately will cause transmitter shut down if the carrier level does not exceed this minimum threshold level within the time...

Page 78: ...tput of SPEAKER LS1 A10F1 MD 34 Monitor B V Fuses the B voltage to monitor PWB A10 A10S1 MD 34 Side B Test When set to TEST inhibits the RF input to the harmonic filter assembly and enables the user t...

Page 79: ...n discharged batteries are replaced by charged batteries Used only when ac power is not being applied A11A1R7 MD 36 Side A Low Battery Threshold Adjusted during special test to set the Low Battery Thr...

Page 80: ...A10 exciter A4 control monitor panel A1 and battery panel A11 optional F4 MD 29 0 25A Fuses 15 volt dc output from monitor interface panel A10 F5 MD 29 0 25A Fuses 24 V dc output from monitor interfac...

Page 81: ...e 500 watts as the intended carrier level if flight range tests have not been completed The depth of the modulation envelope is referred to as the intended modulation depth in the following The modula...

Page 82: ...e been selected and connected as detailed in paragraph 3 9 4 f Verify harmonic filter A9 s inductor taps and in circuit capacitors have been selected and connected for the assigned carrier frequency a...

Page 83: ...ultimeter indication of precisely 51 0 V dc f Set TEST Volts Current switch to B V SIDE A B g TEST Volts Current meter indication shall be between 50 0 and 52 0 V dc NOTE Adjustment of Meter Cal poten...

Page 84: ...imeter between test point A10TP7 and ground aa Multimeter s indication shall be between 14 25 and 15 75 V dc 5 3 5 CARRIER FREQUENCY CHECK Check the carrier RF drive frequency as follows 5 3 5 1 RF Sy...

Page 85: ...r conductor of A4A4J2 A5A4J2 and ground d Oscilloscope waveform indication shall be similar to the waveform depicted in figure 6 5 with a peak to peak voltage between 48 0 and 52 0 volts e Connect a m...

Page 86: ...ro watts i Set TEST Power Mod switch to FWD PWR j TEST Power Mod meter s forward power indication should be 500 watts k If necessary adjust FWD PWR CAL potentiometer A10R79 until TEST Power Mod meter...

Page 87: ...re 6 14 Modulation envelope shall be 95 or the intended modulation depth and waveform shall be free from clipping and distortion 5 3 10 B VOLTAGE MCW CHECK Check the B voltage with the transmitter s R...

Page 88: ...m Repeat steps j and k 5 3 12 MODULATION DEPTH A3E MODE CHECK Check the modulation depth when voice and tone A3E mode are simultaneously transmitted as follows NOTE The intended modulation depth is de...

Page 89: ...h A4S1 A5S1 to ON f Set SPEAKER switch to ON g Adjust SPEAKER VOLUME potentiometer for a clear audible keyed beacon identification tone h The deciphered coded portion of the identification message sha...

Page 90: ...4S2 A5S2 to ON j Oscilloscope waveform s modulation envelope shall be the intended modulation depth k If necessary adjust TONE LEVEL potentiometer A4A2R19 A5A2R19 until the modulation envelope on the...

Page 91: ...raphs 5 3 15 1 and 5 3 15 2 have been completed and their requirements are being met b Determine the minimum modulation depth normally 4 0 dB when the carrier level fault threshold is 3 0 dB that is a...

Page 92: ...etermined period of time as follows NOTE The changeover delay period once set is applicable to both sides of the transmitter If either side A or B of the transmitter shuts down the pre selected delay...

Page 93: ...6 0 8222 1 7 0 6761 0 5188 5 7 0 2692 0 3273 9 7 0 1072 0 8128 1 8 0 6607 0 5129 5 8 0 2630 0 3236 9 8 0 1047 0 8035 1 9 0 6457 0 5070 5 9 0 2570 0 3199 9 9 0 1023 0 7943 2 0 0 6310 0 5012 6 0 0 2512...

Page 94: ...NDBY ALARM lamp and set MONITOR switch to NORMAL w MONITOR BYPASS lamp A1A1DS8 shall turn off and selected side A or B shall remain on x After the delay determined in step c the selected side main tra...

