INSTRUCTION MANUAL Innovator, LX Series UHF Analog Driver/Transmitter/Translator AXCERA, LLC 103 FREEDOM DRIVE P.O. BOX 525 LAWRENCE, PA 15055-0525 USA (724) 873-8100 • FAX (724) 873-8105 www.axcera.com • info@axcera.
UHF Analog Driver/Transmitter/Translator Table of Contents TABLE OF CONTENTS CHAPTER 1 INTRODUCTION SECTION PAGE 1.1 Manual Overview ............................................................................ 1-1 1.2 Assembly Designators ...................................................................... 1-1 1.3 Safety........................................................................................... 1-2 1.4 Contact Information...................................................................
UHF Analog Driver/Transmitter/Translator Table of Contents TABLE OF CONTENTS - (Continued) SECTION PAGE 4.0.1 Exciter Switcher Control Board .................................................. 4-1 4.1 (Optional) Receiver Module (not used in a transmitter system) ................. 4-1 4.1.1 IF ALC Board ......................................................................... 4-1 4.1.2 UHF Mixer/PLL Board............................................................... 4-2 4.1.3 UHF Preamplifier Board .......
UHF Analog Driver/Transmitter/Translator Table of Contents TABLE OF CONTENTS - (Continued) SECTION PAGE 4.6 Exciter PA Module used in 10-100Watt Xmitters. or Drivers above 2kW .....4-19 4.6.1 1 Watt Amplifier Module Assembly ............................................4-20 4.6.2 1 Watt UHF Amplifier Board .....................................................4-20 4.6.3 40 Watt UHF Amplifier Assembly...............................................4-20 4.6.4 UHF Module Assembly, RF Module Pallet..............
UHF Analog Driver/Transmitter/Translator Table of Contents LIST OF FIGURES FIGURE PAGE 1-1 Brady Marker Identification Drawing ............................................. 1-1 2-1 2-2 Exciter/Driver Chassis Assembly Front View................................... 2-1 Exciter/Driver Chassis Assembly Rear View ...................................2-18 3-1 3-2 3-3 3-4 1 kW Minimum Ventilation Configuration ....................................... 3-4 Front and Rear View Reconnection Drawings .............
UHF Analog Driver/Transmitter/Translator Table of Contents LIST OF TABLES TABLE 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-10 2-11 2-12 2-13 2-14 2-15 2-16 2-17 2-18 2-19 2-20 2-21 2-22 2-23 2-24 2-25 2-26 2-27 2-28 PAGE LX Series Trays and Assemblies................................................... 2-1 Receiver Front Panel Switch........................................................ 2-3 Receiver Front Panel Status Indicators ..........................................
UHF Analog Driver/Transmitter/Translator Table of Contents LIST OF TABLES – (Continued) TABLE 3-20 3-21 3-22 3-23 3-24 3-25 3-26 3-27 3-28 3-29 3-30 3-31 3-32 3-33 3-34 3-35 3-36 3-37 3-38 3-39 3-40 3-41 3-42 3-43 5-1 PAGE Menu 20 Error List Display Screen..............................................3-14 Menu 30 Transmitter Device Details Screen .................................3-15 Menu 30-1 System Details Screens ............................................
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction Chapter 1 Introduction 1.1 Manual Overview Ax designations such as A1, where x=1,2,3…etc, to all assemblies, modules, and boards in the system. These designations are referenced in the text of this manual and shown on the block diagrams and interconnect drawings provided in the appendices. The Block Diagrams, Interconnects, Schematics, Assembly Drawings and Parts Lists are arranged in increasing numerical order in the appendices.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction 1.3 Safety Replacement Parts – When replacement parts are used, be sure that the parts have the same functional and performance characteristics as the original part. Unauthorized substitutions may result in fire, electric shock, or other hazards. Please contact the Axcera Technical Service Department if you have any questions regarding service or replacement parts.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction The MRA# can be obtained from any Axcera Field Service Engineer by contacting the Axcera Field Service Department at (724) 873-8100 or by fax at (724) 873-8105. This procedure applies to all items sent to the Field Service Department regardless of whether the item was originally manufactured by Axcera.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction F WARNING!!! × HIGH VOLTAGE Ø DO NOT ATTEMPT TO REPAIR OR TROUBLESHOOT THIS EQUIPMENT UNLESS YOU ARE FAMILIAR WITH ITS OPERATION AND EXPERIENCED IN SERVICING HIGH VOLTAGE EQUIPMENT. LETHAL VOLTAGES ARE PRESENT WHEN POWER IS APPLIED TO THIS SYSTEM. IF POSSIBLE, TURN OFF POWER BEFORE MAKING ADJUSTMENTS TO THE SYSTEM.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction EMERGENCY FIRST AID INSTRUCTIONS Personnel engaged in the installation, operation, or maintenance of this equipment are urged to become familiar with the following rules both in theory and practice. It is the duty of all operating personnel to be prepared to give adequate Emergency First Aid and thereby prevent avoidable loss of life. RESCUE BREATHING 1. Find out if the person is breathing.
UHF Analog Driver/Transmitter/Translator Note: Chapter 1, Introduction Because of possible FCC assigned offset, check for the assigned Carrier Frequency as written on License. UHF Frequency Assignments Channel Number Bandwidth (MHz) Video (MHz) Color (MHz) Audio (MHz) 14 470-476 471.25 474.83 475.75 15 476-482 477.25 480.83 481.75 16 482-488 483.25 486.83 487.75 17 488-494 489.25 492.83 493.75 18 494-500 495.25 498.83 499.75 19 500-506 501.25 504.83 505.
