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10 000 WATT FM BROADCAST TRANSMITTER

FM10

Page 9-1

15 November 1999

SECTION

WIRING LISTS

INTRODUCTION
9.1

This section contains wiring information for

hard-wired assemblies of the subject unit. Refer to
Table 9-1 for an itemized listing of assemblies that
have wiring lists.

WIRING LISTS NOT PROVIDED
9.2

Separate wiring lists are not provided for

some assemblies. These assemblies include:

9.2.1

Assemblies that have separate maintenance

manuals are not provided. Refer to the associated
maintenance manual for detailed wiring information
of these assemblies.

9.2.2

Assemblies that have their wiring

information adequately depicted/tabulated on their
assembly detail drawings are not provided. Refer to
the associated assembly detail drawing for detailed
wiring information of these assemblies.

PRINTED WIRING PATTERNS
9.3

The need for printed wiring pattern

information is beyond the scope of this manual,
therefore, detailed printed wiring patterns for printed
circuit boards are not included.

WIRE COLORS
9.4

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. In this
case identification must be determined by locating the
assigned identification number.

WIRING LISTS PROVIDED
9.5

The wiring lists tabulated in Table 9-1 are

provided. These lists provide, nonprinted wiring
pattern, point-to-point (source/destination)
interconnecting information.

Table 9-1 Wiring Lists Provided

Table 9-2

Wiring List - 10 000 Watt FM Broadcast Transmitter

Table 9-3

Wiring List - NASR92/02 and NASR92/03 AC Power Supplies

Table 9-4

Wiring List - NAC66/01A and NAC66/03 Control/Monitor Panel

Table 9-5

Wiring List - NAS43/02 Low Voltage Power Supply

Table 9-6

Wiring List - Fan Plate Assembly (182-7130)

Table 9-6A

Wiring List - Fan Panel Assembly

Table 9-7

Connector Mating Information - Sorted By Floating Connector

Table 9-8

Connector Mating Information - Sorted By Fixed Connector

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Содержание FM10

Страница 1: ...SA 04401 Nova Scotia Canada B0J 3J0 Phone 207 947 8200 Phone 902 823 3900 Fax 207 947 3693 Fax 902 823 3183 ISO 9002 REGISTERED ISO 9001 REGISTERED Copyright 2002 NAUTEL All rights reserved TECHNICAL...

Страница 2: ...July 1997 Contents 2 0 15 July 1997 Contents 3 0 15 July 1997 Contents 4 0 15 July 1997 Contents 5 0 15 July 1997 Contents 6 0 15 July 1997 Contents 7 0 15 July 1997 Contents 8 1 15 November 1999 Cont...

Страница 3: ...7 6 4 0 15 July 1997 6 5 0 15 July 1997 6 6 0 15 July 1997 6 7 0 15 July 1997 6 8 0 15 July 1997 6 9 1 15 November 1999 6 10 1 15 November 1999 6 11 0 15 July 1997 6 12 0 15 July 1997 7 1 0 15 July 19...

Страница 4: ...7 10 3 0 15 July 1997 10 4 Blank SD 1 0 15 July 1997 SD 2 2 01 October 2002 SD 3 0 15 July 1997 SD 4 2 01 October 2002 SD 5 0 15 July 1997 SD 6 0 15 July 1997 SD 7 0 15 July 1997 SD 8 0 15 July 1997 S...

Страница 5: ...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 If...

Страница 6: ...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 dry...

Страница 7: ...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 received...

Страница 8: ...YLLIUM 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 D...

Страница 9: ...ping 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 from da...

Страница 10: ...d 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...

Страница 11: ...2 1 2 1 2 LIGHTNING PROTECTION 2 2 2 1 2 1 Station Reference Ground 2 2 2 1 2 2 AC Power Source 2 2 2 1 2 3 Antenna Feed Cable 2 2 2 1 2 4 Antenna Tower 2 2 2 1 2 5 External Control Monitor Wiring 2...

Страница 12: ...S REQUIRED BUT NOT SUPPLIED BY NAUTEL 2 7 2 1 13 1 Surge Protector Panel 2 7 2 1 14 TEST EQUIPMENT AND SPECIAL TOOLS 2 7 2 2 NON TECHNICAL PRE COMMISSIONING 2 8 2 2 1 ACCEPTANCE OF SHIPMENT 2 8 2 2 2...

Страница 13: ...9 REMOTE OPERATION 4 2 4 10 COMMISSIONING PROCEDURES 4 3 4 10 1 CONTROL MONITOR BACKUP BATTERY INSTALLATION 4 3 4 10 2 EXCITER SETUP 4 3 4 10 3 PRELIMINARY SETTINGS 4 4 4 10 4 INITIAL TURN ON 4 4 4 1...

Страница 14: ...M 5 21 5 11 5 HIGH AC PWR ALARM 5 21 5 11 6 LOW AC PWR ALARM 5 22 5 11 7 REFLECTED POWER ALARM 5 22 5 11 7 1 Reflected and Forward Power Zero Watts 5 22 5 11 7 2 Reflected Power Zero Watts and Forward...

Страница 15: ...6 3 7 3 Charging Relay Control 6 4 6 3 7 4 PA Volts Monitor 6 5 6 3 7 4 1 High PA Volts 6 5 6 3 7 4 2 Low PA Volts 6 5 6 3 7 5 IPA Volts Monitor 6 5 6 3 7 5 1 High IPA Volts 6 5 6 3 7 5 2 Low IPA Vol...

Страница 16: ...20 Low Transmitter Forward Power 6 11 6 5 2 21 Transmitter Reflected Power 6 12 6 5 2 21 1 Refld Pwr Less Than 100 Watts 6 12 6 5 2 21 2 Refld Pwr Greater Than 440 Watts 6 12 6 5 2 21 3 Refld Pwr Gre...

Страница 17: ...PATTERNS 9 1 9 4 WIRE COLORS 9 1 9 5 WIRING LIST PROVIDED 9 1 10 ELECTRICAL SCHEMATICS 10 1 INTRODUCTION 10 1 10 2 COMPONENT VALUES 10 1 10 3 GRAPHIC SYMBOLS 10 1 10 4 LOGIC SYMBOLS 10 1 10 5 REFERENC...