Page 95: ...itch to ON h Simultaneously monitor dummy load s power indicator and SWR ALARM lamp while slowly adjusting O P POWER potentiometer A4A2R48 A5A2R48 clockwise until SWR ALARM lamp just turns on Disconti...

Page 96: ...able 4 1 b Set RF switch to ON c Set MOD switch A4S2 A5S2 to ON d Verify the RF output is the intended carrier level and it is being modulated by the intended modulation depth e Adjust O P POWER poten...

Page 97: ...RF switch to OFF l Set KEYING switch A4S1 A5S1 to ON m Set MONITOR switch to BYPASS n Set RF switch to ON o MONITOR BYPASS lamp shall turn on STANDBY ALARM lamp and SHUTDOWN ALARM lamp shall turn off...

Page 98: ...9 8 and 10 5 V dc j Set RF switch to OFF k Disconnect dc power supply from A4P4 A5P4 l Install A4P4 A5P4 on A4A4J3 A5A4J3 m Install P6 P8 on A4J1 A5J1 n Install P19 P20 on A4A4J2 A5A4J2 5 3 19 LOW AC...

Page 99: ...ation in parenthesis for modules that are duplicated in sides A and B NOTE SELECT MAIN TX switch must be set to B when instructed to set switches as tabulated for Test Settings in table 4 1 SPECIAL AD...

Page 100: ...P POWER potentiometer A4A2R48 A5A2R48 for the intended carrier level as indicated on TEST Power Mod meter u Adjust TONE LEVEL potentiometer A4A2R19 A5A2R19 for the intended modulation depth as indicat...

Page 101: ...on A9A2J2 p Remove shorting clip from resistor A4A2R44 A5A2R44 q Install connector P13 on A9A2J1 5 4 3 LOW AC VOLTAGE THRESHOLD ADJUSTMENT Adjust the low ac voltage threshold circuit as follows NOTE W...

Page 102: ...W BATTERY VOLTAGE THRESHOLD ADJUSTMENT DC OPTION INSTALLED Verify the low battery voltage threshold is set to the level that will initiate a transmitter shutdown when the battery bank has discharged t...

Page 103: ...d wiring resistance determined in step m as Rw o Calculate the current drain from the battery bank Ibd when its output voltage is at the battery cut off voltage level Vbco by dividing battery power co...

Page 104: ...ergizes l Repeat steps g through k until the requirement of step j is met without further adjustment of Low Battery Threshold potentiometer A11A1R7 A11A1R8 m Repeat steps e through l using reference d...

Page 105: ...tter and verify the indicator indications are normal at initial turn on as follows a Verify the requirements of paragraph 5 5 2 have been completed b Turn on ac power at the service entrance c Set POW...

Page 106: ...justing TONE LEVEL potentiometer A4A2R19 A5A2R19 in an increasing mod depth direction if RF CURRENT ALARM lamp turns on before the desired mod depth is obtained If an attempt is made to increase the m...

Page 107: ...de B ____________ Low Battery Threshold __________VDC Monitor Switch VOLTS or CURR ____________ FUNCTIONAL TEST RESULTS NOTE Functional test adjustment checks are the same for both sides of the transm...

Page 108: ...______ or near ground level 5 3 8 g Forward Power CW Accept Reject Linear increase to 500 watts h RF Current Alarm Lamp Accept Reject Specified lamp off h Reflected Power CW A______Watts B______Watts...

Page 109: ...nd off Within limits c Set Threshold Lamp Accept Reject Lamp turns on and remains on Threshold exceeded 5 3 15 3 k Modulation Fault A______ B______ No less than 1 dB greater Threshold Level than carri...

Page 110: ...m Accept Reject See para 5 3 18 3 i 5 3 18 5 Battery Alarm Accept Reject See para 5 3 19 h 5 3 18 6 h Mod Drive Alarm A______ B______ Specified lamp on j Accept Reject Rectangular waveform with positi...

Page 111: ...500 WATT RADIOBEACON TRANSMITTER ND2000A 02x xx0 Page 5 31 15 January 2005 Table 5 3 Morse Code Characters A M Y B N Z C O 0 D P 1 E Q 2 F R 3 G S 4 H T 5 I U 6 J V 7 K W 8 L X 9...

