Omega Speaker Systems 23301 Automobile Parts User Manual
Contents
1. c STEREO BI AMP lt Setting STEREO MA 9S1 For R ch MF HF MA 9S1 MA 9S1 For L ch For R ch 4 Connections This connection can have options i e You may connect the units using either balanced or unbalanced cables to connect your SACD CD and control Amp But you can not inter match Please select either way of connection Enhance the connection 1 to Bi Amp connection and drive the Bass speaker and Mid High speakers with separate power Amplifiers E Bi Amp connection The benefits of Bi Wiring drive the Bass speaker and Mid High speakers with separate power Amplifiers Bi Amping will lessen the burden of Power Amp impedance so that back electromo tive force between the Low and Mid High signal can be less ened We can expect drastic improvement of sound quality Bi Amp connection Speaker system AAA Mid High Power Amp F4 speaker unit Power Amp N Low speaker Caution If the Mode switch on the S C 7S1 is set to stereo then the unbalanced connections must2. BALANCED 26 0 3 To Tu y NFB INPUT i qo oF voL m MCN H o SACD CD gt i 1 mmo PH c ry DE Rh Ds 97 eg He PREOUT o to 4 H PH i UNBALANCED 1 LINE 2 OH A i voL i H i ll UNBALANCED 2 TAPE 94 H i gt lt b REC OUT d MUTE DRIVER INPUT SELECTOR pee eee Mar RELAY VOLUME DRIVER S VW OO ot ATT SW x y E P AMD DISPLAY DISPLAY SW gt u CoM een gt LED DISPLAY B woo i gt RELAY R x AA IN gt VOL ID SW v AOS MODEM A CONTROL OUT 19 10 Trouble shooting Should faults occur in many cases it is not necessary to consult your dealer or a Marantz technical service department On the basis of the following checks you will be able to rectify a number of faults yourself without difficulty If the fault cannot be remedied after the following checks please consult your dealer or nearest Marantz service agent The unit does not turn ON 1 Is the power cable securely connected to both the connec tion terminal of this unit and an AC outlet Sound is not coming from the speakers 1 Has the wrong input source been selected with the NPUT SELECTOR on the front panel 2 Is the ATTENUATOR feature set to and has it been en gaged 3 Is the SYNC indicator on the front panel lit Has the wrong D No been set Is the remote cable wrong
3. 16 Press the ATT button the attenuation level will be changed with every press DISPLAY ATT o o Attenuate function level Setting 20 dB Y 40 dB Press ATT button Y Unless the button is pressed within 2 seconds the attenu ation level will be fixed Once the level is fixed the display will turn back to the volume indication The setting will be memorized 7 How to operate function and how to set up E Trim adjustment function You can adjust the output level within 6 0dB 6 0dB 0 5dB step for each channel e How to adjust Trim setting In case of 1 unit Press the Trim mode button on the Remote control Then A ch indicator on the Front display will illuminate red the Green colored Sync indicator will begin flashing The Volume indicator will show the Trim adjustment level on the Ach stereo control amplifier sc 7s1 TRIM MODE EXIT Light Red Flash Green Once the Trim A button 4 on Remote control is pressed The Trim adjustment level will be increased by 0 5 dB step and the output level on the A ch will be increased stereo control amplifier sc 7s1 Light Red Flash Green Once Trim A button W on Remote control is pressed the Trim adjustment level will be decreased by 0 5 aB step and the output level on the A ch will be decreased
4. 13 5V BALANCED 13 5V UNBALANCED Total harmonic distortion 20Hz 20kHz 0 0015 BALANCED 0 003 UNBALANCED Frequency response 0 3dB 3Hz 150kHz BALANCED 3Hz 150kHz UNBALANCED Input sensitivity Input impedance 420mV 20kQ BALANCED 420mV 20kQ UNBALANCED Output impedance enne rires 2200 BALANCED 2200 UNBALANCED S N UE SA scettr ter vere eges 103dB BALANCED 105dB UNBALANCED Channel separation 2OKHZ esseere 100dB BALANCED 100dB UNBALANCED Volume adjustment range co 100 OdB 0 5dB STEP Trim level adjustment range 6dB 0 5dB STEP Attenuator setting level 20 40 60 eodB Supply voltage SC7S1 N1G conincccnicncininnnncnanananinnnnos AC 230 V 50Hz SC7S1 U1G AC 120 V 60Hz Power consumption SC7S1 N1G sse 22W 0 1 A SC7S1 U1G 22W 0 2 A DIMENSIONS aiii dle W 459mm H 136mm D 441mm AVENE RN 21kg B Dimensions All specifications dimensions and weights are subject to change without notice 9 Block diagram Unit mm 441 459 PP ENE 2 V ah
5. FRONTR FRONTL SURROUNDR SURROUNDL SUB WOOFER CENTER SC 781 For front center Sub Woofer SC 781 For Sorround L ch R ch lt Setting STEREO MA 9S1 For R ch MA 9S1 For surround R ch ForL ch For surround L ch This connection style can have options i e You may connect the units using either balanced or unbalanced cables But you can not intermatch Active Powered Sub Woofer Select either way of connection 11 5 Name and function Front panel input selector D Power switch The switch is used to Power the unit ON and or OFF Once the unit is powered On the indicator of the Input Selector will illumi nate for the source selected The SC 7S1 will be ready in ap proximately 8 seconds