UHF Analog Driver/Transmitter/Translator Note: Chapter 1, Introduction Because of possible FCC assigned offset, check for the assigned Carrier Frequency as written on License. UHF Frequency Assignments Channel Number Bandwidth (MHz) Video (MHz) Color (MHz) Audio (MHz) 44 650-656 651.25 654.83 655.75 45 656-662 657.25 660.83 661.75 46 662-668 663.25 666.83 667.75 47 668-674 669.25 672.83 673.75 48 674-680 675.25 678.83 679.75 49 680-686 681.25 684.83 685.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction dBm, dBw, dBmV, dBµ V, & VOLTAGE EXPRESSED IN WATTS 50 Ohm System WATTS 1,000,000,000,000 100,000,000,000 10,000,000,000 1,000,000,000 100,000,000 10,000,000 1,000,000 100,000 10,000 1,000 100 50 20 10 1 0.1 0.01 0.001 0.0001 0.00001 0.000001 0.0000001 0.00000001 0.000000001 0.0000000001 0.00000000001 0.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction USEFUL CONVERSION FACTORS TO CONVERT FROM TO MULTIPLY BY mile (US statute) kilometer (km) inch (in) millimeter (mm) inch (in) centimeter (cm) inch (in) meter (m) foot (ft) meter (m) yard (yd) meter (m) mile per hour (mph) kilometer per hour(km/hr) mile per hour (mph) meter per second (m/s) pound (lb) kilogram (kg) gallon (gal) liter U.S. liquid (One U.S. gallon equals 0.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction ABBREVIATIONS/ACRONYMS AC Alternating Current PCB Printed circuit board AFC Automatic Frequency Control QAM Quadrature Amplitude Modulation ALC Automatic Level Control AM Amplitude modulation AGC Automatic Gain Control AWG American wire gauge BER Bit Error Rate BW Bandwidth DC Direct Current D/A Digital to analog dB Decibel dBm Decibel referenced to 1 milliwatt dBmV Decibel referenced to 1 millivolt dBw Decibel
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction RETURN LOSS VS. VSWR 0 -10 -20 R E -30 T U R N dB L O S S -40 -50 -60 -70 1.001 1.01 1.1 VSWR LX Series, Rev. 3 1-11 2.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections Chapter 2 System Description, Maintenance & Remote Control Connections System Overview The LX Series can also be used as a driver for external power amplifiers. The output power of the driver is determined by the level needed to attain the full output power of the transmitter. The driver’s maximum output is 7 Watts peak of sync.
UHF Analog Driver/Transmitter/ Translator ASSEMBLY DESIGNATOR OR A6 A11 (Optional) A14(500/1kW) or A29(5kW) Chapter 2, System Description, Maintenance & Remote Control Connections TRAY/ASSEMBLY NAME Driver Amplifier Module, used in high power transmitters Backplane Board, V2, LX Series PART NUMBER 1303771 (1kW) OR 1303874 (2kW) 1304047 Exciter Switcher Assembly (Used in dual exciter systems) 1305727 (110 VAC) OR 1305715 (220 VAC) 2.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections external switching by placing jump er W11 on J29 between pins 1 & 2). controls its own IF gain to make sure that the IF output level is constant. The UHF Receiver converts a low level RF input signal to an IF frequency of 44 MHz, filters off any unwanted out of band energy, and normalizes the level so that it can be applied to the IF processor assembly. It consists of three boards.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections 2.1.2 (A2) Modulator Module Assembly (1301929; Appendix B) removing the low to TB31-Pin 3 located on the rear of the exciter/driver assembly. By connecting the low, the Modulator IF output is used by the IF Processor module. By removing the low, the IF from the internal or external Receiver is used.
UHF Analog Driver/Transmitter/ Translator OVER MOD DS3 (Red) ALT IF DS7 (Green) 10 MHz PRES DS2 (Green) Chapter 2, System Description, Maintenance & Remote Control Connections When lit it indicates the Video input level is too high. When lit it indicates that external or alternate 4.5MHZ is present. When lit it indicates that a 10MHz reference is present to the transmitter. Table 2-8.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections module RF power level with the desired level and uses the IF Power Control PWM line to correct for errors. the RF power level control circuit is removed from use. When the ALC select switch is changed to Auto, the RF power level control circuit will start at low power and increase the RF output until the desired output power is attained.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections Table 2-12. IF Processor Front Panel Control Adjustments POTENTIOMETERS FREQUENCY RESPONSE EQUALIZER ALC GAIN MAN GAIN LINEARITY CORRECTION DESCRIPTION These three variable resistors, R103, R106 & R274, adjust the depth of gain for the three stages of frequency response correction. Adjusts the gain of the transmitter when the transmitter is in the Auto ALC position.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections resulting signal is amplified and applied to a Pin diode attenuator before it is connected to the output of the upconverter. This pin diode attenuator adjusts the gain of the module and is controlled by an Automatic Gain Control circuit, which maintains a constant power out of the upconverter, and also the transmitter, that connects to the power amplifier module. Table 2-14.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections 2.1.5 (A4) Control/Power Supply Module Assembly (110 VAC, 1301936 or 220 VAC, 1303229; Appendix B) The (A4) Control & Monitoring/Power Supply Assembly is configured at the factory for operation at 110 VAC or 220 VAC. The assembly made up of a Control Board (1302021), a Power Protection Board (1302837) and a Switch Board (1527-1406).