Page 112: ...E DESIGNATIONS Reference designations have been assigned in accordance with American National Standard ANSI Y32 16 1975 Reference Designations for Electrical and Electronic Parts and Equipments Each e...

Page 113: ...on procedure should be the first step in taking corrective action Figure 6 1 through 6 15 provides waveform indications for use in fault isolation ISOLATION OF DEFECTIVE POWER MOSFETs 6 7 Isolate defe...

Page 114: ...ing tested by momentarily connecting a shorting jumper between its gate and source terminals l Measure drain ground resistance of power MOSFETs Q1 and Q3 in both forward and reverse directions m Resis...

Page 115: ...its gate and source terminals l Measure resistance between power MOSFET Q1 s drain case terminal and ground m Resistance measured in step l shall be an open circuit in one direction and a diode pedest...

Page 116: ...ff MOSFET s being tested by momentarily connecting a shorting jumper between its gate and source terminals l Measure drain ground resistance of power MOSFET Q1 in both forward and reverse directions m...

Page 117: ...l are met power MOSFET Q1 and its associated insulating washer may be assumed to be serviceable n If requirements of steps d and i are not met power MOSFET Q1 may be assumed to be defective If require...

Page 118: ...fy capacitor lead is disconnected from source terminal b Remove nuts securing diodes CR1 and CR2 to power MOSFET mounting hardware and chassis mounted standoffs and then carefully lift off diodes c Lo...

Page 119: ...ircuit for each situation g If the resistance measured in step f is not an open circuit adjust the position of the adapter PWB to obtain an open circuit between all three terminals and ground h For po...

Page 120: ...open circuit for each situation g If the resistance measured in step f is not an open circuit adjust the position of the adapter PWB to obtain an open circuit between all three terminals and ground h...

Page 121: ...pled Fig 6 2 Balanced Drive Output CW c 330 kHz Connector P2 Disconnected RF Oscillator PWB A4A3TP3 dc coupled Fig 6 3 Carrier Oscillator CW osc 2 141 MHz Connector P2 Disconnected RF Synthesizer PWB...

Page 122: ...c 330 kHz Connector P4 Connected RF Drive Amplifier A4A4J2 dc coupled Fig 6 6 Not Used Fig 6 7 Tone Oscillator CW tone 1020 Hz Connector P5 Connected Keyer PWB A4A1TP1 ac coupled Fig 6 8 Audio Keyed...

Page 123: ...5 dc coupled Fig 6 10 Mod Drive PWM Output CW pwm 70 kHz 500 Watts RF Output Modulator Driver PWB A4A2TP6 dc coupled Fig 6 11 Mod Drive Alarm Condition pwm 70 kHz Connector P6 Disconnected Modulator D...

Page 124: ...atus RF Current lamp on 1020 Hz 100 Modulation Monitor PWB A10TP4 dc coupled Fig 6 14 RF Monitor c 330 kHz 500 Watts 95 Modulation Control Monitor Panel A1J1 dc coupled Fig 6 15 RF Monitor c 330 kHz 5...

Page 125: ...in the identified table 7 4 2 WHEN REF DES IS KNOWN Locate the information for a part when the full reference designation is known as follows Enter the family tree depicted in figure 7 1 with the full...

Page 126: ...referred choice A JAN MIL number has been assigned as the manufacturer s part number where practical to assist the user in finding a suitable replacement part The use of this number does not restrict...

Page 127: ...r Division 10400 Ridgeview Crescent Cupertino California 95014 08372 Cutler Hammer Canada Limited 45 Progress Avenue Scarsborough Ontario Canada M1P 2T6 USA Customers Use 55459 09482 AMP of Canada Lim...

Page 128: ...Use 66842 44655 Ohmite Manufacturing Co 3601 West Howard Street Skokie Illinois 60076 46897 Phillips Manufacturing Company 7334 North Clark Street Chicago Illinois 60626 50088 SGS Thomson Micro Elect...

Page 129: ...venue Riverside California 92506 81073 Grayhill Incorporated PO Box 373 561 Hillgrove Avenue La Grange Illinois 60525 81483 International Rectifier 9220 Sunset Boulevard Box 2321 Terminal Annex Los An...

