TECHNICAL MANUAL OPERATION AND MAINTENANCE INSTRUCTIONS OPERATIONAL LEVEL POWER AMPLIFIER, 1KW MF HF PA-5050A (FCC VERSION) © Cubic Communications, Inc. 9535 Wales Street San Diego, California 92121-2853 Telephone: (619) 643-5800 Teletext: (619) 643-5803 Manual Pant No.
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@ CUBIC. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member of the Cubic Corporation family of companies FOREWORD SCOPE This manual contains information for the installer and operator to obtain best performance from the PA-5050A. The information includes: a general description, preparation for use and installation instructions, operating instructions, general theory of operation, maintenance instructions, preparation for reshipment, and parts fist. Component level maintenance is not included in this manual.
TELECOMMUNICATIONS PA-5050A TECHNICAL MANUAL A premier of the Cubic Corporation fem of companies Chaps 1 GENERAL DESCRIPTION 1-1 INTRODUCTION. 1-1 1-2 EQUIPMENT DESCRIPTION | 1-1 1-3 EQUIPMENT FURNISHED . 1-1 1-4 STORAGE DATA 11 1-5 TOOLS AND TEST EQUIPMENT . 1-1 1-6 SAFETY PRECAUTIONS 1-t 2 PREPARATION FOR USE AND INSTALLATION INSTRUCTIONS C20 2-1 INTRODUCTION, . 2-2 UNPACKING AND IN. 2-3 INSTALLATION 2-4 CONNECTIONS 2-5 INITIAL ALIGNMENT PROCEDURES OPERATING INSTRUCTIONS iii 3-1 3-1 INTRODUCTION . 3 3.
@music. COMMUNICATIONS PA-5050A TECHNICAL MANUAL LE OF NTS (C A member of the Ruble Corporation family of encompass 6 PREPARATION FOR RESHIPMENT I INTRODUCTION. 2 DISASSEMBLY AND REMOVAL . -3 PACKAGING 4 SHIPPING STORAGE ooh 7-1 INTRODUCTION STORAGE ENVIRONMENT PRESERVATION Hey Gh 0 APPENDIX A: REMOTE CONTROL CABLE A-l INTRODUCTION ..
@ CUBIC. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A mammary toe Gothic Coronet fmt of companies LIST OF ILLUSTRATION Figure Page 1-1 PA-5050A Front View L122 2-1 PA-5050A Rear Panel .. 2-3 3-1 PA-5050A Front Panel Controls and Indicators FEW-1 PA-5050A Outline and Mounting Drawing . . , FPS FEW-2 PA-5050A Block Diagram . PF-3 FEW-3 PA-5050A Interconnect Diagram . . . FP-§ FEW-4 PA-5050A Replaceable Parts Locator Diagram .
@music. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member of ihe Cubic Corporation family of compares 1-1 1-2 1-3 CHAPTER 1 GENERAL DESCRIPTION INTRODUCTION. This chapter contains a description of the equipment supplied, equipment required but not supplied. storage data, and recommended tools and test equipment. EQUIPMENT DESCRIPTION. The PA-5050A linear power amplifier (figure 1-1) is a solid state unit that provides | kilowatt power amplification of RF signals between 1.6 and 30 MHz.
@ CUBIC. COMMUNICATIONS A mammogram af the Cubic Corporation family of compendiums Table 1-1 PA-5050A Specifications. PA-5050A TECHNICAL MANUAL item Specification ELECTRICAL REQUIREMENTS Frequency Range 1.6 30.0 MHz Power Output 1 kW peak. (900 w from MHz 30 MHz) Rated for 100% continuous duty SSB, CW, AM, or FSK. Drive Level 20 to 100 kilowatts input for 1000 watts output, Termination Distortion (dB below 1 kW PEP) 3rd order 32 dB, 5th order 37 dB typical. Filter Bands (in MHz) Band 1.602.3 Band 6.94 9.
© CUBIC. COMMUNICATIONS A member of the Cubic Corporation family of companies Table 1-2 Items Furnished and Required. Part No. Qty Nomenclature 2241-1000-3 01 PA-5050A Power Amplifier (FCC 1.D. # CONVICTS-1000) Famished 2241-1021-3 01 Technical Manual, Operation and Maintenance Furnished Instructions, POWER AMPLIFIER, PA-5050A 2242-1000-1 01 Cubic PS-7130A. Furnished (Four independent Power Sources @ +28 VDC +10%, 25 amperes., and one source @ +28VDC £10%, 11 amperes.