UHF Analog Driver/Transmitter/ Translator 2.1.6 (A6) Exciter Power Amplifier Module in 10-100W Transmitter or driver in systems above 2kW (1303770; Appendix B) Chapter 2, System Description, Maintenance & Remote Control Connections Power Amplifier module are routed through the floating blind-mate connector of the Control & Monitoring/Power Supply module. The 100 Watt Transmitter/Exciter Driver Power Amplifier module and any External Amplifier modules contain the same control and monitoring board.
UHF Analog Driver/Transmitter/ Translator 100 Watts analog, system power is monitored by an external module that is connected to TB31 and control board SW1 switches must be set off. The Forward Power of the Transmitter/Exciter Driver Power Amplifier module is routed to the Upconverter module as AGC #1. A Chapter 2, System Description, Maintenance & Remote Control Connections system over-drive condition is detected when this value rises above 0.9 VDC.
UHF Analog Driver/Transmitter/ Translator 2.1.6.1 (A6) Driver Amplifier Module Assembly {1303771(1kW) or 1303874(2kW)}; Appendix B) Chapter 2, System Description, Maintenance & Remote Control Connections The Driver Power Amplifier module and any External Amplifier modules contain the same control and monitoring board. This board monitors RF output power, RF reflected power, the current draw of amplifier sections, the supply voltage, and the temperature of the PA heat sink.
UHF Analog Driver/Transmitter/ Translator power greater than 100 Watts, system power is monitored by an external module that is connected to TB31. In this configuration switches SW1 on the control board must be set off. The Forward Power of the Exciter Driver Power Amplifier module is routed to the Upconverter mo dule as AGC #1. A Chapter 2, System Description, Maintenance & Remote Control Connections system over-drive condition is detected when this value rises above 0.9 VDC.
UHF Analog Driver/Transmitter/ Translator 2.1.7 RF Output Assemblies The RF output from the exciter power amplifier is at the RF output jack, an “N” connector J25, PA RF Output, of the chassis assembly. If the exciter assembly is used as a driver, the output connects to the input of the PA Assembly mounted beneath the exciter assembly. If the exciter assembly is used as a 10W to 100W transmitter, then the output connects directly to the bandpass filter for the system.
UHF Analog Driver/Transmitter/ Translator the transmitter. This condition is the result of a fault that causes the firmware to hold the IF Processor module in a mute state. Operate Mode with Mute Condition The transmitter will remain in the operate mode but will be placed in mute when the following fault conditions exists in the transmitter.
UHF Analog Driver/Transmitter/ Translator Table 2-27: UHF Television Frequencies CH CENTER + Offset - Offset # FREQUENCY 14 473 MHz 473.01 472.99 15 479 MHz 479.01 478.99 16 485 MHz 485.01 484.99 17 491 MHz 491.01 490.99 18 497 MHz 497.01 496.99 19 503 MHz 503.01 502.99 20 509 MHz 509.01 508.99 21 515 MHz 515.01 514.99 22 521 MHz 521.01 520.99 23 527 MHz 527.01 526.99 24 533 MHz 533.01 532.99 25 539 MHz 539.01 538.99 26 545 MHz 545.01 544.99 27 551 MHz 551.01 550.99 28 557 MHz 557.01 556.99 29 563 MHz 563.
UHF Analog Driver/Transmitter/ Translator Operating Frequency The LX Series transmitter/translator controller is designed to operate on UHF frequencies. Refer to Table 2-27 for the typical UHF channel center and + & offset frequencies, which are used in setting the LO1 and LO2 frequencies in the Upconverter Module. The exact output frequency of the transmitter can be set to one of the standard UHF frequencies, or to a custom frequency using the software channel set-up menu on the Controller Module.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections TB30 TB31 Figure 2-2. Exciter/Driver Chassis Assembly Rear View Table 2-28: LX Series Chassis Assembly Hard Wired Remote Interface Connections to TB30 or TB31, 18 pos.
UHF Analog Driver/Transmitter/ Translator Signal Name RMT Transmitter Operate RMT Transmitter Stand-By Pin Designations TB30-6 TB30-7 RMT Power Raise TB30-8 RMT Power Lower TB30-9 RMT System Reflect Power TB30-10 RMT System Visual/Forward Power TB30-11 RMT System Aural Power TB30-12 RMT Spare 1 RMT Spare 2 TB30-13 TB30-14 System Reflect Power TB31-13 System Visual / Forward Power TB31-14 System Aural Power TB31-15 IF Processor IF Signal Select TB31-3 IF Processor DLC Voltage TB31-4
UHF Analog Driver/Transmitter/ Translator Signal Name UC AGC #2 Voltage RMT Ground RMT Ground RMT +12 VDC RMT -12 VDC LX Series, Rev. 3 Chapter 2, System Description, Maintenance & Remote Control Connections Pin Designations Signal Type/Description TB31-5 Auxiliary Analog Input (0 to 1V). This voltage is used by the Upconverter for gain control. Linear signal with display resolution of 0.01 %. Primary signal source is J34-1.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Chapter 3 Site Considerations, Installation and Setup Procedures Table 3-1: LX Series Transmitters/Drivers AC Input and Current Requirements.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures rarely if ever attainable in the real world. However, the closer the environment is to this design, the greater the operating capacity of the transmitter. preferred method and is the only way to create anything close to an ideal environment. Ventilation will work quite well if the ambient air temperature is below 100° F, or about 38° C, and the humidity is kept at a reasonable level.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures thought of air conditioning only the front of the unit. Cooling air is drawn in at the front of all transmitters and in the front and back of others. Any attempt to separate the front of the transmitter from the rear of the unit will adversely affect the flow of cooling air. 4. 5. complete flushing of heated air with no stagnant areas.