Page 130: ...SAME AS A5 SEE TABLE 7 8 A4 EXCITER MODULE NAE45 02 OR 04 SEE TABLE 7 8 A5 RF DRIVE AMPLIFIER NAA21 02 SEE TABLE 7 12 A5A4 POWER SUPPLY MODULE NAS25 03 OR NAS25 04 SAME AS A8 SEE TABLE 7 13 A7 POWER S...

Page 131: ...pply Module 230 VAC 60Hz NAS25B 03 See Table 7 13 37338 A7 Power Supply Module 230 VAC 50Hz NAS25B 04 See Table 7 13 37338 A8 Power Supply Module 230 VAC 60Hz NAS25B 03 See Table 7 13 37338 A8 Power S...

Page 132: ...A Keyed 12 Pin 22AWG JU26 1 644463 2 09482 P23 Connector MTA Keyed 8 Pin 22AWG JU28 644463 8 09482 R1 Resistor Current Shunt 156 7063 01 156 7063 01 37338 R2 Resistor Variable 200 Ohms 1W RW12 70L201T...

Page 133: ...in 22AWG JU26 1 644463 2 09482 P2 Connector MTA Keyed 12 Pin 22AWG JU26 1 644463 2 09482 P3 Connector MTA Keyed 12 Pin 22AWG JU26 1 644463 2 09482 P4 Connector MTA Keyed 12 Pin 22AWG JU26 1 644463 2 0...

Page 134: ...g Green QK12 HLMP 3554 B 1 50434 DS7 Diode Light Emitting Amber QK14 HLMP 3451 D 1 50434 DS8 Diode Light Emitting Amber QK14 HLMP 3451 F 1 50434 J1 Header MTA 12 Square Posts 0 156 Centre JU21 1 64038...

Page 135: ...RBP15 GS 3 2200 Ohms 75042 A9R5 Resistor Metal Film 2200 Ohms 5 2W RBP15 GS 3 2200 Ohms 75042 A9R6 Resistor Metal Film 10K Ohms 2 1 2W RAP13 RL20S103G 35005 A9R7 Resistor Metal Film 10K Ohms 2 1 2W R...

Page 136: ...6 1022 156 1022 37338 TB1 Terminal Block Barrier 3 Terminal JR40 13003 13150 TB2 Terminal Block Barrier 3 Terminal JR40 13003 13150 TB3 Terminal Block Barrier 3 Terminal JR40 13003 13150 TB4 Terminal...

Page 137: ...hms 2 1 2W RC38 RL20S122G 35005 A1R2 Resistor Metal Film 6800 Ohms 5 2W RBP18 GS 3 6800 Ohms 75042 A1R3 Resistor Metal Film 1000 Ohms 2 1 2W RAP09 RL20S102G 35005 A1R4 Resistor Metal Film 10K Ohms 2 1...

Page 138: ...ast QI10 MUR415 04713 CR2 Diode Power Rectifier 4A Ultra Fast QI10 MUR415 04713 CR3 Diode Power Rectifier 4A Ultra Fast QI10 MUR415 04713 CR4 Diode Power Rectifier 4A Ultra Fast QI10 MUR415 04713 J1 C...

Page 139: ...3 Not Used P4 Connector Tip White JN14 105 0301 001 74970 P5 Connector MTA Keyed 8 Pin 22AWG JU28 644463 8 09482 P6 Connector MTA Keyed 12 Pin 22AWG JU26 1 644463 2 09482 P7 Connector MTA Keyed 8 Pin...

Page 140: ...apacitor PPS 0 1uf 2 200V CCD44 882P104X2200S 01884 C19 Capacitor Tantalum 2 2uF 10 16V CD15 199D225X9016AA1 96095 C20 Capacitor Tantalum 2 2uF 10 16V CD15 199D225X9016AA1 96095 C21 Capacitor Ceramic...

Page 141: ...Film 1K Ohms 1 1 4W RAB25 MF1 4DL1001F 59124 R16 Resistor Metal Film 1K Ohms 1 1 4W RAB25 MF1 4DL1001F 59124 R17 Resistor Metal Film 1K Ohms 1 1 4W RAB25 MF1 4DL1001F 59124 R18 Resistor Metal Film 1K...

