Yamaha CS70M User's Manual
Contents
1. 6 Optional TOOL a orth s IA 7 Operations Basic Control Setting ee 8 Keyboard sus 9 Tuning Li Ger Laden seu ERRORI EA 10 Mode s Asesor si 11 VEO Boe a5 cte 13 AA ME RC 15 KCA MERECE UNCERT dh 17 18 Programming 21 CON ER 22 Edit ca bici 23 Store a we 24 SCQUCNCGT o RR 25 DODHOHGUP NN 26 ue dedos Rd AE 29 LEO PLI x 30 After TOUCH Chorus 3755 eos RC 31 Sound Patch Chart 32 Summary of 33 Trouble Shooting cos v dua dE 35 Block Diagram o 37 Specifications 38 Introduction The Yamaha CS70M programmable dual channel polyphonic synthesizer offers full six voice polyphonic capability an internal memory system capable of storing up to 30 sounds a built in magnetic card reader writer that provides unlimited external sound storage capacity and a sophisti cated built in polyphonic sequencer In addition to these extraordinary features the CS70M has a full complement of sound parameter controls many of which are remarkably innovative and an extensive range of effects Just a few moments at the CS70M s keyboard will convince you of the enormous expressive potential it offers expressive potentia2. 5 range of keyboard output output Operations VEO PROGRAMMABLE PARAMETERS m Creating Original Sounds The various controls in this block are the most im portant to the synthesizer s creative flexibility They can be used to create a vast spectrum of sounds by control ling the basic blocks of the synthesizer the VCO FCR and VCA To get started on creating vour awn sounds depress the two MANUAL switches at the right hand end of the row of program selectors and enter parameters with their respective controls When the desired sound is completed store it in the memory These sound pro grams or voices can be called out for later use OPERATION OF PROGRAMMER The synthesizer is characterized by control of the ope ration of various blocks such as YOO and YCA by DC voltages Various controls of tha CS OM special elements to generate digital data codes corresponding to their displacements The computer can directly read this control data and use it for sound generation and storage in the 15 pairs of program memory locations When recalled of the program select switches the data in the memory 15 taken aut from corresponding place in the memory The data is converted into DC voltages to control the programmable sections such as the VCO and WEA The control values that can be stored in the memory then are referred to as nro gra
3. The VCF SUSTAIN Leve controls the cut off fre quency for the sustained portion of the sound This lever is moved from O to 10 the sustain level cut off frequency becomes higher giving the sustained sound more harmonics he cut off frequency will remain at this level until the note is released RELEASE TIME The RELEASE TIME ever adjusts the decay time the length of time from when the note is released for the cut off frequency to go from the sustain level to the level set by the cut off frequency lever Cut off frequency and envelope generator mo AC m 4 The cut off frequency set by the Cut off Freq lever is changed by Operations NEUEN EBENEN KERSE LLL Lg gl RESO EG ATTACK DECAY SUSTAIN RELEASE HOLD N ATTACK DECAY SUSTAIN RELEASE VOLUME NANCE DEPTH TIME TIME LEVEL TIME TIME TIME LEVEL TIME VCA Voltage Controlled Amplifier The VCA or Voltage Controlled Amplifier automatically varies the volume or loudness of the notes played and is controlled by the VCA envelope generator levers TIME X5 The times 5 switch extends the range of the ATTACK DECAY and RELEASE controls by a factor of 5 SUSTAIN LEVEL The SUSTAIN LEVEL control sets the steady state output volume of the VCA for the sustained b HOLD ihe HOLD switch automatically holds the sound of any notes up to 6 which are depressed prior to turning on the HOLD switch
4. HIGHPASS TIME lover BALANCE lever 2 4 SPLIT BALANCE lever SUSTAIN lever This control adjust the relative volume between the The SUSTAIN allows tha player to extend the time for the notes to decay after releasing the keys beyond that set by the RELEASE lever of the VCA block Because this is a realtime control release can be controlled quickly and easily to suit the musical situation As the lever is moved toward LU the sustain time becomes longer If a foot switch FC 4 is connected to the FOOT SW SUSTAIN jack on the rear panel the sustain affect can be turned on and off with the SUSTAIN note and the 4 note portions of the sound when in the SPLIT mode or between the sequencer playback and manual play when the sequencer is in PLAY Note also that this lever operates as indicated regard lass of the position of the 2 4 switch CHANNEL 1 11 BALANCE lever This control adjust the relative volume between the CHANNEL and CHANNEL signals and functions the same whether you use the MIXED or separate output jacks page Operations LFO LFO Waveform Selector This switch selects the type ot wavetorm differant LFO modulation effects sine sawtooth or square wave T acc iL SPEED Control Knob This controls the speed frequency of the LOW FREQUENCY OSCILLATOR s the knob is turned from S to F the speed increases with a range SESPHATION from 0 05 to SQ
5. MODULATOR effect The MODULATION DEPTH control aiso affects the sound when the RING MODULATOR is routed to the VCF s or the square wave PULSE WIDTH The ring modulator multiplies the output of YCA channel 1 and the LFO producing sum and difference frequencies Press any of the other switches to turn off 2 Set DEPTH to O or turn off DESTINATION Operations LFO Block Diagram of the PROGRAMMABLE LFO T me Y A M FINE EED ATTACK DEGAY TIME ME DESTINATION SWITCHES These switches are used for selecting the one or more sound parameters to be modulated by the LFO VCO s VCF s square wave PULSE WIDTH and the VCA s When any voice is recalled by depressing the voice select buttons the waveform and DESTINA TION switches which were part of the Channe program wil be illuminated VOLTAGE CONTROLLED OSCILLATOR When the LFO function is routed to the VCO the pitch of the note s played will vary according to the waveform selected and the LFO SPEED controls SINE wave modulation of the VCO s gives a vibrato effect PW PULSE WIDTH The PULSE WIDTH of the square wave as set by the PW lever is varied by the LFO waveform when the PW DESTINATION switch is selected There wil be no effect if the voice being programmed employs only the sawtooth or sine waveforms on the VCO s O VCF VOLTAGE CONTROLLED FILTER When the VCF DESTINATION switch is depressed the effec
6. TUNE Variable range 100 100 cents DETUNE Channel only same as TUNE CHORUS Block ENSEMBLE Ensemble ON OFF switch TREMOLO Tremolo ON OFF switch SPEED 4 254505524 Tremolo speed control ON 6 4 Hz OFF 0 64 Hz MODE Block NORMAL SPLIT Mode switch UNISON NORMAL 6 notes later priority basis SPLIT 2 4 or 442 notes split by later priority split position can be changed within all range of keyborad UNISON 6 multiple sound by single note play sone Split note assignation LFO Block Fu Atay LFO waveforms select SPEED ore aot Variable range 0 05 50 Hz DESTINATION Switching destination WHEEL FOOT CONT VCO VCA AFTER TOUCH VCO VCF and VCA SENSITIVITY Sensitivity control of touch effect POLY PHONIC SEQUENCER Block TEMPO Center playback as same speed as record Variable range 0 6 1 2 times Aa qois MN Twice in speed REPEAT Repeat play enable CV ONLY Record only notes playback tempo determined by the TEMPO and X2 A B CandD Memory bank seject 608 total notes capable in single play RECORD Record start stop switch PLAY wo Playback start switch PROGRAMMABLE PARAMETERS Block VCO FEET 1 2 2 2 2 3 4 5 1 3 8 and 16 PST T Ibn Iud Waveforms select PAN S is HOD S Pulse width control 50 9096 NOISE White noise VCF HP BP Filter sel
7. a programmed voice is selected the programmble parameters on the panel do not work Is it that WHEEL and DESTINATION are set and LFC is mistakenly applied Is the volume of VCA properly set Is the EG properly set Is the Balance lever properly set Volume changes depending on the shape of the VCA envelope If AT DT lever of VCF EG is set small and EG Depth is too deep a click sound may be heard It will also be changed greatly by the CUT OFF FREQ knob and BRIL LIANCE knob Especially with BP and HP volume will decrease when the cut off frequency is made high Read the instrunction manual carefully to understand the function of the knob and levers before operation case you still have trouble consult your dealer or the nearest service network Trouble Shooting Programmer is abnormal Does not Does not Cannot be set Cannot be STORE LOAD to MANUAL edited ls the card corner cut Cannot be programmed While pressing write button press the desired program select button Program disappears is the PGM switch of the rear panel set to LOCK Other channel is set to MANUAL Other channel is set to EDIT Back up battery installed Battery is dead Is the card pieds Release 2 insert proper RE Edit asi properly properly basic MANUAL Is PGM switch on rear pann
