Gebruiksaanwijzing /service van het product PA 300 van de fabrikant Extron electronic
Ga naar pagina of 28
User ’s Manual Peaking Amplifier 68-1108-01 B 12 08 P A 300 Fr ont cover.
Pr ecautions This symbol is intended to alert the user of important opera ting an d maint enance (servi cing) i nstruc tions i n the literature provided with the equipment. This symbol is intended to alert the user of the presence of uninsulated dangerous voltage within the product’s enclosure that may present a risk of electric shock.
ᅝܼ乏ⶹ • Ё᭛ 䖭Ͼヺোᦤ⼎⫼᠋䆹䆒⫼᠋ݠЁ ᳝䞡㽕ⱘ᪡㓈ᡸ䇈ᯢDŽ 䖭Ͼヺো䄺ਞ⫼᠋䆹䆒ᴎݙ᳝ᲈ 䴆ⱘॅ䰽⬉य़ˈ᳝㾺⬉ॅ䰽DŽ ⊼ᛣ.
.
i P A 300 Peaking Amplier • T able of Contents T able of Contents Chapter One • Introduction ................................................... 1-1 About this Manual .................................................................... 1-2 About the P A 300 .
ii P A 300 Peaking Amplier • T able of Contents T able of Contents, cont’d 68-1108-01 B 12 08 All trademarks mentioned in this manual are the properties of their respective owners.
P A 300 1 Chapter One Intr oduction About this Manual About the P A 300 Features.
P A 300 Peaking Amplier • Introduction Intr oduction 1-2 About this Manual This manual contains information about the Extron P A 300 peaking amplifier , and includes information on how to install, operate and troubleshoot the unit.
P A 300 2 Chapter T wo Installation and Operation Installation Overview Mounting the P A 300 Front Panel Features Rear Panel Features Cabling.
P A 300 Peaking Amplier • Installation and Operation Installation and Operation 2-2 Installation Overview 1 Be certain the source device, the P A 300, and the output device are turned of f and disconnected from the power source. 2 If desired, mount the P A 300 in a rack or furniture.
P A 300 Peaking Amplier • Installation and Operation 2-3 T abletop use Four self-adhesive rubber feet are included with the P A 300. For tabletop use, affix one foot at each corner of the bottom side of the unit and place the unit in the desired location.
P A 300 Peaking Amplier • Installation and Operation Installation and Operation, cont’d 2-4 Use 2 mounting holes on opposite corners. (2) 4-40 x 3/16" Screws 1U Universal Rac k Shelf F ront fa lse fa ceplate uses 2 screws.
P A 300 Peaking Amplier • Installation and Operation 2-5 1 . Remove two screws fr om one side of the unit. Retain the screws for possible futur e use. 2 . Attach one bracket to the side of the unit, using the provided machine scr ews. 3 . Repeat steps 1 and 2 on the other side of the unit.
P A 300 Peaking Amplier • Installation and Operation Installation and Operation, cont’d 2-6 Through-desk mounting Mount the P A 300 through a desk or table, using the optional mounting kit (part # 70-077-02 ), as illustrated below . Through-desk mounting the P A 300 1 .
P A 300 Peaking Amplier • Installation and Operation 2-7 Front Panel Featur es GAIN PEAKING PA 300 PEAKING AMPLIFIER LF HF 1 2 3 a Power LED — Lights when the P A 300 is receiving power . b Gain control potentiometer — Adjusts the amount of compensation for amplitude losses caused by cable resistance.
P A 300 Peaking Amplier • Installation and Operation Installation and Operation, cont’d 2-8 Cabling The P A 300 is specifically designed for long cable run applications. For best results, install the amplifier close to the signal source to drive a long cable to the display .
P A 300 3 Chapter Thr ee Adjusting the Display Signal Compatibility Potentiometer Adjustments.
P A 300 Peaking Amplier • Adjusting the Displa Adjusting the Display 3-2 Signal Compatibility The P A 300 processes VGA-UXGA, RGBHV , RGBS, RGBsB, RsGsBs, HDTV , and component video signals.
P A 300 Peaking Amplier • Adjusting the Displa 3-3 Adjusting the peaking T o adjust the Peaking potentiometers, do the following: 1. Using MS Paint and a spreadsheet, cr eate a testing image on your PC desktop that includes squares, lines, text, and gradations of color .
P A 300 Peaking Amplier • Adjusting the Displa Adjusting the Display , cont’d 3-4 When the LF is under adjusted, the streaking is the inverse color of the image, as shown below . The potentiometer should be adjusted midway between these two extremes.
P A 300 A Appendix A Specifications, Part Numbers, and Accessories Specifications Parts.
P A 300 Peaking Amplier • Specications, Parts, Accessories Specifications, Part Numbers, and Accessories Specifications Video Gain ................................................ -2.5 to +3.5 dB (x0.75 to x1.4), adjustable; default = 0 dB Peaking/equalization Low frequency .
P A 300 Peaking Amplier • Specications, Parts, Accessories Minimum/maximum levels ........ Analog: 0.4 V to 2.0 Vp-p Impedance ...................................... 75 ohms Return loss ..................................... -32 dB @ 5 MHz DC offset .
P A 300 Peaking Amplier • Specications, Parts, Accessories Specifications, Part Numbers, Accessories, cont’d Enclosure dimensions .................. 1.7'' H x 8.7'' W x 6.0'' D (1U high, half rack wide) (4.3 cm H x 22.
A-5 Parts Included parts Included parts Replacement Part number P A300 60-755-01 IEC power cord Rubber feet (4) P A 300 Peaking Amplifier User's Manual Optional accessories Description Part Number 1U, 9.5" deep Universal Rack Shelf, RSU 129 60-190-01 1U, 9.
P A 300 Peaking Amplier • Specications, Parts, Accessories Specifications, Part Numbers, Accessories, cont’d A-6.
Extron’ s W arranty Extron Electr onics warrants this product against defects in materials and workmanship for a period of three years fr om the date of purchase.
© 2008 Extron Electronics. All rights reserved. Ex tron US A - We st Headquar te rs + 80 0.6 33 .9 87 6 I nside US A / Ca nada On ly +1 .7 1 4.4 91 .1 50 0 +1 .7 1 4.4 91 .1 51 7 FA X Ex tron US A - East + 800 .6 33 .9 87 6 I nside US A / Ca nada On ly +1 .
Een belangrijk punt na aankoop van elk apparaat Extron electronic PA 300 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Extron electronic PA 300 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Extron electronic PA 300 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Extron electronic PA 300 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Extron electronic PA 300 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Extron electronic PA 300 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Extron electronic PA 300 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Extron electronic PA 300 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.