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Extron electronic PA 300 manual

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Table of contents for the manual

  • Page 1

    User ’s Manual Peaking Amplifier 68-1108-01 B 12 08 P A 300 Fr ont cover[...]

  • Page 2

    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. Caution Re[...]

  • Page 3

    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໛ᴎ໇ݙ᳝ᲈ 䴆ⱘॅ䰽⬉य़ˈ᳝㾺⬉ॅ䰽DŽ ⊼ᛣ 䯙䇏䇈ᯢк • 䑩ㅸỀ䑩嬦嫿⡈↎⼆枼敆嬼⶷䍇 夤ㆁ㙊⫊₩⏍Ề䑩嬵㕏ɿ ֱᄬ䇈ᯢк • 䑩ㅸⷕ἞⪙⫊₩嬵㕏ᶧ[...]

  • Page 4

    [...]

  • Page 5

    i P A 300 Peaking Amplier • T able of Contents T able of Contents Chapter One • Introduction ................................................... 1-1 About this Manual .................................................................... 1-2 About the P A 300 ....................................................................... 1-2 Features [...]

  • Page 6

    ii P A 300 Peaking Amplier • 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.[...]

  • Page 7

    P A 300 1 Chapter One Intr oduction About this Manual About the P A 300 Features[...]

  • Page 8

    P A 300 Peaking Amplier • 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. About the P A 300 The P A 300 is an ultra high performance RGB peaking amplifier capable of driving a 1600 x 12[...]

  • Page 9

    P A 300 2 Chapter T wo Installation and Operation Installation Overview Mounting the P A 300 Front Panel Features Rear Panel Features Cabling[...]

  • Page 10

    P A 300 Peaking Amplier • 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. See "Mounting the P A 300", below . 3 Cable the in[...]

  • Page 11

    P A 300 Peaking Amplier • 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. Rack mounting For optional rack mounting, do not install the rubber feet. Mount the P A [...]

  • Page 12

    P A 300 Peaking Amplier • 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. 1/2 Rack Width F ront F alse Fa ceplate N Using screws longer than 3/16” will damage the unit and void the warran[...]

  • Page 13

    P A 300 Peaking Amplier • 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. 4 . Hold the P A 300 with the attached brackets agains[...]

  • Page 14

    P A 300 Peaking Amplier • 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 . Install the brackets as shown above. T ighten the screws only enough to [...]

  • Page 15

    P A 300 Peaking Amplier • 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. c Peaking control potentiometers — p[...]

  • Page 16

    P A 300 Peaking Amplier • 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 . The inputs of the P A 300 are BNC connectors. If the signal sourc[...]

  • Page 17

    P A 300 3 Chapter Thr ee Adjusting the Display Signal Compatibility Potentiometer Adjustments[...]

  • Page 18

    P A 300 Peaking Amplier • 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. Potentiometer Adjustments The P A 300 achieves superior amplification by using two independent peaking potentiometers: LF for streaking adjustment and[...]

  • Page 19

    P A 300 Peaking Amplier • 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 . Use the illustration below as a guide. 2. Adjust the LF (low frequency[...]

  • Page 20

    P A 300 Peaking Amplier • 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. 3. Adjust the HF potentiometer until both text and icon images appear sharp. When HF is o[...]

  • Page 21

    P A 300 A Appendix A Specifications, Part Numbers, and Accessories Specifications Parts[...]

  • Page 22

    P A 300 Peaking Amplier • Specications, 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 ............................... 0 to 4 dB at 10 MHz, adjustable H[...]

  • Page 23

    P A 300 Peaking Amplier • Specications, 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 ........................................ ±6 mV with input at 0 of fset Sync Input type .....[...]

  • Page 24

    P A 300 Peaking Amplier • Specications, 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 22.1 cm W x 15.2 cm D) (Depth excludes connectors.) Product weight ...........................[...]

  • Page 25

    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, 9.5" deep Basic Rack Shelf, RSB 129 60-604-01 1U, 6" deep Universal Rack S[...]

  • Page 26

    P A 300 Peaking Amplier • Specications, Parts, Accessories Specifications, Part Numbers, Accessories, cont’d A-6[...]

  • Page 27

    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. In the event of malfunction during the warranty period attributable directly to faulty workmanship and/or materials, Extron Electr onics will, at its option, repair or replace said pr o[...]

  • Page 28

    © 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 .9 19 .8 63 .1 79 4 +1 .9 19 .8 63 .1 79 7 FA X Ex tron Europe +8 00 .3 98 7. 66 73 I nside E[...]