8. is non programma ble it can be used to fine tune the snead of programmed LFO affects on any voice selected by the program memory buttons KB SPEED LFO Speed This lever i programmable control used for adjust ing the speed of the LOW FREQUENCY OSCIL LATOR over a range of 0 1 to 100 Hz Sliding the layer from S to F increases the speeed When the RMO RING MODULATOR is being used the LFO SPEED control adjusts the rata of the modulator signal over a range from 0 5 to 500 Hz The LFO Speed itself can be modulated over time by utilizing the two stage envelope generator controlled by the ATTACK TIME lever the DECAY TIME lever 6 and the EG DEPTH lever a EG DEPTH The LFO EG DEPTH lever adjusts the amount of modulation ta the LFO speed as set by the LFO envelope generator controls As this cantral is moved towards 107 the depth of the change of the LFO speed will increase and will vary in response to the envelope determined by the LFO ATTACK and DECAY TIME controls When the GLIDE functions are being used ta modu late the WCO s tha MODULATION DEPTH lever rather than the EG DEPTH control governs the depth of the GLIDE effect TWO STAGE LFO ENVELOPE GENERATOR These controls generate two stage control voltage envelope with variable ATTACK and DECAY amp ATTACK TIME This lever controls the tima from the initial depres sion of the key s until tha maximum LFO speed reached Sliding the l
9. note presently being played and a trigger voltage Trigger which indicates keyboard on off These allow the CS70M ta be connected to any YAMAHA sola synthasizer which will then automatically follow the highest notes played on the CS 0M 4 CONTROL VOLT This Jack provides 1 Hz V voltage signal and should be connected to the CONTROL VOLT AGE IN jack of the solo synthesizer TRIGGER 7 This jack carries a negative gqoing trigger voltage and should be connected to the TRIGGER IN terminal of the solo synthesizer KEY CODE INPUT This connector inputs keycode data from the key boards o YAMAHA SK30 and SK50D SYMPHONIC ENSEMBLEs and CP35 PIANO which have KEY CODE OUTPUT connectors When the keycode switch is turned on the C570M be played via the keyboards of any of these instruments At this time the keyboard and the aftertouch feature of the CS 0M are inactive 17 PGM Program Lock Switch This switch protects the memory of tha CS7OM When the switch is sat to the LOCK position writing the memory from the front panel of trom the magnetic cards is disabled In this mode programmed data in the memory cannot be erased by error Normally set it ta the UNLOCK position to allow programming Marmally set to the UNLOCK position Nermally set ta OFF fier such FOOT Controller FC 3A Optional Equipment FOOT Switch FC 4
10. switches 1 for the 2 channals are initially sat with tha made switch set in NORMAL or UNISON and 1 and 9 are set with the mode switch set at SPLIT NORMAL Mode The unit functions as a 6 note Z channal polyphonic synthesizer When more than six keys are pressed the note of the key first pressed disappears and changes to the note of the key last pressed last note played priority Also up to six notes at once be played back by the sequancar a SPLIT mode This mode divides the six pairs of vCO s between tha high and low range of the keyboard or between tha whole range of the keyboard and sequencer The number af notes assigned to each determined by the SPLIT switch A split point between low and high portions of the keyboard Js cancelled at the moment when the PLAY switch of the sequencer is pressed A split between the sequencer and the whole range of the keyboard then activated The PLAY mode of the sequencer is switched off upon completion of sequencer playback Then the split goes back ta being between the low and high ranges of the keyboard NORMAL MODE siseq Aroud PALUE 3 12 uo spunos q NORMAL SPLIT UNISON PROGRAMMING THE SPLIT POINT To program the split point on the keyboard depress and hold the key of the position where the split is desired while changing the MODE switch from NORMAL to SPLIT or from UNISON to SPLIT Unless otherwise specified after turnin
11. tumeg on by pressing the ENSEMBLE switch causing the indicator to light IT the switch pressed again or if tha TREMOLO is turned on 11 will be turned off Summary of Operations D ne Q Page Power switch No sound Do keys play Basic control settings DO rs D re AUTO TUNE Program Produce sound Programmable o gt manual mode parameters age 4 programmer operation E gt a Page No Tone quality OK EDIT Yes Handling of magnetic HOAD card E gt 23 Page STORE Yes Recording cards No ee Le e Playing Playing mode Keyboard Sequencer playing Playing Sequencer Summary of Operations Sequencer CV ONLY Pae evum Select banks A B C D 649 playing CV ONLY ON RECORD ON Check final rest when repeat playing Finished Press RECORD d Input completed or PLAY Playing Sequencer playback gt Page No Keyboard only CV ONLY Finished Select banks A B C D Yes SPLIT Tempo OK Adjust TEMPO x2 NORMAL REPEAT ON Select split position of keyboard NORMAL UNISON Yes gt page MODE SPLIT While depressing selec
12. voice cards Protect the magnetic surface from scratches Do not place the voice cards in any strong magnetic field Keep the cards holder when not in use in YAMAHA VOICE LIBRARY 2 While holding down the STORE button depress the program memory button of the program which you want to write on the card This will start the card reader s drive motor 4 5 6 TH FO TIT 3 Insert the card slightly further into the card reader 4 The card will go in and out twice once to write the data a second time to read the card to insure that the data was written correctly If any bit errors occur incorrect data transfer the program memory LED will flash quickly Remove the cara and repeat the STORE procedure If the STORE function cannot be accomplished a second time there may be a defect on the magnetic surface of the card in this case use a different magnetic voice 5 When the STORE process is succesfully completed the LED indicator on the program memory location which was written to the card will again be lit Re move the loaded card You can make a note of the voice which was loaded on the white surface of the card with a hard lead pencil or a non water soluble felt tipped pen _ Protect A side data Protect B side data _ Operations Load Sequencer LOAD Reloading the magnetic voice cards 1 Check that the PGM LOCK switch is set to UNLOCK 2 Insert the
13. 5 and The two channel six note function of the CS70M is shared by the keyboard and the SEQUENCER and this allocation is determined by the MODE switch Although the sequencer pattern data loaded into the SEQUENCER can be played repeatedly while the CS70M 5 power is on this data will be lost when the power is switched off unlike the program memory data which is volatile C AND D BANK SELECTION SWITCHES These switches select the memory bank into which you want to load a sequence pattern Each bank has a capacity of 128 steps one step being the amount of memory used when a single note is played into the sequencer see page 26 Number of Steps In ad dition to the ability to utilize each sequencer bank independently two or more banks can be connected for recording even longer sequences RECORD SWITCH After pressing one or more of the BANK SELEC TION switches and then the RECORD switch ail notes played on the keyboard will be recorded into the SEQUENCER memory Recording will start when the first key is pressed after the RECORD switch is turned on LED illuminated and will stop when the RECORD switch is pressed again Note that when stopping the record mode if you press the RECORD switch in rhythm with the sequence you are playing on the next beat after the last note entered the resultant starting and stop ping points of the sequence will be in time when playin
