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RADIOBEACON TRANSMITTER

ND500II (125 WATTS) DOUBLE SIDEBAND - NO VOICE

Page 7-20

01 November 2003

Table 7-8 Reference Designation Index - NAPC22G Monitor PWB

USE

REF

NAME OF PART

NAUTEL'S

JAN/MIL/OEM

OEM

CODE

DES

AND DESCRIPTION

PART NO.

CODE

Monitor PWB

NAPC22G

158-1015-10

37338

Capacitor, Tantalum, 6.8uF 10% 35V

CCP19

CSR13F685KM

56289

Capacitor, Ceramic, 0.1uF 10% 100V

CCG07

CKR06BX104KLV

56289

Capacitor, Ceramic, 0.022uF 10% 100V

CCG05

CKR06BX223KLV

56289

Capacitor, Ceramic, 0.1uF 10% 100V

CCG07

CKR06BX104KLV

56289

Capacitor, Tantalum, 1.0uF 10% 50V

CCP24

CSR13G105KM

56289

Capacitor, Ceramic, 0.47uF 10% 50V

CCG09

CKR06BX474KLV

56289

Capacitor, Tantalum, 1.0uF 10% 50V

CCP24

CSR13G105KM

56289

Capacitor, Ceramic, 0.1uF 10% 100V

CCG07

CKR06BX104KLV

56289

Capacitor, Tantalum, 6.8uF 10% 35V

CCP19

CSR13F685KM

56289

C10

Capacitor, Tantalum, 22uF 10% 35V

CCP20

CSR13F226KM

56289

C11

Capacitor, Tantalum, 1.0uF 10% 50V

CCP24

CSR13G105KM

56289

C12

Capacitor, Ceramic, 0.1uF 10% 100V

CCG07

CKR06BX104KLV

56289

C13

Capacitor, Ceramic, 0.1uF 10% 100V

CCG07

CKR06BX104KLV

56289

C14

Capacitor, Mica, Dipped, 330pF 2% 500V

CB31

CM05FD331G03

14655

C15

Not Used

C16

Capacitor, Mica, Dipped, 100pF 2% 500V

CB37

CM06FD102G03

14655

C17

Capacitor, Ceramic, 0.001uF 10% 200V

CCG01

CKR05BX102KLV

56289

C18

Capacitor, Ceramic, 0.47uF 10% 50V

CCG09

CKR06BX474KLV

56289

C19

Capacitor, Mica, Dipped, 1000pF 2% 500V

CB37

CM06FD102G03

14655

C20

Capacitor, Tantalum, 6.8uF 10% 35V

CCP19

CSR13F685KM

56289

C21

Capacitor, Ceramic, 0.1uF 10% 100V

CCG07

CKR06BX104KLV

56289

C22

Capacitor, Tantalum, 1.0uF 10% 50V

CCP24

CSR13G105KM

56289

C23

Capacitor, Tantalum, 1.0uF 10% 50V

CCP24

CSR13G105KM

56289

C24

Capacitor, Tantalum, 1.0uF 10% 50V

CCP24

CSR13G105KM

56289

C25

Capacitor, Mica, Dipped, 1000pF 2% 500V

CB37

CM06FD102G03

14655

C26

Capacitor, Ceramic, 0.1uF 10% 100V

CCG07

CKR06BX104KLV

56289

C27

Capacitor, Ceramic, 0.1uF 10% 100V

CCG07

CKR06BX104KLV

56289

C28

Capacitor, Tantalum, 1.0uF 10% 50V

CCP24

CSR13G105KM

56289

C29

Capacitor, Ceramic, 0.1uF 10% 100V

CCG07

CKR06BX104KLV

56289

C30

Capacitor, Ceramic, 0.47uF 10% 50V

CCG09

CKR06BX474KLV

56289

C31

Capacitor, Ceramic, 0.47uF 10% 50V

CCG09

CKR06BX474KLV

56289

C32

Capacitor, Ceramic, 0.01uF 10% 100V

CCG04

CKR05BX103KLV

56289

C33

Capacitor, Tantalum, 1.0uF 10% 50V

CCP24

CSR13G105KM

56289

CR1

Diode, General Purpose, 200V, 0.1A

QAP29

1N4938

27014

CR2

Diode, General Purpose, 200V, 0.1A

QAP29

1N4938

27014

CR3

Diode, Zener, 15V, 1.5W, 5%

QK34

1N5929B

14552

CR4

Diode, General Purpose, 200V, 0.1A

QAP29

1N4938

27014

CR5

Diode, General Purpose, 200V, 0.1A

QAP29

1N4938

27014

CR6

Diode, General Purpose, 200V, 0.1A

QAP29

1N4938

27014

CR7

Diode, General Purpose, 200V, 0.1A

QAP29

1N4938

27014

CR8