UHF Analog Driver/Transmitter/ Translator 12. 13. Chapter 3, Site Considerations, Installation and Setup Procedures Above 4000 feet, for external venting, the air vent on the cabinet top must be increased to an 8-inch diameter for a 1 kW transmitter and to a 10 inch diameter for 5 kW and 6 kW transmitters. An equivalent rectangular duct may be used but, in all cases, the outlet must be increased by 50% through the outlet screen.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures 3.2 Unpacking the Chassis w/modules, bandpass and trap filters assembly mounts using the four #10 clearance mounting holes on the ends.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures AC Input Box Bandpass Filter Output to Antenna Trap Filter Low Power w/Cabinet High Power Connect the bandpass filter and trap filter to the output of the chassis assembly. Connect the transmission line for the antenna system to the output of the trap filter. A BNC sample jack of the output on the trap filter can be used for test purpose. 3.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures NOTES: The transmitter is factory set for either 110 VAC or 220 VAC operation as directed by customer. Transmitters 250 Watts and above use 220 VAC Input only. television transmitter. Refer to the setup and operation procedures that follow before applying power to the transmitter. Transmitters 4000 Watts and above require two 220 VAC Inputs, one to each cabinet.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Figure 3-4: Rear View of LX Series Analog Transmitter TB02 TB30 J21 TB31 J25 J24 J18 J9 J15 SPARE J23 J3 J6 J10 J4 J8 J19 J11 J1 J32 J33 Table 3-3: Rear Chassis Connections for the LX Series Analog Transmitter.
UHF Analog Driver/Transmitter/ Translator Port J32 J33 J34 Type RJ-45 RJ-45 RJ-45 Chapter 3, Site Considerations, Installation and Setup Procedures Function SCADA (Input / Loop-Thru) SCADA (Input / Loop-Thru) System RS-485 Serial 3.5.2 Initial Turn On Impedance CAT5 CAT5 CAT5 ALC FLT: This illuminates Red when the ALC can not maintain output level. Once the unit has been installed and all connections have been made, the process of turning on the equipment can begin.
UHF Analog Driver/Transmitter/ Translator 3.5.2.3 IF Processor Module LEDs on Front Panel Chapter 3, Site Considerations, Installation and Setup Procedures 3.5.2.6 Power Amplifier or Driver Module LEDs on Front Panel Fault Indicators: INPUT FAULT: This illuminates Red if the input to the module is missing or low. NOTE: Both the PA Module and Driver Module have the same front panel LEDs.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Display Menu Screens for the (Optional) Exciter Switcher Tray Table 3-4: Menu 01 - Splash Screen #1 This is the first of the two exciter switcher splash screens that is shown for the first few seconds after reset or after pushing the SPL button on the Main Screen. Will automatically switch to the second splash screen.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-9: Menu 06 – Exciter Switcher Control Screen This screen allows you to cancel the automatic back-up and that Exciter B is selected as the On Air Exciter. Table 3-10: Menu 07 – Exciter Switcher Control Screen This screen indicates that Exciter B is selected as Back up to the On Air Exciter A.
UHF Analog Driver/Transmitter/ Translator 3.5.4 Front Panel Screens for the Exciter/Amplifier Chassis Assembly A 4 x 20 display located on the front of the Control & Monitoring/Power Supply Module is used in the LX Series transmitter for control of the operation and display of the operating parameters of the transmitter. Below are the display screens for the system. The ↑ and ↓ characters are special characters used to navigate up or down through the menu screens.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-17: Menu 11 - Error List Access Screen This screen of the transmitter shows the current number of errors, displayed in upper, right of screen (0), and provides operator access to view Menu 20, the error list screens, by pushing the ENT button. When ENT is pushed, Menu 20, the Error List Display Screen is displayed.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Menu 30 is entered by selecting ENT at Menu 12, Table 3-8. Table 3-21: Menu 30 - Transmitter Device Details Screen This screen allows access to the transmitter parameters of installed devices. The system is configured to know which devices are present. Current values for all installed devices are shown. If a module is not installed, only a "MODULE NOT PRESENT" me ssage will be displayed.