6. 2 Remote control sensor This is the IR Infra Red window which receives IR control sig nals being sent from the remote control How to use remote control gt p 14 3 Input selector knob The input Selector Knob will determine what source is being played as well as well as able to be recorded When the Source is selected the Blue indicator will be illuminated to verify the Source selected When the unit is powered down the last se lected source will be held in memory When the unit is powered on again the last selected source will be selected When tape is Selected there will be no signal output to the record output 4 Display section Displays the settings amp volume level 12 Conan peri stereo control amplifier sc 7s1 volume 5 Volume knob The Volume knob is used to increase amp decrease the overall volume level By turning the Volume Knob clockwise the vol ume will be increased By turning the Volume Knob counter clock wise the volume will decrease When powering the unit off the last volume setting will be memorized ATT Attenuation button indicator The ATT button is used to reduce the volume quickly with just one touch Once the button is pressed the volume will be de creased The Volume Display will begin blinking amp the Volume Indicator above the ATT button will illuminate If you press the ATT button again the Volume Display will stop blinking amp dis play the Volume lev
7. Line 2 Tape Un balanced terminal This terminal is to connect the unbalanced terminals of compo nents i e SACD CD etc When Bi Amping terminal B can not be used 3 REC out terminal The terminal connects to the Input of Recording equipment i e CD Recorders DAT etc When Bi Amping the signal being input to channel A will be output to both A amp B channels 4 Pre out Unbalanced 1 2 terminal This connects to the un balanced inputs of a Power Amp When Bi Amping the signal being input to channel A will be output to both A amp B channels 5 Pre out Balanced terminal This terminal is connected to the Balanced input of the Power Amplifier When Bi Amping the signal being input to channel A will be output to both A amp B channels 6 Remote control In Out terminals These terminals are for connecting one or more SC 7S1s to each other The IN is for receiving control signals The OUT is for sending Control signals 7 ID No switch Whilst several SC 7S1 are connected to set up respective ID No to distinguish each products When only 1 unit is used the No will be set 1 setting is lt 1 gt This switch is to give ID numbers to each SC 7S1 when two or more are used When using only 1 SC 7S1 the ID switch is set to 1 Factory setting is 1 Trim adjustment in case of several units of SC 7S1 gt p18 If using 2 or more SC 7S1s you can use the trim Adju
8. O stereo control amplifier sc 7s1 A TRIM 4 v BALANCI CD NIN Light Red Flash Green 3 Once the Trim B button A or W on Remote control is pressed Indicator on the A ch will be turned off the indica tor on the B ch will be illuminated Then Sync indicator remains flashing Green stereo control amplifier sc 7s1 Flash Green Light Red The Volume indicator will show the Trim level on the B ch Oncethe Trim B button A on the Remote control is pressed the Trim adjustment level will be increased by 0 5 dB step the output level on the B ch will be increased stereo control amplifier sc 7s1 Flash Green Light Red Once the Trim B button W on the Remote control is pressed the Trim adjustment level will be decreased by 0 5 dB step the output level on the B ch will be decreased stereo control amplifier sc 7s1 Flash Green Light Red Once you have completed the trim adjustment press the Exit Button on the remote control This concludes the ad justments and memorized them RIM MODE EXIT ATT QO A A 17 7 How to operate function and how to set up If using more than 1 SC 7S1 Set up the ID numbers to the respective SC 7S1s to identify each of the SC 781s D Set up the ID No switch 1 for the main unit of the SC 7S1 to control others which is called Master un
9. regulations or environmental public instruction s rules that apply in your country or area Do not place anything about 1 meter above the top panel Make a space of about 0 2 meter around the unit www marantz com You can find your nearest authorized distributor or dealer on our website U S A Marantz America Inc 1100 Maplewood Drive Itasca IL 60143 U S A HBR aa randiZ is a registered trademark
10. remote control unit may be disabled Bear in mind that operating the remote control unit may cause other devices operated by infrared rays to be operated by mistake The remote control unit cannot be operated if the space be tween the controller and the player s remote sensor is ob structed Do not place any objects on top of the remote control unit Doing so may cause one or more buttons to be held down which will cause the batteries to run down 6 Standard operation B How to Play D Power on the SC 781 In case you have several SC 7S1s connected please power on from the smaller No of ID to the larger No Once the power is on the Front display and input indicator for the currently selected source will be illuminated POWER Input Source Indicator Indicator Upon initial turn on the sound will be muted for approxi mately 8 seconds Q Select the input source by the input selector button or the Input select button on the Remote control O It is recommended to turn the volume down to the mini mum level after each use before Powering the unit off Play music by operating equipments such as CD Players HO 5 Adjust the volume by the buttons A W of SC 7S1 or the Remote control 9 If the display button is pressed the volume indicator will be turned off 4 3 Um O O OO o B How to record D Power on SC 781 Select the s
