Crown PA1000 Manuel d'utilisateur

iFM1000ARF Amplifier PackageUser's Manual©2005 Crown Broadcast, a division of International Radio and Electronics, Inc.25166 Leer Drive, Elkhart,

2–2FM1000A User’s Manual2.1 Operating EnvironmentYou can install the FM1000A amplifier system in a standard 19–inch componentrack or on a suitable sur

2–3Installation2.4 Preinstallation2.4.1 Power Amplifier ModulesThe PA1000 incorporates four power amplifiers (two each in two modules). Due topossibl

2–4FM1000A User’s ManualWARNING2.4.2 Hubble Twist Lock® Connector WiringPrepare the wiring for the Hubble Twist-Lock® connector in the following manne

2–5Installation2.5 Installation1. Mount the units in an appropriate 19–inch wide cabinet. The power supplymust be installed directly below the power

2–6FM1000A User’s Manual2.6 Remote I/O ConnectionLOCALMAXIMUM+5VLOCALPOWERADJUSTMINIMUMREMOTETANSMITTERCONTROLSW3RAISESW4LOWERSW5R62Electro-ControlCir

2–7InstallationFor remote I/O (Input/Output) connection, connect your remote I/O cable fromyour remote control location to the 25–pin (female) D-sub c

2–8FM1000A User’s ManualRemote I/O Connector Pinout TablePin # Function1 PA#8 Current Monitor (a buffered metering output with 1 V = 2 A)2 PA#7 Curren

3–1OperationSection 3—OperationThis section provides general operating parameters of your poweramplifier system and a detailed description of the fron

3–2FM1000A User’s ManualThese steps summarize the operating procedures you should use for the initialoperation of the power amplifier and power supply

3–3OperationIllustration 3–3 PS1000 Front Panel Functions8. Check the PA1000 parameters with the Digital Multimeter for a current (TotCurrent) of 20

iiRevision ControlRevision Print DateInitial Release (Rev. 0) 900413-1 November 1998Revision 1April 2002Important Notices©2005, Crown Broadcast, a div

3–4FM1000A User’s Manual3.2.1 AC Input Circuit BreakerThe PS1000 supplies power to the PA1000 by converting single-phase 220/240 VACinto 50 VDC. The

3–5Operation3.2.2 DC Power SwitchThe main on/off power switch located on the front panel of the power supplycontrols high voltage output. (The contro

3–6FM1000A User’s Manual3.3 Digital MultimeterIllustration 3–7 Digital MultimeterThe 3–digit numeric display in the upper left corner of the front pan

3–7Operation3.4 Fault IndicatorsIllustration 3–8 Fault IndicatorsCAUTIONPossible equipment damage!Do not exceed 40 watts of input drive.Damage to the

3–8FM1000A User’s Manual3.5 Fuse IndicatorsIllustration 3–9 Fuse IndicatorsThe PA1000 consists of two field-replacable power modules with two amplifie

4–1Principles of Operationinquestomondo,eronoduepersonecheabbianoforse,unosidicechenonhaladispozionedofarlo.Msediciamochechenonc'enullanelmondore

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4–3Principles of Operation4.1.3 Backplane AssemblyThe backplane assembly is located in the vertical center of the PA1000 behind thepower modules. The

inquestomondo,forse,unosidicesediciamochemascrivendoconinquestomondo,forse,unosidicesediciamochemascrivendoconmascrivendoconinquestomondo,forse,unosid

4–5Principles of Operation4.2.1 AC Input BoardThe AC Input Board is located on the left side of the PS1000. AC power from thecircuit breaker connects

iiiContentsContentsContentsContentsContentsSection 1—Getting Acquainted1.1 Your Amplifier Package ...

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5–1TroubleshootingTROUBLETROUBLETROUBLESection 5—TroubleshootingThis section describes procedures for service personnel to diag-nose and troubleshoot

TROUBLETROUBLETROUBLE5–2FM1000A User’s Manual5.1 Troubleshooting Flow Chart AnalysisDoes your amplifier have output power?Yes NoIs power output

5–3TroubleshootingWWARNINGARNING5.2 Digital Multimeter ParametersThe following procedures are general in nature; for in-depth service, and repair seet

TROUBLETROUBLETROUBLE5–4FM1000A User’s Manual5.2.5 PA TempThe meter should read between 35–50°C with an ambient temperature of 25°C. Iftemperature is

5–5TroubleshootingIf one of the LED fault indicators is illuminated red, troubleshoot using the follow-ing suggestions:5.3 Fault Indicators5.3.1 Anten

TROUBLETROUBLETROUBLE5–6FM1000A User’s Manual5.3.5 Multiple IndicatorsCall your Crown Broadcast service representative. See Section 7, Service andSupp

6–1Reference DrawingsSection 6—Reference DrawingsThe illustrations in this section may be useful for makingadjustments, taking measurements, troublesh

6–2FM1000A User’s ManualIllustration 6–1 Front View240 VAC INRF InputRemote I/OControlRF Monitor(Optional Connection)RF OutputCircuit Breakers+ DC Inp

6–3Reference DrawingsIllustration 6–3 FM1000A Block Diagram30 W Exciter(Crown FM30)PA1000Power Amplifier1 kW RFPower OutputRemote I/OConnectorPower Su

iv4.2 PS1000 Power Supply ...4–44.2.1 AC Input Board ...