Страница 18: ...c RF Power Stage Sheet 2 of 2 SD 7 SD 8 Electrical Schematic RF Combiner Final Filter NAF79 SD 8 SD 9 Electrical Schematic Control Monitor Function SD 9 SD 10 Electrical Schematic Control Display PWB...

Страница 19: ...Output or Reduced RF Output 5 17 5 6 Factory Determined Measurements for Critical Parameters 5 28 7 1 Test Voltages Waveforms Switching Power Supply 7 2 7 2 Test Voltages Waveforms Power Supply Contr...

Страница 20: ...Supplies 9 8 9 4 Wiring List NAC66 01A or NAC66 03 Control Monitor Panel 9 9 9 5 Wiring List NAS43 02 Low Voltage Power Supply 9 10 9 6 Wiring List Fan Plate Assembly 182 7130 9 11 9 6A Wiring List Fa...

Страница 21: ...ly tree for this transmitter is depicted in figures 8 1A and 8 1B It identifies the major assemblies and shows their hierarchical assembly relationship It also identifies the reference designation ass...

Страница 22: ...armonics 80dB relative to carrier Spurious Outputs 80dB relative to carrier Asynchronous AM Noise 65dB Synchronous AM Noise Better than 50dB AC Power Source all voltages are phase to phase 1 208 VAC 3...

Страница 23: ...larm 1 Interlock Open Alarm 2 AC Power Alarm 3 High Temperature Alarm 4 Fan Fail Alarm 5 Low UPS Battery Alarm 6 High Reflected Power Alarm 7 PA Module Fail Alarm 8 IPA RF Exciter Fail Alarm Environme...

Страница 24: ...Multimeter 3 1 2 digit AC and DC volts 10M ohms input ohms and amps 0 5 accuracy Beckman 310 testing and maintenance Oscilloscope Tektronix Model 2245A testing and maintenance Modulation Monitor Belar...

Страница 25: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 1 5 15 July 1997 Figure 1 1 FM10 10 000 Watt FM Broadcast Transmitter...

Страница 26: ...ch pounds 0 665 Newton Meters Installing power MOSFETS Manufactured by or available from Nautel Table 1 4 Glossary of Terms TERM DESCRIPTION Intermediate Power Amplifier IPA A module within the transm...

Страница 27: ...1 1 3 1 Fans in each RF power module draw cooling air through two large filters in the upper rear of the transmitter circulate it through the modules and exhaust it as a low velocity stream through o...

Страница 28: ...al cable should be connected directly to the station reference ground where it enters the building The centre conductor and the shield of the feed cable should pass through a ferrite toroid positioned...

Страница 29: ...itor PWB A14 as the exciter interlock RF mute control If the exciter has an automatic level control ALC circuit it should be enabled if possible 2 1 6 SAFETY INTERLOCK The external safety interlock ci...

Страница 30: ...tor PWB A14 The terminal of each control input may be connected to TB2 15 which will allow activation of the input by momentarily connecting the appropriate terminal to ground 2 1 8 EXCITER INTERLOCK...

Страница 31: ...rcuits will require activation of the PROTECT RESET control before the RF output is restored 2 1 10 1 IPA RF Fail Alarm The IPA RF Fail Alarm output is applied to the IPA RF FAIL ALARM terminal TB2 1...

Страница 32: ...B2 7 of the control monitor PWB A14 When the interlock circuit is intact short circuit the output is an open collector When the interlock is open the INTLK OPEN ALARM output switches to a current sink...

Страница 33: ...tter shipment 2 1 12 2 Ancillary Parts An ancillary parts kit is provided with each transmitter These parts are provided to ensure initial installation is not delayed because of a lost or damaged part...

Страница 34: ...lly disassembled transmitters should be placed in their final location prior to completing assembly 2 2 4 INSTALLATION OF EXTERNAL CONTROL MONITOR WIRING Connect wiring originating from the remote con...

Страница 35: ...et e Locate three black 2 AWG wires 305 306 and 307 that will be attached to the power transformer A1T1 noting they are tyrapped together at the left hand side of the power supply compartment when vie...

Страница 36: ...f the transmitter s Replace the power supply air blocker using the hardware retained in step c Do not operate the transmitter with the power supply air blocker removed Table 2 1 Power Transformer Wire...

Страница 37: ...POWER MODULE INSTALLATION Install the IPA and RF power modules as follows a Remove the upper rear panel noting there is a safety ground wire connected to it Temporarily remove this wire to allow pane...

Страница 38: ...s tabulated in table 2 3 o Do not install the upper rear panel at this time Access to the rear of the IPA module is required to connect the RF drive from the exciter If the exciter is located in the c...

Страница 39: ...n the exciter mounting drawer slides noting it is installed from the front of the cabinet c Plug the exciter s AC power cord into the EXCITER AC ONLY receptacle noting it is located on the rear panel...

Страница 40: ...oaxial cable that has been cut to the required length to the transmitter s RF output noting the RF feed cable termination point is located at the top of the RF output filter refer to figure MD 15 for...

Страница 41: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 2 15 01 October 2002 Figure 2 1 External Input Output Interface...

Страница 42: ...p of its associated primary winding identified in step c noting the tap for all three primary windings must be the same A B C D or E f Re install the lower panel on the rear of the cabinet using the a...

Страница 43: ...er Transformer A1T1 NOMINAL AC VOLTAGE PRIMARY WINDING TAPS RMS PHASE TO PHASE 208 VOLTS 380 415 VOLTS H1 H2 H3 193 203 351 369 1 A 2 A 3 A 204 213 370 389 1 B 2 B 3 B 214 223 390 410 1 C 2 C 3 C 224...

Страница 44: ...y detail CONTROL MONITOR FUNCTIONS CONTROLS AND INDICATORS 3 3 Table 3 2 lists the control monitor functions controls and indicators Refer to figure MD 1 to locate the control monitor panel A13 and th...

Страница 45: ...minally 70 VDC to the input of the C PA switching power supply which provides the DC supply voltage for the C RF power amplifier module A4CB5 MD 5 PWR MDL D Applies unregulated B Volts nominally 70 VD...

