INSTRUCTION MANUAL Innovator LX Series UHF Analog Driver 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 or VHF Mixer/PLL Board .........................................................4-2 4.1.
UHF Analog Driver/Transmitter/Translator Table of Contents TABLE OF CONTENTS - (Continued) SECTION PAGE 4.6 Exciter PA Module used in 1-100Watt Xmitters. or Drivers above 2kW....... 4-20 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.................................................. 4-21 4.6.
UHF Analog Driver/Transmitter/Translator Table of Contents TABLE OF CONTENTS - (Continued) SECTION PAGE 5.11.1 Effects of Tuning the Output Trap Filter....................................... 5-12 APPENDICES APPENDIX A LX SERIES SPECIFICATIONS APPENDIX B LX SERIES DRAWINGS LX Series, Rev.
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 2-2 Exciter/Driver Chassis Assembly Front View ......................................2-1 Example of switching and displayed count with two faulted exciters.....2-2 Exciter/Driver Chassis Assembly Rear View ..................................... 2-18 3-1 3-2 3-3 3-4 1 kW Minimum Ventilation Configuration.............
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 2-29 PAGE LX Series Trays and Assemblies .......................................................2-1 Receiver Front Panel Switch.............................................................2-4 Receiver Front Panel Status Indicators..............................................
UHF Analog Driver/Transmitter/Translator Table of Contents LIST OF TABLES – (Continued) TABLE 3-19 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 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 This manual explains the installation, setup, alignment, and maintenance procedures for the Innovator LX Series UHF analog modular driver/transmitter/ translator for the Innovator LX Series transmitter. It is important that you read all of the instructions, especially the safety information in this chapter, before you begin to install or operate the unit.
UHF Analog Driver/Transmitter/Translator 1.3 Safety Chapter 1, Introduction 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 The RMA# 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 Chapter 1, Introduction Note: Because of possible FCC assigned offset, check for the assigned Carrier Frequency as written on License. UHF Channels NTSC Standard IF, 45.75 MHz Visual Carrier Frequency (MHz) L.O. (MHz) Crystal Frequency (MHz) Channel Nominal Minus Plus Nominal Nominal Minus Plus 14 471.25 471.24 471.26 517.00 64.625 64.62375 64.62625 15 477.25 477.24 477.26 523.00 65.375 65.37375 65.37625 16 483.25 483.24 483.26 529.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction Note: Because of possible FCC assigned offset, check for the assigned Carrier Frequency as written on License. UHF Channels NTSC Standard IF, 45.75 MHz L.O. (MHz) Visual Carrier Frequency (MHz) Crystal Frequency (MHz) Channel Nominal Minus Plus Nominal Nominal Minus Plus 43 645.25 645.24 645.26 691.00 86.375 86.37375 86.37625 44 651.25 651.24 651.26 697.00 87.125 87.12375 87.12625 45 657.25 657.24 657.26 703.
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) 43 644-650 645.25 648.83 649.75 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.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction dBm, dBw, dBmV, dBµV, & 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 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 1-12 2.
