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Dynacord Car Amplifier DPA 4120 User's Manual

1. DYNACORD DPA 4140 121629 MADEIN GERVANY A B ADDRESS OUTPUT VOLTAGE KLEIN BAFOR23O 7 Nj T8A FOR 115V VOLTAGE SELECTOR 15V 20V POWER f 11 ell lt AC MAINS INPUT 115V 230V AC50 60Hz CAUTION FORCONIINUED PROT ECTIONAGAINST ASKOF FIRE REPLACEWITHSAVE TYPEAND VALUEFLSEINDCATED ATTENTION FEMR ACERPARUN FUSIELE CE MEME TYPE COMMEINDQUE A Pa WARNING T0 ave ne ASKOF AREOR H ECTAICSFOOK REIHE EET d AMIS risque De choc RECIRIQUE NEPASOU RR CIFCUIT TO DC INPUT 24 6 ii ovas sumo MGFOUNDED ere 20 19 level meter instrument CLIP indicator Test and Reset button TEST STANDBY indicator Fault indicator PROTECT Fault indicator GROUND FAULT Mode indicator READY Ventilation louvres Mains power switch POWER OONOAaABRWND NO USER SER ICEABLE PARTS INSIDE REFER SERVIONG TO QUALIRED SERVICE PERSONNEL VOR FFNEN DES GER TES NETZSTECKER ZIEHEN 18 25 POWEROUTPUT 4f 9 9929 Q 12345 o 10 11 12 13 14 15 16 17 18 DYNACORD DPA 4140 121620 MADEIN GERMANY A B AD DRESS OUTPUT VOLTAGE Mains power connector AC MAINS INPUT Mains fuse FUSE Mains VOLTAGE SELECTOR Input LEVEL control INPUT socket THRU socket REMOTE CONTROL connector POWER OUTPUT Ventilation louvres 19 20 21 22 23 A CIRCUIT L TO CHASSIS SWITCH B locking screws INPUT MODULE DC INPUT 24V battery IDENT ADDRESS
2. at 1 KHz and nominal output power interfering voltage A features of the monitor output nominal output voltage nominal load impedance 43 cr A 21 131 electronically balanced 775 mV 0 dBu gt 10 k ohms balanced floating 200 W according to IEC 268 3 50 ohms 100V 25 ohms 70 V 12 5 ohms 50 V or 4 ohms 28 V 60 Hz 20 kHz lt 1 lt 1 2 mV 56 dBu electronically balanced 2 V 8 2 dBu 600 ohms ambient temperature range dimensions W x H x D depth with without connections weight without extensions finish 12 2 DPA 4140 power amplifier 400 W power supply mains operation mains frequency security class 5 40 C 483 x 132 x 345 mm max 400 mm max 340 mm 13 2 kg anthracite 115 V 230 V AC 10 50 60 Hz I ne idling normal operation 10 dB alarm 3 dB standard conditions initial current inrush mains idling normal operation 10 dB alarm 3 dB standard conditions initial current inrush mains Pmains VA apparent power Umaing mains Pmains W battery operation SA d yi Es 713 562 200 362 1019 811 400 411 Pmains VA Pout W 44 0 23 368 263 713 562 200 362 1019 811 400 411 Pout W output power P W leakage power 24 V DC 10 30 amm stand by idling normal operation 10 dB standard conditions initial current inrush battery P W input power Up lg Po W output power P W
3. features of the input nominal input level nominal input impedance features of the power output nominal output capacity during mains operation nominal load impedance frequency response distortion at 1 KHz and nominal output power so 1 s ae 1 us 415 249 166 leakage power electronically balanced 775 mV 0 dBu gt 10k ohms balanced floating 400 W according to IEC 268 3 25 ohms 100V 12 5 ohms 70 V 6 25 ohms 50 V or 4 ohms 40 V 60 Hz 20 kHz 196 interfering voltage A lt 1 2 mV 56 dBu features of the monitor output electronically balanced nominal output voltage 2 V 8 2 dBu nominal load impedance 600 ohms ambient temperature range 5 C 40 C dimensions W x H x D 483 x 132 x 345 mm depth with without connections max 400 mm 340 mm weight without extensions 16 7 kg finish anthracite extension kits for the DPA 4120 and DPA 4140 NRS 90208 input transformer for floating balanced input Art No 121 641 NRS 90222 remote module Art No 121 674 NRS 90224 pilot tone amp ground fault surveillance Art No 121 676 NRS 90225 standard input module Art No 121 677 NRS 90227 output transformer for floating balanced monitor output Art No 121 679 13 Extension kit specifications for the power amplifiers DPA 4120 DPA 4140 13 4 NRS 90225 standard input module see specifications DPA 4120 DPA 4140 13 2 NRS 90222 remote module see specifications DPA 4120 DPA 4140 1
4. green cable has to be reconnected to the ground connector on the rear panel of the appliance By pulling the cable make sure that it sits snugly Then you can re attach the cover plate of the enclosure 42 Caution For security reasons it is necessary to ensure that after the installation is completed all wiring located beneath the power supply input PCB are within a distance of at least 6 mm to the printed board assembly 12 Specifications 12 4 DPA 4120 power amplifier 200 W power supply mains operation mains frequency security class 115 V 230 V AC 10 50 60 Hz Pout W idling normal operation 10 dB alarm 3 dB standard conditions initial current inrush mains 0 20 100 200 Pmains VA Pout W 30 16 1 idling normal operation 10 dB alarm 3 dB standard conditions initial current inrush mains Pmains VA apparent power Umains mains Pmains W true power battery operation 138 20 118 298 100 198 415 200 215 Pout W output power P W leakage power 24 V DC 10 30 amm stand by idling normal operation 10 dB standard conditions initial current inrush battery Pi W input power Up lg Poy W output power P W leakage power features of the input nominal input level nominal input impedance features of the power output nominal output capacity during mains operation nominal load impedance frequency response distortion