Page 142: ...hms 1 1 4W RAB39 MF1 4DL1502F 59124 R57 Resistor Metal Film 1K Ohms 1 1 4W RAB25 MF1 4DL1001F 59124 S1 Switch Push Button MOM 1PST NC SA55 KSLOM211 1KK13 S2 Switch Push Button MOM 1PST NC SA55 KSLOM21...

Page 143: ...19 Capacitor Ceramic 0 1uF 10 100V CCG07 CKR06BX104KL 56289 C20 Capacitor Ceramic 0 1uF 10 100V CCG07 CKR06BX104KL 56289 C21 Capacitor Tantalum 1 0uF 10 50V CCP24 CSR13G105KM 56289 C22 Capacitor Varia...

Page 144: ...L20S333G 35005 R8 Resistor Metal Film 150K Ohms 2 1 2W RD21 RL20S154G 35005 R9 Resistor Metal Film 150K Ohms 2 1 2W RD21 RL20S154G 35005 R10 Resistor Metal Film 150K Ohms 2 1 2W RD21 RL20S154G 35005 R...

Page 145: ...Film 33K Ohms 2 1 2W RAP15 RL20S333G 35005 R53 Resistor Metal Film 22K Ohms 2 1 2W RD11 RL20S223G 35005 R54 Resistor Metal Film 56K Ohms 2 1 2W RAP16 RL20S563G 35005 R55 Resistor Metal Film 47K Ohms...

Page 146: ...cuit 8 Pin UD42 1808AG111D 91506 XU2 Socket Integrated Circuit 8 Pin UD42 1808AG111D 91506 XU3 Socket Integrated Circuit 14 Pin UD41 1814AG111D 91506 XU4 Socket Integrated Circuit 16 Pin UD40 1816AG11...

Page 147: ...citor Ceramic 0 01uF 10 100V CCG04 CKR05BX103KRV C 3 56289 C19 Capacitor Ceramic 0 1uF 10 100V CCG07 CKR06BX104KRV C 2 56289 C20 Capacitor Tantalum 6 8uF 10 35V CCP19 CSR13F685KM D 2 56289 C21 Capacit...

Page 148: ...l Film 10K Ohms 2 1 2W RAP13 RL20S103G C 1 35005 R20 Resistor Metal Film 10K Ohms 2 1 2W RAP13 RL20S103G C 1 35005 R21 Resistor Metal Film 27K Ohms 2 1 2W RD12 RL20S273G E 3 35005 R22 Resistor Metal F...

Page 149: ...PART NO PART NO GRID CODE XU3 Socket Integrated Circuit 14 Pin UD41 1814AG111D 91506 XU4 Socket Integrated Circuit 8 Pin UD42 1808AG111D 91506 XY1 Crystal Socket Teflon PWB Mount BAP39 8000 DG4 91506...

Page 150: ...ose 200V 0 1A QAP29 1N4938 07263 CR2 Diode Zener Transient Supressor 39V QI36 1 5KE39CA 24444 J1 Connector Coaxial BNC 50 Bulkhead JDP26 UG1094 U 02660 J2 Connector Coaxial BNC 50 Bulkhead JDP26 UG109...

Page 151: ...Adc TZ05 195G20 73831 P1 Connector MTA Closed End 8 Pin 22AWG JU06 640433 8 09482 P2 Connector MTA Closed End 4 Pin 22AWG JU01 640433 4 09482 P3 Connector MTA Closed End 4 Pin 22AWG JU01 640433 4 0948...

Page 152: ...er High Voltage QE02 2N3439 04713 Q2 Transistor NPN Power High Voltage QE02 2N3439 04713 R1 Resistor Metal Film 3300 Ohms 2 1 2W RAP11 RL20S332G 35005 R2 Resistor Metal Film 33K Ohms 2 1 2W RAP15 RL20...

Page 153: ...ART NAUTEL S JAN MIL OEM OEM CODE DES AND DESCRIPTION PART NO PART NO CODE U2 IC Operational Amplifiers Quad UC15 MC3403L 04713 XU1 Not Used XU2 Socket Integrated Circuit 14 Pin UD41 1814AG111D 91506...