UHF Analog Driver/Transmitter/Translator Chapter 1, Introduction ABBREVIATIONS/ACRONYMS AC Alternating Current IF Intermediate Frequency AFC Automatic Frequency Control LED Light emitting diode ALC Automatic Level Control LSB Lower Sideband AM Amplitude modulation MPEG Motion Pictures Expert Group AGC Automatic Gain Control O/P Output AWG American wire gauge PLL Phase Locked Loop BER Bit Error Rate PCB Printed circuit board BW Bandwidth QAM Quadrature Amplitude Modulation D
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 Chapter 2, System Description, Maintenance & Remote Control Connections ASSEMBLY DESIGNATOR TRAY/ASSEMBLY NAME OR A6 Driver Amplifier Module, used in high power transmitters/ translators A11 (Optional) A14(500/1kW) or A29(2-6kW) Backplane Board, V2, LX Series PART NUMBER 1303771 (1kW UHF), 1303874 (2kW UHF) OR 1303770 (3kW & 4kW UHF) OR 1307761 (5kW & 6kW UHF) 1304047 Exciter Switcher Assembly (Used in dual exciter systems) 1305727 (110 VAC) OR 1305715 (22
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections Remote and front panel exciter changes are permitted during the 5 minute lockout of the automatic exciter changes. If the exciter switcher is placed into Manual mode, all exciter change counters and the lockout counter are cleared. indicate the number of seconds remaining in the 30 second countdown.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections The UHF/VHF 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. The RF input is applied first to the UHF/VHF preamplifier board, which filters off out of channel energy and amplifies the input signal.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections Table 2-3.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections Table 2-6. Modulator Front Panel Switch SWITCH FUNCTION When Manual Clamp is selected, the video level is set by the Manual Bias Pot R67 located on the board. (NOTE: The pot is factory set and needs no adjustment by the customer).
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections 2.1.3 (A3) IF Processor Module Assembly (1301938; Appendix B) the front panel display or a remote interface, an operator can set the RF output power level of the transmitter. The range of RF power adjustment is between 0% (full off) and 105% (full power plus). A front panel IF Processor module potentiometer sets the upper limit of RF power at 120%.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections transmitter will continue to operate at 25% output. is reported on the Control Monitoring board. When the IF Processor board detects an Input Signal Fault it automatically Mutes the transmitter. The system controller does not Mute on an IF Processor Input Fault. The IF Processor module Input Signal level is monitored.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections 2.1.4 (A5) VHF/UHF Upconverter Module Assembly (1303829; Appendix B) frequency centered at 1044 MHz. A filter selects the appropriate conversion product, which is then amplified to a level of approximately –4 dBm. The frequency of the first conversion LO1 can be shifted by ± 10 kHz to generate channel offsets of 10kHz. For +offsets the frequency is 999.
UHF Analog Driver/Transmitter/ Translator Table 2-15. VHF/UHF LED PLL 1 Fault (Red) PLL 2 Fault (Red) AGC Fault (Red) AGC Override (Red) Man Gain (Amber) Chapter 2, System Description, Maintenance & Remote Control Connections Upconverter Front Panel Status Indicators FUNCTION When lit it indicates that the 1 GHz PLL is unlocked When lit it indicates that the 1.1 –1.9 GHz PLL is unlocked When lit it indicates that the AGC is out of range.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections Table 2-18. Controller/Power Supply Display DISPLAY FUNCTION A 4 x 20 display providing a four-line readout of the internal LCD functions, external inputs, and status. See Chapter 3, Controller/Power Supply Display Screens, for a listing of displays. Table 2-19. Controller/Power Supply Status Indicator LED FUNCTION When lit it indicates that the transmitter is in the Operate Mode.
UHF Analog Driver/Transmitter/ Translator The Transmitter/Exciter 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. The RF power detector circuit outputs vary with operating frequency. These circuits must be calibrated at their intended operating frequency.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections Table 2-22.
UHF Analog Driver/Transmitter/ Translator R204 R205 Visual Offset Zero Aural Null In analog systems, the Aural power of an Exciter Driver Power Amplifier and the Aural power of any external PA amplifiers will not be reported by the system Control Monitoring module. Additionally the Visual power of these amplifiers, is reported as Forward Power just like in digital systems. In analog systems, aural and visual power will only be reported for the final system RF output.
UHF Analog Driver/Transmitter/ Translator Chapter 2, System Description, Maintenance & Remote Control Connections Table 2-26. Driver Amplifier Sample DISPLAY FUNCTION FWD SAMPLE RF sample of the amplified signal being sent out the module on J25. 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.