UHF Analog Driver/Transmitter/ Translator System Component Upconverter Details System Control Details Driver and PA Details Ext. Power Amplifier Modules Details (Only in high power systems). Will indicate Amp Set and Module within the Set. Will step through each Set and Module. Chapter 3, Site Considerations, Installation and Setup Procedures Parameter AFC 1 LEVEL AFC 2 LEVEL PLL 1 CIRCUIT PLL 2 CIRCUIT AGC 1 LEVEL AGC 2 LEVEL INT.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Pressing ENT will put you into the Transmitter Set Up Screens for Menu 40. A safeguard is added to the Set Up Menus in software version 2.5 and above. If a change is made to a screen within the Set Up Menus, when you go to the next menu, a new screen asks if you accept the change or want to return to the previous menu to reconsider the changes made.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-27: Menu 40-3 - Transmitter Set-up: Receiver Channel Configuration 0 3 ↓ R P I E L F C L ↑ E = R I E V 7 ( C E 4 + E R 5 ) I V E . 0 E 1 S R C H M H C 5 2 z > This screen of the transmitter allows access to transmitter frequency set-up parameters. The choices of this screen are as follow. NOTE: The above screen will only be present if a Receiver is part of the system.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-31: Menu 40-7 - Transmitter Set-up: System Visual Power Calibration This screen is used to adjust the calibration of the system's visual power. A symbol placed under the '6' character is used to show major changes in the calibration value. When the calibration value is at full value, the character will be full black. As the value decreases, the character pixels are gradually turned off.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-35: Menu 40-11 - Transmitter Set-up: Aural Deviation Calibration In analog systems this screen is used to adjust the calibration of the system's aural deviation detector. The calibration value symbol is again used to graphically represent the aural deviation detector's calibration value.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-39: Menu 40-15 - Transmitter Set-up: Auto Stand-By Control Certain LX transmitter locations are required to reduce to no output power on the loss of video input. When a LX transmitter is configured for Auto Stand-By On Modulation Loss, the transmitter will switch to stand-by, if a modulated input signal fault is detected by the IF Processor module that lasts for more than ten seconds.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-43: Menu 40-19 - Transmitter Set-up: Remote Commands Control This screen is used to allow or deny the use of remote control commands. When disabled, remote commands are not used. Remote commands are commands received either through the rear terminal blocks or through serial messages.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions Chapter 4 Circuit Descriptions 4.0 (Optional) Exciter Switcher Tray, (110 VAC 1305727 or 220 VAC 1305715); Appendix B) 4.1 (A1) Receiver Module (1304002; Appendix B) NOTE: Not present in a transmitter system. NOTE: Part of a dual exciter system. 4.0.1 Exciter Switcher Control Board (220 VAC 1305704 or 110 VAC 1305725; Appendix B) 4.1.
UHF Analog Driver/Transmitter/ Translator U1, CR4 and its associated components, varies the gain of the pin attenuator on the front end of the board to maintain a constant output level. The pin attenuator has an overall adjustment range of approximately 50 dB. There is a comparator that looks at the pin attenuator voltage and generates an alarm if the pin attenuator is close to running out of range. This alarm is likely to occur if the RF input signal to the receiver is weak or missing.
UHF Analog Driver/Transmitter/ Translator jumper W1 on J2 to the Bias off position, between pins 2 & 3, to prevent possible damage to the test equipment. The amplifier consists of two cascaded stages, which provide approximately 27 dB of gain across the UHF band. 4.2 (A2) Modulator Module (1301929; Appendix B) NOTE: May not be present in a translator system. 4.2.1 Analog Modulator Board (1301797; Appendix B) The board takes the audio and video inputs and produces a modulated visual IF + aural IF output.
UHF Analog Driver/Transmitter/ Translator input matching impedance of 75Ω that can be eliminated by removing the jumper W15 from pins 1 and 2 on J28. The SCA input is bandpass filtered by C73, C74, R145, C78, C79, and R146 and is fed to the buffer amplifier U13D. The amplified signal is then applied though the SAP/PRO, SCA gain pot R150, accessed through the front panel, to the summing point at pin 9 of U13C. 4.2.1.4 Audio Modulation of the 4.
UHF Analog Driver/Transmitter/ Translator the circuitry that generates an amplitude-modulated vestigial sideband visual IF signal output that is made up of the baseband video input signal (.5 to 1 Vpk-pk) modulated onto a 45.75 MHz IF carrier frequency. The visual IF signal and the aural IF signal are then combined in the diplexer circuit to produce the visual IF + aural IF output, “G”, that is connected to J41C pin 28C the Combined IF output of the board. 4.2.1.
UHF Analog Driver/Transmitter/ Translator in manual position, between pins 1 and 2, the adjustable resistor R67 provides the manual clamp bias adjustment for the video that connects to U5C. This level is set at the factory and is not adjustable by the customer. In Manual clamp the peak of sync auto clamp circuit will not automatically be clamped to the pre set level. 4.2.1.
UHF Analog Driver/Transmitter/ Translator for offset and precise frequency 45.74 or 45.76 MHz, connects to the board. The external IF CW Input connects at J41A pin 32A and is connected to J19 and through the external cable assembly W10 back to the board at J20. The external IF CW input is split on the board. One branch connects through C157 to a buffer amplifier Q20 to the K2 relay at pin 14. The other path is through C152 to the amplifier U23A.
UHF Analog Driver/Transmitter/ Translator summing circuit at the common connection of L17 and L16. The Aural IF and Visual IF signals are combined through L16 and L17. The frequency response of the combined 41.25 MHz + 45.75 MHz signal is set by R238 and R239 and associated components. The corrected combined IF signal is amplified by U25 and connected to a splitter matching network consisting of T3 and T4. One part of signal connects to J10, the 41.25 MHz + 45.
UHF Analog Driver/Transmitter/ Translator 4.3.1.3 Main IF Signal Path (Part 1 of 3) The selected IF input (-6 dBm average) signal is split, with one half entering a bandpass filter that consists of L3, L4, C4, L5, and L6. This bandpass filter can be tuned with C4 and is substantially broader than the IF signal bandwidth. It is used to slightly steer the frequency response of the IF to make up for any small discrepancies in the frequency response in the stages that precede this point.
UHF Analog Driver/Transmitter/ Translator level increases, until normal output power is reached. The input level at TP3 is also fed to a pulse detector circuit, consisting of IC U8, CR17, Q3, and associated components, and then to a comparator circuit made up of U9C and U9D. The reference voltage for the comparators is determined by a voltage divider consisting of R243, R65, R66, and R130, off the -12 VDC line.