Diode, Hot Carrier

QK09

1N5711

50434

CR9

Diode, General Purpose, 200V, 0.1A

QAP29

1N4938

27014

CR10

Diode, Zener, 56V, 1W 5%

QM23

1N4758

04713

CR11

Diode, General Purpose, 200V, 0.1A

QAP29

1N4938

27014

Содержание ND500II

Страница 1: ...8200 Phone 902 823 3900 Fax 207 947 3693 Fax 902 823 3183 ISO 9002 REGISTERED ISO 9001 REGISTERED Copyright 2003 NAUTEL All rights reserved TECHNICAL INSTRUCTIONS ND500II 125 WATT RADIOBEACON TRANSMIT...

Страница 2: ......

Страница 3: ...September 2003 Contents 5 0 15 September 2003 Contents 6 0 15 September 2003 Contents 7 1 01 November 2003 Contents 8 1 01 November 2003 1 1 0 15 September 2003 1 2 0 15 September 2003 1 3 0 15 Septem...

Страница 4: ...er 2003 7 13 1 01 November 2003 7 14 0 15 September 2003 7 15 0 15 September 2003 7 16 0 15 September 2003 7 17 0 15 September 2003 7 18 0 15 September 2003 7 19 0 15 September 2003 7 20 0 15 Septembe...

Страница 5: ...S Continued CHANGE CHANGE PAGE DATE PAGE DATE MD 9 0 15 September 2003 MD 10 0 15 September 2003 MD 11 0 15 September 2003 MD 12 0 15 September 2003 MD 13A 0 15 September 2003 MD 13B 1 01 November 200...

Страница 6: ......

Страница 7: ...way Figure 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 int...

Страница 8: ...nds are clean 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 bur...

Страница 9: ...be continued 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 be...

Страница 10: ...ontaining 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 p...

Страница 11: ...rt of the 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 ninet...

Страница 12: ...period 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 m...

Страница 13: ...Inhibit 2 3 2 2 2 OSCILLATOR RF DRIVE PWB A2 2 3 2 2 2 1 Balance RF Drive 2 3 2 2 3 KEYER PWB A3 2 3 2 2 4 MODULATOR DRIVER PWB A4 2 4 2 2 4 1 Mod Enable Switch 2 5 2 2 4 2 15V to 15V Converter 2 5 2...

Страница 14: ...ETY GROUND 3 1 3 3 2 ANTENNA SYSTEM 3 1 3 3 3 ELECTRICAL POWER 3 1 3 3 3 1 AC Power Requirements 3 1 3 3 3 2 DC Power Requirements 3 1 3 3 4 ELECTRICAL POWER CABLING 3 1 3 3 5 RF OUTPUT CABLE 3 1 3 3...

Страница 15: ...DC POWER CONNECTION 3 8 3 9 7 FINAL PRE STARTUP INSPECTION 3 8 3 10 INITIAL START UP PROCEDURES 3 8 3 11 FIRST STAGE INITIAL START UP 3 9 3 12 SECOND STAGE INITIAL START UP 3 9 3 13 THIRD STAGE INITIA...

Страница 16: ...3 8 2 Low Carrier Level Fault Threshold Calibration 5 9 5 3 8 3 High Carrier Level Fault Threshold Calibration 5 10 5 3 8 4 Modulation Depth Fault Threshold Calibration 5 10 5 3 8 5 Loss of Keying Sh...

Страница 17: ...TS LIST 7 1 INTRODUCTION 7 1 7 2 FAMILY TREE 7 1 7 3 MANUFACTURER S INDEX 7 1 7 4 HOW TO LOCATE INFORMATION FOR A SPECIFIC PART 7 1 7 4 1 WHEN NAUTEL CONFIGURATION CONTROL NUMBER IS KNOWN 7 1 7 4 2 WH...

Страница 18: ...ESIGNATIONS 9 1 9 6 IDENTIFICATION OF SCHEMATIC DIAGRAMS 9 1 9 7 STRUCTURE OF SCHEMATICS 9 1 9 8 LOCATING THE SCHEMATIC DIAGRAM S FOR A FUNCTIONAL BLOCK 9 2 9 8 1 WHEN FIGURE NUMBER IDENTIFIED 9 2 9 8...