UHF Analog Driver/Transmitter/ Translator Operate Mode Operate mode is the normal mode for the transmitter when it is providing RF power output. To provide RF power to the output, the transmitter will not be in mute. Mute is a special case of the operate mode where the +32 VDC section of the power supply is enabled but there is no RF output power from the transmitter. This condition is the result of a fault that causes the firmware to hold the IF Processor module in a mute state.
UHF Analog Driver/Transmitter/ Translator operate. If this circuit is opened, the transmitter switches to a Mute condition. This circuit may be completed through coax relay contacts and reject load contact closures to assure the RF output 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.
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 components. The fans and heatsinks should be cleaned of all dust or dirt to permit the free flow of air for cooling purposes. sockets to make connections easier. Just grasp and pull connector straight out. After connections are made, replace the connector and push firmly to seat the connector in the socket.
UHF Analog Driver/Transmitter/ Translator Signal Name Pin Designations RMT Transmitter Interlock TB30-2 RMT Transmitter Interlock Isolated Return TB30-3 RMT AUX IO 1 TB30-4 RMT RF System Interlock TB30-5 RMT Transmitter Operate RMT Transmitter Stand-By 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 LX Series, Rev.
UHF Analog Driver/Transmitter/ Translator Signal Name Pin Designations 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 UC AGC #2 Voltage TB31-5 RMT Ground RMT Ground RMT +12 VDC RMT -12 VDC Chapter 2, System Description, Maintenance & Remote Control Connections Signal Type/Description Analog Input (0 to 1.00 V).
UHF Analog Driver/Transmitter/ Translator Signal Name Selected Exciter to Operate Pin Designations Chapter 2, System Description, Maintenance & Remote Control Connections Signal Type/Description TB1-5 0 = SET, NC = No Change TB1-6 0 = SET, NC = No Change TB1-7 0 = CLEAR, NC = No Change TB1-8 0 = CLEAR, NC = No Change TB1-9 NOT USED IN THIS CONFIGURATION TB1-10 NOT USED IN THIS CONFIGURATION Ground TB1-11 Ground Selected Operation TB1-12 0 = Auto, Open = Manual Selected Exciter TB1-13
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 NOTE: Typically the transmitter is shipped installed into a cabinet and the following sections may be skipped. Thoroughly inspect the cabinet, if purchased, chassis with modules and all other materials upon their arrival. Axcera certifies that upon leaving our facility the equipment was undamaged and in proper working order.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Shipping Screw Figure 3-2. Front and Rear View Reconnection Drawing 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.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures the terminal block and the AC Input Ground to Ground on the terminal block. terminated into a dummy load of at least the power rating of the transmitter. If a load is not available, check that the output of the trap filter is connected to the antenna for your system. 3.5.1 Input Connections The input connections to the transmitter or translator are to the rear of the Chassis Assembly.
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 J18 J25 J3 J24 J9 J15 SPARE J6 J23 J10 J4 J8 J19 J11 J32 J1 J33 Table 3-2: Rear Chassis Connections for the LX Series Analog Transmitter.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures 3.5.2 Initial Turn On Status Indicators: Once the unit has been installed and all connections have been made, the process of turning on the equipment can begin. First verify that AC power is present and connected to the transmitter. Verify all cables are properly connected and are the correct type. Once all of these things are done, the unit is ready to be turned on following the procedures below.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures MUTE: This indicator will illuminate Red when the transmitter is muted. 3.5.2.4 VHF/UHF Upconverter Module LEDs on Front Panel Fault Indicator: AGC FAULT: This illuminates Red if the required gain to produce the desired output level is beyond the value set by the AGC circuit. AGC out of range. AGC OVERRIDE: This illuminates Red if the drive to the driver module is too high.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Display Menu Screens for the (Optional) Exciter Switcher Tray Table 3-3: 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 3-8: 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 3-9: 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 typical display screens for the system and may vary depending on your system.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-16: Menu 11 - Error List Access Screen This screen of the transmitter shows the current number of system errors, displayed in upper, right of screen, shown above is System Errors 0. and provides operator access to view Menu 20, the error list screens, by pushing the ENT button if errors are indicated. .