Страница 46: ...MD 6 FAN FAIL When turned on indicates one or more of the AC DC power supply s cooling fans has failed or is operating at an unacceptably low speed A5A1DS3 MD 6 PA VDC FAIL PWR SPLY A When turned on...

Страница 47: ...rol circuitry Latching circuit maintains turned on state of local alarm LED when cause of alarm has been removed and operation has returned to normal PWR MDL B circuit breaker has been set to OFF A5A1...

Страница 48: ...rol circuitry Latching circuit maintains turned on state of local alarm LED when cause of alarm has been removed and operation has returned to normal PWR MDL D circuit breaker has been set to OFF A5A1...

Страница 49: ...s was too low for the control voltage level being applied to the common control circuitry Latching circuit maintains turned on state of local alarm LED when cause of alarm has been removed and operati...

Страница 50: ...age being applied to power amplifiers in module B at 25 amperes A7A2F3 MD 2 PA VDC B Fuses regulated DC supply voltage being applied to power amplifiers 5 6 in module B at 25 amperes A7DS1 MD 2 B VDC...

Страница 51: ...cates that PWR MDL E circuit breaker is closed and that B VDC is being applied to switching power supply E A11A2F1 MD 2 PA VDC F Fuses regulated DC supply voltage being applied to power amplifiers in...

Страница 52: ...A26A1F6 MD 13 24 VDC P S FANS A Fuses unregulated 24 VDC being applied to the cooling air fans on fan assembly A27 at 3 0 amperes A26A1F7 MD 13 24 VDC P S FANS B Fuses unregulated 24 VDC being applie...

Страница 53: ...ides a convenient ground reference point for DC supply voltage measurements A26A2R12 MD 14 ALARM THRSHLD ADJUST Adjusted to provide a shutdown signal and AC POWER PHASE ALARM display when an AC power...

Страница 54: ...When turned on indicates temperature inside one or more RF power amplifier modules is was in excess of 85 C Appropriate POWER MODULE ALARM lamp s will also be on Latching circuit maintains turned on s...

Страница 55: ...is was less than 80 of the optimum RF drive level for the RF power amplifier modules Latching circuit maintains turned on state when intermediate RF is restored to an acceptable level A13A1DS12 MD 7 M...

Страница 56: ...ed off and remote status outputs will be switched to their non alarm state The alarm displays circuits associated with any control circuit that is in an alarm state when the switch is released will re...

Страница 57: ...e RF output power decrease will follow a square law A13A1S10 MD 7 MD 8 RF ON Turns on RF power stage when pressed and released by setting control monitor PWB s on off circuitry to its on state A13M1 M...

Страница 58: ...S1 MD 2 REPLACE BATTERY When turned on indicates the backup battery voltage is too low less than 4 1VDC A14R20 MD 2 REFLD PWR Adjusted to activate the reflected power monitoring circuits when the refl...

Страница 59: ...ching power supplies A thru F and hence transmitter output will be inhibited due to the detection of low IPA output A14R151 MD 2 LOW RF Adjusted to set the forward power to RF power amplifier module s...

Страница 60: ...SED IN TEXT A16A1C2 MD 10 RATIO Adj Adjusted to optimize directivity of the IPA Input Power Probe A16 at the desired operating frequency A25A2R2 MD 11 REFL PWR NULL Adjusted to null the voltage sample...

Страница 61: ...F amplifier 4 has failed A13DS5 PA ALARM Q5 When turned on indicates RF amplifier 5 has failed A13DS6 PA ALARM Q6 When turned on indicates RF amplifier 6 has failed A13E1 E1 Normally installed enables...

Страница 62: ...signations are listed Prefix with A18 A19 A20 A21 A22 or A23 for full reference designations Denotes there are six identical power amplifier output PWBs Prefix with A1 A3 A5 A7 A9 or A11 as appropriat...

Страница 63: ...lly set to NORMAL Allows for tuning of RF amplifier 1 when set to TUNE A17A5S1 2 RF Output 2 Normally set to NORMAL Allows for tuning of RF amplifier 2 when set to TUNE A17DS1 PA VDC When turned on in...

Страница 64: ...res all voltages to be turned off proceed directly to paragraph 4 3 2 If in remote control select RF OFF at the remote control site If the front of the transmitter is accessible press and release the...

Страница 65: ...their loads while turned on The following should be routinely observed 4 7 1 The total DC current being drawn by the transmitter must not exceed the level specified as Total Current in the RF Power R...

Страница 66: ...e transmitter will turn on in an RF off state d Install the three batteries in the control monitor PWB s battery holder ensuring they are properly oriented and fully engaged NOTE The control monitor P...

Страница 67: ...ere taped to the front of the transmitter during packing for shipment It is recommended they be inserted into section 5 of this manual along with the blank table 5 6 that is provided The blank table 5...

Страница 68: ...a FAN FAIL ALARM indication on power supply control panel A5 g Set the DC SUPPLY VOLTAGE switch to PA h The DC SUPPLY VOLTAGE meter indication should be zero volts DC i The DC SUPPLY CURRENT meter ind...

Страница 69: ...ARD REFLECTED POWER meter s lower scale should be zero watts i Set the FORWARD REFLECTED POWER switch to FORWARD j Continue to press the OUTPUT POWER RAISE switch for a DC SUPPLY VOLTAGE meter indicat...

Страница 70: ...r at scheduled intervals The recommended minimum time between scheduled maintenance visits is three months Local operating and environmental conditions may dictate more frequent visits and in remote s...

Страница 71: ...th the power amplifier stage turned off The transmitter may remain connected to its antenna system for these procedures It is recommended the RF output level be reduced to a minimal value when the RF...

Страница 72: ...ier module has one or more defective power amplifiers as indicated by the control monitor panel s PA FAIL ALARM lamp but it is still contributing to the transmitter s RF output it may be left on A red...

Страница 73: ...h to FORWARD and read the FORWARD REFLECTED POWER meter indication b If the meter reading in step a is the normal operating level the alarm is probably false Press release the ALARM RESET switch c If...

Страница 74: ...s operational by measuring the voltage between RF power module side of the fuse and ground The digital multimeter reading shall be the nominal PA Volts supply level NOTE If the voltage measured in ste...