5. inserted with its component side to the left from the front view until it clicks in place Re install the top plate of the enclosure NRS 90 224 S 406 36 S 40 B 411 NRS 90224 gna 5 EI EU aT EET Y T omg r PNE g BO Le riE E EL md TO 83LLL BH 945 t nn ms LE wm ce OROZ au 25 pen 1409 Utm ct xd id A MM poon FCRC co EGER S OE SEPR ERERRTR ES BI co M My fee TO PILER SU i i C tot Te Gals Le Cote ica Y em RM 4 5 1 82 caa Jianga poaa S ETE 7 TE sous 3E gren o 8883 2 EE on Os oo c C437 figure 8 printed board assembly 84187 in the DPA 4120 showing the NRS 90224 pilot tone amp ground fault surveillance and the bridges B411 and S405 S406 for switching the output voltage inserted 3T NRS 90 224 POWER OUTPUT E RELAY a a 4 T ans Fido Fi YEL B4040 wem T 3 3 E 1 E io oon V o SUB T Rese BLU RED B404C E E R451 g ae Lt TM ve n f amp O TO 9311 8418 Bus 8417 1 B42 L Bt2B LE S o H zi 8 paa CAs SO OW DOC mm ner EE mnd ili mime HOES a Wits 3 HERES ini E DN co mop vie ran NO be E Ios is wc s Wr SB duc S29 itus S Qwiee tee 05 298922397 CONTR D SPLAY ao TO OILLL 58226 Ni E L figure 9 printed board assembly 8417
6. switch REMOTE CONTROL connectors STATUS indicator locking screws power supply printed board Contents P riorinance Features s seceec citro tex eec Ds pte eite perdee testem v eceene d bn a dan fae peris oe iP Ela Indicators controls and connectiohs ucc eto e ee e a P ERO AR eat ren e ERR pA WTI ZATION RECTE lNStallatiOni ised EE riae ini Leche esate pd ir A eor As E I Note eid atts Before the first Operation 2 cote bo incite dev con v De a cae Le Eo vd OE Mo Ed ve E oce de eels S1 Mans Operatori PEE 3 2 Battery operation 24V DOi os rasan green A E E AAEN O gu ese E A de e aea BIONET TE EEE EE S E EE N E EATE E T A E T EE E 54 POWER OUTPUT ised Lm 5 2 POWER OUTPUT for 100V 70V or 50V loudspeaker systems seee m 5 3 SINGLE CALL and obligatory reception relays OVERRIDE BYPASS sse 5 4 POWER OUTPUT for low impedance loudspeaker systems esseeem 5 5 MONITOR o ip t I neediest eee edn iaaa 5 6 REMOTE CONTROL connector only NRS 90225 0 0 0 0 cceeeeeceeeeeee eee eect eee eeeeaeeeeeeesaaeeeeeaaaeeeeeaaaeeees lare leire EAE ent testatore aed ene Me In M A M DEL Rect te 61 STANDBY indiCaltor iic oi em ta eite oro Peel Doc DRE Ea ERE c Peta DURER e LEER A ESO ung 6 2 READY IRndICalOrz et tac cb ue uen ook oteer ot perra ree fret tete Dr Une erset nus E Sor corsi baud Foto i ET 6 3 PROTEGT indiCalOt nu s tert over E eene th ce hh er Ed
7. 0m Please make sure that the overall loudspeaker impedance does not decline a value of 4 ohms and that the stated power handling capacity of a single speaker system is not exceeded 5 5 MONITOR output The MONITOR output 16 on the NRS 90225 allows the connection of an additional power amplifier for monitoring purposes The low impedance output is electronically balanced which offers the possibility to achieve cable lengths of up to 200 m Connection is performed via the REMOTE CONTROL pin connector strip see also figure 4 For the remote control module NRS 90222 the MONITOR output is located on the REMOTE CONTROL connector 22 The PROMATRIX manager DPM 4000 switches the signal to the according the monitor channel In case a floating output is required the monitor output is prepared for retrofitting an output transformer provided through the optional extension NRS 90227 please also refer to paragraph 8 4 Functioning changes in the models DPA 4120 starting with serial numbers 100 11 and DPA 4140 starting with serial numbers 100 11 in association with the input module NRS 90225 To achieve reliable attenuation of switching noise knacks the monitor output stays muted as long as the READY relay is not pulled Because of circuit design reasons this causes that the monitor output is also muted even when a ground fault appears at the main output 5 6 REMOTE CONTROL connector only NRS 90225 The 15 pole sub D REMOTE CONTROL pin connec
8. 3 3 NRS 90208 input transformer for floating balanced input frequency response 20 Hz 20 kHz input impedance 2 10 k ohms idling ratio 1 1 winding resistance primary 1420 ohms at 20 C winding resistance secondary 1420 ohms at 20 C 13 4 NRS 90227 output transformer for floating balanced monitor output frequency response 40 Hz 20 kHz nominal load impedance 2 600 ohms idling ration 1 1 winding resistance primary 18 ohms at 20 C winding resistance secondary 18 ohms at 20 C 13 5 NRS 90224 pilot tone amp ground fault surveillance 13 5 1 pilot tone surveillance pilot tone frequency 19 kHz x 196 error recognition threshold 12mV fault message output via NRS 90225 collective fault message via READY relay fault message output via NRS 90222 PROMATRIX manager DPM 4000 13 5 2 ground fault surveillance input loudspeaker line 4 ohms 50V 70V 100V fault message output via NRS 90225 collective fault message via READY relay fault message output via NRS 90222 PROMATRIX Manager DPM 4000 disruptive strength 1000 Veff error recognition threshold lt 50 k ohms 45
9. 4 pilot tone amp ground fault surveillance The extension NRS 90224 is meant for insertion It includes a 19 kHz tone generator and a selective 19 kHz receiver with evaluation stage for pilot tone surveillance Also incorporated is a monitoring circuit with fault storage and display driver to guard the cable network connected to the output 8 5 1 Pilot tone surveillance Integration of the extension NRS 90224 provides continuous self monitoring of the amplifier This gets accomplished in the way that an extremely low level 19 kHz pilot tone signal is introduced to the signal path following the input level control LEVEL After passing the amplifier stages the pilot tone signal is filtered out at the output and the result is evaluated If the measured signal declines the pilot tone s predetermined threshold at the output or is not present at all the READY indicator 7 dims and the READY fault message relay drops When using the INPUT MODULE NRS 90225 the fault message is output as collective fault message with the floating contact of the READY fault message relay via the REMOTE CONTROL connector 16 When using the REMOTE MODULE NRS 90222 error occurrence is monitored and output by the PROMATRIX manager DPM 4000 for further details please refer to the PROMATRIX handbook 8 5 2 Ground fault surveillance When installing and operating 100V loudspeaker networks compliance to the VDE regulation DIN VDE 0800 is mandatory Especially if 100V loudsp