11. usada TR UN 20 Mad ea 20 1 Instruction for use B Foreword This section must be read before any connection is made to the mains supply B Equipment mains setting Your Marantz product has been prepared to comply with the household power and safety requirements that exist in your area SC7S1 N1G version product can be powered by 230 V AC only SC7S1 U1G version product can be powered by 120 V AC only E Copyright Recording and playback of any material may require con sent For further information refer to the following Copyright Act 1956 Dramatic and Musical Performers Act 1958 Performers Protection Acts 1963 and 1972 any subsequent statutory enactments and orders B Precautions The following precautions should be taken when operat ing the equipment General Precautions When installing the equipment ensure that the ventilation holes are not covered airis allowed to circulate freely around the equipment itis on a vibration free surface it will not be exposed to interference from an external source _ it will not be exposed to excessive heat cold mois ture or dust _ it will not be exposed to direct sunlight _ it will not be exposed to electrostatic discharges Never place heavy objects on the equipment If a foreign body or water does enter the equipment contact your nearest dealer or service center Do not pull out the plug by pulling
12. Pre Amps And separate Left Right chan nels from the output terminal of CD player As a result influ ences between L channel and R channel Mid High signal and Low signal will be eliminated Complete Bi Amp connection Speaker system AAA Mid High Power Amp speaker unit CD Player Power Amp ie D Speaker By connection with the remote cable a maximum of 6 SC 71s can be operated together Caution In the event of setting the mode switch as Bi Amp B channel input can t be used 4 Connections SSS AAA ns B Installing the SACD multi channel audio speakers In order to enjoy SACD multi channel sound with the best possible acoustics it is recommended that the speaker systems be laid out in compliance with the ITU R BS 775 1 recommendation which is a standard formulated by the International Telecommunication Union ITU SACD multi channel discs are recorded and mixed in such a way that they will achieve the optimum effects when the speaker systems are laid out as per the ITU R BS 775 1 recommendation e On SACD multi channel discs the music signals are basi cally recorded using 5 channels or 3 4 or 6 channels in some cases In some instances however LFE for the sub woofer is recorded as a sixth channel Each disc indicates how many channels have been recorded on it e The basic settings are 3 speakers for front and 2 for back since multi channel discs
13. are should be taken to keep from touching such power lines or circuits as contact with them might be fatal Overloading Do not overload wall outlets extension cords or integral convenience receptacles as this can result in a risk of fire or electric shock Object and Liquid Entry Never push objects of any kind into this product through openings as they may touch dangerous voltage points or short out parts that could result in a fire or electric shock Never spill liquid of any kind on the product Servicing Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltage or other hazards Refer all servicing to qualified service personnel Damage Requiring Service Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions When the power supply cord or plug is damaged If liquid has been spilled or objects have fallen into the product If the product has been exposed to rain or water If the product does not operate normally by following the operating instructions Adjust only those controls that are covered by the operating instructions as an improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to its normal operation If the product has been dropped or damaged in any way and When the product exhibits a distinct cha
14. be used 4 Connections Connection 3 Complete Bi Amp connection Make sure your speakers are designed for Bi Amp capabilities E Signal flow SACD Player CD Player CD Recorder Tape Deck To connect analog output Rch of FM tuner VCR SC 7S1 ForL ch Bch can t AT ote Bch can t VP E BI AMP be used be used h Say a_i i Setting BI AMP MA 9S1 L MA 9S1 For L ch For R ch 4 Connections This connection can have options i e You may connect the units using either balanced or unbalanced cables to connect your SACD CD and control Amp But you can not inter match Your Control Amp amp Power Amp can also be wired the same way Please select either way of connection ll Complete Bi Amp connection Enhance connection 2 by having one more control Amp SC 7S1 this is a wiring which separates Mid High signal and Low signal from the Pre Amp section In this event the SC 7S1 is used as Monaural
