Manual - ITC Audio-Public Address System
Contents
1. NOILVYAdO PUBLIC ADDRESS SYSTEM CLASS D AMPLIFIER T 1D120 1D240 1D350 1D500 Please follow the instructions in this manual to obtain the optimum results from this unit We also recommend that you keep this manual handy for future reference 7 TABLE OF CONTENTS wW T SAFETY PRECAUTIONS a dM nra 1 2 PEA quilt 3 3 NOMENCLATURE AND FUNCTIONS 3 1 Front Panel 10120 10240 1 0350 1 0500 haa anu uan 4 3 2 RearPanel 10120 10240 10350 10500 4 3 3 Front 20120 20240 20350 20500 5 3 4 Rear Panel 20120 20240 20350 20500 5 3 5 Front Panel 40120 40240 40350 40500 6 3 6 Rear Panel 7 40120 40240 40350 40500 6 4 7 5 WIRING INTRODUCTION de ah n ERR ERU RUE EAR 10 6 APPLICATIONS ttt er Enero ta 11 T BLOCK DUA GR AW e 12 B OPERATINGINSTRUCTION OS 13 9 FAULTDETECTION siis k oi n RREERRKRE UEARAARREENUFAREENREE QUE M URDU MM AEN 13 10 SPECIFICATIONS iii bna xa2. RAE KU E d VE d RS DUE NM EUR 14 11 DIMENSIONAL DIAGRAM PERDE RR 17 77 1 SAFETY PRECAUTIONS VI Be sure to read the instructions in this section carefully before use Make sure to observe the instructions in this manual as the conventions of safety symbols and messages regarded as very important precautions are included We also recommend you keep this instruction manual handy for future reference Safety Symbol and Message Conventions Safety symbols and messages described below are used in this manual to prevent bodily injury and property damage which could result from mishandling Before operating your product read this manual first and understand the safety symbols and messages so you are thoroughly aware of the potential safety AN WAR N N G Indicates a potentially hazardous situation which if mishandled could result in death or serious personal injury CAUTION Indicates a potentially hazardous situation which if mishandled could result in moderate or minor personal injury and or property damage A WARNING When Installing the Unit When Installing the Unit Do not expose the unit to rain oran environment e Should the following irregularity be found during where it may be splashed by water orother liquids use immediately switch off the power disconnect as doing so may result in fire or electric shock the power supply plug from the AC ou
3. The excessive and continuous clipping may destroy the speakers So pls turn down the volume when theleds shin frequently If the output cable is short cut the indicator will keep on But if the volume is turned off the indicator may be off Pls check the load and output cables If the protect be shut down because of the over high temperature pls turn the amp off check whether the ventilation or the wind grid is good amp When the poweris power during working or the power supply voltage is too high the indicator will keep on 6 the amplifier fault is notin accordance tothe above situations while the Protectindicator keeps on plsturn to the professional engineer REMOTE CONTROL INTERFACE AND REMOTE STANDBY INTERFACE When the STBY IN and GND STBY THRU GND are short cut the main poweramplifier will be forced off The machine will turn to standby mode with consumption less than 60W They are electrically connected in parallel socket and output from another socketand connectto l tkatie standby control interface ofthe next amp L4 Own m m 2 2 v a o c a i Note When cascade the GNDterminal ofthe Remote Standby control interface should connect tothe GND terminal ofthe nextone ac cordingly otherwise it will cause the machine toturn tothe standby mode andit
4. cannot work properly T7VNH3LX3 AS STATE OUT When the normal state circuit is operating this port output high lever 5 V The use of the terminal according to the case channel power ON OFF state and the protection of the state to control external connected device monitor display panel indicator lights up and the operation ofthe power of thelamp is turned on The circuitis designed to monitor the voltage between terminals 5 and 6 feet 5V please currents when closed environment below 12mA When the LED is lighted Control current under 12mA Monitor terminal 5 pinhole 6 pinhole A OPERATING INSTRUCTION VI Monitor terminal status output The use of the terminal according to the case channel power ON OFF state and the protection ofthe state through the DC relayto control the spare amplifier another T 4D500 working condition The circuitis designed to monitor the terminal voltage of between 5 and 6 feet 5V pleasecurrents when used ina closed environment below 200mA Thermal Protection The temperature control circuitthat combines with the heatsink controls 3 D working status of the fan lt The fan works inthe lowest speed when the temperature reaches 45 C 00 When the temperature is gradually approaches 70 C the thermal 22 5 protection circuit will increase the fan speed until reaches the maximum value Equipment grounding Th