14. AND HOLD generator sam ples tha output of the white NOISE generator to create random control voltages When these are applied to the VCO s notes play at random pitches When modulating the VCF s random varying cutaH frequencies are heard as notes are played The speed at which these samples ara taken is controlled by tha LFO SPEED control GLIDE GLIDE When the GLIDE function is assigned to the VCO s the pitch of the sound heard will start above that of the note played then slide down to the notels which is are depressed The GLIDE button does the same but the sound starts balow the pitch of the note s played The EG DEPTH ATTACK TIME and DECAY TIME controls can also be used to control speed of the initial movement up lor down af the pitch as well as tha rate at which the pitch returns to i WHEEL DEST WAT COM that of the note played Finally the MODULATION DEPTH control determines the overall amount of pitch change when using either GLIDE function amp RING MODULATOR When the RING MODULATOR switch the sum and differenca between the frequencies of the notels played and that of the LFO sine wave with a 0 5 to 500 Hz range is produced This causes a metallic ringing type sound useful for creating the sound of bells gongs etc Since the tone of the ring modulated sound is determined by tha LFO SPEED the EG DEPTH ATTACK TIME and DECAY TIME controls will alter the RING
15. By depressing the HOLD switch while playing the notes to be held the VCA s for those notes will continue at their SUSTAIN level even after the keys are released until the HOLD button is pressed a second time If less than 6 notes are held the re maining notes may be played manually n the split mode notes the low range and notes from the sequencer may not be held As indicated by its white color the on off condi tion of the HOLD switch is not programmable Input Level This lever adjusts the level of the sine wave to be fed to the VCA Since a sine wave consists of only the fundamental with no harmonics direct input of this signal may be made from the VCOs without passing through the VCF block ATTACK TIME The ATTACK TIME lever controls the length of time from the initial depression of a key until the mum volume output of the VCA is reached Sliding the lever from S to L will cause a gradual length ening of this time DECAY TIME The DECAY lever adjusts the length of time it takes for the output of the VCA to go from the maximum it reached at the end of the ATTACK time to the level determined by the SUSTAIN LEVEL control Moving this lever towards L increases this time portion of the sound of the note s played This volume is maintained until the key is released RELEASE TIME This lever adjusts the time from when the note is released for
16. EDIT mode will be affected all other parameters will remain as they were orginally programmed into the program memory location It is recommended that vou set the BALANCE lever so that only the voice which you are modifying is heard c B When in tha EDIT mode the CS 0M s microproces sor checks the amount of movement of each contral and adds the change to the stored data some instances it may occur that moving any one cantral to one end of its range may not give you the full amount of change you desire Lever position when editing Memorized lever position big When the lever a 4 4 positioned as shawn there 15 range of corrected values which cannot be reached Correction possible In this case slide that control back to the other extreme of its movement and the control will revert to normal operation as in ihe MANUAL moda The FEET switch 15 an exception in that it will operate as if in the MANUAL mode as soon as 11 8 moved Memorized lever position Carrection possible Slide down and back Sat ofr cur pre xd nrbis rar FREG The memorized position now corresponds exactly to the panel setting making correction possible all moditications of the contro settings in the EDIT mode have been carried out there are three options avallabile a If you want to play the voice which has been moditied only temporarily you can leave t
17. Hz WHEEL FDOT CONT DESTINATION Wheel Foot Control The DESTINATION switches determine tha routing of the LFO sional If the VCO VCF or switch pressed the LED will light indicating that the LFO is now modulating that block Multiple desti nations can be selected by pressing two or more of SENSITIVITY these switchas Tha modulation depth is controlled by means of the MODULATION WHEEL If foot controller is connected to the MODULATION jack on the rear panel the wheel is disabled and the depth of the LFO effect is determined the faot controller AFTER TOUCH PITCH MODLILATION AFTERTOUCH The CS70M s AFTER TOUCH allows the performer control of LFO modulatian effects while playing the The real time LFO and PITCH MODULATION AFTER TOUCH wheel blocks offer even further control of pitch and LFO modulation beyond that of the programmable controls and allow modulation depth control in three different wavs MODULATION wheel FOOT CON TROLLER or AFTER TOUCH LFO This block is full function nan programrnable LOW FREQUENCY OSCILLATOR This LFO affects the sound of both channels and can be used in conjunction with LFO modulation effects which have been pro grammed by the controls in the PROGRAMMABLE LFO black Operations keyboard with both hands After note is struck fur ther pressure on the key will control the modulation depth with the same effect as advancing the MODULA IO
18. ISON mode six COs each channel are heard at all times mode Split mode and Program Select switch Low range of keyboard SEQUENCER Block SAquencer ubise Japun MER u SPLIT switch The SPLIT switch determines the maximum number of nates assignable to each half of the keyboard in the split moda D 2 4 in the 2 4 mode two notes in each channel ara assignable to the low range of the keyboard or ta the sequencer O 4 2 In this mode Tour notes ir each channel are assigned to the low range of the keyboard or to the sequencer NOTE When the sequencer is programmed to trigger more notes simultaneously than are assigned to the sequencer by the SPLIT switch only the 2 or 4 notes triggered last by the sequencer are output Likewise when playing manually if more notes are played at once than 2 4 depending on the status of the SPLIT switch last note s played priority still prevails This operation is identical to the case where more than 6 notes are depressed simultaneously when in the NORMAL mode The output volume balance of the 4 note side or 2 note side can be controlled with the BALANCE 2 4 lever This lever controls the relative volume of the 2 nate and the 4 note sections on the keyboard regardless of the position of the SPLITswitch High range of keyboard F UR 1 13 a Vid uiia i
19. LKALINES Battery holder with cover removed Remove 2 screws Bottom of headphone jack Load 3 alkali 1 5V batteries 1 VOLTAGE SELECTOR Before applying power check that the voltage selec tor is set for the line voltage in your area If It Is incorrect remove the two switchguard screws set ON VOLTAGE SELECTOR the switch to the correct voitage setting and replace li the switchguard Operating the CS 0M at the wrong voltage setting will result in impaired performance or even severe damage to the unit After the voltage selector has been verified plug line cord into an AC outlet 120V area 220V area 240V area 2 POWER SWITCH 3 POWER CORD CONNECTOR Plug in the line cord here Ia 2524 I IOV CAUTION THIS EQUIPMENT BE DAMAGED IF OPERATED WITH THE LINE VOLTAGE SELEC TOR SET TO AN NCORRECT POSITION Connections Amplifier Speaker The does not incorporate a power amplifier Therefore it is necessary to connect t to an amplifier speaker system except when headphones are being used OUTPUT BLOCK e The output level is compatible with conventional line level inputs including keyboard amplifiers or mixers e Be sure to observe the maximum input ratings of amplifiers speakers used signal exceeding the rated capacity may burn aut the voice coil of the speaker Nominal output level Mixed Balanced Mixed 2 4 MIXED BALANCED This ls a balanced XLR c
20. LUME Adjusts the volume level at all outputs including the PHONES jack Operations KEYBOARD The CS70M has 61 keys covering 5 octaves The range varies with the setting of the FEET switch B see page 14 When the switch is set to 8 feet the key board covers C1 through Ce Up to six keys can be Range of 8 feet v Split mark Keyboard depressed at once producing six tones When still more keys are pressed the note of the key first depressed ends Priority to the last key played For further details refer to page 11 MODE LAST NOTE PLAYED PRIORITY 1 When keys are pressed in order E comes first INITIAL MEMORY CLEAR Initially select the grey MANUAL switches to begin programming No programs are in upper and lower memories 1 through 15 However if any unpro grammed memory buttons are selected random data may be present This will cause extraneous signals at the outputs when any keys are depressed Therefore to initialize the programming process perform the following memory clear operation 1 Push down the VOLUME lever in the right hand end of the programmable parameters this condition no sound is produced even if a key is pressed 3 When A is pressed next E is not heard While holding down the WRITE switch on the lower right side of the panel press the program select switches 1 through 15 in se