15. d mil smettere uot det intr Mutant een Leere Mr turn UE a do de 5 Connection 2 Bi Amp Connection Speaker system needs to comply with Bi Amp connection eeeeeeeeeeeeeseeeeeeenn nennen nnne nnnm nnne nnn natn nn nnn 6 BirAMp COMMECTION MER a c 7 Connection 3 Complete Bi Amp Connection Speaker system needs to comply with Bi Amp connection eese esee enne enne enne nnne nene 8 Complete Bi Armp eorneCctlOr s 1i cedet eria P a INR E RRR lees 9 Installing the SACD multi channel audio speakers Lesen rc 10 Connection 4 5 1ch multi channel connection ueeeeeiieeeeeieeseeiseeeee ense nennen nnnm n nnnm nnns nnns snas nsns nsns sn nn sant nnns 11 5 Name Ad AICA Premi Tp 12 For use of Remote Ai diia 14 6 Standard operation issiria aian ii COUR 15 How to Play imei deo aie da de eta ce e teca dee Do Aci A ed a ae iol d a ec IA 15 FIOW tO rGcOE Cz de ra o edad a de Soda de di sk nni 15 7 How to operate functions and how to set Up ccccccseseseeeeeeeeeeeeeeeeeeeeeseneeneeeeeeseeeeseeeeeees 16 Attenuate fubicetQObs d ttti on e petet tedihcsd E 16 How to set up attenuation level nie Let t ee e e perit Ld a meto n bet a vel 16 Trim adjustment TUMCTION sos us e c m RR UR RR ese He E AC RE e REC HARLUERE PR E 17 8 SPECHICALON m ii 1 15in e 19 ier Tejjifer w olg LP LI MUN EUM 19 DIMENSIONS EON IBID T mem 19 cn A O 19 10 Trouble shooting
16. e the same ID No 11 Maintenance The section describes the care and maintenance tasks that must be performed to optimize the operation of your Marantz equipment O Cleaning of equipment external surfaces The exterior finish of your unit will last indefinitely with proper care and cleaning Never use scouring pads steel wool scourging powders or harsh chemical agents e g lye solution alcohol thinner benzene insecticide or other volatile Substances as these will mar the finish of the equipment Like wise never use cloths containing chemical substances If the equipment gets dirty wipe the external surfaces with a soft lint free cloth If the equipment becomes heavily soiled dilute some liquid soap in water in a ratio of one part deter gent to six parts water e dip a soft lint free cloth in the solution and wring it until it is damp wipe the equipment with the damp cloth dry the equipment by wiping it with a dry cloth 9 Repairs Only the most competent and qualified service techni cians should be allowed to service your Marantz Equipment The factory trained warranty station personnel have the knowl edge and special facilities needed for repair and calibration of this precision equipment After the warranty period has expired repairs will be performed for a charge if the equipment can be returned to normal operation In the event of difficulty refer to your dealer or write directly to
17. el You can decrease the volume by 20dB 40dB amp 60dB Please refer to page 16 for further information regarding Attenuation functions Display button indicator This button is to turn off the Volume Indicator amp the Light for the Volume Indicator If the volume Indicator amp light are on and you press this button they will both be turned off Also the light above this button will be illuminated If you make any adjust ment the Volume Indicator amp Light will come on for 3 seconds then shut off again If you press this button again the Volume Indicator amp Light will be turned on and the light above this but ton will shut off Display section l L Qi A Li Li I bw fe 4 g DESEO I Power indicator This Indicator is to show if the power is on When power is on the blue light will be illuminated Il Volume indicator This will display the volume level and changes made to the vol ume with either the Remote Control or the Volume Knob on the face of the unit After 3 seconds of being powered on the ID number will be displayed The ID number is changed by the ID Turn the volume knob clock wise or press volume A button of the Remote Con trol 0 5 dB step lt gt 0 00 00 gt o o UJ Turn the volume knob counterclockwise or press volume W button of the Re mote Control Switch on the rear panel of the unit If the a
18. erence Heed Warnings All warnings on the product and in the operating instructions should be adhered to Follow Instructions All operating and use instructions should be followed Cleaning Unplug this product from the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a damp cloth for cleaning Attachments Do not use attachments not recommended by the product manufacturer as they may cause hazards Water and Moisture Do not use this product near water for example near a bath tub wash bowl kitchen sink or laundry tub in a wet basement or near a swimming pool and the like Accessories Do not place this product on an unstable cart stand tripod bracket or table The product may fall causing serious injury to a child or adult and serious damage to the product Use only with a cart stand tripod bracket or table recommended by the manufacturer or sold with the product Any mounting of the product should follow the manufacturer s instructions and should use a mounting accessory recommended by the manufacturer A product and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the product and cart combination to overturn LA rsh Ventilation Slots and openings in the cabinet are provided for ventilation and to ensure reliable operation of the product and to protect it from overheating and these openings must n