5. positive and negative polarity of the battery to avoid any damage to the devise Post 100A current maximum x support such as more than easily damaged terminals 100V speaker output 1 channels Class D amplifier output with source filters to pass invalid Juv ewm cUm audio signal available for 100V external speaker The total power of Lo eo Bue eue the speakers connected to the outputterminals can not exceed 80 of the RMS ofthe amplifier Power LED When poweris turned on the power LED emits blue light Signal LED SIGNAL is an output signalindicating When the corresponding outputs detects a signal is and the output voltage reaches 10V the signal LED emits green light Under normal operating itflashes Clip LED When the output voltage exceeds the rated maximum level distortion orange LED lights up Distortion long bright LED indicates the status of the peak above the machine work To avoid serious distortion or top sothey should be appropriate to reduce the volume Protect the LED When the protection circuitis working the orange protection LED indicator on OPERATING INSTRUCTION VI In the following circumstances protect the LED ison QD In the self test procedure after the power is on the LED is lit continuously on for about 2S In this process there is no output the excessive signal causes clipping the led flashes the breif flashes makes no influence to the distortion
6. 0 T 1D240 T 1D350 T 1D500 Rated output power 120W 240W 350W 500W Peak output power 180W 360W 525W 750W Power interface output 100V Input Sensitivity amp lmpedance LINE IN 775mV 10KQ Frequency 80Hz 16KHz 1dB 3dB S N Ratio gt 85dB THD 80Hz 16kHz 10dB below maximum power 0 296 1 kHz maximum power 196 Overall efficiency 28596 Radiating After a forced airinto the front 50 70 C Thermostat Protection With short circuit overload over temperature protection output DC L 110V50Hz L 110V60Hz 115V 50Hz 0 115V 60Hz L 120V 50Hz L 120V 60Hz Power supply 220V 50Hz 220V 60Hz 230V 50Hz 230V 60Hz 240V 50Hz 240V 60Hz Power supply 24 V DC rated power 21 6 26 5V operating voltage range Maximum power dissipation 144W 288W 420W 600W Dimension 484x444 5x65mm Weight 7 7Kg 14 Cf sscmomows 4 Rated output power 2 120W 2 240W 2 350W 2 500W Peak output power 2 180W 2 360W 2 525W 2 750W Power interface output 100V Input Sensitivity amp lmpedance LINE IN 775mV 10KQ Frequency 80Hz 16KHz 1dB 3dB S N Ratio 285dB THD 80Hz 16kHz 10dB below maximum power 0 296 1 kHz maximum power 196 Overall efficiency 28596 Radiating After a forced airinto the front 50 70 C Thermostat Protection With short circuit overload over temperature protection output DC 110V 50Hz LI 110V 60Hz 115V 50H
7. Cooling fan 16 Line input 12 DC 24V power input 17 Remote volume control External audio controller NOMENCLATURE AND FUNCTIONS VI 3 5 FRONT PANEL T 4D120 4D240 4D350 4D500 1 SIG 4 Stby indicator CH1 CH4 signal indicator 5 24V DC indicator 2 CLIP 6 Power indicator CH1 CH4 clip indicator 7 POWER SWITCH 3 PROT Up turn on the power CH1 CH2 protection indicator Down turn off the power 3 6 REAR PANEL T 4D120 4D240 4D350 4D500 711 55 o 8 Grounding terminal 13 CH1 100V speaker output 9 AC power input 14 Remote Standby cascading standby 10 AC power fuse 15 State output 11 Cooling fan 16 Line input 12 DC 24V power input 17 Remote volume control External audio controller A 4 OPERATING INSTRUCTION VI Effective value over current protection fuse protection Weather the effective power current can temporarily reach the peak depends onthe impedance ofthe load and thetype ofsignal becausethe fuse protection support RMS several times of the standard power To preventturning the amp offin extreme cases the amplitude ofthe inputsignal should be reduced due to the SMPS over current protection there by reducing the power current consumption m 21 6 26 5V operating voltage range 24V DC power supply BATT SUPPLY DC24V INPUT Note Pls don t reverse the