UHF Analog Driver/Transmitter/ Translator +12 VDC line, and through R5, CR1, CR2, and R9, biases series element CR3 off and shunt elements, diodes CR1 and CR2, on, causing them to act as relatively low-value resistors. This represents the maximum attenuation case of the pin attenuator (minimum signal output). By controlling the value of the voltage applied to the pin diodes, the IF signal level is maintained at the set level. 4.3.1.
UHF Analog Driver/Transmitter/ Translator all of the breakpoints past the signal peaks so that they will have no affect. The pre-distorted IF signal in the In Phase path, connects to an op amp U18 whose output level is controlled by R238. R238 provides a means of balancing the level of the amplitude pre-distorted IF signal that then connects to the combiner Z2.
UHF Analog Driver/Transmitter/ Translator 8 power raise and TB30-9 power lower, on the rear of the exciter/amplifier chassis. The ALC voltage is set for .8 VDC at TP4 with a 0-dBm output at J42C pin 1C of the module. A sample of the ALC at J42C pin 11C, is wired to the Control Monitoring/Power Supply module where it is used on the LCD display and in the AGC circuits.
UHF Analog Driver/Transmitter/ Translator temperature compensates for the two diodes in each corrector stage. 4.4 (A5) VHF/UHF Upconverter Module (1303829; Appendix B) This module contains the Downconverter Board Assembly, the First Conversion Board, LX Series, L-Band PLL Board, LX Series and the Upconverter Control Board, LX Series. This module takes an external IF and converts it to the final RF output frequency using two internally generated local oscillator frequencies. 4.4.
UHF Analog Driver/Transmitter/ Translator rejection mixer consisting of U1, U2, U3 and U6. The 44 MHz IF input is connected to the board at J2, and then to the image rejection mixer. This mixer converts the 44 MHz input to an output frequency of 1044 MHz. The output of the mixer is amplified by U4 and applied to a band pass filter consisting of C2-C4 and some microstrip line sections. This filter rejects any LO leakage at 1 GHz and also any unwanted out of band products.
UHF Analog Driver/Transmitter/ Translator 4.5 (A4) Control Monitoring/Power Supply Module (110 VAC, 1301936 OR 220 VAC, 1303229;Appendix B) The Control Monitoring/Power Supply Module Assembly contains (A1) a Power Protection Board (1302837), (A2) a 600 Watt Switching Power Supply, (A3) a Control Board (1302021), (A4) a Switch Board (1527-1406) and (A5) a LCD Display.
UHF Analog Driver/Transmitter/ Translator The -12 VDC is divided into two separate circuits each with a 3 amp self resetting fuse, PS1 and PS2. PS1 protects the -12 VDC 2 Amp circuits for the System through J63 pins 1, 2, 3 and 4. If this circ uit is operational, the Green LED DS1, mounted on the board, will be lit PS2 protects the -12 VDC 2 Amp circuits for the Remote through J62 pins 1, 2, 3 and 4.
UHF Analog Driver/Transmitter/ Translator Digital output latch circuits are used to control system devices. Remote output circuits are implemented using open drain FETs, Q13, Q14, Q16, and Q17, with greater than 60 Volt drain to source voltage ratings. Remote digital inputs are diode protected, using CR6, CR7, CR8 and CR9 with a 1 kO pull-up resistor, to +5 VDC.
UHF Analog Driver/Transmitter/ Translator With the LED control line HIGH, the MOSFET is On, which causes the base of the transistor go toward ground potential, reverse biasing the transistor. With the transistor reverse biased, no current through the transistor and LED, therefore the effected LED will not light. A third color, amber, can also be generated by having both transistors conducting, both control lines LOW.
UHF Analog Driver/Transmitter/ Translator The RF from the Upconverter Module Assembly connects from the Upconverter RF Output BNC Jack J23, through a cable, to the PA RF Input BNC Jack J24, located on the rear of the exciter/amplifier chassis assembly. 4.6.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions 3 dB Coupler Z 802 V 810 V 811 C 800 3 dB Coupler Z 803 R 802, ..4, ..
UHF Analog Driver/Transmitter/ Translator terminations, used as dissipation loads, connect to the reject and reflected ports, J5 and J4, of the coupler. 4.6.6 (A5) Amplifier Control Board (1303682 or 1301962; Appendix B) The amplifier control board provides LED fault and enable indications on the front panel of the module and also performs the following functions: overdrive cutback, when the drive level reaches the amount needed to attain 110% output power; and overtemperature, VSWR, and overdrive faults.
UHF Analog Driver/Transmitter/ Translator to provide gate voltage to Q10 that is 5 volts greater than the source pin of this FET. The gate of Q10 can be turned Off by any one of a few different circuits. U10A is used to turn Off the gate of Q10 in the event of high current in amplifier #1. At 0.886 VDC the current to amplifier #1 should be greater than 5 Amps. U11B is used to turn off the Q10 FET, if high current is detected in amplifier #2.
UHF Analog Driver/Transmitter/ Translator A Reflected Power Sample enters the board at SMA Jack J5 and is detected by CR20 and the DC level amplified by U28B. The output of U28B at pin 7 is connected through the reflected calibration pot R163 to U28C. The output is split with one part connected to J9 pin 5, the Reflected Power Output level of the board. The other part of the split from U28C connects to the comparator IC U28D that has a reference level connected to the other input.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions a 1kW system with an input signal of +6 dBm at J1 of the assembly, an output of +23 dBm can be expected at J2. In a 2kW system an input signal of +6 dBm provides an output of +23 dBm. devices. Each HFET has approximately 14 dB of gain. The drain voltage needed to operate each HFET is obtained from the +12 VDC line that connects to the board at J5 and is regulated down to +8.25 volts by U4.
