UBS Axcera LU100AL 100-Watt UHF Translator User Manual

UBS-Axcera 100-Watt UHF Translator 366892

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Chapter 5

10W-100W UHF Translator Chapter 5, Detailed Alignment Procedures Pioneer, UHF Translator, Rev. 0 5-1 Chapter 5 Detailed Alignment Procedures This translator was aligned at the factory and should not require additional adjustments to achieve normal operation. This translator takes the On channel RF input to the Receiver Tray and converts it to the desired UHF On Channel RF Output at the systems output power level. If the (Optional) Modulator Kit is purchased, this translator can also operate using the baseband audio and video inputs or, if the (Optional) 4.5-MHz composite input kit is purchased, either a single composite video + 4.5-MHz input or separate baseband video and audio inputs. The exciter/amplifier of the Pioneer Series translator is of a Modular design and when a Module fails that module needs to be changed out with a replacement module. The replacement module can then be sent back to Axcera for repair. Contact Axcera Customer Service Department at 724-873-8100 or fax to 724-873-8105, before sending in any module. Module Replacement Module replacement on the Pioneer series products is a relatively simple process. All modules plug directly into the backplane board except for the power amplifier module, and in higher power units, the power supply and power amplifier modules, that plug into a blind mating connector. To replace a module, refer to the following procedure. Loosen the two grip lock connectors, located on the front panel, at the top and bottom of the module, counterclockwise until the module releases. The IF Processor, Upconverter and Controller/Power Supply can then be gently pulled from the unit. There are two cables connected to the rear of the Power Amplifier Module in the exciter/amplifier chassis assembly. These two cables must first be removed before the PA module will slide out. Slide the new module in place and make certain it connects to the backplane board. If the new module is a PA Module replace the two cables on the rear of the exciter/amplifier chassis assembly. If the new module does not slide in easily, verify it is properly aligned in the nylon tracks both top and bottom. Note: Each Module has an assigned slot and will not fit properly in the incorrect slot. Do not try to place a Module in the wrong slot as this may damage the slot or the connectors on the backplane board. Each module has the name of the module on the front, bottom for identification and correct placement. The Modules are placed in the unit from left to right; (1) Blank panel, (2) Modulator (for transmitters) or a Blank panel for a Translator, (3) IF Processor, (4) Upconverter, (5) Controller/Power Supply and (6) Power Amplifier. Initial Test Set Up Check that the RF output at the coupler is terminated into a dummy load of at least 100 watts. While performing the alignment, refer to the Test Data Sheet for the translator and compare the final readings from the factory with the readings on each of the modules or tray. The readings should be very similar. If a reading is way off, the problem is likely to be in that module or tray. Switch On both the main AC for the system and the ON/OFF circuit breaker located on the rear of the Receiver Tray.
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Document ID366898
Application IDR8xFNVYwOXdEjde33oBx3Q==
Document DescriptionChapter 5
Short Term ConfidentialNo
Permanent ConfidentialNo
SupercedeNo
Document TypeUser Manual
Display FormatMicrosoft Word - pdf
Filesize13.52kB (168961 bits)
Date Submitted2003-10-21 00:00:00
Date Available2003-12-01 00:00:00
Creation Date2003-10-21 14:14:29
Producing SoftwareAcrobat Distiller 5.0.5 (Windows)
Document Lastmod2003-10-21 14:14:29
Document TitleMicrosoft Word - 366898.DOC
Document CreatorPScript5.dll Version 5.2
Document Author: fcc
FCC ID Filing: OUSLU100AL

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