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures The screen shown indicates a Modulator Module Interlock Fault, typically because the Modulator is not present. It also indicates that there are a total of eight faults. The other faults can be displayed by pushing the ↓ key button. To clear the displayed System Error, fault, that is no longer active, push the button under CLR. Repeat to clear each additional displayed System Error.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-22: Transmitter Device Parameters Detail Screens System Component Parameter Normal Receiver Details (Not used with transmitter.) Modulator Details (May Not be used with receiver.) IF Processor Details (Analog Systems) Upconverter Details System Control Details Driver and PA Details LX Series, Rev.
UHF Analog Driver/Transmitter/ Translator System Component 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.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Accept or Return to previous Menu Screen Pushing these two buttons Simultaneously will accept the change. Pushing these two buttons Simultaneously will return you to the previous Menu. The Set Up Screens are shown in Table 3-25 Menu 40-1 through Table 3-42 Menu 40-18 that follow.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-27: Menu 40-4 - Transmitter Set-up: Upconverter Channel Select Screen The choices of this screen are to the standard UHF / VHF channels. The + and – buttons change the desired channel of the transmitter. The PLL frequency is set for custom Offsets within the upconverter frequency. Any change to the channel is immediately set to the LO / Upconverter Frequency Synthesizer PLL circuit.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-31: Menu 40-8 - Transmitter Set-up: System Aural Power Calibration This screen is used to adjust the calibration of the system's aural forward power. A calibration value symbol is used for this screen as on the previous screen. Table 3-32: Menu 40-9 - Transmitter Set-up: System Reflected Power Calibration This screen is used to adjust the calibration of the system's reflected power.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-36: Menu 40-13 - Transmitter Set-up: Reflected Power Fault Threshold This screen is used to set the maximum reflected power fault threshold. When the transmitter is operating, it must not operate above this value otherwise the system will slowly begin to reduce the forward output power.
UHF Analog Driver/Transmitter/ Translator Chapter 3, Site Considerations, Installation and Setup Procedures Table 3-40: Menu 40-17 - Transmitter Set-up: Optional System Control This screen is used to set up any optional system, including the addition of the optional Modulator in a translator system. This feature is implemented in transmitter software version 2.0 and above.
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 (Optional) (A1) Receiver Module (VHF LB 1304000, VHF HB 1304001 or UHF 1304002; Appendix B) NOTE: Part of a dual exciter system. NOTE: Not present in a transmitter system. 4.0.1 Exciter Switcher Control Board (220 VAC 1305704 or 110 VAC 1305725; Appendix B) 4.1.
UHF Analog Driver/Transmitter/ Translator receiver, and the other output is connected to a peak detector and used by the ALC. The ALC circuit, consisting of 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.
UHF Analog Driver/Transmitter/ Translator and a dual stage preamplifier. The filters are tuned at the RF channel frequency and are about 8 MHz wide. They are intended to filter off the unwanted image product 88 MHz below the Channel center frequency. Each filter is a combination micro-strip lumped element filter. The center frequency of the filter is set byC10 and C11 for the input filter and C20 and C21 for the output filter on the UHF preamplifier.
UHF Analog Driver/Transmitter/ Translator that connects to the board at J41A Pin 14A (+) and J41A Pin 13A (-). NOTE: For the transmitter to operate using the composite audio input the Jumper W1 on J4 must be between Pins 2 and 3, the Jumper W2 on J6 must be between Pins 2 and 3 and the Jumper W4 on J5 must be between Pins 1 and 2. These jumpers connect the composite audio to the rest of the board.