@ CUBIC. COMMUNICATIONS : PA-5050A TECHNICAL MANUAL A member of the Cubic Corporation amity of compares 2-1 2-3 CHAPTER 2 . PREPARATION FOR USE AND INSTALLATION INSTRUCTIONS INTRODUCTION. This chapter contains unpacking, inspection, installation, connections, and initial alignment procedures for the PA-5050A UNPACKING AND INSPECTION. To unpack and inspect the PA-5050A for damage, perform the following procedures: 1. Inspect the shipping carton for damage before unpacking the PA-5050.
@music. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member of tne Cubic Coma ration fem of compass NOTE See figure FEW-1 for clearance requirements and mounting details. 1. Securely mount the outer section of the slides to the rack cabinet being sure to select the correct mounting holes. ~ Attach indicated right and left slide rails to each side of unit. w .
@Cubic. COMMUNICATIONS A member af ing Cubic Corporation family of comperes Table 2-2 DC POWER (J3) Pin Descriptions.
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URIC. COMMUNICATIONS A besoms of the Cubic Corporation family of comperes PA-5050A TECHNICAL MANUAL Table 2-4 REMOTE CONTROL (J5) Pin Descriptions. Pin Signal Remarks 1 TX KEY Ground to Key 2 TXD RS-232 3 RXD RS-232 4 RTS RS-232 5 CTS RS-232 6 NC 7 GND 8-13 NC 14 TX+ RS.485 SDA 15 TARS-485 SDB 16 RX+ RS-485 RDA 17 RX. RS-485 RDB 18 NC 19 Uptrend Upload 20 GND Upend 21 Uproar Upload 22 Upsets Upload 23.
@Cubic. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member of ihe Cubic Corporation family of companies 2-5 INITIAL ALIGNMENT PROCEDURES. NOTE This procedure is used only when the system is turned on for the first time or when the T-4180 exciter is changed. Setting PAP] Manually: 1. If the PS-7130A and the PA-5050A are on, turn them off. 2. Press the button on the PA-5050A and hold down while turning on the PS-7130A. . The LED readout will display “TURN OFF TO ABORT". Release the button.
CUBIC. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member ot the Cubic Corporation fay of compasses CHAPTER 3 OPERATING INSTRUCTIONS 3-1 INTRODUCTION. This chapter contains operating instructions for the PA-5050A linear power amplifier. A separate power supply source, transmitter/exciter, and antenna system are required. Refer to the documentation supplied with the power supply, transmitter/exciter, and antenna system for operation of that equipment. 3-2 OPERATION.
@music. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member of the Runic Corporation family of compares Table 3-2 PA-5050A Serial Bus Command and Status Messages. Syntax Reply Description Command Messages PAF12345678 Set operating frequency in Hz. Range 1.6 30 MHz. This will select the appropriate low pass filter. PAP# -— Set the power output. Valid ranges are 1=100W, 2=500W, 3=1KW below 28 MHZ & 900W at 28 MHZ and above PT# Software Turkey. 1 =TX, 0=RX ATNXXxx -Set front cnd attenuation value 00.00 to 32.
CUBIC. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member of the Cubic Corporation (amity of compares 4-2 CHAPTER 4 GENERAL THEORY OF OPERATION INTRODUCTION. This chapter contains a block diagram description of the PA-5050A linear power amplifier. The following paragraphs describe operation of the PA-5050A (see figure FO-2). GENERAL THEORY OF OPERATION. 4-2.1 Power Distribution.
$ CUBIC. COMMUNICATIONS . PA-5050A TECHNICAL MANUAL A member ot ins Conic Combustion Tamil of compares 4-2.3 Display, The Display board contains a liquid crystal alphanumeric display that provides an indication of forward power, reflected power, attenuation and frequency. When the front panel DISPLAY STATUS switch is pressed, the display shows the alternate information. 4-2.
@ CUBIC. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member of ine Co sic Corporation family of companies to the RF input of the PA-5050A. This reduction of drive to the PA modules causes the temperature to drop. When the PA module cools down sufficiently, the thermostat switch closes. The PWR LED lights, and normal drive is restored. Each PA module has a VOLTAGE SENSE line that is sent to the individual textual power supplies.