Страница 75: ...e MD 1 to locate the circuit breaker panel and then to figure MD 5 to locate a specific PWR MDL circuit breaker 5 7 1 RF POWER MODULE REMOVAL Remove a defective RF power module as follows NOTE PWR MDL...

Страница 76: ...to be removed k Disconnect the PA volts connector 3 pin from J7 of RF power module to be removed l Disconnect the 9 pin connector from J8 of RF power module to be removed m Free the RF power module to...

Страница 77: ...G303 RF coaxial cables must be obtained One to interconnect the output of the RF amplifier being tested to the input of the thruline wattmeter which is connected to the dummy load and One to interconn...

Страница 78: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 5 9 01 October 2002 Figure 5 1 Test Interconnection for RF Power Module to be Tuned...

Страница 79: ...pairs and an associated NORMAL TUNE switch in the following procedures Refer to table 5 4 to identify which components are associated with a power amplifier channel noting there are six channels If n...

Страница 80: ...measure reflected power and determine the reflected power level of the RF drive as indicated by the input power meter Measurement should be less than 1 0 watt Table 5 4A PA Voltage Versus Frequency CA...

Страница 81: ...down d Slide RF power module into its respective support tray from the front of the cabinet ensuring retaining studs at rear of the module s chassis pass thru the access holes in the support tray e E...

Страница 82: ...y cables prefixed by W mating with the associated RF power module connectors J1 thru J6 When disconnecting cable mating connectors from J1 thru J6 or J9 on the rear of the RF power module to be remove...

Страница 83: ...by attaching hardware hexagon nuts and washers on its rear retaining studs NOTE Ensure nuts are firmly tightened as the retaining studs provide a ground for the module d Connect the following mating...

Страница 84: ...he DC voltage between A14U36 11 and ground Adjust LOW RF potentiometer A14R151 until the voltage recorded as Low RF Mon Adj A14U36 11 in table 5 6 is obtained j Remove external power supply from P27 1...

Страница 85: ...y control PWB using the hardware removed in step b Reconnect the mating connector plugs with their associated connectors on the PWB d Turn on the MAIN POWER and all PWR MDL A thru F and IPA circuit br...

Страница 86: ...formation MODULE RF DRIVE on and any one PA VDC FAIL PWR SPLY A thru F The RF drive level at the input to an RF power module has dropped to an unacceptable level and the associated power supply has be...

Страница 87: ...trouble shooting information IPA TEMP on Temperature inside the IPA module has exceeded its preset threshold See paragraph 5 11 11 for trouble shooting information PA VDC FAIL PWR SPLY one or more of...

Страница 88: ...amplifiers causing an unacceptable match at the combiner detected forward power level was too low for the PA supply voltage level being applied to the RF power modules the COMBINER MATCHING alarm lam...

Страница 89: ...is necessary to check the control monitorPWB s intermediate RF level monitor circuitry refer to the control monitor PWB s service instruction manual and the trouble shooting data in section 7 of this...

Страница 90: ...by pressing the ALARM RESET switch If the LOW AC PWR alarm lamp turns off and the AC PHASE alarm lamp turns on continue trouble shooting If not see paragraph 5 11 6 NOTE Random alarm occurrences can r...

Страница 91: ...C PWR lamp was not caused by an AC phase alarm by pressing the ALARM RESET switch If the LOW AC PWR lamp turns off and the AC PHASE lamp turns on a phase loss may have occurred see paragraph 5 11 4 b...

Страница 92: ...exist at the transmitter output a If an external reflected power meter is available verify its reading is similar to that on the control monitor panel b If the external reflected power meter s reading...

Страница 93: ...probe A16 If necessary replace or repair any damaged connections cabling using suitable coaxial cable 50 ohm near 0 68 dielectric constant material 5 11 8 3 RF Drive Checks a Read the exciter s forwar...

Страница 94: ...ce the IPA module with an operational RF power module as detailed in paragraph 5 8 b Trouble shoot the IPA module as detailed in the IPA module s service instruction manual 5 11 9 3 Control Monitor PW...

Страница 95: ...air flow The transmitter s RF output should not be affected by this alarm nor should the IPA switching power supply be inhibited or tripped off by its associated PWR MDL circuit breaker Trouble shoot...

Страница 96: ...cceptably low Compare the reading obtained in step a with the voltage recorded as PA VDC FWD PWR set to Assigned Level in table 5 6 If these readings do not coincide refer to the switching power suppl...

Страница 97: ...tage recorded as IPA VDC in table 5 6 If these readings do not coincide refer to the switching power supply modules service instruction manual for replacement or repair instructions c Allow the system...

Страница 98: ...or fan blockage b Check fan fuses A1F6 and A1F7 located on the low voltage power supply PWB A failed fuse will cause the two fans in a fan assembly to turn off AIR FILTERS 5 12 Air filters should be i...

Страница 99: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 5 30 01 October 2002 Figure 5 2 Tuning Shelf Installation...

Страница 100: ...______ VDC __________ VDC IPA VDC __________ VDC __________ VDC IPA CONTROL LEVEL A5A1TP9 __________ VDC __________ VDC A5A1TP11 __________ VDC __________ VDC IPA PDM CONTROL LEVEL A5A1TP16 __________...

Страница 101: ...FWD PWR A14TB2 12 __________ VDC PA VOLTS MAX ADJ A14U4 3 __________ VDC HIGH REFLECTED POWER A14U6 3 __________ VDC LOW RF MON ADJ A14U6 8 __________ VDC FWD PWR MON ADJ A14U35 3 __________ VDC IPA H...

Страница 102: ...54 9 VAC phase to phase for the B DC power supplies The X set is delta wound and it supplies the B volts 1 DC power supply The Y set is wye wound and it supplies the B volts 2 DC power supply The out...

Страница 103: ...U2 The output voltage of U2 15 VDC is determined by the values of resistors R11 R12 and R14 6 3 4 1 2 24V Fan Supply FET source followers Q3 Q4 and their associated components comprise a circuit which...

Страница 104: ...omparator will be more positive than the alarm reference voltage and U1A s output TP5 will be a current sink to ground R12 is adjusted to apply an alarm reference voltage that is just more positive th...