6–4FM1000A User’s ManualIllustration 6–4 PS1000 Block Diagram240 VACACCIRCUITBREAKERAC INPUTNEUTRALGROUNDACINPUTCCAPOWERSWITCHRECTIFIERPFC &CONTRO

GND EARTHGND CHASSISGND SIGNALGND FIELD SIGNALL1T112 45650-ohmREAR PANELFrom PFC Switcher BoardTo DC OUTPUT BOARDL100(FRONT PANEL)NOTES :_____________

GND CHASSISGND SIGNALGND FIELD SIGNAL15VDC+-(25KHZ)(22.5KHZ)25VR58 for AC current foldback.Install R58.***NOTES :______________1. ALL RESISTORS ARE I

DWG. NO. REV.200983-SCHC1 2 3 4 7 8ABCDEF1 2 3 4 6 7 8ABCEF5THESE DRAWINGS AND SPECIFICATIONS ARE THE PROPERTY OFINTERNATIONAL RADIO AND ELECTRONICS

6–8FM1000A User’s ManualIllustration 6–5 PA1000 Block Diagram

6–9Reference DrawingsPA1000 RF InputRFOUTPUTC247PF NP0R410FWDREFLC147PF NP0C3.001C6.01C5.01D11N6263R720KR520KC4.001D21N5263R620KR182R820K1 2 3 4 5HD1R

6–10FM1000A User’s ManualRFINRFOUTVPWRRFINRFOUTVPWRDZ11101N47356.2VR11192003WR11202.7KC11210.01DISCR11125.62WR11135.62WR110115KR111010KR1117243WC11380

6–11Reference DrawingsRF Output Combiner

6–12FM1000A User’s ManualRF OUTPUT FILTER & REFLECTOMETERPA RFOUTPUTC121147PF NP0R1212100.50 WC12067.1PFC12079.3PFC12085.13PFL120394.1NHL120487.5N

6–13Reference DrawingsBackplane DistributionNote: All bypass capacitors are 0.01 mf

Getting Acquainted1–1IINFORMATIONSection 1—Getting AcquaintedThis section provides a general description of the FM1000Apower amplifier system and intr

6–14FM1000A User's ManualRibbon Cables and ConnectorsRibbon Cables and Connectors

J2-1210mv per degree C.(0.2VDC at 2000W)SWR CALDENOMNUMERPOWER CALSWR clamp @ <200W(1.5:1)49.9K FOR 2:1100uA/A.5V/A.5V/A100uA/A100uA/A100uA/A100uA/

6–16FM1000A User's ManualNotes:

7–1Service and SupportSection 7—Service and SupportWe understand that you may need various levels of support orthat the product could require servicin

7–2FM1000A User's Manual7.1 ServiceThe product warranty (see opposite page) outlines our responsibility for defectiveproducts. Before returning

Service and support 7 – 3 Crown Broadcast Three Year Limited Product Warranty SUMMARY OF WARRANTY Crown Broadcast, IREC warrants its broadca

7–4FM1000A User's ManualNotes:

7–5Service and SupportTo obtain factory service, complete the bottom half of this page, include it with the unit, and ship to:International Radio and

G–1GlossaryGlossaryThe following pages define terms and abbreviations usedthroughout this and other Crown Broadcast manuals.A B C

G–2FM1000A User's ManualA B CAF Audio Frequency; the frequencies between 20 Hzand 20 kHz in the electromagnetic spectrum.ALC Automatic Level Cont

FM1000A User’s ManualI1–21.1 Your Amplifier PackageThe FM1000A is a highly efficient amplifier package designed to set a new standardin FM transmitter

G–3Glossaryexciter (1) A circuit that supplies the initial oscillator usedin the driver stage. (2) A transmitter configurationwhich excludes stereo ge

G–4FM1000A User's ManualA B CPAI Power Amplifier CurrentPAV Power Amplifier Voltagepilot A 19–kHz signal used for stereo transmissions.pre-emphas

G–5GlossarySWR Standing-Wave Ratio; on a transmission line, theratio of the maximum voltage to the minimumvoltage or maximum current to the minimumcur

Index-iIndexAAAAAAC Input Board 4–5AC Power 1–3AC power 2–4ALC 3–4, 5–3Antenna 3–7mismatch 5–5antenna 2–5BBBBBBackplane Assembly 4–3Backplane

Index-iiRRRRRremote I/O 2–7RF Drive Requirement 1–3RF Harmonics 1–3RF Output Impedance 1–3RF output power 1–2RF Power Output 1–3RF power output

Getting Acquainted1–31.2 Amplifier Package SpecificationsRF Power Output:100 to 1100 watts continuous with remotecontrolled power adjustRF Drive Requi

FM1000A User’s ManualI1–41.3 Safety ConsiderationsCrown Broadcast assumes the responsibility for providing you a safe product andsafety guidelines dur

2–1InstallationSection 2—InstallationThis section provides important guidelines for installing yourpower amplifier and power supply. Review this info