19. have basically 5 channels The 2 front 1 center and 2 surround speakers should be set on the circle from the listening point as shown below When you use different sizes of speakers please adjust the volume balances e The location of the sub woofer in the picture is just an ex ample The Sub woofer can be located any place in your room See the users manual of your sub woofer Sub wooler Canbar Sneaker irme a 8 Frani speaker Front apeaker Lastt o Ps Peght Pu r ECC ho ee Hear speaker Fight Surround Akar speaker Left Surround 10 4 Connections Connection 4 5 1ch multi channel connection This Connection is standard for Multi channel sound source This will enable you to experience the high quality sound acoustic for the professional Home theatre and pure multichannel SACD The complete system is controlled using 3 SC 7S1 Stereo Control Amplifiers The system can be enhanced to e lt 3 SC 7S1s 10 MA 9S1s Active sub woofer gt e lt 6 SC 7S1s 10 MA 9S1s Active sub woofer gt Caution e f you use an Active powered sub woofer for LFE please refer to the User s manual of the Active sub woofer for set up instructions LFE Low frequency Effect is the channel for Low Frequency only SACD Multi Channel Player etc e n case you use a Passive sub woofer for LFE a Monaural power Amp such as the MA 9S1 can be used to drive it MULTI CHANNEL AUDIO OUT Wb Signal flow
20. it The ID No set up will be indicated in the display window for 3 seconds when the unit is powered on stereo control amplifier sc 7s1 Light Green Q Set up the other SC 7S1s lt 2 gt lt 6 gt which will be controlled by the Master They are called Slave units The ID No set up will be indicated in the display window for 3 seconds when the unit is powered on stereo control amplifier sc 7s1 ID NO 64 Light RED 3 The Trim adjustment set by the Master will be the same for all Slave SC 7S1s Once the set up for the Trim has been finished press the Trim mode button on the Remote control The trim adjustment will move from Master to Slave Then the indicator on the Front display of the Slave will illu minate Red the Sync indicator will flash Red stereo control amplifier sc 7s1 TRIMMODE EXIT Light Red Flash Red 18 5 Please refer to p 17 for Trim adjustment If the whole system consist of more than 3 units please repeat the same procedure and set up the remaining units Make sure to change the ID in the SC 7S1 to match the ID of the amplifier being adjusted Once you have completed the trim adjustment press the Exit button on the remote control This concludes the ad justments and memorizes them RIM MODE EXIT ATT A A 8 Specification E Specification Maximum output voltage 20Hz 20kHz
21. l amps by using a floating control bus system con nected to as many as 6 sets of control amplifiers We also enable you to trim levels using the remote control making it easy to set up the optimal sound field on a multi channel configuration The highest achievable ste reo performance can be accomplished when a system configured with two sets of SC 7S1 and four sets of MA 981 are connected in a bi amped mode You will experience superb sound with unbelievable chan nel separation 4 Connections Connection 1 Stereo connection Wi Signal flow SACD Player CD Player CD Recorder Tape Deck o o o0 PEOR cO eo MODE STEREO BI AMP lt Setting STEREO To connect analog output of FM tuner VCR MA 9S1 For L ch For R ch This connection can have options i e You may connect the units using either balanced or unbalanced cables to connect your SACD CD and control Amp as well as the SC 7S1 with MA 9S1s But you can not inter match 4 Connections Connection 1 4 are recommended by Marantz for SC 7S1 with Marantz MA 9S1 If using the MA 9S1s Please read the ins
22. ly connected 4 Are connections cables correctly connected between the unit and player or power amplifier 5 Is the power amplifier or input source wrongly set 6 Are speaker cables properly connected between the power amplifier and the speaker system 7 Are you using the player in the wrong way Stereo sound is not coming from the speakers 1 Is the MODE switch on the rear panel set to BI AMP E About Error Codes If any of the error codes shown in the below table ap pear on the display on the front panel while using mul tiple SC 7S1s there is something wrong with either the ID No setting or the remote cable connection In such case shut OFF power to the power amplifier then shut OFF power to all SC 7S1s and check the ID No setting and remote cable connection as explained in the What to do column below Meaning What to do No 2 has been set Set the ID No switch so tiple units that multiple units do not share the same ID No 3 has been set tiple units 4 has been set tiple units 5 has been set tiple units 6 has been set tiple units Communication is not Is power to ID No 1 ON possible between ID Check the IN OUT con No 1 master and ID nections of the remote Nos 2 6 slaves cable and properly con nect as necessary ID No 1 master has Set the ID No switch so been set for multiple that multiple units do not units shar