Страница 19: ...atic NAPS23A 24 48 VDC Power Supply PWB SD 10 MD 1 Assembly Detail ND500II 125W Radiobeacon Transmitter Front MD 1 MD 2 Assembly Detail ND500II Radiobeacon Transmitter Rear of Front Panel MD 2 MD 3 As...

Страница 20: ...diobeacon Transmitter 7 7 7 3 Reference Designation Index NAS26 Power Supply 7 10 7 4 Reference Designation Index NAPC34 Low Voltage Supply On Off PWB 7 11 7 5 Reference Designation Index NAPE33 Oscil...

Страница 21: ...en commanded from an external source Provision is made for local or remote operation of the transmitter as well as antenna fine tuning through controls on the transmitter s front panel Emission is con...

Страница 22: ...vember 2003 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 o...

Страница 23: ...res MD 1 through MD 17 The transmitter cabinet is a fabricated metal chassis with an attached full depth front panel The inner portion of the cabinet contains NAS26 Power Supply A1 NAPE33 01 RF Driver...

Страница 24: ...cross dummy load during calibration procedures DC Ammeter 50 amperes measurement capability Precise measurement of DC current consumption by power amplifiers during calibration Oscilloscope Any good q...

Страница 25: ...number of characters used An 8 bit frame is nominally 125 milliseconds long Character Letter or number in the beacon identification signal Element Smallest divisible part of a character May be either...

Страница 26: ......

Страница 27: ...POWER fuse F2 through connector A1J1 1 2 to the primary taps of transformer A1T1 The secondary windings of transformer A1T1 provide tap selection to compensate for a low or high AC power source Tap s...

Страница 28: ...1R8 A1A1R9 is passed through connector A1A1J1 10 battery status connector A1J1 15 and applied to the battery alarm lamp on the front panel The lamp will turn on 2 2 1 5 AC Monitoring The AC monitoring...

Страница 29: ...their associated components A 15V square wave at the assigned carrier frequency is applied to the primary of transformer T1 through resistor R18 The secondary of transformer T1 contains two identical...

Страница 30: ...lls below 4 6V The reset pin is held high until the voltage increases above 4 6V or for a minimum of 350ms whichever period of time is longer 2 2 3 5 The watchdog circuit consists of capacitors C19 C2...

Страница 31: ...mp Integrator The PWM ramp integrator circuit consists of operational amplifier U7A and associated components The 15 volt square wave from the PWM square wave generator is applied to the inverting inp...

Страница 32: ...er through the increase decrease of the remote power trim voltage 15V maximum The keyed tone audio B voltage and power trim inputs are applied to analog divider U3 The output of U3 is passed to the in...

Страница 33: ...nput of U9B from the junction of resistors R39 R40 The output of U9B will be low impedance to ground resulting in the output of U8D being 15V A mod drive alarm signal will not be applied to J2 6 If th...

Страница 34: ...he transmitter s front panel when these parameters are not met or a status condition of the transmitter is to be known Potentiometers provide adjustments for establishing the carrier modulation thresh...

Страница 35: ...esistor R90 across capacitor C33 and passed to inverting input of U3B 6 Capacitor C33 filters out the modulation component of the RF carrier and charges to the mean DC level which is representative of...

Страница 36: ...nal to the carrier level with a superimposed AC voltage proportional to the modulating level is applied through RF current sample input J2 1 and passed to a detector circuit consisting of diode CR8 an...

Страница 37: ...ter will not shutdown when a high SWR condition is present 2 2 6 11 Battery Control The battery control circuit is comprised of buffer amplifier U6A transistor Q10 and associated components When the s...

Страница 38: ...system A sample of the RF input current is applied through transformer T1 s secondary resistors R1 R2 and through RF current sample terminals TB5 1 and TB5 2 for use within the overmodulation circuitr...

Страница 39: ...pply voltage to the transmitter when a 24V battery is acting as the power source This assembly is not required when a 48V backup battery is used A 24V supply is applied to the drain of switching FETs...

Страница 40: ......

Страница 41: ...GENERATOR GATE KEYING OSCILLATOR TIMING OSCILLATOR RF DRIVER TONE KEYED SELECTOR TONE OSCILLATOR KEYER MODULATOR DRIVER MODE SELECTOR EMISSION MODE GENERATOR RF DRIVE AMPLIFIER INTERNAL STANDBY CODE P...

Страница 42: ......

Страница 43: ...to 125 VAC for 115 VAC power sources or from 190 to 250 volts RMS for 230 volt AC power sources provided the mean voltage does not vary by more than ten percent The AC power source must be rated at a...