8. al the corresponding port access VCA 10K 9 adjustable resistance adjustable size of the input signal A 3 NOMENCLATURE AND FUNCTIONS VI 3 1 FRONT PANEL T 1D120 1D240 1D350 1D500 a D E 1 SIG 4 Stby indicator CH1 signalindicator 5 24V DC indicator 2 CLIP 6 Powerindicator CH1 clipindicator 7 POWER SWITCH 3 PROT Up turn on the power CH1 protection indicator Down turn off the power 3 2 REAR PANEL T 1D120 1D240 1D350 1D500 177 8 Grounding terminal 13 CH1 100V speaker output 9 AC power input 14 Remote Standby cascading standby 10 AC power fuse 15 State output 11 Cooling fan 16 Line input 12 DC 24V power input 17 Remote volume control External audio controller NOMENCLATURE AND FUNCTIONS VI 3 3 FRONT PANEL T 2D120 2D240 2D350 2D500 C C D C 1 SIG 4 Stby indicator CH1 CH2 signal indicator 5 24V DC indicator 2 CLIP 6 Powerindicator CH1 CH2 clip indicator 7 POWER SWITCH 3 PROT Up turn on the power CH1 CH2 protection indicator Down turn off the power 3 4 REAR PANEL T 2D120 2D240 2D350 2D500 ee 9 AS 13 8 Grounding terminal 13 CH1 CH2 100V speaker output 9 AC power input 14 Remote Standby cascading standby 10 AC power fuse 15 State output 11
9. cause a to a gas pipe as a catastrophic disaster result fire or electrice shock e Avoid installing or mounting the unit in unstable locations such as on a rickety table or a slanted surface Doing so may result in the unit falling down causing personal injury and or property damage Do notinsert nor drop metallic objects or flammable materials in the ventilation slots of the unit s cover as this may result in fire or electric shock X 11 Uf X N CAUTION When Installing the Unit Never plug in nor remove the power supply plug with wet hands as doing so may cause electric shock When unplugging the power supply cord be sure to graspthe power supply plug never pull on the cord itself Operating the unit with a damaged power supply cord may cause a fire or electric shock When moving the unit be sure to remove its power supply cord from the wall outlet Moving the unit with the power cord connected to the outlet may cause damage to the power cord resulting in fire or electric shock When removing the power cord be sure to hold its plug to pull Do not block the ventilation slots in the unit s cover Doing so may cause heat to build up inside the unit and result in fire Avoid installing the unit in humid or dusty locations in locations exposed to the direct sunlight near the heaters or in locations generating sooty smoke or steam as doing otherwise may result in
10. d be increased when the distance is longer 10 ho 6 APPLICATIONS 7 jndjno 1exXeeds 00 jaued Kejdsip UY jueuudinbe Aiddns S euin oA 4 11 lt D O lt a Y O N ev LO Vd J4o0 eoipui jaued ayy vlOHd lOHd ZlONd G31YH2 31 Q311H9 MIHI IdWv 3Sd LPELO Wd zoud 1089 Md p 121008 ylONd 37 PHO YHO fenamin wun anssei HHO CHO SHO 1O0Nd LHO BEELO Wd NO ZHO nO LHI I312H9 IHO Adds E wnaecrioe Wd LEON 220048 1810098 swen Jonuoo Hob E AOZZIOLL jddns samog SLELO Wd ZISLO Wd Jeued ayy 9 oo EE LNO ZHO LNO Jaylidwe ald LEELO Wd 2 1 A 8 OPERATING INSTRUCTIONS VI 1 Startingup andclosing down Before con
11. e equipment enclosure ground terminal and ground powerlines common connection point Note there should be asection of the protective ground to have sufficient strength and current carrying capacity thereby ensuring under fault conditions exposed conductive parts will notlead to shock but not because of the current flowing through the point of focus to produce high temperature heating phenomenon A 5 WIRING INTRODUCTION VI DC power cable Will meetthe requirements of the nominal poweris connectedto the Power Interface terminal pay attention to the polarity kind of connection wires use 4 10AWG models 1 channel maximum support power 500W input current is 500W 24V 20 834 choose 10AWG wire 2 channel maximum support power 1000W input current is 1000W 24V 41 674 choose 7AWG wire 4 channel maximum support power 2000W input current is 2000W 24V 83 834 choose 4AWG wire Input line connection Input connectoris active power balance pins 1 grounding block pin 2 cold anode Pins 3 hot positive Note itis recommended to usesymmetry balance shielded cable because the balance of signal noise and radio interference of AC power sourceis notso sensitive And unbalanced lines can cause noise especially when long cable through 8 The outputline Connected directly with the constant voltage speaker Speaker output line should be 1 RVS pairtwisted copper wire The diameter shoul