Страница 105: ...intain a stable output voltage at the desired level 6 3 7 2 IPA Volts Control The IPA Volts Control signal J3 1 2 provided by the control monitor PWB A14 is a low level DC voltage which determines out...

Страница 106: ...VDC alarm LED is turned on and 0 0 VDC is applied to the PA Volts Alarm output J11 4 which is applied to the control monitor PWB 6 3 7 5 IPA Volts Monitor The IPA Volts Sample output from IPA switchi...

Страница 107: ...witch Momentarily pressing the LAMP TEST switch on the transmitter s control monitor panel will cause 0 0 VDC to be applied to the LED Test input J11 3 This turns on all alarm LEDs on the power supply...

Страница 108: ...s comprised of six 330 watt RF power amplifiers The RF input from the intermediate RF drive splitter A15 is split again on power module interface PWB A13 to drive the six RF power amplifiers within th...

Страница 109: ...onitor panel selects either forward or reflected power to be displayed on meter M1 6 5 2 CONTROL MONITOR PWB See figure SD 9 The control monitor PWB A14 determines and regulates the RF output of the t...

Страница 110: ...ute the exciter s output the RF ON indicator LED will turn off the remote RF on status is disabled open circuit J6 6 will switch to ground RF On causing the low voltage power supply to remove the 24 V...

Страница 111: ...ntrol J8 12 11 outputs in response to a fault Once the fault has been removed repaired the shutdown protection circuit must be reset manually by either momentarily pressing the PROTECTION RESET switch...

Страница 112: ...l to the IPA module s forward power as sensed at the input of the intermediate RF drive splitter When the detected IPA fwd Pwr level falls below the low drive threshold the PA Volts Control output wil...

Страница 113: ...H REFLD PWR alarm activates current sink 6 5 2 21 3Refld Pwr Greater Than 1200 Watts Should the detected reflected power level exceed 1200 watts the PA Volts Control and the IPA Volts Control outputs...

Страница 114: ...er to the power supply control PWB s manual for schematic diagrams and detailed circuit description 7 2 3 LOW VOLTAGE POWER SUPPLY PWB Table 7 3 provides typical test voltages for the low voltage powe...

Страница 115: ...72 VDC TP1 PA Volts 48 7 VDC P1 3 FET Gate Drive See Figure 7 1 P2 2 PA Volts Sample See Figure 7 2 A1E1 Switching FET Assy Output See Figure 7 3 5 0 s div 20 0 V div 0 0 VDC indicated as Gnd Figure 7...

Страница 116: ...in Table 5 6 TP4 IPA B Volts Sample 4 6 VDC B Volts 72 VDC TP5 0 0VDC TP6 See Table 5 6 TP7 See Table 5 6 TP8 50kHz Square Wave See Figure 7 5 TP9 See Table 5 6 TP10 Ramp Peak Detect 2 2 2 6VDC TP11 S...

Страница 117: ...4 8 2 5 VDC U28 8 2 5 VDC U29 8 2 5 VDC U30 8 2 5 VDC U32 8 2 5 VDC U33 8 2 5 VDC U24 10 2 5 VDC U28 10 2 5 VDC U29 10 2 5 VDC U30 10 2 5 VDC U32 10 2 5 VDC U33 10 2 5 VDC U34 10 2 5 VDC Table 7 3 Tes...

Страница 118: ...0 VDC indicated as Gnd Figure 7 4 100kHz Oscillator Waveform 5 0 s div 1 0 V div 0 0 VDC indicated as Gnd Figure 7 5 50 kHz Square Wave Waveform 5 0 s div 1 0 V div Scale Centre 0 0 VDC Figure 7 6 50k...

Страница 119: ...DC indicated as Gnd Figure 7 8 TP18 Waveform 5 0 s div 5 0 V div 0 0 VDC indicated as Gnd Figure 7 9 TP19 Waveform 5 0 s div 20 0 V div 0 0 VDC indicated as Gnd Figure 7 10 CR21 Cathode Waveform 5 0 m...

Страница 120: ...0 Intermediate RF Level D See Table 5 6 J5 11 Intermediate RF Level E See Table 5 6 J5 12 Intermediate RF Level F See Table 5 6 TP1 Reflected Power Level 0 0 VDC 1 0 SWR TP2 PA Volts Control See Table...

Страница 121: ...the identified table 8 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 re...

Страница 122: ...bility during manufacture 8 6 6 X Y GRID COLUMN Ref Des Indexes for printed wiring boards PWB s or assemblies that contain PWB s with a high parts density have an X Y grid column This column contains...

Страница 123: ...55 Cornell Dubilier Electronics Division Federal Pacific Electric Company 150 Avenue L Newark New Jersey 07101 15513 Data Display Products P O Box 91072 5428 West 104th St Los Angeles California 90009...

Страница 124: ...Cinch Connectors 1501 Morse Avenue Elk Grove Village Illinois 60007 72982 Erie Technological Products Inc 644 West 12th Street Erie Pennsylvania 16512 74193 Heinemann Electric Company 2600 Brunswick...

Страница 125: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 8 5 15 November 1999 This Page Intentionally Left Blank...

Страница 126: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 8 6 15 November 1999 Figure 8 1 Family Tree FM10 10kW FM Broadcast Transmitter Sheet 1 of 2...

Страница 127: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 8 7 15 November 1999 Figure 8 1 Family Tree FM10 10kW FM Broadcast Transmitter Sheet 2 of 2...

Страница 128: ...3A1RV5 Varistor 200V RMS 75 Joules QI15 Z21L331 81483 A3A1RV6 Varistor 200V RMS 75 Joules QI15 Z21L331 81483 A3A1U1 Diode Power Rectifier 400V 90A UR20 1RKD91 04 81483 A3A1U2 Diode Power Rectifier 400...

Страница 129: ...d 4 Pin 22AWG JU01 640433 4 09482 P4 Connector Size 13 9 5 Socket Contacts 182 5011 182 5011 37338 P5 Connector Size 13 9 5 Socket Contacts 182 5011 182 5011 37338 P6 Connector Size 13 9 5 Socket Cont...