21. LY alternately 1 Select one or more memory bank switches 2 Press and hold the CV ONLY switch then depress the RECORD switch Be sure to press the CV ONLY switch before the RECORD switch if the RECORD switch is pressed first the normal note rhythm mode will be selected 3 While playing and holding down the note or chord to be recorded press and release the CV ONLY switch 4 While holding the next note or chord in your se quence press and release the CV ONLY switch 5 When a rest which upon playback will have equal time value with any notes in the sequence press only the CV ONLY switch 6 Repeat this operation for every step in the sequence you wish to program 7 Hit the RECORD again to end the recording mode The following diagram shows an example of the loading of a CV ONLY sequence M 1 OO RECORD Cy ate OnLy ONLY goa RECORD ON bn ONLY 7 and 11 represent the input of a rest Operations Sequencer SEQUENCE PLAYBACK 2 Check the mode switch 5 3 1 4 RECORD PLAY oy AE x2 REPEAT Ev A D E ONLY TEMP _ Even if a bank D is turned off during play the bank will play to the end 1 Select one or more memory banks to be played If more than one bank is selected playback will be in turn alphabetically from left to right If multiple banks were used to record a long sequence you wil
22. N WHEEL This pressure can be applied to a varying degree allowing very fine fingertip control of the modulation depth DESTINATION AFTERTOUCH These switches determine the routing of the LFO signal as applied by the AFTERTOUCH and operate exactly like the WHEEL FOOT CONT DESTINA TION switches Note that more than one destination may selected for the AFTERTOUCH modulation effects B SENSITIVITY The SENSITIVITY control detarmines the range af modulation depth of the AFTERTOUCH If this knob is turned clockwise deeper LFO modulation will occur when aftertouch pressura applied to the keys Nate the setting of the MODULATION WHEEL does nat affect the AFTERTOUCH modulation MODULATION SWITCH This switch selects the channels to which the programmable LFO is routed CHANNEL CHAN NEL or both Il Intersting effects can be created using different kinds of modulation on separate channels by using this routing switch in conjunetion with the programmable MODULATION wheel The MODULATION wheel controls the depth LFO modulation to tha blocks selected the DESTINATION switches and the MODULA TION switch Note that if the WHEEL switch is on the wheel will also control the depth of madulatian of the programmable PITCH wheel range switch This switch determines the range of the PITCH whee OCTAVE this position allows the pitch to be raised or lowered a full octave
23. Operations Basic Control Setting The operation of the synthesizer will be explained a section at a time on the following pages Return the synthesizer controls to their nominal settings with the BASIC CONTROL SETTINGS in the examples listed below With the BASIC CONTROL SETTINGS the various sound producing waveforms and control functions of the synthesizer can be checked e Before using the synthesizer for the first time e For generating sounds to check the synthesizer amplifier and other equipment e When the synthesizer status is unknown 1 Turn on the POWER switch 3 Turn off any indicators that are on except the 2 Turn on both of the grey MANUAL program select PROGRAMMABLE PARAMETERS block This switches The VCO square wave and the LFU happens automatically when power Is Tirst turned on sine wave should light up in the PROGRAMMABLE Sat all other switches levers and knobs as shown PARAMETERS block below Basic Control Settings NORMAL Tm 2 Ep ase ATC d 11108 8 V iu gt AL ggg Canter ON ON OUTPUT BLOCK After performing the BASIC CONTROL SETTINGS the OUTPUT block can be used to control audio output O Line This switch turns all outputs from the OUTPUT block on the rear panel on and off Audio output 15 present at the PHONES jack regardless of the setting of the switch Turn this switch off for h adphones only operation WOW URE VO
24. YAMAHA DUAL CHANNEL POLYPHONIC SYNTHESIZER y OWNER S MANUAL RRA PT STRESS SA A TI MS CS ARA E V FF ANA S 08 A VIE A UR A NESEY SAY MARE RC SINT RES A A ES OS PAPAR AP AD UN AT RR IY WE Sc PRA UR BRA IC OS 2 CASAS AS DIO RE NA ER QNI 5 DE ERU C UP ALORS OD DEE T SR 8 ERO A ADR OE AE ERA AA AMS EN ERI Mc IRSA L3 3 44 eS WARNING REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE THERE ARE NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO A QUALIFIED SERVICE PERSONNEL SERVICE The CS70M is supported by Yamaha s worldwide network of qualified dealer service personnel In the event of a problem contact your nearest Yamaha dealer or authorized service center Thank you for buying the Yamaha CS70M programmable dual channel polyphonic synthesizer To ensure that you get maximum performance from this sophisticated instrument be sure to read this operating manual before use and keep it in a safe place for later reference Table of Contents introduction last ip ee BAS AROS 3 A ER E Ete he EN 2 Connections Amplifier Speaker
25. an be digitally stored on external magnetic memory cards via the built in card reader writer located below the upper end of the keyboard Since one card provides space for the programmable parameter data for two sounds the entire internal memory can be retained on just 15 cards Another advantage of the voice card system is the ability to load back into the program memory locations just one voice whereas in other external memory systems all the memories have to be reloaded to change just one or a few of the sounds Also the voice cards make it possible to read the pro gram data for a sound which was created CHANNEL into CHANNEL and vice versa STORE Recording voice data on magnetic cards The programmable parameter data for one voice may be recorded on each side of the magnetic voice cards marked A and B Storing program data on a card on which some other sound has already been written erases the previous data If the corners of the magnetic card are cut off however the data is tected and no further voices can be written on the card This is quite similar to the plastic non record tabs on a standard audio cassette tape TO STORE A PROGRAM ON THE MAGNETIC CARDS 1 Insert the card into the reader writer below the upper end of the keyboard Any lit LED indicators on the program memory buttons will now turn off NOTE Care of the magnetic voice cards Do not bend or fold the
26. atic tuning system is provided CARD Interface STORE xw Write program data onto magnetic card from CS70M LOAD Read program data into CS70M from magnetic card PITCH BEND WHEEL OCT FIFTH THIRD Switching variable range WHEEL Pitch modulation control wheel REAR PANEL OUTPUT MIXED 1 2 BALANCED Mixed FOOT CONT Foot controller terminal VOLUME 40dB or more BRILLIANCE MODULATION FOOTSW Foot switch terminal SUSTAIN ON OFF PORTAMENT ON OFF SEQUENCER PLAY Start Stop SOLO OUTPUT Output solo synthesizer equivalent signal CONTROL VOLT V Hz TRIGGER Negative trigger Off bV On 5V KEY CODE INPUT External keyboard SK30 or SK50D performance input PGM un EX bin Memory protection switch LOCK Disable to write UNLOCK Enable to write POWER CONSUMPTION 110 wattes DIMENSION 1 120 x 180 x 500 mm 44 7 19 3 in Wx Hx D WEIGHT 28 8 kg 63 4 Ibs FINISH Rose wood grained Recommended amplifier Keyboard amplifier or equivalent Optional equipment Magnetic card set with holder BLC 40 Foot switch FC 4 Foot controiler FC 3A Specifications subject to change without notice due to improvement YAMAHA NIPPON GAKKI CO LTD HAMAMATSU JAPAN 35 81101 3 Printed in Japan A e O M A A