12. es over 10 cm away from objects that may obstruct air flow to prevent the unit s internal temperature rise Over 100 Over100 Over 100 17 PUBLIC ADDRESS SYSTEM
13. fire or electric shock Due to product upgrades while some of the features and specification in the user manual does not match the actual functions sorry for any inconvenience and thanks for your kind understanding When Installing the Unit Do not place heavy objects on the unit as this may cause it to fall or break which may result in personal injury and or property damage In addition the object itself may fall off and cause injury and or damage Make sure that the volume ontrol is set to minimum position before power is switched on Loud noise produced at high volume when power is switched on can impair hearing Do not operate the unit for an extended period of time with the sound distorting Thisis an indication of a malfunction which in turn can cause heat to generate and result in a fire Contact your ITC dealer as to the cleaning If dust is allowed to accumulate in the unit overa long period of time a fire or damage to the unit may result If dust accumulates on the power supply plug or in the wall AC outlet a fire may result Clean it peri odically Inaddition insert the plug in the wall outlet securely Switch off the power and unplug the power supply plug from the AC outlet for safety purposes when cleaning or leaving the unit unused for 10 days or more Doing otherwise may cause a fire or electric shock An all pole mains switch with a contact separation of at least in each pole shall be incorpora
14. necting the amplifier to the power socket please make sure the supply voltageis cordance with labeled behind the backboard of amplifier QBefore connecting the powerline with power socket please make sure the power lineis notbroken Connect the power line before starting up and connect other equipments as well Pull up the power line afterclosing down a sound system the amplifier should be the first to start up and the last to close down Starting up order First start up the sound source equipments and then start up the amplifier Following this order you canavoid damaging the speakers 2 Standby control The GND and STBY IN or GND STBY THRU portfrom short circuit backboard can trigger amplifier standby function The machine disconnects amplifier output port and goes into standby status Stand by power consumption is less than 80W front panel STBY indicator lightis on Attention Theinput signal indicator light won t extinguish in stand by status Disconnect backboard GND and STBY IN or GND and STBY THRU shortcircuit condition the machine is recovering proper functioning 3 Monitoring port operation Circumscribe display panel from backboard monitor port GND and STBY OUT amplifier working condition can be monitored When the amplifier is working normally monitor port outputis 5V Direct voltage lightens circumscribed display panel build in indicator light When amplifier protection status is t
15. riggered because of high temperature or overload or output connection short circuit monitor port output low level OV circumscribed display panel indicator extinguishes It means the amplifieris in protection state When the amplifier returns to normal working status circumscribed display panel indicator is lightened F 9 FAULT DETECTION VI Failure Cause Check Check weather main power Check main power supply voltage voltage is well connected and power voltage polarity No reaction when poweron replace insurance tube ofthe of Weather AC fuse is blown the same specifications due tolong timeuse in full reduce the output power or Over Temperature failure power the internal tempera standby tillthe temperature ture exceeds the limit value crease The outputload is light the properly reduce the output output voltage is too high amplitude adjust the volume knob Overload or short check constant voltage output exceeds the rated capacity ide circuit overload or short circuit connect to external load exceeds therated capacity reduce the load PRECAUTIONS 1 Always use the fuse with the same specifications and be sure to tighten the fuse holder to prevent poor contact 2 Themachine uses single chip control so the continuous switch time interval should be more than 10 seconds 13 Boseron NJ Model T 1D12