Страница 130: ...End 8 Pin 22AWG JU06 640433 8 09482 P52 Connector MTA Closed End 8 Pin 22AWG JU06 640433 8 09482 P53 Connector MTA Closed End 8 Pin 22AWG JU06 640433 8 09482 P54 Connector MTA Closed End 8 Pin 22AWG J...

Страница 131: ...ble 182 8050 W31 182 8050 W31 37338 W32 Coaxial Cable RF Specify c Non Reparable 182 8050 W32 182 8050 W32 37338 W33 Coaxial Cable RF Specify c Non Reparable 182 8050 W33 182 8050 W33 37338 W34 Coaxia...

Страница 132: ...installation USE CODE EXPLANATION Denotes item is a coaxial cable that is precisely cut to a frequency dependent length Carrier frequency of transmitter must be included when ordering replacement cabl...

Страница 133: ...2 A2R4 Not Used A A2R4 Resistor Metal Film 2200 Ohms 5 2W RBP15 GS 3 2200 Ohms 75042 A3 Choke Strap Assembly 182 7008 01 182 7008 01 37338 A3R1 Resistor Metal Film 150K Ohms 1 1 4W RAC03 MF55D1503F 59...

Страница 134: ...125V Shunt Tap Trip SD13 CD1B15DC00250270VDUCON 74193 CR1 Diode Power Rectifier 600V 1A QL07 1N4247 5M411 CR2 Diode Power Rectifier 600V 1A QL07 1N4247 5M411 CR3 Diode Power Rectifier 600V 1A QL07 1N...

Страница 135: ...n 22AWG JU01 640433 4 09482 P2 Connector MTA Closed End 12 Pin 22AWG JU03 1 640433 2 09482 1 P3 Connector MTA Closed End 4 Pin 22AWG JU01 640433 4 09482 3 P3 Not Used S1 Switch Rotary Non shorting 2P6...

Страница 136: ...N4938 E 2 27014 CR20 Diode General Purpose 200V 0 1A QAP29 1N4938 E 2 27014 CR21 Diode General Purpose 200V 0 1A QAP29 1N4938 E 2 27014 CR22 Diode General Purpose 200V 0 1A QAP29 1N4938 E 2 27014 CR23...

Страница 137: ...1 1 4W RAB37 MF55D1002F E 4 59124 R20 Resistor Metal Film 3920 Ohms 1 1 4W RAB32 MF55D3921F F 5 59124 R21 Resistor Metal Film 3920 Ohms 1 1 4W RAB32 MF55D3921F F 5 59124 R22 Resistor Metal Film 332 O...

Страница 138: ...tch Pushbutton Momentary PWB Mount SCP11 MP01 R0 2 C2 B E B 1 09353 S7 Switch Pushbutton Momentary PWB Mount SCP11 MP01 R0 2 C2 B E G 7 09353 S8 Switch Pushbutton Momentary PWB Mount SCP11 MP01 R0 2 C...

Страница 139: ...0 Bulkhead JDP26 UG1094 U 02660 J7 Connector Coaxial BNC 50 Bulkhead JDP26 UG1094 U 02660 J8 Connector Coaxial BNC 50 Bulkhead JDP26 UG1094 U 02660 J9 Connector Coaxial BNC 50 Bulkhead JDP26 UG1094 U...

Страница 140: ...acitor Ceramic 0 001uF 10 200V CCG01 CKR05BX102KRV 56289 A1CR1 Diode Hot Carrier QK09 1N5711 50434 A1E1 Connector Quick Dis M 1 4 TAB PWB HX42 1266 91833 A1R1 Resistor Metal Film 1500 Ohms 1 1 4W RAB2...

Страница 141: ...Bulkhead JDP26 UG1094 U 02660 J18 Connector Coaxial BNC 50 Bulkhead JDP26 UG1094 U 02660 J19 Connector Coaxial BNC 50 Bulkhead JDP26 UG1094 U 02660 J20 Connector Coaxial BNC 50 Bulkhead JDP26 UG1094...

Страница 142: ...1 CKR05BX102KRV 56289 A2CR1 Diode Hot Carrier QK09 1N5711 50434 A2R1 Not Used A2R2 Resistor Variable Film 500 Ohms 1 2W RW36 3339P 1 501 80294 A2R3 Resistor Metal Film 3300 Ohms 2 1 2W RAP11 RL20S332G...

Страница 143: ...Channel QAP38 IRFP140 81483 Q4 Transistor Field Effect N Channel QAP38 IRFP140 81483 Q5 Transistor Field Effect N Channel QAP38 IRFP140 81483 Q6 Thyristor 25A 800V QS12 2N6509 04713 TB1 Terminal Bloc...

Страница 144: ...C14 Capacitor Ceramic 0 1uF 10 100V CCG07 CKR06BX104KRV 56289 A C15 Not Used B C15 Capacitor Tantalum 1 0uF 10 50V CCP24 CSR13G105KM 56289 CR1 Not Used CR2 Not Used CR3 Not Used CR4 Diode Power Recti...

Страница 145: ...W RAB25 MF55D1001F F 3 59124 R12 Resistor Metal Film 332 Ohms 1 1 4W RAB19 MF55D3320F F 3 59124 R13 Resistor Metal Film 100K Ohms 1 1 4W RAC01 MF55D1003F D 1 59124 R14 Resistor Metal Film 121 Ohms 1 1...

Страница 146: ...ion exists for that item Refer to description and or the use code to determine which item variation is required for a specific installation Partial reference designation shown Prefix with A26A1 ref de...

Страница 147: ...t PICO II FC09 251001 75915 F2 Fuse 1A 125V Fast PICO II FC09 251001 75915 F3 Fuse 1A 125V Fast PICO II FC09 251001 75915 J1 Header MTA 4 Square Posts 0 156 Centre JU20 640383 4 09482 J2 Header MTA 8...

Страница 148: ...UTEL S JAN MIL OEM X Y OEM CODE DES AND DESCRIPTION PART NO PART NO GRID CODE U1 IC Operational Amplifier Dual UD02 LM258J 04713 XK1 Socket Relay 163 5003 163 5003 37338 XU1 Socket DIP 8 Socket Contac...

Страница 149: ...this manual therefore detailed printed wiring patterns for printed circuit boards are not included WIRE COLORS 9 4 Every effort is made to manufacture the assemblies using wire that is the color tabu...