27. avar towards 71 increase the time period Setting this control to S causes the LFO speed to reach maximum instantaneously DECAY TIME The DECAY TIME control adjust the time over which the LFO speed will decrease gradually until the original speed as set by the LFO SPEED controls ls reached 2 mode EG and Glide LFO speed modulation EN MEDI LEN HG 4 Modulation degrees of the glides con rolled by the MOD LATION DEPTH dependent fram the EG DEPTH EET DN 48 Operations LFO MD LL AT oy DEPTH MODULATION DEPTH This lever adjust the amount of effect of tha LFO waveforms on those parameters selected by tha DESTINATION switches The modulation depth of the RING MODULATOR however may not be adjusted with this contral but is determined by the LFO ENVELOPE GENERATOR control S H GLIDE GLIDE LFO WAVEFORM SELEC TION SWITCHES These six switches are used to select the type of LFO modulation you wish to use Only one of the wave forms may be selected SINE wave LFO modulation with a SINE Wave causes a vibrato efect when assigned to the VCO s a wow wow sound when assigned the VCF s and a tremolo affect when modulating tha VEA S SAWTOOTH wave The SAWTOOTH wave is particularly effective when assigned to the VCO s giving a repeated falling pitch sound when the notels are played S H SAMPLE AND HOLD The CS70M s SAMPLE
28. ave and the TL FEET switch square wave are turned off na sound is output TTT With the NOISE lever B set at zero Spectrum of square wave PW Pulse Width This lever changes the pulse width of the square wave As shown below the pulsa width can be varied from 50 symmetrical square wave to 90 As the pulse width is increased the wave becomes richer in ar monics through which various effects can be ob Operations RESO ATTACK DECAY SUSTAIN HELEASE HANGE DEFTH LEWEL TIME VCF Voltage Controlled Filters The voltage controlled filters modify tonal quality by removing part of the harmonics from the waveforms generated by the VCOs The boundary between the part of the signal passing the filter and the part that is cut is called the cut off frequency The timbre or brightness of the sound is controlled by varying the FCF cut off frequency Filter select switches These switches select the type of filters used in the When both are turned off the low pass Tilters are selected D BP HP High Pass Filters When the HP switch Is on the VCF functions as high pass filter passing those components of the signal above the cut off frequency and blocking those balow It BP Band Pass Filters When the BP switch is on the functions as a band pass filter allowing only those components af the sound immediately above and below the cut
29. by moving the PITCH wheel ta the top and bottom extremes of its ranae FIFTH allows the PITCH wheel to vary the pitch of the oscillators a parfact fifth THIRD narrows the range of the PITCH down to third After Touch Chorus PITCH wheel Allows real time control over the pitch af tha VCQ s Advancing this wheel towards the will raises the bitch towards the will lower it with the maxi mum range of this change determined by the PITCH bend switch q CHORUS Block The CS70M features a built in analog chorus device allowing beth chorus or ensemble as well as Leslie speaker type effects These effects applied auto matically ta both channels and TREMOLO The TREMOLO gives the sound of variable speed Leslie type speaker the TREMOLO js turned on pressing the switch second time or turning on the ENSEMBLE switch will turn off the TREMOLO effect TREMOLO SPEED This switch controls thea apparent speed of the TREMOLO effect just as the speed of Leslie speak ers rotation can be controlled When this switch is pressed the LED indicator will light and the speed of the TREMOLO effect will increase from slow to fast gradually If the switch is pressed again turning the indicator off the speed will gradually decrease back to tha slow rate ENSEMBLE switch This switch gives a analog chorus type effect and is especially useful for string voicings This effect is
30. cator lights up for a few seconds and auta tuning is performed Na sound is praduced during auto tuning even if keys are pressed AUTO TUNE is performed independently channels and Detune status is maintained even if AUTO is performed About 15 minutes is until the operation is stabilized after the power switch is turned on Perform AUTO TUNE about 15 minutes after the power is switched on AUTO TUNE The AUTO TUNE feature solves the problem of pitch differance between WCOs and improves tuning curacy The computer sends a standard voltage in sequence to the six VCOs in each channel and mea sures their oscillation frequencies Center frequency is determined for each channel and supplemental volt age is applied so that the six VCOs all oscillate at that center frequency o AUTO TUNE m PITCH block The pitch block is used to tune the overall pitch of the CS7OM TUNE The absolute pitch of channels and be ad justed over a range of 100 cents DETUNE The pitch of CHANNEL can be offset from that of CHANNEL This is used for detune type affects I MICRO COMPUTER Operations Mode MODE block The MODE block determines how the key data of the keyboard and the saquencer ara assigned to the 12 VCO s 6 nates 2 channels MODE SWITCH Program select
31. e independent LFO can be used to modulate the VCOs VCFs and VCAs independently or in com bination via the modulation wheel an optional foot pedal or the exclusive built in keyboard after touch sensitivity With the CS70M s infinite possibilities for sound creation plus extensive expression control it s sure fo open up a whole new world of creative freedom E NES I Li NS 02 3 5 6 7 lA PROGRAMMABLE PARAMETERES BSR RRS Swan VOICE MEMORY BANK RAM DIGITAL INPUT FANALS OUTPUT READER Y BALANCE r2 37W d Setup Loading the Back up Batteries The CS70M employs batteries to preserve the contents of the RAM memory so that programmed voices can be retained even when power is switched off Load the batteries prior to connection and opera tion 1 Disconnect the power cofd to prevent possible short 3 The life of the batteries is about 2 years Use alkali circuits when loading the batteries batteries for replacement Replace all batteries at 2 As shown in the illustration load the 3 alkali 1 5 volt the same time batteries supplied with the unit 4 Timely repiacement of batteries will prevent trouble with leakage of old batteries gt DINNVAWVE Ff FA
32. ecorded by selecting all four memory banks when recording Capacity of the Sequencer Memory Operations Recording Procedure Note Rhythm Mode Recording rhythm and melody STOP 1 2 24 1 PLA Tt MPO 3 Recorded as played 1 Select one or more memory bank switches You cannot select additional memories once the RECORD button is depressed therefore be sure to choose sufficient memory for the sequence you wish to load before initiating the RECORD mode 2 Press the RECORD switch 3 Start playing the keyboard the time from turning on the RECORD button until the first key is de pressed is not recorded 4 When recording is completed press the RECORD switch again to end the RECORD mode If playback in the REPEAT mode is anticipated be sure to hit the RECORD button in time with the passage you are playing RECORD PLAY LE After the G note number 4 above is played hit the RECORD button on the first beat of the next measure or on the C if you were to continue to play the pattern The longest note or rest which can be recorded with the polyphonic sequencer is about 10 seconds If a key is pressed for a longer time than that or if no key is de pressed for this period of time the record mode is automatically cancelled Sequencer CV ONLY RECORDING i dd CORO PLAY TE tr TIT ens i 4 Repeat keyboard and CV ON
33. ect switch LP is selected if both swith are off LP and HP 12dB oct BP 6dB oct TIMEx5 Time extension switch PUER NP Envelope polarity switch CUT OFF FREQ Cutoff frequency 10 oct RESONANCE Resonance 0 5 10 EG DEPTH 0 10 10 oct max ATTACK TIME 1 msec 1 sec DECAY TIME 10 msec 10 sec SUSTAIN LEVEL 0 10 RELEASE TIME 10 msec 10 sec VCA TIMEx5 Envelope time extension HOLD 4 ences Any up to 6 notes can be hold ATTACK TIME 1 msec 1 sec DECAY TIME 10 msec 10 sec SUSTAIN LEVEL 0 10 RELEASE TIME 10 msec 10 sec VOLUME 0 10 LFO SPEED es 0 1 100 Hz FINE Speed fine adjustment EG DEPTH LFO speed modulation control ATTACK TIME 5msec 5 sec DECAY TIME 50 msec 50 sec MODULATION DEPTH 0 10 N S H GLIDE GLIDE RMO LFO waveforms and RMO select DESTINATION VCO VCF PW VCA I Il WHEEL Wheel control enable switch EFFECTS Block PORTAMENT GLISSANDO Portamento Glissando select switch TIME 246 Speed control SUSTAIN 10 msec 10 sec BRILLIANCE 30ct 3oct BALANCE VE Oe Split mode volume balance aa doe Channel volume balance 1 15 Program select switch MANUAL Manuai control Edit able to edit by pressing program select switch twice indicator flushing status Write write program data into RAM AUTO TUNE Autom