10. 406 2 ayes to m edi DUPULT CONFIG an a OUTPUT CONFIG woo Ne E 100 V B407 100 V 70 V B408 ni bos B409 CE OUTPUT CONFIG EE OUTPUT CONFIG B410 ss BE e E l 50 V 4 OHMS table 1 bridge B411 settings figure 5 coding bridges S405 S406 settings switching the output voltage output recognition OUTPUT CONFIG Caution It is possible that during operation shock hazard output voltages can be present at the POWER OUTPUT connector gt 34V peak value Thus the connected loudspeakers have to be installed in accordance to applicable security standards and regulations see also paragraph 8 5 2 8 Enhanced application field 8 1 Standard input module NRS 90225 This input module for the power amplifiers DPA 4120 and DPA 4140 is meant for insertion at the power amplifiers rear It provides the following functions lockable XLR input connector XLR output connector to patch the input signal through gain control to be adjusted using a screwdriver mains remote ON OFF battery remote ON OFF control of the D and E relays fault messages via the READY relay contact thermal overload of the mains transformer thermal overload of the power amplification stage ground fault optional only with installed NRS 90224 pilot tone signal optional only with installed NRS 90224 MONITOR output electronically balanced input transformer for floating balanced input optional Output transformer for floating balanced mo
11. 5 in the DPA 4140 showing the NRS 90224 pilot tone amp ground fault surveillance and the bridges B411 and S405 S406 for switching the output voltage inserted Checking the pilot tone surveillance function When the NRS 90224 is installed and the power amplifier is switched on the green READY indicator 7 has to light The testing and reset button TEST 3 serves as a function control for the pilot tone surveillance With the TEST button being engaged the 19 kHz generator is inactive The green READY indicator is off and the READY fault message relay drops Approximately 3 seconds after releasing the TEST button the indicator has to light again This method can also be used to check system configurations with average switching 38 Checking the ground fault surveillance function When the NRS 90224 is installed and the power amplifier is switched on the green READY indicator 7 has to light Utilizing an external switch to connect one pole of the 100V loudspeaker network via a 47 k ohms resistor for approximately 5 seconds to ground potential the corresponding red GROUND FAULT indicator 6 has to light and the READY fault message relay of the INPUT MODULE NRS 90225 drops while the green READY indicator 7 stays lit After releasing the button the indication and the fault message are maintained The TEST button 3 has to be used to reset the ground fault surveillance function For further details on checking the function with the REMOTE MODUL
12. D507 E Os eC N On OX as u R507 R511 figure 11 printed board assembly 85268 in the DPA 4140 showing the DC fuses F502 and F503 41 F 601 F 602 1 AC MAINS INPUT Asa 86243 id Q B602 figure 12 printed board assemblies 86243 DPA 4120 and DPA 4140 showing the AC fuses F601 and F602 Caution Before opening the appliance make sure to disconnect the mains and or battery power source Replacing the fuses F502 and F503 only to be carried out by the experienced service technician The battery fuses F502 and F503 are located on the power supply PCBs 85270 DPA 4120 and 85268 DPA 4140 behind the AMP battery connectors see also figure 10 and or figure 11 To replace these fuses you have to remove the cover plate of the appliance and afterwards the power supply input PCB 86243 which is mounted to the rear panel of the appliance Therefore detach the yellow green cable from the ground connector on the appliance s rear panel Pressing the lock strap of the AMP connector together it can be removed without applying any force Now you have to remove the three screws marked A refer to the diagram of the appliance s rear panel on page 2 which allows you to twist the power supply input PCB 86243 up Make sure not to damage any wires or any other parts The fuses F502 and F503 are now accessible and can be removed To re install the power supply input PCB 86243 these steps have to be proceeded in the opposite order The yellow