Page 154: ...W RD15 RL20S473G 35005 A1R8 Resistor Metal Film 6800 Ohms 2 1 2W RD05 RL20S682G 35005 A1R9 Resistor Metal Film 68K Ohms 2 1 2W RD17 RL20S683G 35005 A1R10 Resistor Variable Film 10K Ohms 1 2W RW09 3339...

Page 155: ...04713 Q3 Transistor Field Effect N Channel QE19 MPF6661 04713 Q4 Transistor NPN Switch Amp QA03 2N2222A 04713 R1 Resistor Metal Film 10 Ohms 2 1 2W RAP01 RL20S100G 35005 R2 Resistor Metal Film 5600 O...

Page 156: ...V CB24 CM05ED820G03 14655 C12 Capacitor Mica 82pF 2 500V CB24 CM05ED820G03 14655 C13 Capacitor Mica 82pF 2 500V CB24 CM05ED820G03 14655 C14 Capacitor Mica 82pF 2 500V CB24 CM05ED820G03 14655 C15 Capac...

Page 157: ...0 J2 Connector Coaxial BNC 50 Bulkhead JDP26 UG1094 U 02660 R1 Resistor Metal Film 200 Ohms 1 1 4W RY02 RN60D2000F 35005 R2 Resistor Metal Film 200 Ohms 1 1 4W RY02 RN60D2000F 35005 R3 Resistor Metal...

Page 158: ...1 4W RY02 RN60D2000F 35005 R2 Resistor Metal Film 200 Ohms 1 1 4W RY02 RN60D2000F 35005 R3 Resistor Metal Film 200 Ohms 1 1 4W RY02 RN60D2000F 35005 R4 Resistor Metal Film 200 Ohms 1 1 4W RY02 RN60D2...

Page 159: ...tor Ceramic 0 1uF 10 100V CCG07 CKR06BX104KRV D 4 56289 C20 Capacitor Ceramic 1 0uF 10 50V CCG10 CKR06BX105KRV J 7 56289 C21 Capacitor Ceramic 0 1uF 10 100V CCG07 CKR06BX104KRV G 6 56289 C22 Capacitor...

Page 160: ...1N5929B D 7 14552 CR17 Diode General Purpose 200V 0 1A QAP29 1N4938 F 7 27014 CR18 Diode General Purpose 200V 0 1A QAP29 1N4938 E 6 27014 CR19 Diode General Purpose 200V 0 1A QAP29 1N4938 F 7 27014 C...

Page 161: ...l LA16 82 152 J J 6 33062 L8 Inductor Choke 2 5 Turns J Material LA16 82 152 J K 3 33062 L9 Inductor Choke 2 5 Turns J Material LA16 82 152 J J 3 33062 L10 Inductor Choke 2 5 Turns J Material LA16 82...

Page 162: ...Film 5620 Ohms 1 1 4W RAB34 MF55D5621F E 2 59124 R28 Resistor Metal Film 150K Ohms 1 1 4W RAC03 MF55D1503F H 3 59124 R29 Resistor Metal Film 10K Ohms 1 1 4W RAB37 MF55D1002F I 5 59124 R30 Resistor Me...

Page 163: ...F D 6 59124 R73 Resistor Metal Film 15K Ohms 1 1 4W RAB39 MF55D1502F D 6 59124 R74 Resistor Wirewound 1200 Ohms 5 5W RN19 R5J1K2 G 7 44655 R75 Resistor Metal Film 8250 Ohms 1 1 4W RAB36 MF55D8251F E 7...

Page 164: ...R119 Resistor Metal Film 10K Ohms 1 1 4W RAB37 MF55D1002F J 7 59124 S1 Switch Toggle 2PDT SCP03 8373K107 B 9 08372 S2 Switch Toggle 2PDT SCP03 8373K107 D 9 08372 S3 Switch Toggle 1PST SCP01 8381K108...

Page 165: ...tegrated Circuit 14 Pin UD41 1814AG111D 91506 XU10 Socket Integrated Circuit 8 Pin UD42 1808AG111D 91506 XU11 Socket Integrated Circuit 8 Pin UD42 1808AG111D 91506 USE CODE EXPLANATION Denotes used wh...