23. mara mtzZ Model SC 7S1 User Guide A A M Stereo Control Amplifier RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE THE COVER OR BACK NO USER SERVICEABLE PARTS ARE INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the product The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE CAUTION TO PREVENT ELECTRIC SHOCK MATCH THE WIDE BLADE OF THE PLUG TO THE WIDE SLOT AND FULLY INSERT IMPORTANT SAFETY INSTRUCTIONS READ BEFORE OPERATING EQUIPMENT This product was designed and manufactured to meet strict quality and safety standards There are however some installation and operation precautions which you should be particularly aware of 1s Read Instructions All the safety and operating instructions should be read before the product is operated Retain Instructions The safety and operating instructions should be retained for future ref
24. nge in performance this indicates a need for service Replacement Parts When replacement parts are required be sure the service technician has used replacement parts specified by the manufacturer or have the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other hazards Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the product is in proper operating condition Wall or Ceiling Mounting The product should be mounted to a wall or ceiling only as recommended by the manufacturer Heat The product should be situated away from heat sources such as radiators heat registers stoves or other products including amplifiers that produce heat Table of Contents 1 gio iei anina raana aeaaea anaa a aha aa alaaa e aeaa aa ainada aaa aa aa eaa aiaia Eaa ki 2 RIEAN ck E A E ETOT E A T E E steven ENE ATA T E E 2 EQUIPIMENEIMAINS SOTLING s PAETE lt E E OET 2 A EE A EE AE E A E E rode c m 2 Ree EEEE E A E EEE De A EEEE EEE en AAE EE A de ect ad ie e A E a er 2 How touse batteries RENE A A A aa Aa a Ea e aia ee Des dees aara hebn 2 2 N E Lo a E iure cae 2 3 Main features ot this PrOGUCt ocio rad ee XD aec bis Cora ds ru DE cx e RS E E BR e DER IDEE GER ERROR 3 A CONMCCTIONS a lito 4 Connection 1 Stereo connection eueeiieeeesiiee es ERRE 4 Balance
25. on the mains lead pull from the plug itself It is advisable when leaving the house or during a thunderstorm to disconnect the equipment from the mains supply E How to use batteries Improper use of batteries may cause the risk of fluid leakage or explosion Be especially careful in the following points CD Insert the batteries with the correct and polarity as indi cated inside the battery case Do not use a brand new battery and used battery together 3 Dry cell batteries may produce different voltages even when their shapes are the same Do not use different types of batteries together Some batteries are rechargeable and some are not Be sure to read the caution and instructions described on each bat tery Used batteries should be disposed of in compliance with the treatment method specified for your local area 2 Accessories After opening the cover of the packing box check that the following accessories are included e AC Power Cable Model SC7S1 N1G Model SC7S1 U1G e Remote Control RC 7S1SC as e AAA RO3 Batteries SS e Remote Cable e Instruction Manual this Copy 3 Main features of this product O The concept channel separation for super wide range amp dynamic audio We think it s of the utmost importance to extend high frequency response as well as channel separation so you can hear the true meaning of Super Audio This is why we have designed the inpu
26. ot be blocked or covered The openings should never be blocked by placing the product on a bed sofa rug or other similar surface This product should not be placed in a built in installation such as a bookcase or rack unless proper ventilation is provided or the manufacturer s instructions have been adhered to Power Sources This product should be operated only from the type of power source indicated on the marking label If you are not sure of the type of power supply in your home consult your product dealer or local power company For products intended to operate from battery power or other sources refer to the operating instructions Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade of the third prong is provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet AC POLARIZED PLUG Power Cord Protection Power supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular attention to cords at plugs convenience receptacles and the point where they exit from the product 14 20 21 22 23 24 25 Protective Attachment Plug The product is equipped with an attachment plug having