13. DYNACORD PRO MATRIX SYSTEM POWER AMPLIFIER DPA 4120 DPA 4140 OWNER S MANUAL DYNACORD DPA 4140 400 WATTS POWER AMPLIFIER PRO ATR tes Sy S Performance Features Power amplifier with 200 W or 400 W output power according to the IEC 283 3 standard within a 19 cabinet 3 HU providing the following functions supported are 115 230V AC mains as well as 24V DC emergency power source power amplifiers DPA 4120 providing 200 W or DPA 4140 providing 400 W output power idling and short circuit protection output transformer for balanced floating 100 V speaker networks of optionally 70 V 50 V or 4 ohms for low impedance operation optional input modules standard operation INPUT MODULE with level control electronically balanced input and MONITOR output with optional transformer or REMOTE MODULE for controlling and monitoring the PROMATRIX system electronic level controls electronically balanced input and MONITOR output with optional transformer integrated stand by power supply mains POWER ON OFF switch ground lift switch remotely controllable mains and battery operation with initial current inrush limiter power on switching noise suppression status LED indicators for operation READY STANDBY thermal overload PROTECT and occurrence of GROUND FAULT conditions at the power output fault message according to the IEC 849 standard TEST button to switch between system and average operation respectively a RESET button to restar
14. E NRS 90222 being included in your installation please refer to the PROMATRIX handbook 9 19 case and 19 rack shelf system installation Note Operation of the power amplifiers DPA 4120 and DPA 4140 with enclosure cover plates detached is strictly prohibited When mounting the power amplifiers within rack cases or rack shelf systems make sure to provide sufficient airflow The space between the rear panel of the amplifier and the inner wall of the rack case has to be at least 60 mm x 330 mm A free space of at least 100 mm above the rack shelf system is needed to provide sufficient air circulation Since it is possible that during operation the temperature inside the rack system increases by 10 C the maximum allowable ambient temperatures of the rest of the incorporated modules and appliances within a specific rack shelf or rack case have to be taken into careful consideration Note To ensure trouble free operation of the appliance the maximum permissible ambient temperature of 40 C is not to be exceeded 10 Ground lift switch CIRCUIT L TO CHASSIS SWITCH The ground lift switch CIRCUIT L TO CHASSIS SWITCH 19 provides the possibility to separate the signal ground from the enclosure ground potential This is mainly meant to eliminate noise problems which are introduced through ground loops without jeopardizing the security In case several appliances within a single rack case or rack shelf are furnished with ground lift switches it is re
15. E RE S E AAAA 12 1 DPA 4120 power amplifier 200 Wiessner nanese AEEA E RENERE Ania EAEN NEE AS EU EA Ras 12 2 DPA 4140 power amplifier 400 WW iiec ibo treo tette nh Cd DER ERAS ER COLE RREE PLAT MATO Ped RUE bein seed Extension Specifications cete etg le A eder Mere Tre stb ir n iere cele Dr Ane ERE eva thieetacdd CARE bos 13 1 NRS 90225 general input module esses mne ehem hne nen nnne nnn 13 2 NRS 90222 remote module 00 cece ce cece nee cece e are aieea taa ea deaet KeA ea eeta Eaa ea raat nene sr nnne 13 3 NRS 90208 input transformer for floating balanced input sesseee 13 4 NRS 90227 output transformer for floating balanced monitor output eeeeeeee 13 5 NRS 90224 pilot tone and ground fault surveillance seeeeseeee me Block diagrams citet ea a o eee ette eo teet iade ee Co Rotae obs Oo pet indo eMe ee CO ROM ee AAE Pe Edo tbe aga 14 1 Power amplifiers DPA 4120 DPA 4140 sssssssssseeee mene mene nnnm nnenn nn en nennen nnn 14 2 NRS 90225 general input module ssssessssssesessseee eene nne nnne nennen enne 14 3 NRS 90222 remote module 20 0 0 ccc ce cece cece cece cece eeeece sees eeueeeeeeueaeaueeeeeeguaueeeaeeusaeaueaeeeegeaeeeeaeeueaeas 69 14 4 NRS 90224 pilot tone and ground fault surveillance cee ceceeeeeee ee neeeeeeeaeeeeeeeaaeeeeeeaaeeeeeeaaeeeeeeaa 70 15 Martahly 2 cep RUPEE eal n
16. For the remote control module NRS 90222 the input level is determined by the setting of the internal electronic level control of the PROMATRIX manager DPM 4000 please also refer to the PROMATRIX handbook 28 THRU figure 1 connections of the input sockets Connector XLR 3 M Connector XLR 3 F 3 1 2 2 1 3 MM figure 2 LF cable for coupling two amplifiers DPA 41xx POWER OUTPUT The power output is balanced and off ground potential The output is factory configured for the connection of 100V loudspeaker systems Connection has to be performed by inserting the supplied 5 pole plug into the power output Socket 17 Switching the output voltage to 70V 50V or to low impedance operation 4 ohms is possible using the plug in bridge B411 on the printed board assembly 84187 DPA 4120 respectively 84175 DPA 4140 see also POWER OUTPUT OVERRIDE BYPASS SINGLE CALL COMMON 100n CIRCUIT L TO CHASSIS SWITCH 100k figure 3 connection of the power output POWER OUTPUT for 100V 70V or 50V loudspeaker systems If the distance between the amplifier and the loudspeakers exceeds 50 m it is recommended to operate the speaker systems using 100V matching transformers to reduce line attenuation This additionally offers a simple way of distributing the output power capacity In this way it is possible to connect a maximum of as many loudspeaker Systems as it takes until the total power consumption