Страница 44: ...ansistor should not exceed 50 milliamperes The following provides additional information for each output 3 3 8 1 Shutdown Alarm A remote shutdown alarm output is available at TB1 17 or J4 17 of remote...

Страница 45: ...nuous tone the no tone interval between the last character and the continuous tone may be increased a similar amount 3 6 5 MEAN LEVEL OF AC POWER SOURCE Determine the mean RMS voltage level of the AC...

Страница 46: ...olts AC or in series when the AC power source is 230 volts AC as follows NOTE Wire 1 from A1J1 1 is always connected to A1T1 4 and wire 2 from A1J1 2 is always connected to A1T1 1 a When the mean RMS...

Страница 47: ...16 second frames Standby code 1 inserts a space between predetermined letters when it is held low When standby 2 is grounded a blip is inserted before the first letter is keyed TRAN Transport Canada u...

Страница 48: ...ep a using appropriate metal links or jumper wires c Connect A7TB2 6 to terminals of terminal block A7TB2 identified in step a using appropriate metal links or jumper wires d Connect A7TB3 6 to termin...

Страница 49: ...nd 4 A7TB3 1 2 and 4 A7TB4 3 878 to 968 A7TB1 2 A7TB2 1 and 4 A7TB3 1 and 4 A7TB4 3 969 to 1069 A7TB1 2 A7TB2 3 A7TB3 3 A7TB4 3 1070 to 1200 A7TB1 2 A7TB2 2 A7TB3 2 A7TB4 3 1201 to 1250 A7TB1 2 A7TB2...

Страница 50: ...r metal surface of the chassis or cabinet 3 9 5 AC POWER CONNECTION Connect the AC power as follows a Switch off transmitter AC power source at service entrance b Obtain the AC power cable from the an...

Страница 51: ...low this procedure may result in a catastrophic failure when the transmitter s RF output is connected to its antenna system SECOND STAGE INITIAL START UP 3 12 The second state of initial start up is t...

Страница 52: ...tuning unit is calibrated by personnel at antenna tuning unit site in accordance with instructions in the ATU instruction manual k On completion of antenna tuning unit calibration set TEST switch S6 t...

Страница 53: ...TTERY STATUS circuits connect circuit VDC to TB1 24 J4 13 If an external DC power supply is used as voltage source for external SHUTDOWN ALARM SWR ALARM and BATTERY STATUS circuits connect DC return t...

Страница 54: ...e setting of RF MON switch A7S1 When RF MON switch A7S1 is set to CUR a sample of the RF output current waveform is provided When RF MON switch A7S1 is set to VOLT a sample of the RF output voltage wa...

Страница 55: ...location of its controls Table 4 4 is keyed to the reference designation assigned each control and explains their function 4 3 4 MONITOR PWB CONTROLS AND INDICATORS Figure MD 3 depicts the location of...

Страница 56: ...locally by using POWER switch S3 or remotely by using external on off control MODULATION DEPTH WHEN USING A HIGH Q ANTENNA 4 7 When the transmitter s output is connected to a high Q antenna system the...

Страница 57: ...he antenna system will appear to be more or less than 50 ohms When the transmitter is connected to a high Q antenna system the difference between the carrier impedance and the sideband impedance may c...

Страница 58: ...nvelope as sensed by an RF current probe at the harmonic filter s input are exceeding the pre set overmod threshold when on Normally turns on when the antenna impedance is less than 50 ohms at the sid...

Страница 59: ...Provides meter indication of parameter selected by TEST switch S6 FWD PWR REFL PWR MOD MOD REF DC CURRENT B VOLTS 24 VOLTS and 15 VOLTS R1 MD 1 VOLUME Adjusts loudness of speaker output R2 MD 1 SET MO...

Страница 60: ...1 MONITOR Inhibits shutdown circuit and prevents undesired shutdown during calibration test procedures when set to BYPASS Shutdown circuit acts normally when set to NORMAL S6 MD 1 TEST Selects parame...

Страница 61: ...osition 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...

Страница 62: ...sted for the keyed tone audio level that will provide the desired modulation depth R26 MD 9 RAMP ADJ Adjusted for the reference voltage that will position the negative going peaks of PWM ramp integrat...

Страница 63: ...WR Alarm Output Transient Protection Shunt post that adds removes a transient protection zener diode to the remote SWR alarm output It is installed depending on the type of remote control being used w...