27. ource you want to record via the Input selector on the SC 781 or The Remote Control Prepare for Play back of the selected source Make sure your recording unit is connected to the REC output terminal Perform opera tions on your recording device to begin recording If Tape is selected for your input source you will not be able to record Because there is no analog output to the REC out 4 2 a BALANCED SACD CD O LINE 1 LINE 2 TOO TAPE a O o 15 7 How to operate function and how to set up E Attenuate function With one touch the volume can be decreased instantly The ATT button on the SC 781 or the Remote Control is used for this function Unit Remote Controller asume de W DISPLAY ATT o o EXIT ATT 88 7 On The volume will be indicated in the display window amp the indica tor above the ATT button will be illuminated stereo control amplifler sc 781 power imd o Factory setting is 20dB But this can be changed to 40dB or 60dB Light O E How to set up the attenuation level Press ATT button for more than 2 seconds DISPLAY ATT The Indicator above the ATT button will begin to flash the volume indication will be changed to the attenuation level setting stereo contro amplifier sc 781 power pisriay A o 0 Flash O
28. overload protection This is a safety feature See the Instruction Manual for replacement or resetting of the protective device If replacement of the plug is required be sure the service technician has used a replacement plug specified by the manufacturer that has the same overload protection as the original plug Outdoor Antenna Grounding If an outside antenna or cable system is connected to the product be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built up static charges Article 810 of the National Electrical Code ANSI NFPA 70 provides information with regard to proper grounding of the mast and supporting structure grounding of the lead in wire to an antenna discharge unit size of grounding conductors location of antenna discharge unit connection to grounding electrodes and requirements for the grounding electrode See Figure 1 Lightning For added protection for this product during a lightning storm or when it is left unattended and unused for long periods of time unplug it from the wall outlet and disconnect the antenna or cable system This will prevent damage to the product due to lightning and power line surges Power Lines An outside antenna system should not be located in the vicinity of overhead power lines or other electric light or power circuits or where it can fall into such power lines or circuits When installing an outside antenna system extreme c
29. stment See page 18 Initial 8 Mode switch The switch to change Stereo mode and Initial setting is lt stereo gt Bi Amp mode In case the SC 7S1 is used for normal 2 channel Setting lt Stereo gt mode e Incase of complete Bi Amp connection with 2 units of SC 7S1 Setting lt Bi Amp gt mode In case of lt Bi Amp gt mode the signal input from A channel will be out to both of A B channels through the Pre out terminal and REC out terminal Then the input terminal on B channel can not be used This switch is to switch between Stereo amp Bi Amp Mode Fac tory setting is Stereo Stereo is used for using only 1 SC 7S1 If using 2 or more SC 7S1s you will set the switch to Bi Amp Mode When Bi Amping the signal being input to channel A will be outputted to both A amp B channels through the Pre out amp REC out terminals The B input terminal can not be used in Bi Amp Mode 9 AC IN socket Connect to a household power outlet with supplied AC CORD 13 5 Name and function Remote controller nnnenneemnmt rzz RC 7815C 1 Trim Mode Button to switch to Trim mode for trim adjustment 2 Exit button Button to finish Trim mode after Trim adjustment 3 ATT Attenuation button Button to attenuate at one touch 4 Trim A A V Trim A Channel up down button Button to fine tune the output level of the A ch by Trim adjust ment 5 Trim B A V Trim B Channel up down bu
30. t and output cir cuitry volume control section and power supply circuits according to this philosophy The result an astonishing channel separation of over 100dB at 20kHz O Fully balanced control amp with an linear volume control The SC 7S1 is a full balanced two channel control amp providing the channel separation you need for Super Audio Based on our own high quality four gang active volume control we have developed an even better linear control volume that reduces gang errors from O to 100dB 0 5dB By adding an additional HDAM SA High Defini tion Amplifier Module we improved the Common Mode Reject Ratio CMRR dramatically attaining an incredible ultra wide frequency band of 150kHz and succeeded in producing the perfect control amplifier for Super Audio CD HDAM SA The feedback impedance of the Current Feedback cir cuit was reduced to its minimum to make it faster We developed a new High Definition Amplifier Modules HDAM a separeted module operating as a buffer for the amplifier The SC 7S1 has four HDAM SAs on each input output buffer and another four units on the V I converter O Choke input system In the power supply section the choke input topology was adopted to drastically reduce rectifier harmonic noise This system is especially suitable for a control amplifier in which very small signal amplification occurs O Floating control bus system We make it possible to synchronously drive two or more contro