17. V AC is accomplished using the voltage selector 12 DPA 4120 For 115V AC operation the mains fuse 11 has to be replaced by a slow blowing 4 ampere type labeled T4A see also paragraph 11 1 DPA 4140 For 115V AC operation the mains fuse 11 has to be replaced by a slow blowing 8 ampere type labeled T8A see also paragraph 11 2 If the appliance is correctly connected and mains is present the green STANDBY indicator 4 will light To remotely start the amplifier when it is being operated on the mains it is necessary to interconnect the contacts 3 POWER REMOTE and 2 GROUND STANDBY on the pin terminal strip REMOTE CONTROL 16 see also paragraph 5 6 The main power switch POWER 9 on the rear of the appliance is meant for service and maintenance purposes This allows bridging the mains switching relay which provides the possibility to operate the amplifier without remote start The main power switch POWER 9 on the appliance s rear is only meant for maintenance Remotel switching off the device is not possible when the POWER switch is engaged Both amplifiers the DPA 4120 and the DPA 4140 employ power on switching delays of approximately 3 sec After this time the green READY indicator lights and the READY fault message relay picks up when no error is being detected see also paragraph 6 2 3 2 Battery operation 24V DC The amplifiers DPA 4120 and DPA 4140 use the mains or alternatively an external 24V batter
18. aa ER E a e a Dev ER ewe Us gara sacl 6 4 GROUND FAU TNA A O a a a a nn emn mnn nm nennen ene nnn nnne nne ii ne ei eese resin 6 5 Aussteuerungskontrolle und CLIP Anzeige essem eene nennen Switching the output voltage 2 00 eee cece cece ce ence cece eee cece ee enn nnne E nennen nh sse a esten etse nh et esten n nns Enlianced application fleld 2 e D de E HER ERES DERE I RRER QU spe ease desta DARE es RENE REER 8 1 General input module NRS 90225 sssssssssssssseseseeeeee nennen A AAA AEN 8 2 Remote module NFIS 90222 1 irte rue ete an ee edd Ree EXR RUNE SER UR TEE det Lon RE Re Lee REED ez eet ES 8 3 NRS 90208 input transformer for the floating balanced input seemm eres 8 4 NRS 90227 output transformer for the floating balanced monitor output seeeeeeeees 8 5 NRS 90224 pilot tone and ground fault surveillance eeesen m 8 5 1 Pilot tone survelllamnce uice ite etti Hp lb vetta oe Dre E Ure Eee Penta Ee pret a ES 8 5 2 Ground fault surveillance 2 corto Et dte ete Eno ete uce eit te E ene 19 case and 19 rack shelf system installation 0 cccceeeceeeneee cece ee ee cece aa eeeeeeaaeeeeeaaeeeeeaaeeeeeaaeeeeeaa Ground lift switch CIRCUIT LTO CHASSIS SWITCH ccc ceceeeeeeeee ee aeeeeeeeeeeeeeeeaaeaeeeeeeeeeeeeasaaeneeeeeeees Power amplifier specifications arisi cicecececneeeeceeeeeeeeeaeee seen cae ARA AEE
19. altered temperature approximately after one hour Should it happen that foreign solid parts or liquids inadvertently intrude the enclosure unplug the device from the power source and have it checked by a DYNACORD service center before using it again Cleaning the appliance should not be performed using chemical solvents or sprays as this might damage the finish and moreover could cause hazard fire 3 Before the first operation These power amplifiers are designed to be operated with different input modules The general input module NRS 90225 is meant for all conventional applications It allows to remotely start the amplifiers via control lines monitor their operation by use of the incorporated fault relay and monitor the transmitted audio signals through the monitor output Using the remote control module NRS 90222 the amplifiers are connected to the PROMATRIX manager DPM 4000 via RS 485 remote interface providing complete remote operation and surveillance The desired input module has to be inserted into the module shaft on the rear of the power amplifier It has to be tightened using the two locking screws B refer also to the paragraphs 8 1 and 8 2 3 4 Mains operation For normal AC mains operation the included mains cord has to be connected to a 230V or 115V 50 60Hz wall outlet On the appliance itself the cord has to be connected to the 3 pole mains socket 10 Caution The appliance is factory preset to 230V AC Switching to 115
20. ansformer for the floating balanced monitor output In case that floating monitor outputs are required the outputs of the INPUT MODULE NRS 90225 and REMOTE MODULE NRS 90222 are prepared for retrofitting output transformers If so it is necessary to additionally install the extension kit NRS 90227 per each output The installation has to be performed as follows see figure 6 and or figure 7 to remove the input module you have to loosen the two locking screws B on the rear panel of the appliance Now the module can be easily torn out before installing the output transformer you have to remove the resistors R22 R23 R32 and R33 NRS 90225 respectively the resistors R23 R24 R71 and R72 NRS 90222 now you can mount the output transformer onto the printed board assembly Because of the transformer s symmetrical design polarity is not a critical factor re insert the input module and tighten the locking screws B Input Transformer NRS 90208 INPUT PCB 81338 354653 Output Transformer NRS 90227 figure 6 printed board assembly 81338 showing the input transformer NRS 90208 and the output transformer NRS 90 227 Input Transformer NRS 90208 e Hr 81339 x 13 J2 Remote PCB e 3 354676 vorssuo Analog Bsst okungsdruok 1 00 07 30 08 51339 D tc Output Transformer 90 227 figure 7 printed board assembly 81339 showing the input transformer NRS 90208 and the output transformer NRS 90 227 8 5 NRS 9022