16. ted in the electrical installation of the building Uses 48 gt 10 11 12 13 14 High efficiency class D power amplifier Standard cabinet design 1 5U humanized design exquisite craft all show high temperament Built in active bandpass filter filter out unwanted music signal effectively Balance signal input 1 2 4x120W 240W 350W 500W power output Panel wasregulating function independently Panel with signal peak protection the power indicator LED With amplifier output power standby control normal monitoring power amplifier standby cascade port Poweramplifier with DC24V power supply port charged pressureto adaptto therange 21 6 26 5V DC protection avoid long term supply for battery failure or damage of high voltage equipment AC alternating current power supply pressure Power amplifier output 100V voltage Electrical equipment electrical isolation signal input and the power output isolation in line with the ULVIEC60065 certification requirements Built in short circuit overload high temperature protection STBY IN sibling with STBY thru Normal when the port outputs high level short ofthe port the amplifier standby protection panel STBY red indicator light amplifier standby time and work STATE OUT output 5V whenthe amplifier output short circuit protection the port output low When the channel LINE IN input sign
17. tlet and contact your nearest ITC dealer Make no further attempt to Use the unit only with the voltage specified on operate the unit in this condition as this may cause the unit Using a voltage higher than that which fire or electric shock is specified may result in fire or electric shock If you detect smoke or a strange smell coming from the unit e Donotcut kink otherwise damage nor modify the e If water or any metallic object gets into the unit power supply cord In addition avoid using the If the unit falls or the unit case breaks power cord in close proximity to heaters and never If the power supply cord is damaged exposure place heavy objects including the unit itself on of the core disconnection etc the power cord as doing so may result in fire or If itis malfunctioning no tone sounds electric shock prevent a fire or electric shock never open nor Be sure to replace the unit s terminal cover after remove the unit case as there are high voltage connection completion Because higi voltage components inside the unit Refer all servicing is applied to the speaker terminals never touch to your nearest ITC dealer these terminals to avoid electric shock Do not place cups bowls or other containers of Be Sure to ground to the safety ground earth liquid or metallic objects on top of the unit If they terminal to avoid electric shock Never ground accidentally spill into the unit this may
18. z LI 115V 60Hz 120V 50Hz 120V 60Hz Power supply 220V 50Hz 220V 60Hz 230V 50Hz 230V 60Hz 1 240V 50Hz 240V 60Hz Power supply 24 V DC rated power 21 6 26 5V operating voltage range Maximum power dissipation 576W 840W 484x444 5x65mm 1200W Dimension Weight 15 Cf secors V Rated output power 4 120W 4 240W 4 350W 4 500W Peak output power 4 180W 4 360W 4 525W 4 750W Power interface output 100V Input Sensitivity amp lmpedance LINE IN 775mV 10KQ Frequency 80Hz 16KHz 1dB 3dB S N Ratio 285dB THD 80Hz 16kHz 10dB below maximum power 0 296 1 kHz maximum power 196 Overall efficiency 28596 Radiating After a forced airinto the front 50 70 C Thermostat Protection With short circuit overload over temperature protection output DC 110V 50Hz 110V 60Hz O 115V 50Hz 115V 60Hz 120 50Hz 120V 60Hz Omer EPpy 7 220V 50Hz C 220V 60Hz 230V 50Hz 230V 60Hz 240V 50Hz 240V 60Hz Power supply 24 V DC rated power 21 6 26 5V operating voltage range Maximum power dissipation 576W 1152W 1680W 2400W Dimension 484x444 5x65mm Weight 9 8Kg 16 z 11 DIMENSIONAL DIAGRAM VI UNIT mm 465 10 444 5 Keep the units all sid
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