UHF Analog Driver/Transmitter/ Translator 4.5 MHz VCO IC U16, which sets up a PLL circuit. The 4.5 MHz VCO will maintain the extremely accurate 4.5 MHz separation between the visual and aural IF signals. Any change in frequency will be corrected by the AFC error voltage. The PLL chip U21 also contains an internal lock detector that indicates the status of the PLL circuit. When U21 is in a "locked" state, pin 28 is high. If the 4.5 MHz VCO and the 45.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions This video level is wired to the Control/Power Supply assembly. 4.2.1.9 Main Video Signal Path (Part 2 of 2) 4.2.1.8 Sync Tip Clamp Circuit A sample of the clamped video output from the group delay circuitry at the junction of R44, R62 and R300 is connected to a white clipper circuit consisting of Q1 and associated circuitry. The base voltage of Q1 is set by the voltage divider network consisting of R1, R9 and R5.
UHF Analog Driver/Transmitter/ Translator Crystal Y1 operates in an oscillator circuit consisting of transistor Q24 and its associated components. Feedback that is provided by a voltage divider, consisting of C173, L38 and R295, is fed to the base of Q24 through C169. This circuitry operates the crystal in a common-base amplifier configuration using Q24.
UHF Analog Driver/Transmitter/ Translator modulated 41.25-MHz aural IF signal. The audio modulated 4.5 MHz from the 4.5 MHz VCO IC U16 connects, “J”, to the I input at pin 5 of Z1. The visual IF CW signal from L31 of the splitter connects to U28, where it is amplified and wired to pin 1, the L input of mixer Z1. The R output of the mixer at pin 4 is fed to a bandpass filter, consisting of L18-L21, L25-L28 and C136, C137 and C142-144, that is tuned to pass only the modulated 41.25-MHz aural IF signal.
UHF Analog Driver/Transmitter/ Translator from the receiver connects to the modulated IF input jack J42 Pin 21C. The modulator IF input connects to relay K3 and the receiver IF input connects to relay K4. The Modulator select enable/disable jumper W11 on J29 controls whether the Modulator Select command at J42 Pin 14C controls the operation of the relays. With the jumper W11 on J29 between pins 1 and 2, the external Modulator Select command at J42 Pin 14C controls the operation of the relays.
UHF Analog Driver/Transmitter/ Translator will overdrive the stages following this board when the input is restored. As part of the threshold detector operation, the minimum IF input level at TP3 is fed through detector CR15 to opamp IC U9A, pin 2. The reference voltage for the op-amp is determined by the voltage divider that consists of R50 and R51, off the +12 VDC line.
UHF Analog Driver/Transmitter/ Translator 4.3.1.5 Pin-Diode Attenuator Circuit The input IF signal is fed to a pin-diode attenuator circuit that consists of CR1, CR2 & CR3. Each of the pin diodes contains a wide intrinsic region; this makes the diodes function as voltagevariable resistors at this intermediate frequency. The value of the resistance is controlled by the DC bias supplied to the diode.
UHF Analog Driver/Transmitter/ Translator signal is applied to transformer T6, which doubles the voltage swing by means of a 1:4 impedance transformation. Resistors R222 and R225 form an L-pad that lowers the level of the signal. The input signal level, when it reaches a set level, causes the diodes CR24 and CR25 to turn on, generating current flow that puts them in parallel with the L-pad.
UHF Analog Driver/Transmitter/ Translator The frequency-response corrected IF is connected to J38 that is jumpered to J39 on the board. J38 can be used for testing or monitoring purposes of the IF signal after frequency response precorrection. The IF is next amplified by U13 and U14. After amplification, the IF is split with one path connected to J42C pin 1C the IF output to the LO/Upconverter Module.
UHF Analog Driver/Transmitter/ Translator 4.3.1.10 Fault Command The board also has circuitry for an external mute fault input at J42 pin 10C. This is a Mute command that protects the circuits of high-gain output amplifier devices against VSWR faults. This action needs to occur faster than just pulling the ALC reference down.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions 4.4.2 (A2) L-Band PLL Board (1303846; Appendix B) The output of the VCO is amplified by U10 and U11 and applied to a low pass filter before being connected to an image 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.