21. c REM NOH DERI qu eee 72 1 Utilization The amplifiers DPA 4120 and DPA 4140 are specially designed for the power consistent and reliable operation of PA systems The DPA 4120 and DPA 4140 are intended to be used in company intercom alarm and background music transmission installations offices and commercial areas congregation and sport centers schools churches hotels hospitals shopping malls and super markets cruise ships and other similar applications 2 Installation When installing the amplifiers it is important to assure that for ventilation reasons the front to rear air circulation is guaranteed for details on 19 case or 19 rack shelf installation please refer to paragraph 9 To maintain EMC it is necessary that all input output and control lines except for the power cords are shielded Within metal housings or closed rack shelf systems unshielded output and control cabling is allowable Shielding is accomplished by connecting the individual cable screens to the enclosure or rack shelf ground potential The amplifier has to be protected from water drops or splashes direct sunlight high ambient temperatures and the direct radiation of heat sources high humidity and moisture heavy dust massive vibrations Moving the amplifier from a cold into a warm environment can result in the occurrence of condensation on inner parts Operating the appliance is only permissible after it has accommodated to the
22. commended to set all devices but one to ungrounded Set one appliance to grounded When set to ungrounded the impedance between signal ground and enclosure is 100 k ohms 100 nF It is needed to maintain EMV protection 11 Fuses 11 1 Fuses in the DPA 4120 fuse socket 11 mains fuse 230V AC 5x20 mm IEC 127 2 3 fuse socket 11 mains fuse 115V AC 5x20 mm IEC 127 2 3 printed board assembly mains fuse 100V 250V 8 5xRM 5 08mm IEC 127 3 4 86243 printed board assembly battery fuse 24V DC flat fuse DIN 72581 3 85270 printed board assembly battery fuse 24V DC flat fuse DIN 72581 3 85270 11 2 Fuses in the DPA 4140 fuse socket 11 mains fuse 230V AC 5x20 mm IEC 127 2 3 fuse socket 11 mains fuse 115V AC 5x20 mm IEC 127 2 3 printed board assembly mains fuse 100V 250V 8 5xRM 5 08mm IEC 127 3 4 86243 printed board assembly battery fuse 24V DC flat fuse DIN 72581 3 85268 printed board assembly battery fuse 24V DC flat fuse DIN 72581 3 85268 39 F503 F502 ki c52 LL NE n a HOW I R518 Lt ceu JF BROUND LIFT n ssai mere TO_MAINS INP Ke mie 7 8c E a 1 8325 B526 R549 L LL R542 On m Raat E5p2 EE aem nsa RGL NA WE Po 3 0507 D518 Or OF PGNDi 35U R528 I figure 10 printed board assembly 85270 in the DPA 4120 showing the DC fuses F502 and F503 40 F 503 F 502 F503 C524 Bg ab EE nd i D5p4 m T 2 asal 016g
23. eaker networks are included in alarm system applications all security standards have to be in accordance to the security class 3 standard 35 When off ground potential loudspeaker cable networks are employed we recommend insulation monitoring using the ground fault surveillance module NRS 90224 Error recognition An occurring ground fault either signals that one of the cables is damaged which most likely point towards a total line interruption in the near future or that connections have been carried out erroneously which may lead to malfunctioning of the entire system The fault message GROUND FAULT 6 is also maintained with very short gt 5 sec ground faults as long as the amplifier is powered on or a loaded battery is connected The fault message is displayed via the red GROUND FAULT indicator 6 In case of an inserted INPUT MODULE NRS 90225 it is also outputted as collective fault message with the floating contact of the READY fault message relay via the REMOTE CONTROL connector 16 When using the REMOTE MODULE NRS 90222 error occurrence is monitored and output by the PROMATRIX manager DPM 4000 for further details please refer to the PROMATRIX handbook The installation has to be performed as follows see figure 8 and or figure 9 Caution Before opening the appliance make sure to disconnect the mains and or battery power source To open the appliance the top panel has to be removed The extension kit NRS 90224 has to be
24. ing at the same time this signals the encountering of an overload or short circuit condition at the output In this case the impedance of the connected load has to be checked Caution During normal operation the red CLIP LED should only light briefly and shortly 7 Switching the output voltage only to be performed by a qualified service technician The DPA 4120 and DPA 4140 amplifiers allow the connection of 50V 70V 100V or low impedance loudspeaker systems 4 ohms They are factory preset to an output voltage of 100 V Switching the output voltage to 4 ohms 50V or 70V can be performed by changing the bridge B411 on the power amplifier printed board assembly 84187 DPA 4120 or 84175 DPA 4140 Caution Before opening the appliance make sure to disconnect the mains and or battery power source To open the appliance the top panel has to be removed The bridge B411 yellow wire has to be removed from the contact B407 and re attached to the desired contact see table 1 see also figure 8 respectively figure 9 he coding bridges S405 and S406 for the output recognition have to be inserted according to the illustration in figure 5 the inserted coding bridge is marked in black The top panel has to be re attached Note By using a waterproof marker pen and after switching the output voltage the newly set value has to be marked in the filed OUTPUT VOLTAGE on the rear panel of the appliance 31 output bridge 406 rp 5