34. el set to Lock Use a new battery Was the While pressing card pushed de the STORE in to start button press desired program select button the reader Unlock the PGM switch Was the card pushed in to start the reader LED flashes LED flashes LOAD again STORE again Was the card bent or brought near a magnetic object you still have trouble consult your dealer or the nearest service network Block Diagram LINN J3Qv3s gt 22 JE 508 5534007 sna viva 53139 STOBLNO9 SLNIOd ONIXIW 13NVd O yaLaWvyvd VO lt SHO LV2IONI 318VWAV3M90Hd H3183ANO2 033 39VLI0A 9OT1VNV 01 Y11910 IVA S3NOHd U NOISS3udx 3 INV wat lt 1 q3ao02A34 7 LFO CONT TOY LNOD iNd LNO 0105 927 192 QHVOBA3M LAANI KEY CODE INPUT CONTROL KBD TOXLNOD HOLIMS 1104 LNO9 TOYLNOD 34399191 T1081NO9 330 NO LNdino 3WfYIOA ENSEMBLE TOREMOLO OLNY 8315 1 3 10M1NOO OWY 3oNV 1V8 m 32NV1111498 NIVLSNS IIHO THO EE SS SOLO OUTPUT Specifications Keyboard 61 keys 5 octaves C1 C6 OUTPUT Block OUTPUT switch ON OFF affect to MIXED 1 2 and BALANCED output VOULUME Master volume control PITCH Block
35. en you are in the EDIT moda Note that there are two MANUAL buttons one for each channel but only one set of controls Thus when both MANUAL buttons on the front panel controls will determina the sound of both Channels and identically except for the programmable LFO when it is not assigned to l WRITE switch The WRITE switch is used for 1 transferring the information on the programmable contro settinos to any one of the program memory locatians and 2 for transferring voice data from any one program memory to another B STORE switch The STORE switch 15 used to record data the program memories onta the magnetic voice cards 17 PROGRAM LOCK switch rear panel When this switch is on the program memories are sat up for read only operation this moda no naw programs can be written into any of the program select locations from the MANUAL ar from tha voice cards UNLOCK T Operations PROGRAMMING PROCEDURE WRITE Creating a voice and writing into memory 1 Check that the PGM LOCK switch on the rear panel is set to Unlock _ Check that switch is set to UNLOCK 2 Turn on the grey MANUAL switch corresponding to the channel being programmed 10 11 12 13 14 15 MANUAL MANUAL 14 12 13 14 15 MANUAL 3 Adjust the front panel programmable controls to create your sound 4 Once yo
36. g power on the split is at the position marked Y which divides the keyboard into a low sound range of 2 octaves and a high sound range af octaves High ranae JE The split position optionally set by switching trom NORMAL to SPLIT from UNISON ta SPLIT while the key at the desired position is daprassed SPLIT MODE RJ 5 m Ld output siseq Aloud peral 218 341 uo CH Il output TUCF VCA Operations Mode When changing the MODE switch to SPLIT careful not to accidentally press any keys as the split position will change SPLIT OF VOICES the SPLIT program select switches 1 through 8 are assigned to the low range of the key board or the sequencer if it is in the play mode and switches 9 through 15 to tha high range of tha Keyboard or to the whole range of the keyboard when the sequencer play is used HJ UNISON mode When the MODE switch is set ta UNISON all six vCOs n each of the two channels are triggered irrespective of the number of keys depressed When only a sinple note is pressed tha same key played data is input to all 6 pairs of oscillators so they all have the same pitch When two keys are depressed the key data of the key depressed first is assigned to one each channel The key data of any key pressed later is assigned to all of the remaining VCOs Similarly VCOs are assigned in order of the last note played Thus in the UN
37. g the sequence back with REPEAT r Operations PLAY SWITCH Pressing the PLAY switch starts the playback of the SEQUENCER data in the one more memory banks which are on Playback will stop when all recorded material has been played or b when the PLAY switch is pressed a second time The LED on the PLAY switch will go out when the PLAY mode is over If the optional FC 4 foot switch is connected to the FOOT SWITCH connector on the rear panel sequencer playback can be turned on off with the foot switch The PLAY button must be turned on initially in order to utilize the foot switch however To repeat playback of a sequence use the REPEAT switch cv ONLY The CV ONLY switch allows note without rhythm patterns to be recorded by the SEQUENCER and played back at a constant rate determined by the TEMPO lever and the x2 switch This function is particularly useful when the sequence to be loaded is more complex and difficult than the player can accomplish In addition when playing back single note lines recorded in the CV ONLY mode the distinctive analog sequencer type sound results To record in the CV ONLY mode first select one or more memory banks press the CV ONLY button and then the RECORD switch To record the note entries press the CV ONLY switch while holding down each key s in the sequence See page 27 for complete instructions on recording with CV ONLY REPEAT SWITCH The REPEAT switch all
38. hat voice the EDIT mode the indicator will still be flashing Returning the BALANCE 1 11 control to tha middle area of its range will of course combine your newly editted voice with the sound selected by the program memory button in the other channel If you again depress the Button which is flashing OR if you select any other program memory in that channel the EDIT mode will be cancelled and the modifications you made t the sound will be erased you wish ta replace the original sound with tha new voice created by modifications made in tha EDIT mode simply depress the flashing program memory button while holding down the WRITE button The original control settings will be lost and the new sound will be stored this memory location PYou may of course save all voice data for later use on the magnetic voice cards see the follawing section 6 f you wish to retain both the original sound and the moditiad version depress one of the other program memory buttons while holding the WRITE button Although this will erase any set tings previously stored in that location it will allow you to retain memory both the original sound and the new sound which you programmed while in the EDIT moda Operations Store VOICE LIBRARY SYSTEM Although the CS70M s internal memory offers storage of 30 different voices the magnetic voice card system gives you unlimited storage of your programs Any sound c
39. is mode is identica to the situation in which a chord of more than two notes in olayed on the left side of the keyboard when in the 2 4 mode Remember that when playing back a se quence in the SPLIT mode the program memory switches selected for the left side of the keyboard are assigned to the sequencer regardless of the location of the split point and the 2 4 BALANCE lever will now control the relative volume of the sequence and your manual play See page 12 Also note that when playing a sequence in any mode the Programs selected may be changed during the playback as well as the settings of any real time controls See page 28 SEQUENCER MEMORY CAPACITY When recording a sequence the number of steps in the memory consumed is roughly equal to the number of notes depressed Unless you are recording in the CV ONLY mode the timing as well as the note entries use up the sequencer s memory During the record mode the LED on the memory bank button which 15 selected will flash on off when the number of steps remaining in that bank is 12 or less Thereafter when there are no steps of memory left the indicator will go out and the sequencer will automatically go out of the RECORD mode If you already selected more than one Memory Bank before initiating the RECORD process you entries will be recorded in the next bank upon depleting the memory capacity of the first bank Thus very long polyphonic note rhythm patterns may be r