Страница 64: ...imum desired modulation percentage When the modulation troughs of the peak detected RF current sample fall below this threshold the OVERMOD ALARM lamp will turn on R69 MD 10 SWR THRESH Adjusted for an...

Страница 65: ...Series Inductor Taps Provides connection points for the tapped inductor in the series L C circuit of the harmonic filter Refer to paragraph 3 8 6 for interconnecting information TB2 MD 12 Series Capac...

Страница 66: ...ers R41 MD 3 IPM BAL Not used in NDB transmitters S1 MD 3 X 1000 Rotary 10 position BCD switch that selects the carrier frequency s thousands digit either 0 or 1 in kHz S2 MD 3 X 100 Rotary 10 positio...

Страница 67: ...PANEL MARKING REF FIG NOMENCLATURE FUNCTION DES NO USED IN TEXT DS1 MD 15 15V When turned on green indicates an external 24 VDC battery source is being applied and 15V is being applied to the PWB s co...

Страница 68: ...EXT E1 MD 6 Low AC Inhibit Shunt post that is installed depending on the power source s being applied to the transmitter Installed in AC position shorting pins 1 and 2 when AC only power source is use...

Страница 69: ...REF FIG NOMENCLATURE FUNCTION DES NO USED IN TEXT E1 MD 16 Rmt Pwr Trim Shunt post that is enable or disables the ability to remotely control the power trim circuitry Installed in DSBL position short...

Страница 70: ......

Страница 71: ...s the intended modulation depth in the following procedures Unless otherwise specified the modulation should be set to the intended modulation depth in the following procedures If an intended modulati...

Страница 72: ...on requirements for the RF synthesizer PWB A9 have been completed as mentioned in paragraph 3 8 4 and detailed in the RF synthesizer PWB s service instruction manual b Verify the pre installation requ...

Страница 73: ...6 0 and 62 0 VDC c Set TEST switch S6 to B VOLTS d TEST meter M1 s indication shall be within five percent of digital voltmeter reading obtained in step b e Record difference between TEST meter M1 rea...

Страница 74: ...and ground f Digital voltmeter indication shall be near 0 0V 5 3 3 CARRIER FREQUENCY RF DRIVE LEVEL AND ALARM CHECKS Verify the frequency of the frequency synthesizer is the assigned carrier frequenc...

Страница 75: ...mod drive alarm circuit is functioning as follows a Verify the requirements of paragraph 5 3 2 have been completed paying particular attention to the requirements of paragraph 5 3 2 2 b Adjust RAMP AD...

Страница 76: ...y O P PWR potentiometer A4R31 is set fully counter clockwise c If used set remote power trim potentiometer to setting that will provide maximum carrier level applies 15V to A11TB1 23 d Set all switche...

Страница 77: ...the modulation depth is 100 percent i Modulation depth shall linearly increase from near zero percent to 100 percent as MOD potentiometer A4R2 is adjusted from its fully counter clockwise setting j Os...

Страница 78: ...MOD switch S4 to ON f Set KEYING switch S5 to ON g Adjust VOLUME potentiometer R1 for an audible keyed beacon identification tone h The deciphered coded portion of the identification message shall be...

Страница 79: ...The intended carrier level is the RF carrier output required to provide the desired range for a specific installation It must not exceed 125 watts or be less than 25 watts If an intended carrier level...

Страница 80: ...lected threshold level should be inserted where 2 0dB is referenced A higher power rated dummy load minimum 400 watts is required to perform this calibration a Verify requirements of paragraph 5 3 8 1...

Страница 81: ...es if one or more CW and or MCW frames are included in the keyer frame sequencing a Verify requirements of paragraphs 5 3 8 1 through 5 3 8 4 have been completed b Determine the time required to monit...

Страница 82: ...und f Set TEST switch S6 to REFL PWR g Set POWER switch S3 to ON h Reflected power indication on TEST meter M1 s upper scale should be zero watts and SWR ALARM lamp DS6 shall be off i Digital multimet...

Страница 83: ...el c Set OVERMOD CAL potentiometer A5R56 fully clockwise Set MOD switch S2 to ON d Connect an oscilloscope using a suitable coaxial cable to RF MON connector J1 e Adjust MOD potentiometer A4R2 clockwi...

Страница 84: ...minal five second delay TEST meter M1 s forward power indication shall return to normal 5 3 11 3 Remote Power Trim The remote power trim was checked in paragraph 5 3 5 5 3 11 4 Standby 1 and Standby 2...

Страница 85: ...indication should not be required unless a circuit component is damaged and or replaced If a repair has been affected or the meter reading is suspect the following procedure will restore the Amps ind...