25. nitor output optional The input module is meant to be used with the power amplifiers DPA 4120 and DPA 4140 The module allows to control and monitor the operation of the power amplifiers using conventional equipment or with reservations by the PROMATRIX manager DPM 4000 Caution Before installing the input module NRS 90225 you have to unplug the mains connector as well as a presumably connected battery cord Before installing the input module it is necessary to remove the two locking screws B on the rear panel of the appliance For installation the printed board assembly first has to be inserted into the guiding rails After carefully pushing the module in it has to be locked by using the two screws mentioned before 32 Functioning changes in the models DPA 4120 starting with serial numbers 100 11 and DPA 4140 starting with serial numbers 100 11 in association with the input module NRS 90225 To achieve reliable attenuation of switching noise knacks the monitor output stays muted as long as the READY relay is not pulled Because of circuit design reasons this causes that the monitor output is also muted even when a ground fault appears at the main output 8 2 Remote module NRS 90222 This input and remote module for the power amplifiers DPA 4120 and DPA 4140 is meant for insertion at the power amplifiers rear It provides the following functions lockable XLR input connector XLR output connector to patch the inp
26. nserted into the guiding rails After carefully pushing the module in it has to be locked by using the two screws mentioned before After installing the remote module NRS 90222 it is necessary to set its address according to the description in the PROMATRIX handbook using the two HEX code switches ADDRESS 21 and note the setting within the field ADDRESS on the rear panel of the appliance using a waterproof marker pen 8 3 NRS 90208 input transformer for the floating balanced input For the case that floating inputs are required the inputs of the INPUT MODULE NRS 90225 and the REMOTE MODULE NRS 90222 are prepared for retrofitting input transformers If so it is necessary to additionally install the extension kit NRS 90208 per each input The installation has to be performed as follows see figure 6 and or figure 7 to remove the input module you have to loosen the two locking screws B on the rear panel of the appliance Now the module can be easily torn out before installing the input transformer you have to remove the resistors R1 and R2 mount the input transformer onto the printed board assembly so that the marking located on the connector side of the transformer matches with the one on the printed board assembly To prevent short circuits place the supplied insulation disc between the transformer and the printed board assembly 33 re insert the input module and tighten the locking screws B 8 4 NRS 90227 output tr
27. of the entire speaker network equals the power output capacity 29 of 200W connection impedance 50 ohms with the DPA 4120 respectively 400W connection impedance 25 ohms with the DPA 4140 Connection is performed using the 100V output 17 see also figure 3 In a few special cases it is also possible to operate the loudspeaker systems with 70V or 50V output voltage see also paragraph 7 Caution It is possible that during operation shock hazard output voltages can be present at the POWER OUTPUT connector gt 34V peak value Thus the connected loudspeaker groups have to be installed in accordance to applicable security standards and regulations see also paragraph 8 5 2 5 3 SINGLE CALL and obligatory reception relays OVERRIDE BYPASS Combined with the PROMATRIX manager DPM 4000 or other external controls it is also possible to transmit single or collective calls with obligatory reception i e bridging of possibly existing volume controls of the loudspeaker systems For details on how to connect the outputs please refer to figure 3 for the connection of relays please refer to paragraph 5 6 respectively the PROMATRIX handbook 5 4 POWER OUTPUT for low impedance loudspeaker systems Switching the output to 4 ohms allows the connection of low impedance loudspeaker systems 4 16 ohms see also paragraph 7 and figure 3 Because of the occurring line attenuation the distance between amplifier and loudspeaker system should not exceed 5
28. ormer or the power amplification stage is encountered the red PROTECT indicator 5 will light and the READY fault message relay drops After the amplifier regained normal temperature the red PROTECT indicator 5 is automatically dimmed and the appliance returns to normal operation High temperature can be caused by overload extreme ambient temperatures or faulty functioning of the system s ventilation 6 4 GROUND FAULT indicator If with the NRS 90224 extension installed a ground fault is being detected at the power output the red GROUND FAULT indicator 6 will light and the READY fault message relay will drop During the occurrence of this error normal operation is maintained After eliminating the cause for the ground fault pressing the TEST button 3 resets the GROUND FAULT indicator 6 see also paragraph 8 5 2 6 5 Level meter and CLIP indicator The green LED indicators 13dB and OdB 1 together with the red CLIP LED 2 allow to monitor the output level effectively avoiding overdrive conditions that lead to distortion and overload at the power outputs which could damage the connected loudspeaker systems If the red CLIP LED 2 shortly lights during program peaks maximum non distorted modulation is achieved Continuous lighting or blinking of the red CLIP LED 2 signals overdrive In this case the input level has to be reduced If the green LED indicator 1 does not light or is only briefly lit with the red CLIP LED blink