Страница 150: ...P24 2 13 White 22 1 Conductor P14 Body P24 3 Shield Shielded P24 6 P1 3 14 White 22 P1 2 P26 8 15 White 22 P1 5 P26 6 16 Black 22 P1 7 P24 4 17 White 22 P1 10 P26 3 18 White 22 P59 5 P27 3 19 White 22...

Страница 151: ...White 22 P1 6 P16 2 61 White 22 P1 1 P16 12 62 White 22 P3 3 P16 4 63 Black 22 P2 10 XA27TB1 1 64 White 22 P2 12 XA28TB1 1 65 White 22 P2 9 XA27TB1 2 66 Black 22 A27TB1 2 XA28TB1 2 67 Black 22 R1 3 P...

Страница 152: ...te 22 B P27 8 E16 A 106 Black 22 B P27 7 A13M3 107 White 22 B P27 8 A13M3 108 Black 22 A13 Panel Hinge Ground Braid Sleeved A13 Panel A13 Panel Hinge Black 22 P28 1 P50 3 200 Conductor 22 1 Conductor...

Страница 153: ...P49 3 Shield P32 1 P55 1 233 Conductor 22 1 Conductor P32 2 P55 6 Shield Shielded P32 5 P55 3 234 White 22 P32 6 P55 4 235 White 22 P32 7 P31 7 236 White 22 P32 8 P55 2 237 White 22 P32 9 P55 5 238 Wh...

Страница 154: ...A10A2E5 278 White 10 P40 1 A11A2E3 279 White 10 P40 2 A11A2E4 280 White 10 P40 3 A11A2E5 281 White 10 P41 1 A12A2E3 282 White 10 TB1 1 A4CB1A Line 300 Black 2 163 8200 065 TB1 2 A4CB1B Line 301 Black...

Страница 155: ...329 Black 6 A9E2 R1 4 330 Black 6 A10E2 R1 4 331 Black 6 A11E2 R1 4 332 Black 6 A12E2 R1 4 333 Black 6 Xmtr Ref Gnd Sta Ref Gnd 334 Black 2 163 8201 150 A14TB1 13 A10TB1 4 400 White 22 1 Conductor A14...

Страница 156: ...DESTINATION CODE SIZE REMARKS J1 1 T1 Z1 1 Grey 14 J1 2 T1 Z2 2 Grey 14 J1 3 T1 Z3 3 Grey 14 J1 4 T1 S1 4 Grey 14 J1 5 T1 S0 5 Black 14 J1 6 T1 S2 6 Grey 14 J1 7 T1 A2 7 Grey 18 J1 8 T1 A2 8 Grey 18 J...

Страница 157: ...S2A 3 P2 4 8 White 22 S2A 4 P2 9 9 Black 22 S2A 5 P2 5 10 White 22 S2A 6 P2 6 11 White 22 S2A 7 P2 11 12 White 22 S2A 8 P2 7 13 White 22 S2A W1 P2 12 14 White 22 P2 1 M2 ve 15 White 22 M2 ve Ground 1...

Страница 158: ...XF2 Side U1 AC2 5 Grey 22 XF3 Side U1 AC3 6 Grey 22 TB1 4 XF4 Centre 7 Grey 18 TB1 6 XF5 Centre 8 Grey 18 U1 AC1 P2 4 9 Grey 22 U1 AC2 P2 2 10 Grey 22 U1 AC3 P2 1 11 Grey 22 U1 C1 ve 12 White 18 C1 ve...

Страница 159: ...le 9 6 Wiring List Fan Plate Assembly 182 7130 SOURCE DESTINATION CODE SIZE REMARKS B1 ve TB1 1 Red 20 Lead of B1 B1 ve TB1 2 Blue 20 Lead of B1 B1 H E TB1 3 White 20 Lead of B1 B2 ve TB1 1 Red 20 Lea...

Страница 160: ...er 1999 Table 9 6A Wiring List Fan Panel Assembly SOURCE DESTINATION CODE SIZE REMARKS B1 ve TB2 1 Red Lead of P57 B1 ve TB2 2 Black Lead of P57 B1 H E TB2 3 Blue Lead of B1 B2 ve TB2 1 Red Lead of P5...

Страница 161: ...10 000 WATT FM BROADCAST TRANSMITTER FM10 Page 9 13 15 November 1999 This Page Intentionally Left Blank...

Страница 162: ...ntacts A1J1 16 Pin Contacts P16 MTA 12 Socket Contacts A5A1J13 MTA 12 Pin Contacts P17 MTA 4 Socket Contacts A5A1J1 MTA 4 Pin Contacts P18 MTA 4 Socket Contacts A5A1J3 MTA 4 Pin Contacts P19 MTA 8 Soc...

Страница 163: ...TA 8 Pin Contacts P52 MTA 8 Socket Contacts A5A1J17 MTA 8 Pin Contacts P53 MTA 8 Socket Contacts A5A1J18 MTA 8 Pin Contacts P54 MTA 8 Socket Contacts A5A1J19 MTA 8 Pin Contacts P55 MTA 8 Socket Contac...

Страница 164: ...3 BNC W21P2 BNC A24J21 BNC W22P1 BNC A21J4 BNC W22P2 BNC A24J22 BNC W23P1 BNC A21J5 BNC W23P2 BNC A24J23 BNC W24P1 BNC A21J6 BNC W24P2 BNC A24J24 BNC W25P1 BNC A22J1 BNC W25P2 BNC A24J25 BNC W26P1 BNC...

Страница 165: ...5J8 BNC W39P1 BNC To Exciter BNC W39P2 BNC A16J1 BNC W40P1 BNC A16J2 BNC W40P2 BNC A17J5 BNC W41P1 BNC A15J1 BNC W41P2 BNC A18J9 BNC W42P1 BNC A15J2 BNC W42P2 BNC A19J9 BNC W43P1 BNC A15J3 BNC W43P2 B...

Страница 166: ...Contacts P51 MTA 8 Socket Contacts A5A1J17 MTA 8 Pin Contacts P52 MTA 8 Socket Contacts A5A1J18 MTA 8 Pin Contacts P53 MTA 8 Socket Contacts A5A1J19 MTA 8 Pin Contacts P54 MTA 8 Socket Contacts A5A1J...