Страница 86: ...frequency NOTE Reference is made to intended carrier level This level is normally established by a flight check during initial installation The intended carrier level must not exceed 125 watts under a...

Страница 87: ...PWR f Reflected power indication on TEST meter M1 shall be near zero watts g SWR ALARM lamp DS6 shall be off 5 5 5 MODULATION DEPTH MCW TONE ONLY ADJUSTMENT Set the modulation percentage to the inten...

Страница 88: ...LE SIDEBAND NO VOICE Page 5 18 15 September 2003 5 5 6 POST OPERATIONAL ADJUSTMENT PROCEDURES When the operational adjustment procedures have been successfully completed set all switches to the settin...

Страница 89: ...1 9 6 0 1096 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...

Страница 90: ...ing recorded as Established Reference 5 3 2 4 b 24 VOLTS ______VDC Between 22 0 and 26 0V 5 3 2 5 b 15 VOLTS ______VDC Between 14 0 and 16 0V 5 3 2 6 b 12 VOLTS ______VDC Between 11 0 and 13 0V 5 3 2...

Страница 91: ...nd 1050Hz y Speaker volume Accept Reject Audible level 5 3 7 1 h Identification code Accept Reject Assigned ident j Code frame duration ______Seconds Between 7 2 and 8 8 seconds 5 3 7 2 i Standby code...

Страница 92: ......

Страница 93: ...aphic Symbols for Electrical and Electronic Diagrams 6 2 3 LOGIC SYMBOLS The logic symbols used on electrical schematics and logic diagrams are in accordance with American National Standard ANSI Y32 1...

Страница 94: ...peat steps b through d NOTE Power MOSFET Q1 must be removed from the circuit to disconnect its source terminal Do not disconnect it unless it is defective f Turn on the power MOSFET to be tested by mo...

Страница 95: ...is NOTE It is recommended a new 6 Belleville washer be used when a power MOSFET is replaced g Install the power MOSFET s attaching hardware using the mounting detail depicted in figure MD 12 as a guid...

Страница 96: ...E Page 6 4 15 September 2003 A CARRIER OSCILLATOR FREQUENCY Test Point A9R28 RHS CW Connector P11 connected frequency 2240 kHz B BALANCED DRIVE OUTPUT Test Point A9TP7 CW Connector P11 connected frequ...

Страница 97: ...OICE Page 6 5 15 September 2003 C RF DRIVE OUTPUT Test Point A2TP4 Connector P11 connected frequency 535 kHz B 62 volts D RF DRIVE OUTPUT Test Point A2TP4 Connector P11 connected frequency 1800 kHz B...

Страница 98: ...00II 125 WATTS DOUBLE SIDEBAND NO VOICE Page 6 6 15 September 2003 E KEYER TIMING OSCILLATOR CW Test Point A3TP1 F TONE OSCILLATOR Test Point A3TP2 CW Connector P3 connected Figure 6 1 Waveforms Off A...

Страница 99: ...D500II 125 WATTS DOUBLE SIDEBAND NO VOICE Page 6 7 15 September 2003 G AUDIO KEYED TONE MCW Test Point A4TP1 95 Modulation H PWM RAMP INTEGRATOR OUTPUT CW Test Point A4TP3 Figure 6 1 Waveforms Off Air...

Страница 100: ...125 WATTS DOUBLE SIDEBAND NO VOICE Page 6 8 15 September 2003 I MOD DRIVE PWM OUTPUT CW 125 Watts Test Point A4TP4 J FWD POWER SAMPLE Test Point A5TP1 125 Watts MCW 95 Modulation Figure 6 1 Waveforms...

Страница 101: ...IDEBAND NO VOICE Page 6 9 15 September 2003 K KEYING GATE FWD POWER SAMPLE Test Point A5TP2 125 Watts 95 Modulation M RF MONITOR J1 Front Panel 125 Watts 95 Modulation RF MON switch to set to VOLT Fig...

Страница 102: ...ON TRANSMITTER ND500II 125 WATTS DOUBLE SIDEBAND NO VOICE Page 6 10 15 September 2003 N RF MONITOR J1 Front Panel CW 125 Watts RF MON switch to set to VOLT Figure 6 1 Waveforms Off Air Troubleshooting...

Страница 103: ...efer to the table of contents list of tables for this manual and identify which table is the reference designation index for that assembly Locate the part s reference designation in the identified tab...

