klark teknik DN1414 Manual 电路图.pdf

Klark Teknik Group, Klark Teknik Building, Walter Nash Road, Kidderminster. Worcestershire. DY11 7HJ. England. Tel:+44 1562 741515 Fax:+44 1562 745371 Email: Website: OPERATORS MANUAL Version2 DN1414 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 DECLARATION OF CONFORMITY We, of,Klark Teknik Building, Walter Nash Road, Kidderminster, Worcestershire, DY11 7HJ Declare that a sample of the following product:- to which this declaration refers, is in conformity with the following directives and/or standards:- Signed:. Name: David Hoare Authority: Technical Director, Klark Teknik Group (UK) Plc Attention! Where applicable, the attention of the specifier, purchaser, installer or user is drawn to special limitations of use which must be observed when these products are taken into service to maintain compliance with the above directives. Details of these special measures and limitations to use are available on request and are available in product manuals. Klark Teknik Group (UK) Plc Walter Nash Road, Kidderminster, Worcestershire. DY117HJ. England Tel:(44)(0)1562741515. Fax: (44)(0)1562745371 CompanyRegistration No:2414018 ? ? SIGNAL PROCESSING BY DEFINITIONBETTERBYDESIGNDESIGNEDFOR APUREPERFORMANCE Product Type NumberProduct DescriptionNominal Voltage (s)CurrentFreq DN1414115VAC130mA50/60Hz 230VAC260mA Directive(s)Test Standard(s) Generic Standard Using EN55103 Limits and MethodsEN50081/1 Class B Conducted Emissions PaviEN55103 CLass B Radiated Emissions PaviEN55103 Fast Transient Bursts at 2KvEN61000-4-4 Static Discharge at 4KvEN61000-4-2 Electrical Stress TestEN60204 Date: 4th February, 2000 ASubsidiary of Telex communications, Inc. RadioFans.CN 收音机爱 好者资料库 Thank you for using a Klark Teknik product After you have unpacked Introduction Installation and Connection Basic operation Front Panel Rear Pane Rear panel blanking plate and iser multipole connectors Block Diagram Applications Appendices Specifications Schematics Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13 Contents . 1 Thank You For Using This Klark Teknik Product Cables: Electric Fields: To obtain maximum performance from this precision electronic product, please study these instructions carefully. Installation and operating the mic splitter is not complicated, but the flexibility provided by its operating features merits familiarisation with its controls and connections. This unit has been prepared to comply with the power supply requirements that exist in your location. Do not install this unit in a location subjected to excessive heat, dust or mechanical vibration. Connection is made by means of an IEC standard power socket. The rear panel text indicates the voltage range required for satisfactory operation of the unit. Before connecting this unit to the mains supply, ensure the fuse fitted is the correct type and rating is as indicated on the rear panel, adjacent to the fuse holder. This unit is fitted with 3-pin power socket: For safety reasons the earth lead should not be disconnected. Signal ground is referenced internally to chassis via a resistor capacitor network which provides earth loop immunity. To prevent shock or fire hazard, do not expose the unit to rain or moisture. To avoid electrical shock do not remove covers. Refer servicing to qualified personnel only. This product should only be used with high quality, screened twisted pair audio cables, terminated either with metal bodied 3-pin XLR connectors(with the cable screen connected to pin 1) or ” jacks.Any other cable type or configuration for the audio signals may result in degraded performance due to electromagnetic interference. Should this product be used in an electromagnetic field that is amplitude modulated by an audio frequency signal (20Hz to 20kHz), the signal to noise ratio may be degraded. Degradation of up to 60dB at a frequency corresponding to the modulation signal may be experienced under extreme conditions (3V/m, 90% modulation). Precautions Voltage Selection and Power Connection Safety Warning Attention! AfterYou Have Unpacked The Unit ? This Side Up 2 Save all the packing materials - they will prove valuable should it become necessary to transport or ship this product. Please inspect this unit carefully for any signs of damage incurred during transportation. It has undergone stringent quality control inspection and tests prior to packing and left the factory in perfect condition. If, however, the unit shows any signs of damage, notify the transportation company without delay. Only you, the consignee, may institute a claim against the carrier for damage during transportation. If necessary, contact your supplier or as a last resort, your Klark Teknik importing agent, who will fully co-operate under such circumstances. 