Page 166: ...2W RAP10 RL20S182G 35005 A1R7 Resistor Variable Film 500 Ohms 1 2W RW36 3339P 1 501 80294 A1R8 Resistor Variable Film 500 Ohms 1 2W RW36 3339P 1 501 80294 C1 Capacitor Plastic 0 1uF 10 250V CS05 52003...

Page 167: ...RE COLORS 8 4 Every effort is made to manufacture the assemblies using wire that is the color tabulated in the Code column of the wiring list tables In some instances a white wire will be substituted...

Page 168: ...2 P10 3 P5 2 17 White 22 P3 3 R4 1 18 White 14 P3 4 R4 1 19 White 14 P3 5 R4 1 20 White 14 P17 10 P7 1 21 White 22 P3 6 P7 1 22 White 22 P3 7 P21 4 23 White 22 P3 7 P7 2 24 White 22 P11 3 P7 2 25 Whit...

Page 169: ...e P11 9 A9 Ground Bolt 59 Shield P17 9 A9TT 1 60 White 22 P17 11 A9TT 2 61 White 22 P21 1 P13 Centre 62 Conductor 22 1 Conductor P21 2 P13 Body 62 Shield Shielded P22 4 P14 Centre 63 Conductor 22 1 Co...

Page 170: ...nd 100 Black 14 P2 8 P22 8 101 White 22 P2 12 P18 16 102 White 22 P3 8 P22 7 103 White 22 P3 12 P18 15 104 White 22 P1 8 P18 1 105 White 14 P1 9 P18 2 106 White 14 P1 10 P18 3 107 White 14 P18 4 R1 1...

Page 171: ...Off Pnl Ground 204 Black 14 Safety Ground Ground 205 Black 8 Safety Ground Ground 206 Black 8 Safety Ground Ground 207 Black 14 R2 Yellow TT 1 Leads of R2 R2 Red TT 1 Leads of R2 R2 Green R1 4 Leads o...

Page 172: ...e 22 P2 6 S5A 2 19 White 22 P2 7 S5A 5 20 White 22 P2 8 S2 10 21 White 22 P2 9 S2 4 22 White 22 P2 10 S2 12 23 White 22 P2 11 S5B 11 24 White 22 P2 12 S5A 11 25 White 22 P3 1 S1 3 26 White 22 P3 11 S1...

Page 173: ...8 Tinned Copper Wire 24 Sleeved S5A 8 S5A 9 Tinned Copper Wire 24 S5A 6 S5B 6 Tinned Copper Wire 24 Sleeved S5B 2 S5B 5 Tinned Copper Wire 24 Sleeved S5B 5 S5B 7 Tinned Copper Wire 24 Sleeved S5B 7 S5...

Page 174: ...4 J1 7 XF4 Centre 5 White 14 XF1 Side TB1 1 6 White 14 XF2 Side TB3 1 7 White 14 XF3 Side TB5 1 8 White 14 XF4 Side TB7 1 9 White 14 J1 8 TT21 10 Core RG58A U Coaxial Cable J1 9 TT20 Shield J2 Centre...

Page 175: ...T3 2 TB6 2 Leads of T3 T3 4 TB6 2 Leads of T3 T3 5 TT 11 Leads of T3 T3 6 TT 16 Leads of T3 T4 1 TB8 1 Leads of T4 T4 3 TB8 1 Leads of T4 T4 2 TB8 2 Leads of T4 T4 4 TB8 2 Leads of T4 T4 5 TT 16 Leads...

Page 176: ...onductor J2 8 P5 6 Shield Shielded J2 9 P5 2 7 White 22 J2 10 P5 4 8 White 22 J2 11 P7 1 9 White 22 J2 12 P7 2 10 White 22 J2 13 P6 9 11 White 22 J2 14 R5 2 12 White 22 J1 1 P7 6 13 White 22 1 Conduct...

Page 177: ...ck 22 J2 15 Ground Black 18 TT4 U1 2 White 22 Q1 Anode U1 1 White 22 TT4 TT7 White 22 Q1 Gate TT5 Tinned Copper Wire 24 TT1 TT3 Tinned Copper Wire 24 TT5 TT6 Tinned Copper Wire 24 W1J1 12 W1P1 4 White...