Страница 104: ...ber for assemblies that are under configuration control management or Nautel s inventory management number for purchased parts 7 6 5 JAN MIL OEM PART NO COLUMN This column contains an original equipme...

Страница 105: ...da L3R 1E1 USA customers use 00779 09675 Raytheon Canada Limited 400 Phillips Street PO Box 1619 Waterloo Ontario Canada N2J 4K6 13150 Vernitron Electronic Components Beau Products Division PO Box 10...

Страница 106: ...Carolina 28704 70903 Belden Corporation 2000 South Batavia Avenue Geneva Illinois 60134 71400 Bussman Manufacturing Division McGraw Edison Company 502 Earth City Plaza Earth City Missouri 63045 72982...

Страница 107: ...12305 91506 Augat Incorporated PO Box 779 633 Perry Avenue Attleboro Massachusetts 02703 91637 Dale Electronics Incorporated PO Box 609 2064 12th Avenue Columbus New England 68601 91637 Dale Electron...

Страница 108: ...RADIOBEACON TRANSMITTER ND500II 125 WATTS DOUBLE SIDEBAND NO VOICE Page 7 6 01 November 2003 Figure 7 1 Family Tree ND500II Radiobeacon Transmitter...

Страница 109: ...7 Harmonic Filter Assembly NAF107 02 See Table 7 10 37338 2 A7 Harmonic Filter Assembly NAF107 03 See Table 7 10 37338 2 A7 Harmonic Filter Assembly NAF107 04 See Table 7 10 37338 A8 Meter Calibration...

Страница 110: ...in 22 AWG JU26 1 644463 2 00779 P15 MTA Closed End Keyed 4 Pin 22 AWG JU27 644463 4 00779 P16 Connector Plug D Sub 25 pin HDP 20 JR39 205208 1 09482 P17 Connector 3 Socket Contacts 158 1099 158 1099 3...

Страница 111: ...planation to determine which is required for a specific installation USE CODE EXPLANATION Denotes used when installed in as a stand alone transmitter or when installed in as the standby transmitter of...

Страница 112: ...30A KC01 W389DZCX 3 94696 L1 Inductor Choke 30mH 5ADC TZ12 195P5 73831 P1 MTA Closed End Keyed 12 Pin 22 AWG JU26 1 644463 2 09482 Q1 Transistor Field Effect N Channel Plastic QR52 IRF540N 81483 Q2 Tr...

Страница 113: ...esistor Metal Film 3320 Ohms 1 1 4W RAB31 MF55D3321F 59124 R3 Resistor Metal Film 10K Ohms 2 1 2W RAP13 RL20S103G 35005 R4 Resistor Metal Film 10K Ohms 2 1 2W RAP13 RL20S103G 35005 R5 Resistor Metal F...

Страница 114: ...38 27014 CR3 Diode General Purpose 200V 0 1A QAP29 1N4938 27014 J1 MTA Header 8 Square Posts 0 156 Centre JU08 640383 8 09482 L1 Not Used 37338 1 L2 Inductor Moulded Shielded 1000uH LAP39 IMS 5 1000uH...

Страница 115: ...0 Ohms 75042 R18 Resistor Film 15 Ohms 5 2W RBP02 GS 3 15 Ohms 75042 T1 Transformer 147 1056 147 1056 37338 1 U1 IC CMOS Counter Binary 12 Bit UB13 MC14040BCP 04713 1 XU1 Socket IC 16 Pin UD40 1816AG1...

Страница 116: ...1G03 14655 C18 Capacitor 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 Ca...

Страница 117: ...5 Resistor Metal 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 Resist...

Страница 118: ...etal Film 15 0K Ohms 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 1PS...

Страница 119: ...1 0uF 10 50V CCP24 CSR13G105KM 56289 C19 Capacitor Tantalum 1 0uF 10 50V CCP24 CSR13G105KM 56289 C20 Capacitor Tantalum 6 8uF 10 35V CCP19 CSR13F685KM 56289 C21 Capacitor Ceramic 0 022uF 10 100V CCG0...

Страница 120: ...RL20S184G 35005 R15 Resistor Comp 3 3M Ohms 5 1 2W RF37 RC20GF335J 01121 R16 Resistor Metal Film 82K Ohms 2 1 2W RD18 RL20S823G 35005 R17 Resistor Metal Film 27K Ohms 2 1 2W RD12 RL20S273G 35005 R18...

Страница 121: ...og Switch UB10 MC14066BCP 04713 U2 IC CMOS Hex Inverter Buffer UL41 MC14049UBCP 04713 U3 IC Analog Multiplier UC41 RM4200AD 09675 U4 IC CMOS Programmable Timer UL42 MC14536BCP 04713 U5 IC Operational...