40. l and creative freedom so vast that your musical scope will never be limited Conventional non programmable synthesi zers are fine for studio work but they tend to limit your flexibility on stage due to the time required for repatching whenever a new sound is needed The CS70M lets you pre program up to 30 separate voices each comprising 39 voice parameters for instant recall during per formance at the touch of a button It also incorporates a magnetic data card system that provides literally unlimited storage capacity Sounds you create with the voice parameter controls can be digitally stored on external memory cards and then later reloaded into the internal memory The built in 4 bank polyphonic sequencer can be valuable as an extra pair of hands in live performance situations It can record up to 4 independent note sequences exactly as played with six note polyphonic capability The CS70M has an extremely sophisticated split keyboard system It features program mable split point the capability of playing different pairs of voices on the two sides of the split and a split balance control ey fi FP fy 4 ABL VAR 2 PARALLEL CONV KEY ASSIGNER SE addition to its highly versatile low frequency oscillator section the CS70M also offers an independent LFO that provides a broad range of manual LFO modulation possibilities Th
41. l want to select all those banks for the playback of that sequence 2 Check the setting of the MODE switch If you have it set to SPLIT select the program memory buttons for the voices which will be heard from the sequencer playback 3 If repeated playback of the sequence or sequences if more than one memory bank is selected press the REPEAT switch 6 4 Press the PLAY switch 5 Adjust the playback tempo with the TEMPO lever and or the x2 switch 6 To end playback press the PLAY switch a second time Note that when playing back a sequence in the SPLIT mode the split point itself is not in affect the sequencer as well as manual play is possible over the entire keyboard with the number of notes playable determined by the 2 4 switch When the PLAY switch is hit again ending playback or when the sequence Is over the keyboard will revert to the normal SPLIT mode operation Operations Erfe ts SUSTAIN BRILLIA HE While the basic tonal quality of the is determined by the programmable controls various non programmable real time controls are provided for additional modulation filter volume and several special effects For the FEET switch see page 14 GE PORTAMENTO GLISSANDO This switch selects either PORTAMENTO or GLIS SANDO Portamento is a smooth slide from one note ar nates to another whereas glissando gives half step at a time pitch change like playing a chro
42. lly less bright RESONANCE The RESONANCE control boosts the level of those harmonics right around the cut off frequency As the lever is raised from the L to H the effect be comes more emphasized Operation of RESONANCE varies with the setting of the CUT OFF FREQ lever When the CUT OFF FREQ lever is set in the lower half of its range and the RESONANCE ever D is raised the effect becomes more pronounced EG VCF VCF Envelope Generator The VCF Envelope Generator varies the cut off fre quency of the filter over time Timbre filter cutoff envelopes are controlled by the ATTACK TIME 904 DECAY TIME SUSTAIN LEVEL and RE LEASE TIME levers D EG DEPTH VCF The ENVELOPE GENERATOR DEPTH control adjusts the amount or range of effect of all the VCF EG controls on the cut off frequency As the lever is moved from O to 10 the effect on the EG timbre change becomes more pronounced A ATTACK TIME The ATTACK TIME lever adjusts the length of time from the initial depression of a key until the maxi mum cut off frequency level is reached As the ATTACK TIME lever is moved from S to L this becomes longer DECAY TIME The DECAY TIME lever adjusts the length of time it takes for the cut off frequency to go from the maxi mum it reached at the end of the ATTACK time to the SUSTAIN leve cut off Moving the lever toward L increases this time period SUSTAIN LEVEL
43. matic scale In the SPLIT mode portamento and glissando are not in effect on either the lower part of the keyboard ar on the sequencer if it in play back amp D TIME lever This lavar adjust the rate change of the pitch ef fected by either PORTAMENTO or GLISSANDO As the lever is moved toward the this change become slower If vou do not wish to have any PORTAMENTO or GLISSANDO this lever should be set all the way t 94 If a foot switch FC 4 connected to tha PORTAMENT jack on the rear panel the portamento or the glissando effect can be turned on and off via this switch and the rate can be controlled by the levar controlling the release time To turn off the affect when not using the foot switch move the lever all the wav to 5 BRILLIANCE lever The BRILLIANCE allows fine adjustment during performance of the VGF cutoff frequency Just like the CUTOFF FREQ lever in the VCF block moving the lever upwards towards the raises the cutoff frequency alving a brighter tone richer in harmonics During programming of voices in the MANUAL or EDIT modes it recommended to keep the BRIL LIANCE lever in tha center zero position Mote that the BRILLIANCE lewer effects the tonal quality of both channels Note that the BRILLIANCE lever works in the same manner as the CUTOFF FREQ control thers fare it adjusts the tonal quality of the sound accard ing ta the VCF mode LOWPASS BANDPASS or
44. mmable parameters Note that certain switches and levers are nat programmable as it would be meaninaless to store their values Set the program select switches of both channels to MANUAL and the MODE switch to NORMAL to check the operation of the controls a F Y o n E til kA MU AL ru fii Pod Levers and switches not programmed levers and switches are not programmed f 1 WHEEL Y eov levars and switches arg programmabia paramatrerg White in programmable parametar block can be used any programs VCO Voltage Controlled Oscillator Depending on the voltages applied the VCOs create sound source waveforms of different frequencies pitches DC control voltages CV corresponding to the desired pitch are input on the basis of the data from the keyboard or the memory of the sequencer Waveform select switches I Sawtooth wave This switch selects the Sawtooth wavetorm and when depressed lights the corresponding LED indicator The sawtooth wave is effective for imitating the sound of stringed or wind Instruments because it is rich in both add and even order harmonics Press the switch again to turn off the sawtooth wavetarm Spectrum of sawtooth wave O aH i Amplitude Time 1G dB 4 3 0 Frequency Amplitude Period 3 il i O ML Square wave Press this switch to select the square wave generator as
45. off Irequency To pass through to the When both are turned off LP low pass filters are selected fe cut off frequency P LP Low Pass Filters When the HP and BP switches are both off the VCF functions as a normal low pass filter eliminating only those components of the output of the VEO s which are above the cut off Trequenay TIME X5 Switch This switches causes the range of the ATTACK DECAY and RELEASE time levers in the VCF envelope generator EG to multiplied by a factor of 5 The resulting long envelope times available are useful far various special effects 3 Envelope Polarity Selector Switch This switch Invarts the anvelope generator curve sa that positive going control voltages from the EG become negative and vice versa When in the normal LP filter made tha switch causes the to func tion as a high pass low cut filter CUT OFF FREQ This lever raises or lowers the cutoff frequency of the Vv CF When the CUT OFF FREQ lever is set at the L end of the LP low pass filter all but the funda mental frequencies from the V COs are cut Operations With the Basic Control Settings the LP is used and the CUT OFF FREQ lever is at the H end This means that all the harmonics from the VCOs pass through the VCF As the VCF lever is lowered to L harmonics are cut in sequence from high order first and the timbre becomes gradua
46. on on the sequencer will play back the contents of its memories with the program memory voices from the 1 8 group and the entire keyboard may be manually played and the sound of the voice chosen from the 9 15 will be heard With a total no more than six simultaneous notes of course see MODE 4 When the power switch is turned on or if the MODE switch is moved from SPLIT to NORMAL the two program memory buttons under the number 1 will automatically be selected When the MODE switch is changed to SPLIT the switches under both the numbers 1 and 9 will be activated EDIT Modifying an existing voice 1 Check that the PGM LOCK switch on the rear panel is set to UNLOCK 2 Check that the channel which you do not intend to edit is not in the MANUAL mode with the MAN UAL button on rather than one of the program memory buttons 3 Depress and release the program memory button of the voice which you wish to alter same as the CALL procedure 4 Depress the switch a second time the LED indica tor should now be flashina showing that the voice is in the EDIT mode Note that when in this mode pressing any one of the other program memory buttons calls that voice and cancels the Edit func tion 22 Operations ad MANUAL 15 Modity the voice as desired only the programmable parameters the controls of which you actually tian when in the