3 Introduction TheDN1414MultipleDIModuleoffersacostandspace-effectivemethodofproviding14discretechannels of transformer-isolated direct injection. Housed in a rugged 3U rack enclosure, the DN1414 embodies the legendarysoundandreliabilityofKlarkTeknik. KeyFeatures iTen mono channels with XLR and jack inputs, link output jack and transformer -balancedXLRoutputs. ii. Two dual channels with jack inputs, link output jacks and transformer-balanced XLRoutputs iii.-30dBpad,-15dBattenuationonallchannels. iv. InternalpowersupplywithfactoryoptionofbackupPSU. v. Fiveyearinternationalfactorywarranty. The Klark Teknik DN1414 is an extremely high performance, 14-channel DI module housed in a 3U, rack mountingcasewithanintegralswitchmodepowersupplythatautomaticallyadaptstomainsvoltagesinthe range 100 to 240Volts (50 to 60Hz).Adual PSU is available as a factory fitted option.Applications include providingDIboxfeedstoservicemonitorandFOHconsolesaswellastofacilitatethemultitrackrecording ofliveevents. Each input feeds a superbly specified input stage, which can flexibly handle both line- and instrument-level signals.TheTRSjackandXLRinputsonchannels1-10areparallelconnected,andthecircuitdesignallows the DN1414 to handle either balanced or unbalanced signals without loss. A20k ohm input impedance is presentedwhentheXLRinputconnectorisused,thisimpedanceisswitchedoutwhenthejackinputisused, to avoid high-frequency loading effects when the DN1414 is used with unbuffered guitar pick-ups. All connectors are mounted on the front panel for easy access.Two pad/attenuator switches (-30dB and -15dB) may be used individuallyor in combinationto provide unity, -15 dB, -30 dB or 45 dB gain. EachDI channel outputisalsofittedwithagroundliftswitch. InstallationAnd Connection TheKlarkTeknikDN1414isdesignedforstandard19rackmountingandoccupies3Uofrackspace.Avoid mounting the unit directly above or below power amplifiers or power supplies that radiate excessive magnetic fields or heat. Ensure that the ventilation apertures on either side of the unit are not blocked or obstructed. This unit must be earthed. If ground loop problems are encountered, the ground lift switches on the channel outputs may be used. It is also permissible to disconnect the cable screen at one end or other of the output cables, though the signal input cable screen must be connected at both ends to ensure the phantom powering operatescorrectly. ThemainsfuseshouldbeT0.5L250V. Thetransformer-balancedoutputshaveamaximumsignalcapabilityof+18dB.Forunbalanceduse,pin3of anyoutputXLRmaybegroundedatthedestinationendofthecable. Theseoutputshaveasourceimpedance of70andaredesignedtofeedaminimumloadof600 .? 4 Ensurethatthesoundsystemlevelisturneddownatthisstage to prevent switch-on thumps or acoustic feedback. The transformer balanced outputs offer exceptional audio quality combined with excellent line driving capability. In addition they offer absolute electrical isolation, which is essential in situations such as running feeds to mobile studios or outside broadcastfacilities. Basic Operation 5 Illuminated Logo The DN1414 has no mains power switch. When power is connected, the logo at the front right of the panelwillilluminate. Output Transformer balanced XLRoutput. LinkUnbalancedTSjacksocket. FrontPanel Channels1to10 -15dB Switches in a 15dB attenuator.(Notethatboth switches may be used together when-45dBattenuationis required.) -30dB Switches in a -30dB pad in frontoftheinputbufferstage. Lift Isolates the output signal ground. Channels11/12and13/14 OutputsTransformerbalancedXLRoutput. Inputs BalancedTRSjacksockets. 30dB Switches in a -30dB pad in front of the inputbufferstage affectsbothchannels. -15dBSwitchesina15dBattenuator.(Notethat bothswitchesmaybeusedtogetherwhen-45dB attenuationisrequired.)affectsbothchannels. Lift Isolates the output signal ground affects bothchannels. 6 Input Balanced TRS jack socket, parallel-connected with a 3-pin femaleXLR. Mains Inlet Standard non-switched IEC mains connector. Asuitable cable is provided. 