Страница 122: ...CKR06BX474KLV 56289 C19 Capacitor Mica Dipped 1000pF 2 500V CB37 CM06FD102G03 14655 C20 Capacitor Tantalum 6 8uF 10 35V CCP19 CSR13F685KM 56289 C21 Capacitor Ceramic 0 1uF 10 100V CCG07 CKR06BX104KLV...

Страница 123: ...30A 04713 Q5 Transistor NPN High Gain Low Noise QA31 2N930A 04713 Q6 Transistor NPN High Gain Low Noise QA31 2N930A 04713 Q7 Transistor NPN Switch Amplifier QA03 2N2222A 04713 Q8 Transistor NPN High V...

Страница 124: ...hms 1 1 4W RAB43 MF1 4DL3322F 59124 R39 Resistor Film 1200 Ohms 2 1 2W RC38 MF1 2LL122G 35005 R40 Resistor Metal Film 3 32K Ohms 1 1 4W RAB31 MF1 4DL3321F 59124 R41 Resistor Variable Film 10KOhms 1 2W...

Страница 125: ...1 1 4W RAB36 MF1 4DL8251F 59124 R83 Resistor Film 1200 Ohms 2 1 2W RC38 MF1 2LL122G 35005 R84 Resistor Metal Film 10 0K Ohms 1 1 4W RAB37 MF1 4DL1002F 59124 R85 Resistor Metal Film 33 2K Ohms 1 1 4W R...

Страница 126: ...7 Socket IC 16 pin UC03 2 641262 1 00779 XU8 Socket IC 8 pin UC01 2 641260 1 00779 XU9 Socket IC 8 pin UC01 2 641260 1 00779 NOTE Partial reference designation shown Prefix with A5 composite Reference...

Страница 127: ...3 CR4 Diode Power Rectifier 4A Ultra Fast QI10 MUR415 04713 CR5 Diode Power Rectifier 4A Ultra Fast QI10 MUR415 04713 CR6 Diode Power Rectifier 4A Ultra Fast QI10 MUR415 04713 J1 Connector Coaxial BNC...

Страница 128: ...7 CM05FD102G03 14655 A2 Terminal Board Assembly 158 1178 158 1178 37338 A2C1 Capacitor Mica Dipped 4300pF 2 500V CB03 CM06FD432G03 14655 A2C2 Capacitor Mica Dipped 4300pF 2 500V CB03 CM06FD432G03 1465...

Страница 129: ...Transformer RF Voltage 158 1021 158 1021 37338 T3 Transformer RF Current 158 1023 158 1023 37338 T4 Transformer RF Current 158 1023 158 1023 37338 TB1 Terminal Block 4 Pos JO28 CFT 4 73631 TB2 Termin...

Страница 130: ...citor Mica Dipped 1600pF 2 500V CB02 CM06FD162G03 14655 A2C2 Capacitor Mica Dipped 1600pF 2 500V CB02 CM06FD162G03 14655 A2C3 Capacitor Mica Dipped 1600pF 2 500V CB02 CM06FD162G03 14655 A2C4 Capacitor...

Страница 131: ...t 158 1023 158 1023 37338 T2 Transformer Voltage 158 1021 158 1021 37338 T3 Transformer Current 158 1023 158 1023 37338 T4 Transformer Current 158 1023 158 1023 37338 TB1 Terminal Block 4 Position JO2...

Страница 132: ...de General Purpose 400V 1A QE28 1N4004 04713 CR3 Diode General Purpose 200V 0 1A QAP29 1N4938 27014 CR4 Diode General Purpose 200V 0 1A QAP29 1N4938 27014 DS1 Diode LED Green QK12 HLMP 3554 50434 E1 N...

Страница 133: ...or Metal Film 1000 Ohms 1 1 4W RAB25 MF55D1001F 59124 R23 Resistor Metal Film 1210 Ohms 1 1 4W RAB26 MF55D1211F 59124 R24 Resistor Metal Film 100K Ohms 1 1 4W RAC01 MF55D1003F 59124 R25 Resistor Metal...

Страница 134: ...647123 2 00779 J3 Connector BNC Receptacle PWB Mt JF35 R141426161 0GP12 J4 Connector D Sub 25 Pos Vertical Mt JS49 164A16689X 18310 J5 Header MTA Keyed 4 Posts JU25 647123 4 00779 RT1 Thermistor PTC 5...

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