Page 178: ...DE SIZE REMARKS P1 1 S1 1 1 Grey 14 P1 2 S1 2 2 Grey 14 P1 3 XF1 Centre 3 White 16 P1 4 XF1 Centre 4 White 16 P1 5 XF1 Centre 5 White 16 P1 6 S1 3 6 Grey 16 P1 7 S1 4 7 Grey 16 P1 11 S1 3 8 Grey 16 P1...

Page 179: ...Ground 12 Black 12 Q1 Gate P1 6 13 White 22 Q2 Gate P1 8 14 White 22 L1 2 J1 3 15 White 14 L1 2 J1 4 16 White 14 L1 2 A2TB1 3 17 White 22 L1 2 TT1 18 White 22 L1 2 P1 3 19 White 22 L1 2 J1 5 20 White...

Page 180: ...8 14 15 October 2004 Table 8 7 Wiring List NAS25B 03 and NAS25B 04 Power Supply Modules Continued SOURCE DESTINATION CODE SIZE REMARKS Denotes final destination taps determined by the AC line voltage...

Page 181: ...White 22 TB1 3 TT 4 White 22 TB1 4 TT 1 White 22 TB1 5 TT 10 White 22 TB1 5 TT 6 White 22 TB1 6 TT 13 White 22 TT 8 TT 11 Tinned Copper Wire 20 Sleeved TT 8 A1 1 Tinned Copper Wire 20 Sleeved TT 8 R3...

Page 182: ...6 TB1 1 White 14 Teflon K2 4 TB1 1 White 14 Teflon TB1 2 P1 Centre Core RG58A U Coaxial Cable Ground Bolt P1 Shell Shield TB1 1 TB1 2 White 12 Teflon L1 1 A1J1 Centre White 12 Teflon L1 2 3 4 5 or 6 L...

Page 183: ...nductor 165 6034 03 TB1 Ground Shield TT1 S1 2 White 22 S1 4 J3 Centre White 22 S1 6 TT 12 White 22 TT13 J1 Centre White 22 TT14 J2 Centre White 22 T1 1 TB1 3 Lead of T1 T1 2 Ground Lead of T1 T1 3 TT...

Page 184: ...3 White 16 K2 A K2 4 4 White 20 K2 4 K3 6 5 White 16 K2 4 K3 6 6 White 16 K2 4 K3 6 7 White 16 K2 4 TT 13 8 White 20 K3 B K3 6 9 White 20 J1 4 K2 6 10 White 16 J1 5 K2 6 11 White 16 J1 6 K2 6 12 Whit...

Page 185: ...e 8 11 Wiring List NAX50B 02 Battery Control Panel Continued SOURCE DESTINATION CODE SIZE REMARKS TT16 XK1 3 38 White 20 TT17 XK1 2 39 White 20 TT15 XK1 5 40 White 20 TT18 XK1 8 41 White 20 XK1 13 S1...

Page 186: ...4 9 2 Blue 20 XF1 Centre TB3 1 3 Blue 20 XF2 Centre TB3 3 4 Blue 20 XF4 Side TB4 12 5 Red 20 XF5 Side TB4 13 6 Orange 20 XF3 Side XF1 Centre Blue 20 XF6 Side XF2 Centre Blue 20 TB3 9 TB3 15 White 22 T...

Page 187: ...BNC P16 BNC A9A1J2 BNC P17 MTA 12 Socket Contacts A10J4 MTA 12 Pin Contacts P18 16 Socket Contacts A11J1 16 Pin Contacts P19 BNC A4A4J2 BNC P20 BNC A5A4J2 BNC P21 MTA 12 Socket Contacts A10J6 MTA 12 P...

Page 188: ...P4 Tip Plug A5A4J3 Tip Jack A5P5 MTA 8 Socket Contacts A5A1J1 MTA 8 Pin Contacts A5P6 MTA 12 Socket Contacts A5A2J1 MTA 12 Pin Contacts A5P7 MTA 8 Socket Contacts A5A2J2 MTA 8 Pin Contacts A5P8 MTA 8...

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