29. t after the occurrence of ground fault conditions LED level meter instrument with a display range of 13 dB to 0 dB and CLIP integrated relays for single call and obligatory reception active temperature controlled ventilation pilot tone and ground fault surveillance module according to the DIN VDE 0800 standard optional 23 24 Indicators controls and connections 12 DYNACORD DPA 4140 I 400 WATTS POWER AMPLIFIER PRD MATRIX _ C3 c 3 T EM Lee eee oe _2 Qs 3 SS SS L 1 Csr Oe _ eee pR Reay O Q stanoev C3 E LLLI emu o O PROTECT L ay ne Ss M EEE LE oe ECN eee eee 8 76 A 9 A 10 11 12 A 13 B T TAA FOR Bovy NN T8AFOR 115V VOLTAGE 1 SELECTOR 7 T 15V 280V E 4 LLL ACMAINSINPUT G POWER eL ae 115V 230V AC 5060 Hz CAUTION ron conTINED PROTECTION AGANST RISK FIRE REPLACEWITH SAVE TYPEAND VALLE FUSEINDICAT ED ATTENTION ng ACER PAR UN FUSBLEDEMEMETYPE COMME INDIGUE RISK OF RECTRICSHOCK N DONO OPEN WARNING TO fe cuCETHERIS lt CF FFE ORELECTRO SHOK DOTOTEXFOSE THIS7PRLANCE TO RANOR MOISTURE AMS nisaJEDECHOCELECTRQUE NEPASOUWRIR DCINPUT 24V CHASSISSWTCH e arna UNGROUNDE DB NOUSER SERVICE ABLEP ARTS INSIDE REERSERVIONG TO QUALIFED SERVICE PERSONNE FOR FFNEN DES GER ATES NETZSTECKERZIEHEN POWEROUIPUT 4
30. tor strip 16 provides several different control in outputs Ground of the stand by power supply negative pole grounded POWER REMOTE via contact to ground potential BATTERY REMOTE via contact to ground potential MONITOR output electronically balanced READY message with floating contact Obligatory reception relay D RELAY via contact to ground potential Single call E RELAY via contact to ground potential 2 L STANDBY GROUND 3 POWER REMOTE 4 BATTERY REMOTE 5 D RELAY REMOTE CONTROL 6 E RELAY 7 8 5 9 0 4 READY MONITOR MONITOR figure 4 connections on the REMOTE CONTROL pin connector strip 6 Indicators 30 6 4 STANDBY indicator When the appliance is correctly connected and mains and or battery power is present the green STANDBY indicator 4 will light 6 2 READY indicator Both amplifiers the DPA 4120 and the DPA 4140 employ power on switching delays of approximately 3 sec to effectively eliminate power on switching noise After this time the green READY indicator 7 lights and the READY fault message relay picks up when no error is being detected When the power amplifier s mains transformer exceeds a certain value or when with installed NRS 90224 extension the pilot tone falls below the threshold see also paragraph 8 5 1 the green READY indicator 7 is not lit and the READY fault message relay drops 6 3 PROTECT indicator When thermal overload of the mains transf
31. ut signal through input level can be set via a programmable audio level control MUTE via level control mains remote ON OFF battery remote ON OFF control of the D and E relays surveillance and fault messaging via the PROMATRIX manager DPM 4000 corresponding to IEC 849 thermal overload of the mains transformer thermal overload of the power amplification stage ground fault optional only with installed NRS 90224 pilot tone signal optional only with installed NRS 90224 measurement of the output voltage level measurement of the output current surveillance of the connected loads via current voltage measurement MONITOR output electronically balanced monitoring input output signals can be assigned to the monitor bus input transformer for floating balanced input optional Output transformer for floating balanced monitor output optional pilot tone signal ON OFF optional The remote module allows to remotely control and monitor the operation of the power amplifiers DPA 4120 and DPA 4140 from the PROMATRIX manager DPM 4000 for further details please refer to the PROMATRIX handbook Caution Before installing the input module NRS 90222 you have to unplug the mains connector as well as a presumably connected battery cord Before installing the input module it is necessary to remove the two locking screws B on the rear panel of the appliance For installation the printed board assembly first has to be i
32. y as power source Switching to battery is performed via integrated relays The battery has to be connected on the rear of the amplifiers 20 using insulated 6 3x0 8 mm AMP flat plug connectors The amplifiers are protected against polarity mismatch Each the positive and negative conductors are internally protected by fuses located on the printed board assembly 85270 DPA 4120 respectively 85268 DPA 4140 see also paragraph 11 figure 10 and 11 The cable used for battery connection has to be at least 1 5 mm in diameter DPA 4120 respectively 2 5 mm DPA 4140 Using these diameters the cable length for the one way distance should not exceed 4 0 m max voltage drop 1V Caution The DPA 4120 and DPA 4140 are to be operated only using ungrounded batteries or batteries with grounded negative pole Operation with grounded positive pole is not permissible 4 INPUT The electronically balanced INPUT 14 providing a sensitivity of 775mV OdBu is meant for the connection of control amplifiers In case it is intended to supply several power amplifiers with identical input signals these signals can be taken from the THRU connector 15 see also figure 1 and 2 The input is prepared to be retrofitted with a input transformer In case a floating input is needed it is necessary to install the optional extension NRS 90208 see also paragraph 8 3 On the general input module NRS 90225 the input level is set with the level control 13

Dynacord Car Amplifier DPA 4120 User's Manual

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