UHF Analog Driver/Transmitter/ Translator 4.7.3 (A2) 40 Watt UHF Amplifier Assembly (1304490; Appendix B) (NOTE: Used in 1kW Systems) The output of the UHF filter is connected to the input J1 of (A2) the 40 Watt UHF amplifier assembly (Figure 4-3). The assembly is made up of a (51-5378-30800) module, which operates class AB and is a highly linear broadband amplifier for the frequency range of 470 to 860 MHz. It can deliver an output power of 40 watts (CW) with approximately 13 dB of gain.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions following functions: overdrive cutback, when the drive level reaches the amount needed to attain 110% output power; and overtemperature, VSWR, and overdrive faults. The board also provides connections to the LCD Display for monitoring the % Reflected Power, % Output Power, and the power supply voltage. Upper left corner U3 is used to determine where the amplifier control board is located.
UHF Analog Driver/Transmitter/ Translator At 0.886 VDC the current to amplifier #1 should be greater than 5 Amps. U11B is used to turn off the Q10 FET, if high current is detected in amplifier #2. U11A is used to turn off the Q10 FET, if high current is detected in amplifier #3. With 2.257 VDC at Pin 5 of U11B or Pin 3 of U11A, the voltage output of current sense amplifier U17 or U18 at high current shut down should be greater than 15 Amps.
UHF Analog Driver/Transmitter/ Translator output of U28B at pin 7 is connected through the reflected calibration pot R163 to U28C. The output is split with one part connected to J9 pin 5, the Reflected Power Output level of the board. The other part of the split from U28C connects to the comparator IC U28D that has a reference level connected to the other input. If the reflected level increases above the reference level a low output is produced and connected to the Reflected Power Shutdown circuit at CR28.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures Chapter 5 Detailed Alignment Procedures This transmitter/translator was aligned at the factory and should not require additional adjustments to achieve normal operation. chassis must be removed. These two cables and also a 6/32” x ½” shipping screw, located between the two connectors, must be removed before the module will slide out.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures factory with the readings on each of the modules. The readings should be very similar. If a reading is way off, the problem is likely to be in that module. Verify that all LEDs located on the front panel of the Receiver are Green. The following details the meaning of each LED: Switch On the main AC for the system. PLL 1 Fault (DS6) - Displays the status of the Local oscillator PLL 5.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures VISUAL UNLOCK (DS6) – Red Indicates that the Nominal 45.75 MHz visual IF is unlocked from the 10 MHz reference. the ±25 kHz deviation on the front panel screen. STEREO SET UP: The modulator was factory set for a ±75 kHz deviation with a stereo, composite, audio input of 1 Vpk-pk.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures 5.2.4 VHF/UHF Upconverter Module Assembly Setting the Auto AGC With the transmitter in Standby, preset the AGC pot on the Upconverter full Counterclockwise. Preset the AGC Cutback pot on the Upconverter full Clockwise. Move the Man/Auto Gain Switch on the Upconverter to the Right, Auto. Switch the transmitter to Operate and slowly adjust the AGC pot until the desired output power has been reached.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures channel that the upconverter is on. The channel number should be blinking. Enable position, on pins 2 & 3. This is the normal operating position. To change the channel, hit the + button to step through the channels until the desired channel is reached.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures 5.2.8 Frequency Response Delay Equalization Adjustment no aural present by removing the aural IF carrier jumper on the back of the chassis assembly. Connect a sync and black test signal to the video input jack of the test modulator. Switch the transmitter to Operate. NOTE: Perform the following procedure only if a frequency response delay equalization problem is suspect.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures should be present on the LCD Display. Reconnect the load to J4 in the module. Support Department before attempting to tune the filters. After this calibration is completed, move switch SW1 on the upconverter module to the Automatic AGC position. This is the normal operating position for the switch. Adjust the ALC pot on the IF Processor is needed to attain 100% output power.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures Figure 5-2. Bandpass Filter 5.4 (A10) UHF Trap Filter Assembly to Tune the Notch Frequency. The Depth of the Notch is set by the gap between the Center Conductor of the Trap Section and the Center Conductor of the Main Line. Tight Coupling makes a Deep Notch, while Loose Coupling makes a Shallow Notch. The Traps on the output Trap Filter are labeled with their Center Frequency relative to the Frequency of the Carrier.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures MAJOR TUNING, such as changing the Notch Depth or moving the Notch Frequency more than 1 MHz, the Outer Conductor and the Center Conductor of the Trap Section must both be moved. This requires a RF Sweep Generator to accomplish. Apply the Sweep signal to the Input of the Trap Filter and monitor the Output.
APPENDIX A LX SERIES ANALOG SYSTEM SPECIFICATIONS
Innovator LX (Preliminary) Low Power Transmitter 10W-6kW Designed to provide broadcasters with a product that will meet their needs like no other solution on the market, this new low to medium power transmitter line uses the latest LDMOS devices for broadband operation across the entire UHF band. This allows users to minimize spare parts stock, which is especially important to group owners and networks, and also enables simple and inexpensive channel changes.