31. the nearest location to you that is listed on the Marantz Authorized Service Station list If writing please include the model and serial number of the equip ment together with a full description of what you think is abnormal about the equipment s behavior WARRANTY For warranty information contact your local Marantz distributor RETAIN YOUR PURCHASE RECEIPT Your purchase receipt is your permanent record of a valuable purchase It should be kept in a safe place to be referred to as necessary for insurance purposes or when corresponding with Maraniz IMPORTANT When seeking warranty service it is the responsibility of the consumer to establish proof and date of purchase Your purchase receipt or invoice is adequate for such proof FOR U K ONLY This undertaking is in addition to a consumer s statutory rights and does not affect those rights in any way CE MARKING C The SC7S1 N1G is in conformity with the EMC directive and low voltage directive WARNINGS Do not expose the equipment to rain or moisture Do not remove the cover from the equipment Do not insert anything into the equipment through the ventilation holes Do not handle the mains lead with wet hands Do not cover the ventilation with any items such as tablecloths newspapers curtains etc No naked flame sources such as lighted candles should be placed on the equipment When disposing of used batteries please comply with governmental
32. truction manual for the MA 9S1 Name and Function gt P13 Standard set up in using Marantz Monaural Power Amp MA 9S1 Please refer to this connection in the event of using other Power Amps also e SC 7S1 doesn t have a Phono equalizer So in the event of using a turn table please use a Phono equalizer to connect with the SC 7S1 e n the event that stereo L ch signal has been wired with A ch input the signal will come out of the pre out of the A ch Please pay attention to L ch R ch if SC 7S1 is connected with other equipment E Balanced terminal CD The balanced output connector uses a XLR connector Q The XLR connector is internally wired in either of the follow ing two systems 1 USA system Pin 2 COLD Pin 3 HOT 24 The SC 7S1 uses the USA system of 1 When a preamp or main amplifier adopting the Euro pean system is connected using a cable with XLR balanced connectors the reproduced signal may be inverted of phase In this case correct the wiring of one of the XLR connec tors on the extremities of the cable to the USA system by exchanging the connections of pins 2 and 3 This will make it possible to play the signal with the correct phase 4 Connections Connection 2 Bi Amp connection Make sure your speakers are designed for Bi Amp capabilities Wb Signal flow SACD Player CD Player CD Recorder Tape Deck otoo Sor cO eo
33. ttenuate function or trim adjustment is being used the levels will also be indicated If using several SC 7S1s and they are not connected properly and error code will be indicated Error message gt p20 Ill A B CH Indicator During trim adjustment the indicator lights will be illuminated in accordance to the adjustments See Trim adjustment gt p17 IV SYNC Synchronized Indicator The indicator will be illuminated in accordance with the ID num ber setting e Green color illuminated ID No is set up 1 e Red illuminated ID No is set up 2 6 several SC 7S1 are connected In this state the unit can not be operated via the remote control or by the unit itself e Light off There is an error in the remote connections e Green or Red color will be flashing While trim is being adjusted When you use the remote control please face it towards the SC 781 Rear panel 5 Name and function El El INPUT SACD CD Tem LINE e 2 TAPE OUT UNBALANCED 1 2 REC EEE PRE OUT CONTROL ID NO O O 9 A marantz e BALANCED OUT O stereo T serve E coLo HOTH BALA gt El CONI CTION Q coLD 1 Input Balanced terminal This terminal is to connect the components which have bal anced outputs i e SACD CD Player When Bi Amping terminal B can not be used Balanced terminal gt p5 2 Input SACD CD Line 1
34. tton Button to fine tune the output level of the B ch by Trim adjust ment 6 Input selector button Button to select input source 7 Volume A V Volume up down button Button to adjust volume 14 E For using the Remote Control e Loading batteries Before using the supplied remote control for the first time load the batteries in the remote control The batteries pro vided are used only to verify the operations of the remote control 1 Remove the battery cover which is found on the back side of the remote control 2 Load the two new size AAA batteries inside the battery compartment while taking care to align their polarities correctly with the polarity markings with O and with Qe E 3 Push the cover on the back side in the direction of the arrow to close e Operatable range of the Remote control Operate the remote control unit RC 7S1SC within a dis tance of approx 5 m from the infrared signal reception win dow remote sensor on the front of the SC 7S1 Remote control operation may not be possible if the remote control unit s transmitter is not pointing in the direction of the remote sensor or if there is an obstruction between the transmitter and the remote sensor e Caution Do not allow direct sunlight an inverter fluorescent light or other strong source of light to shine onto the player s infrared signal reception window remote sensor Otherwise the operation of the
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