7 Rear Panel Blanking plate Dimensions of the plate: 158mm x 88mm Internal dimensions:140mm x 70mm Rear Panel Blanking Plate and User Multipole Connections The rear panel has a removable blanking plate which is designed for users to fit their choice of multipole connectors.Thecircuitboardforeachforthetwelvechannelshasarowofspring-leafterminalsalongitsrear edgetoallowuserstoterminatecablesfromthemutipoleconnectors. The top cover should be removed from the unit to gain access to the blanking plate and the circuit board terminals. Please ensure that all screws are retained and used to re-attach the cover and blanking plate. The outputs are brought out to the circuit board terminals; to make a connection insert a small flat-bladed screwdriverintotheupperrectangularslotandusingaleveringmotion,movethescrewdriverawayfromthe circuitboard-thisactionwillopenthecontactsintheloweropeningintheconnectorsothatthebareendsofa wire can be inserted. Moving the screwdriver in the other direction will close the contacts, which will then holdthewiresecurely. Any warrantyclaimsresultingfromdamagetotheunitwillbevoidifallofthescrewsarenotusedtore-secure boththecoverandtheblankingplate. Anywarrantyclaimswillbevoidifthedamagehasbeencausedbyexcessiveforceto these multipole connectors. It is recommended that screened twisted pair cable is used to make the connectionsbetweentheindividualcircuitboardsandthemultipoleconnectors. Theconnectorsareasshownbelowforboththemonoanddualchannelcircuitboards: Insert flat bladed- screw driver here to open multipole connector Insert flat bladed- screw driver here to open multipole connector Cold(XLR pin 3) Cold(XLR pin 3) Cold(XLR pin 3) Hot(XLR pin 2) Hot(XLR pin 2) Hot(XLR pin 2) Ground(XLR pin 1) Ground(XLR pin 1) Ground(XLR pin 1) OUT OUT12(14) OUT11(13) Mono circuit boardDual channel circuit board Block Diagram DIChannelConfiguration The DI module input stage uses the same buffered preamplifier that is employed on many Klark Teknik products and features exception low noise and distortion combined with a generous level of headroom, as well as being able to handle both balanced and unbalanced input connections without signal loss. The parallel-connectedXLRandTRSjackinputsonchannels1-10aredesignedtobeusedoneatatime,theXLR input has a 20k ohms input impedance, this is switched out when a jack plug is inserted so that guitars, especially passive ones, can be used without loss of high frequency signal content. The nominal input impedancewhenusingthejackinputis1Mohms.A-30dBpadcanbeswitchedinfrontofthebufferstageto avoidclipping. Afurtherseparatelybuffered15dBattenuatorisalsoincluded.Theseparatebufferingmeans that there will be no interaction between the pad and the attenuator when they are both switched in. With neither selected, the signal path is unity gain. The gain range is adequate to accommodate most keyboards, soundmodules,instrumentpreamplifieroutputsandactiveandpassiveguitarsandbasses. 9 Applications Inaliveconcertsituation,theDN1414isbeusedtoprovideanisolatedtransformer-balancedfeedsuitablefor longcablerunsfromthestagetomixingdesks. ThemainusesfortheDN1414areforprovidinginterfacesfor unbalanced outputs from electronic keyboards, sound modules or instrument pre-amps, or for instruments suchasbassandelectro-acousticguitarswhichwouldnotnormallybeusedwithamicrophone. Example1showstheusagewithabassguitar. Theunbalancedoutputfromthebassisconnectedtothejack input of the DN1414, and the link output is used to provide a through connection to the bassists on-stage amplifier. Thetransformeroutput isthenusedtoprovideabalancedfeedtothemonitorand/orFOHdesks. Example 2 shows the usage as an interface for a number of on-stage keyboards and sound modules. These unitsdonotnormallyhavebalancedoutputssuitablefordrivinglongcableruns,andsotheuseofDIunitsis essentialinthisapplication. Thecompactrack-mountingformatoftheDN1414makesitidealforinclusion in a keyboard rack. The transformer outputs are used to provide individual balanced feeds to the monitor and/orFOHdesks. 10 11 Appendices Architects And Engineers Specification The Multiple DI Module shall provide 14 discrete audio channels in a standard 3U 19 rack mount chassis, eachchannelprovidinggalvanicisolationandimpedancematchingforavarietyofinputsignals. Each channel shall also provide separate -30 dB pad and 15 dB attenuation switches, and an earth lift function. EachMultipleDIModuleshallmeetorexceedthefollowingperformancespecifications: Distortion + 18dBu 1kHz with load 1k Connectors TS Mono Jack Socket Noise-100 dBu between 20Hz and 20 kHz unweighted Frequency response+/- 1dB, 2Hz to 20kHz Distortion<0.01% 1kHz, +4dBu output 100 to 240 V a.c 50/60 Hz < 75 VA 3 pin IEC connector. ? ? ? ? ? Connectors3-pin female XLRs. Width483 mm (19 inches) Height132 mm (5.2 inches) Depth300 mm (12 inches) Nett8 kg Shipping9 kg Dimensions Weights Schematic Drawings DN1414 Mutilple DI Module Power Schematic Mutilple DI Module Stereo (Mono Option) Schematic 1 Mutilple DI Module Stereo (Mono Option) Schematic 2 13