@cubic. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member of the Cubic Corporation timely of comperes 5-2 5-3 5-4 CHAPTER 5 MAINTENANCE INSTRUCTIONS Section I. PREVENTIVE MAINTENANCE INTRODUCTION. This chapter contains both preventive and corrective operational level maintenance instructions. The information includes cleaning and lubrication, inspection, performance verification, troubleshooting, and module replacement. CLEANING AND LUBRICATION.
@Cubic. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A member ot the Music Corporation family of companies 5-5 Section Il. CORRECTIVE MAINTENANCE TROUBLESHOOTING. 5-5.1 Troubleshooting Philosophy. Certain assumptions are made concerning the troubleshooting approach as applied to the unit as follows: 1. All point-to-point wiring is correct. Therefore, no malfunction is the result of a wiring (or cable.connector) fault.
© CUBIC. COMMUNICATIONS A Member of the Cubic Corporation family of companies PA-5050A TECHNICAL MANUAL Table 5-1 Front Panel LED Interpretation. Master PWR FLT Condition Corrective Action PWR ON ON OFF Normal None ON OFF OFF 1. Overheat 1. Turnkey and wait 5 mind. Check cooling fans Check ambient temperature Replace PA module Replace PA-5050A 2. Loss of input voltage to 2.
@CUBIC.COMMUNICATIONS PA-5050A TECHNICAL MANUAL A mamas ot the Cubic Corporation family of commences 5-5.3 Module Replacement. Tum off power before removing or replacing modules. Equipment may be damaged if modules are removed or replaced with power applied. To remove and replace a PA module, perform the following procedures: Removal. 1. Turn the knurled knobs on the top and bottom of the PA module counter-clockwise to release the module from the chassis. 2. Slide the module out of the chassis. Replacement.
@Telecommunications ! PA-5050A TECHNICAL MANUAL A member of the Cubic Corporation family of companies 4. Some voltages may be checked on the rear panel connectors. Refer to chapter 2 for pin-outs of these connectors, Some voltages may be checked by removing the module where the signal in question terminates, and checking the voltage at the connector in the chassis. CAUTION | Remove the +28V DC input voltages before performing continuity checks.
@music. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A amber of the Cube Corporation Tami of companies CHAPTER 6 PREPARATION FOR RESHIPMENT INTRODUCTION. This chapter contains information to prepare the equipment for reshipment including disassembly and removal from the rack mount, packaging, and shipping. DISASSEMBLY AND REMOVAL. To disassemble and remove the PA-5050A from the rack mount, perform the following procedures: 1. Remove power from the PA-5050A. 2.
@cubic. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A mere ot ne Gun Corporation am by of recompenses CHAPTER 7 STORAGE 7-1 INTRODUCTION. This chapter contains information for storage of the equipment including environmental conditions and any special preservation requirements. 7-2 STORAGE ENVIRONMENT. The PA-5050A should be stored indoors in the original shipping container (or similar container) as described in Chapter 6. The environment should be dry with a temperature range between -40 and +75 °C.
CUBIC. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A amber of he Cubs Cosponsor fanny of simper CHAPTER 8 PARTS LIST 8-1 INTRODUCTION. This chapter contains the parts list for replaceable parts at the operational maintenance level. 8-2 REPLACEABLE PARTS LISTING. Table 8-1 lists the replaceable parts for the unit. (See figure FEW-4 for locations.) Table 8-1 Replaceable Parts List. f Qty Description Part Number Mfr! 4 Power Amplifier Module ccI | 'Cubic Communications Inc.
@cubic. COMMUNICATIONS PA-5050A TECHNICAL MANUAL A amber of the Cubic Corporation family of companies APPENDIX A REMOTE CONTROL CABLE A-1 INTRODUCTION. ‘his appendix contains a description of the remote control cable connecting the PA-5050A to the T4150/80 exciter. A-2 DRAWING. Figure A-1 shows the schematic of the remote control cable CCI P/N 2241-5023-X.
PA-5050A TECHNICAL MANUAL 090 I mE — COVER AMP MODULE 2241-111 4 PLACES SEE VIEW A FO. PA-5050A Replaceable Parts Locator Diagram.