UHF Analog Driver/Transmitter/ Translator the external 10 MHz reference whenever it is present. The LED DS1 illuminates whenever the internal 10 MHz reference is used. The diode detector CR1 detects the presence of the 10 MHz external reference that connects to U2, which compares the detected level to a reference level and switches the relay whenever the reference is present. It also disables the internal oscillator whenever the external 10 MHz reference is being used.
UHF Analog Driver/Transmitter/ Translator One connects from each AC line to ground and one connects across the two lines. VR1 connects from J4 to J2, VR2 connects from J4 to J3 and VR3 connects from J2 to J3. 4.5.1.1 +12 VDC Circuits +12 VDC from the Switching Power Supply Assembly connects to J6 on the board. The +12 VDC is divided into four separate circuits each with a 3 amp self resetting fuse, PS3, PS4, PS5 and PS6. The polyswitch resettable fuses may open on a current as low as 2.
UHF Analog Driver/Transmitter/ Translator Pin 4 (IN) < Pin 2 (Vcc). The watchdog momentarily resets the microcontroller, if Pin 6 (ST) is not clocked every second. A manual reset switch S1 is provided but should not be needed. Diodes DS1 through DS8 are used for display of auto test results. A test board is used to execute self test routines. When the test board is installed, Auto_Test_1 is held low and Auto_Test_2 is allowed to float at 5 VDC. This is the signal to start the auto test routines.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions are calibrated at their source, however two dual serial potentiometers ICs are used to calibrate four signals, System Visual/Average Power, System Aural Power, System Reflected Power and the Spare AIN 1. For these four circuits, the input value is divided in half before it is applied to an op-amp. The serial potentiometer is used to adjust the output signal level to between 80 and 120% of the input signal level.
UHF Analog Driver/Transmitter/ Translator again, a different source is selected. This occurs for each push button. Refer to Chapter 3 Section 3.5.3, for more information on the Display Menu Screens. 4.5.4 (A2) Switching Power Supply Assembly The power supply module contains a switching power supply, an eight position terminal block for distributing the DC voltages, a three position terminal block to which the AC Input connects.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions (1302891) and provides approximately +17 dB of gain. The output of the UHF filter is connected to the input J1 of (A2) the 40 Watt UHF amplifier assembly (Figure 4-1). 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 14 dB of gain.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions V1 Z3 Matching Network RF Input Z5 Matching Network 3 dB Coupler Z1 3 dB Coupler Z2 Dynamic Equalization R 10 R9 R2 N1 R 11 +Uop RF Output R 12 R1 Matching Network Z4 Matching Network Z6 V2 Figure 4-2. UHF Amplifier Module, 250 Watts 4.6.4 (A3) UHF Module Assembly, RF Module Pallet, Philips (1300116; Appendix B) The UHF Module Assembly is used in the 1303770 Amplifier Assembly.
UHF Analog Driver/Transmitter/ Translator half will be described. The drain voltage is connected to ½ of Q1 through L3, an RF Isolation Network, and is RF bypassed by C14-C16 and C26. The +28 VDC is also used to produce the source bias voltage to both halves of Q1. The +28 VDC is connected through R5 to the Bias Adjust pot R3 to the Source of Q1. The Bias Adjust Pots R3 and R4 are adjusted to apply the idling current, no RF applied, to each side of Q1.
UHF Analog Driver/Transmitter/ Translator The RF input to the UHF coupler assembly, from the UHF amplifier module, connects to SMA jack J1. The RF is connected by a stripline track to the SMA type connector RF Output jack J2. A hybrid-coupler circuit picks off a power sample that is connected to SMA type connector jack J3 as the forward power sample. Another power sample is taken from the coupler circuit that is connected to the SMA type connector jack J6 as the reflected power sample.