Страница 167: ...NC W4P1 BNC A18J5 BNC W5P1 BNC A18J6 BNC W6P1 BNC A18J7 3 Pin Contacts P35 3 Socket Contacts A18J8 9 Pin Contacts P5 9 Socket Contacts A18J9 BNC W41P2 BNC A19J1 BNC W7P1 BNC A19J2 BNC W8P1 BNC A19J3 B...

Страница 168: ...2 BNC W32P1 BNC A23J3 BNC W33P1 BNC A23J4 BNC W34P1 BNC A23J5 BNC W35P1 BNC A23J6 BNC W36P1 BNC A23J7 3 Pin Contacts P40 3 Socket Contacts A23J8 9 Pin Contacts P10 9 Socket Contacts A23J9 BNC W46P2 BN...

Страница 169: ...24J35 BNC W35P2 BNC A24J36 BNC W36P2 BNC A25J1 BNC P56 BNC A25J2 BNC P13 BNC A25J3 BNC P14 BNC A26A1J1 MTA 12 Pin Contacts A26P1 MTA 12 Socket Contacts A26A1J2 MTA 12 Pin Contacts P1 MTA 12 Socket Con...

Страница 170: ...ibe two state logic inputs outputs which differ from those inputs outputs having only one distinct state or multiple states analog 10 6 1 TYPE OF INPUTS OUTPUTS On electrical schematics names used to...

Страница 171: ...his section Enter Table 10 1 to with the Nautel nomenclature number and or the description to identify the appropriate figure number s 10 9 3 TITLE OF BLOCK When a functional block has not been assign...

Страница 172: ...c AC DC Power Supply Sheet 2 of 2 Figure SD 4 Electrical Schematic Low Voltage Power Supply PWB NAPS09C 01 Figure SD 5 Electrical Schematic 3 Phase Monitor PWB NAPC60 03 Figure SD 6 Electrical Schemat...

Страница 173: ...Figure SD 1 Electrical Schematic FM10 FM Broadcast Transmitter Overview Page SD 1 15 July 1997...

Страница 174: ...Figure SD 2 Electrical Schematic AC DC Power Supply Sheet 1 of 2 Page SD 2 15 July 1997...

Страница 175: ...Figure SD 3 Electrical Schematic AC DC Power Supply Sheet 2 of 2 Page SD 3 15 July 1997...

Страница 176: ...Figure SD 4 Electrical Schematic Low Voltage Power Supply PWB NAPS09C 01 Page SD 4 15 November 1999...

Страница 177: ...Figure SD 5 Electrical Schematic 3 Phase Monitor PWB NAPC60 03 Page SD 5 15 July 1997...

Страница 178: ...Figure SD 6 Electrical Schematic RF Power Stage Sheet 1 of 2 Page SD 6 15 July 1997...

Страница 179: ...Figure SD 7 Electrical Schematic RF Power Stage Sheet 2 of 2 Page SD 7 15 July 1997...

Страница 180: ...Figure SD 8 Electrical Schematic RF Combiner Final Filter NAF79 Page SD 8 15 July 1997...

Страница 181: ...Figure SD 9 Electrical Schematic Control Monitor Function Page SD 9 15 July 1997...

Страница 182: ...Figure SD 10 Electrical Schematic Control Display PWB NAPD05 01A Page SD 10 15 July 1997...

Страница 183: ...depict the location of electrical components and show assembly outline detail Where appropriate dimensional information will be included 11 3 1 When a module assembly is the subject of its own assembl...

Страница 184: ...Power Supply Control Panel Figure MD 7 Assembly Detail NAC66 01A or NAC66 03 Control Monitor Panel Figure MD 8 Assembly Detail NAPD05 01A Control Display PWB Figure MD 9 Assembly Detail NAI07 Interme...

Страница 185: ...Figure MD 1 Assembly Detail FM10 FM Broadcast Transmitter Front View Page MD 1 15 July 1997...

Страница 186: ...Figure MD 2 Assembly Detail FM10 FM Broadcast Transmitter Rear View Page MD 2 15 July 1997...

Страница 187: ...Figure MD 3 Assembly Detail NASR92 02 and 03 AC Power Supply Assemblies Page MD 3 15 November 1999...

Страница 188: ...igure MD 4 Assembly Detail 3 Phase Rectifier Assembly 182 7150 and 182 7150 01 Page MD 4 15 July 1997...

Страница 189: ...Figure MD 5 Assembly Detail NAG02 01 NAG02 02 Circuit Breaker Panel Page MD 5 15 July 1997...

Страница 190: ...Figure MD 6 Assembly Detail NAC76 Power Supply Control Panel Page MD 6 15 July 1997...

Страница 191: ...F Figure MD 7 Assembly Detail NAC66 01A or NAC66 03 Control Monitor Panel Page MD 7 5 November 1999...

Страница 192: ...Figure MD 8 Assembly Detail NAPD05 01A Control Display PWB Page MD 8 15 July 1997...

Страница 193: ...Figure MD 9 Assembly Detail NAI07 Intermediate RF Drive Splitter Page MD 9 15 July 1997...

Страница 194: ...Figure MD 10 Assembly Detail NAFP68 IPA Input Power Probe Page MD 10 15 July 1997...

Страница 195: ...Figure MD 11 Assembly Detail NAF79 RF Combiner Filter and NAFP64 RF Power Probe Page MD 11 15 July 1997...

Страница 196: ...Figure MD 12A Assembly Detail NAS43 02 Low Voltage Power Supply Page MD 12A 15 July 1997...

Страница 197: ...Figure MD 12B Assembly Detail NAS43 02A Low Voltage Power Supply Page MD 12B 15 July 1997...

Страница 198: ...Figure MD 13 Assembly Detail NAPS09C 01 Low Voltage Power Supply PWB Page MD 13 15 November 1999...

Страница 199: ...Figure MD 14 Assembly Detail NAPC60 03 3 Phase Monitor PWB age MD 14 15 July 1997...

Страница 200: ...Figure MD 15 Dimensional Information FM10 10 000 Watt FM Broadcast Transmitter Page MD 15 15 July 1997...

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