Innovator LX (Preliminary) Low Power Transmitter 10W - 6kW Visual Performance Visual Performance (continued) Frequency Range 470 to 806 MHz Carrier Stability (Transmitters) Standard ±1 kHz Optional ±350 Hz w/PFC ±1Hz Frequency Translation Stability (Translators) Standard ±1 kHz Optional ±350 Hz w/PFC ±1Hz Regulation of RF Output Power 3% Output Variation (Over 1 Frame) 2% Sideband Response -1.25 MHz and below -20 dB -0.75 to -0.5 MHz +0.5 db, -2 dB -0.5 to +3.58 MHz ±0.5 dB +3.58 MHz to +4.18 MHz +0.
APPENDIX B DRAWINGS AND PARTS LISTS
UHF Analog Driver/Transmitter Appendix B Drawings and Parts Lists Innovator LX Series Analog System LX Series 10W to 100W System Block Diagram.....................................1302139 Chassis Assembly, 110 VAC Exciter, V2, LX Series Interconnect.................................................................................1304064 OR Chassis Assembly, 220 VAC Exciter, V2, LX Series Interconnect.................................................................................
UHF Analog Driver/Transmitter Appendix B Drawings and Parts Lists Power Amplifier Assembly, (Used as the final PA in 10-100 Watt Systems or as the Driver PA in Systems above 2kW) (The Driver PA Assemb ly 1303771 is used in 1kW Systems or the Driver PA Assembly 1303874 is used in 2kW Systems) Block Diagram................................................................................1303850 Interconnect.................................................................................
APPENDIX C TRANSMITTER LOG SHEET
UHF LX Series Driver/Transmitter/Translator Appendix C, Log Sheet DUAL EXCITER OPTION EXCITER A SELECTED AS THE ON AIR EXCITER DESCRIPTION OF TRANSMITTER READING FROM EXCITER A PARAMETER LCD DISPLAY Model Number Code Version Firmware Number OUTPUT MEASUREMENTS % VISUAL POWER % AURAL POWER RECEIVER DETAILS NOT USED WITH TRANSMITTER AFC 1 LEVEL PLL 1 CIRCUIT ALC INPUT FAULT AT MODULATOR DETAILS PLL CIRCUIT OUTPUT LEVEL AURAL DEVIATION CW INPUT CALL SIGN MAY NOT BE USED WITH TRANSLATOR IF PROCESSOR DETAI
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER A LCD DISPLAY SYSTEM CONTROL DETAILS Power Supply Enable For DRIVER AND PA DETAILS POWER SUPPLY STATE, 32V FORWARD POWER REFLECTED POWER AMP 1 CURRENT AMP 2 CURRENT TEMPERATURE CODE VERSION EXT. PA AMPLIFIER MODULES AMP SET 1 MODULE 1 ONLY IN HIGH POWER SYSTEMS Will indicate Amp Set and Module within the Set. Will step through each Set and Module.
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER A LCD DISPLAY AMP SET 1 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 2 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 2 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER A LCD DISPLAY AMP SET 2 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 3 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 3 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER A LCD DISPLAY AMP SET 3 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 4 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 4 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER A LCD DISPLAY AMP SET 4 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 5 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 5 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER A LCD DISPLAY AMP SET 5 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 6 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 6 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER A LCD DISPLAY AMP SET 6 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION NOTE: The previous Log Sheet readings can be taken from the System Details Screen, Menu 30-1, on the 4 x 20 Display located on the front of the Control & Monitoring/Power Supply Module in Exciter A, with Exciter
UHF LX Series Driver/Transmitter/Translator Appendix C, Log Sheet DUAL EXCITER OPTION EXCITER B SELECTED AS THE ON AIR EXCITER DESCRIPTION OF TRANSMITTER READING FROM EXCITER B PARAMETER LCD DISPLAY Model Number Code Version Firmware Number OUTPUT MEASUREMENTS % VISUAL POWER % AURAL POWER RECEIVER DETAILS NOT USED WITH TRANSMITTER AFC 1 LEVEL PLL 1 CIRCUIT ALC INPUT FAULT AT MODULATOR DETAILS PLL CIRCUIT OUTPUT LEVEL AURAL DEVIATION CW INPUT CALL SIGN MAY NOT BE USED WITH TRANSLATOR IF PROCESSOR DETAI
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER B LCD DISPLAY SYSTEM CONTROL DETAILS Power Supply Enable For DRIVER AND PA DETAILS POWER SUPPLY STATE, 32V FORWARD POWER REFLECTED POWER AMP 1 CURRENT AMP 2 CURRENT TEMPERATURE CODE VERSION EXT. PA AMPLIFIER MODULES AMP SET 1 MODULE 1 ONLY IN HIGH POWER SYSTEMS Will indicate Amp Set and Module within the Set. Will step through each Set and Module.
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER B LCD DISPLAY AMP SET 1 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 2 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 2 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER B LCD DISPLAY AMP SET 2 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 3 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 3 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER B LCD DISPLAY AMP SET 3 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 4 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 4 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER B LCD DISPLAY AMP SET 4 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 5 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 5 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER B LCD DISPLAY AMP SET 5 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 6 MODULE 1 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION AMP SET 6 MODULE 2 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM EXCITER B LCD DISPLAY AMP SET 6 MODULE 4 POWER SUPPLY VOLTAGE, 32V 32V SUPPLY FORWARD POWER REFLECTED POWER AMP CURRENT 1 AMP CURRENT 2 AMP CURRENT 3 AMP TEMPERATURE CODE VERSION NOTE: The previous Log Sheet readings can be taken from the System Details Screen, Menu 30-1, on the 4 x 20 Display located on the front of the Control & Monitoring/Power Supply Module located in Exciter B, with