UHF Analog Driver/Transmitter/ Translator 0.14 amps of power using its 92 C/W rating if Ta = 60°C max and Tj = 125°C max 0.26 amps can be obtained from U22 if the mounting pad is 0.5 square inches. The controller will not need this much current. U23 and U24 are low drop out +5 VDC, voltage regulators with a tolerance greater than or equal to 1%. 100mA of current is available from each device but again the controller will not need this much current. In the upper left section are circuits with U12 and U13.
UHF Analog Driver/Transmitter/ Translator which is not used in a digital transmitter. The other split output connects to U265A that is part of the Forward Average Power circuit. The detected level is connected to L4 that is part of an intercarrier notch filter circuit that is tuned to eliminate the 4.5 MHz aural intercarrier, if present. The Average power sample is amplified by U26D and connected through the average calibration pot R166 to U26C.
UHF Analog Driver/Transmitter/ Translator Chapter 4, Circuit Descriptions 4.7.1 (A1) 1-Watt UHF Module Assembly (1302891; Appendix B) in 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.
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 AURAL UNLOCK (DS5) – Red Indicates that 4.5 MHz Aural IF is unlocked from the Nominal 45.75 MHz visual IF. VISUAL UNLOCK (DS6) – Red Indicates that the Nominal 45.75 MHz visual IF is unlocked from the 10 MHz reference. +10 dBm. If the reading is not at the correct level, adjust the MONO Audio Gain pot R110, located on the front panel of the modulator, as necessary, to attain the ±25 kHz deviation on the front panel screen.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures Switch the transmitter to Standby. The ALC is muted when the transmitter is in Standby. the desired % output power, as read on the LCD display, has been reached. The Manual AGC is now set. Normal operation of the Transmitter is in the Auto AGC position. 5.2.4 VHF/UHF Upconverter Module Assembly Switch the transmitter to Operate. Verify that all LEDs located on the front panel of the Upconverter are Green.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures 5.4 Changing the Transmitter Channel Procedure Transmitter Set-up: Upconverter Channel Select Screen NOTE: Depending on the new channel frequency, the bandpass filter may need to be retuned or replaced to achieve maximum output power.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures Accept or Return to previous Menu Screen • Sync + black 7.5 IRE setup/wattmeter=54.5 watts NOTE: The transmitter must have 40 IRE units of sync. Pushing these two buttons together will accept the change. Adjust R202, visual calibration, on the Amp Control board for 100% on the front panel LCD display in the % Visual Output position. (Examples of the screens are shown below).
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures Reinstall the PA Module. Switch the transmitter to operate. Adjust the reflected power calibration adjust pot R163 on the power amplifier module to a 10% reading. A reflected power fault should be present on the LCD Display. Reconnect the load to J4 in the module. is at 0.8 volts, which stays constant to control the loop around the correction. AGC1 is at RF and controls the loop to the output of the driver.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures Overdrive Protection Setup (AGC Cutback): Adjust the output power to 110%, 10% above 100%. Next, setup the overdrive cut-in by adjusting the AGC Cutback Pot. Slowly turn the AGC Cutback Pot, located on the front of the upconverter, Counterclockwise until the AGC Override light begins to flicker, and the output power begins to drop. Turn the pot Clockwise slightly, so the light just goes out and the power stabilizes.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures IF ALC Gain Pot for 100% Output. (Example of screen shown above). NOTE: On the IF processor board inside the module the correction enable/disable jumper W12 on J30 must be in the Enable position, on pins 2 & 3. This is the normal operating position. 5.7.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures 5.9 Frequency Response Delay Equalization Adjustment following sections on the Axcera manufactured Bandpass and Trap Filter Assemblies. 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 Figure 5-2. Bandpass Filter Table 5-1. Typical Bandpass Values FREQUENCY FV-4.5 FV-0.5 FV Fa FV+8.08 FV-9 2FV INSERTION LOSS (dB) ≥ 35 The Traps on the output Trap Filter are labeled with their Center Frequency relative to the Frequency of the Carrier. (For Example: The Traps labeled -4.5 MHz are tuned for a Center Frequency of 4.5 MHz Lower than the Frequency of the Visual Carrier.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures a Deep Notch, while Loose Coupling makes a Shallow Notch. Deepen the Notch, Shorten the Outer Conductor and pull the Center Conductor Out until the Notch is back in the same place. Move the Sections in the opposite direction to make a Shallow Notch. FINE TUNING of the Notches Center Frequency can be accomplished with the Tuning Bolts located on the side of the Filter Section.
UHF Analog Driver/Transmitter/ Translator Chapter 5, Detailed Alignment Procedures This completes the detailed alignment procedures for the LX Series transmitter. If a problem occurred during the alignment, help is available by calling Axcera field support at (724) 873-8100. LX Series, Rev.
APPENDIX A LX SERIES ANALOG SYSTEM SPECIFICATIONS
Pioneer (Preliminary) Low Power Transmitter 10W-2kW 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 devices for broadband operation across each 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.
Pioneer (Preliminary) Low Power Transmitter 10W - 2kW Visual Performance Visual Performance (continued) Aural Performance 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.
APPENDIX B DRAWINGS LIST
UHF Analog Driver/Transmitter/Translator Appendix B, Drawings and Parts Lists Innovator LX Series Analog System LX Series 10W Translator Block Diagram ............................................... 1307259 LX Series 10W to 100W System Block Diagram ...................................... 1302139 LX Series Analog Transmitter/Translator System Interconnect.................. 1307260 Chassis Assembly, 110/220 VAC Exciter, V2, LX Series Interconnect .............................................................
UHF Analog Driver/Transmitter/Translator Appendix B, Drawings and Parts Lists Switch Board Schematic ....................................................................................... 1527-3406 Power Amplifier Assembly Block Diagram .................................................................................... 1303850 Interconnect ....................................................................................... 1303814 Driver Power Amplifier Assembly Block Diagram ........................
APPENDIX C TRANSMITTER LOG SHEET
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER DATE READINGS TAKEN Appendix C, Log Sheet TRANSMITTER READING FROM LCD DISPLAY Model Number Code Version Firmware Number OUTPUT MEASUREMENTS % VISUAL POWER % AURAL POWER RECEIVER DETAILS AFC 1 LEVEL PLL 1 CIRCUIT ALC INPUT FAULT AT NOT USED WITH TRANSMITTER MODULATOR DETAILS PLL CIRCUIT OUTPUT LEVEL AURAL DEVIATION CW INPUT CALL SIGN MAY NOT BE USED WITH TRANSLATOR IF PROCESSOR DETAILS INPUT SIGNAL STATE MODULATION INPUT IF DLC CONT
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM LCD DISPLAY DRIVER AND PA DETAILS POWER SUPPLY STATE, 32V FORWARD POWER REFLECTED POWER AMP 1 CURRENT AMP 2 CURRENT TEMPERATURE CODE VERSION PA HAS OPERATED FOR 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 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 PA HAS OPERATED FOR 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 PA HAS OPERATED FOR AMP SET 2 MODULE 2 POWER S
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM 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 PA HAS OPERATED FOR 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 PA HAS OPERATED FOR AMP SET 3 MODULE 2 POWER S
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM 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 PA HAS OPERATED FOR 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 PA HAS OPERATED FOR AMP SET 4 MODULE 2 POWER S
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM 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 PA HAS OPERATED FOR 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 PA HAS OPERATED FOR AMP SET 5 MODULE 2 POWER S
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM 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 PA HAS OPERATED FOR 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 PA HAS OPERATED FOR AMP SET 6 MODULE 2 POWER S
UHF LX Series Driver/Transmitter/Translator DESCRIPTION OF PARAMETER Appendix C, Log Sheet TRANSMITTER READING FROM 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 PA HAS OPERATED FOR 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.