47. onnector for mixed output from channels and 11 Use this connector for output to a professional typa mixer with low Impedance balanced or unbalanced inputs AMPLIFIERS SPEAKER SYSTEM 5 6 MIXED 1 2 These are unbalanced output jacks for standard 1 4 phone plugs and can provide either mixed output separate channel and 11 outputs When a plug is inserted only into the MIXED jack the mixed output of both channels is available When plugs are inserted both jacks mixed 1 and 2 separate signals from channels and are present 7 PHONES front lower left Use with all stereo headphones This jack carries the signals fram channels and mixed the same as the MIXED jack OUTPUT MIXED BALANCED MIXED T T rTx r pd Lu FE UT COLE ng T mr e sea ENE kd AL Fh art 1 2 i4 Lg 2 7 i ahs e Ga ic m 1 H y ih En A it it Connections The has several connections for optional equipment There are jacks for foot switches foot controllers and data input output terminal for connection to other Yamaha synthesizers Optional Tools FOOT CONT These 3 jacks are for use with optional toot controllers 8 MODULATION Tha LFO modula
48. ows any sequence to be played back over and over again continuously as long as the PLAY switch is on If more than one memory bank is selected for playback this switch will also cause the contents of all memories selected to repeat The REPEAT switch can be depressed before or during the playback of a sequence and the patterns will continue repeating until the PLAY switch is turned off Y TEMPO x2 When the x2 switch is off and the TEMPO lever is set at the center line of its range the playback speed wil be the same as the speed at which the sequence was recorded Moving the TEMPO lever towards the will increase the playback speed moving the lever the other way will decrease the speed Turning on the x2 switch will cause the range of the TEMPO lever to be multiplied by a factor of 2 thus greatly increasing the possible playback speeds If your sequence was recorded in the CV ONLY mode the TEMPO and x2 controls will determine the play back speed Sequencer PLAYBACK IN SPLIT MODE When recording a sequence the POLYPHONIC SE QUENCER wil memorize all notes depressed regardless of the position of the MODE switch On playback how ever the number of notes produced is limited by the MODE switch For example if a polyphonic note pattern is played back in the 2 4 mode only two notes out of a possible six recorded will be heard at the out put with the note selection by the SEOUENCER on last note played basis Th
49. quence first the upper row and then the lower Now the basic settings of the PROGRAMMABLE PARAMETERS including the VOLUME lever have been stored in all memory locations Check that no keys play even if a program select switch is pressed If the indicator blinks when a program select switch is pressed press the switch again Restore the basic setting of the Volume level and pro ceed to the next step WRITE switch 8 15 MANUAL CUPIT ATTACK DECAY SUSTAIN RELEASE VOLUME TIME TIME LEVEL TIME 1 Slide down the VOLUME lever a ete Be ln DEl 2 While pressing the WRITE switch press the program select switches 1 through 15 Operations Tuning These controls determine the basic real time operation of the synthesizer and not programmed in the memory AUTO CS70M polyphonic synthesizer equipped with 12 VOLTAGE CONTROLLED OSCILLATOR Tor six tones each in two channels lt is important that the six sets af VCOs be tuned to the same pitch when CV control voltage of the same value is applied to the respectiva VCOs of two channels The CS70M AUTO TUNE function can perform this operation auto matically Be sure to perform the AUTO before tuning with the TUNE in the PITCH block AUTO TUNE Depress and release the AUTO TUNE switch an the lower right of the panel The indi
50. t of the LFO will be routed to the VCF s causing the cutoff frequency to be varied according to the waveform selected and the LFO SPEED control CJ J WHEEL WHEEL VCO MODULATION DEPTH VCA VOLTAGE CONTROLLED AMPLIFIER Using the VCA DESTINATION switch causes the volume of the sound produced to vary with the LFO waveform and speed setting SINE wave modula tion of the VCA s gives a tremolo effect Switch This switch is a non programmable control which assigns the effect of the L FO to both Channels and Il When this button is not illuminated the program mable LFO will modulate the VCO s VCF s VCA s PULSE WIDTH in Channel only The PRO GRAMMABLE LFO then cannot be assigned to just Channel The non programmable LFO see page 29 however can be assigned to Channel only Channel 11 only or both MODULATION WHEEL SWITCH When this switch is turned on the amount of LFO modulation as programmed by the LFO controls can be increased with the MODULATION WHEEL to the left of the keyboard Note that this is also a white non programmable control at any time the amount of LFO effect as programmed by the MODULATION DEPTH control can be varied through the use of the MODULATION WHEEL switch and the MODULATION WHEEL Operations Programming PROGRAMMABLE PARAMETERS The CS70M programmable memory section allows vou to save the voices vou have created for la
51. ted key SPLIT MODE Select 2 4 4 2 E gt Page 52 Balance OK E Page Control On Off at proper time gt ne Finished C Page Trouble Shooting Desired sound is not produced Use basic control settings Sound produced Are amplifier knob and volume right Are amplifier and speaker connected Sound stopped during operation Sound stopped suddenly when playing Is the power cord or the amplifier or synthesizer cord disconnected Did you insert a card while playing Is sound produced when the card is pulled out With LP and BP if cut off frequency is too low even the fundamental fre quency may be cut thus producing no sound This situation may be caused by the wrong position of the CUT OFF FREQ knob or the BRILLIANCE knob or by too deep application of minus envelope Use basic contro settings volume knob of output block in right position Is LINE OUTPUT switch of OUTPUT block ON Check the above problems carefully and if still no sound is produced consult your dealer of the nearest service network Abnormal operation Volume cannot be increased Sound is produced but it s strange decreased y o Edit 15 the volume of the synthesizer Was programmer set t and amplifier proper The knob doesn t work Programmed voice selected When
52. ter recall at the touch of a button All programmable parameters may be written simultaneously into the memory with the WRITE button and this stored data may be recalled through the use of the fifteen pairs of program memory buttons Individual parameters of particular memorized sound may be easily altered by entering the EDIT mode by depressing the program memory button of the voice you wish to change AH the voicing data stored in the program memory locations will nor lost even Tf the power switch is turned off due to built in back up batteries for the memory battery life is approximately two years Voices stored in the 570 5 memory may be permanently saved on magnetic voice cards for an infinite amount of sound storage capability STORE These magnetic cards be reloaded into the s memory at any time LOAD allowing the performer to quickly and easily change any one or more of the voices in the program memory locations B PROGRAM SELECTION switches 1 15 Each PROGRAM SELECT switch controls access to program memory location in which the program mable parameter data 5 stored The upper row of buttons recall the Channel data the lower row is for Channel Il B MANUAL switch The grey MANUAL switches put all the progra parameter sliders and buttons under full manual control from the panel This mode is used for all setting ol the front panel programmable controls except for wh
53. the output of the VCA to go from the SUSTAIN level volume to zero VOLUME This lever controls the overall volume of the VCA s Because the output level of any patch varies greatly with the settings of the VCF and VCA controls use this programmable VOLUME control to bring the completed sound to a standard level before storing it into memory This will prevent sudden changes volume when changing voices in mid performance as well as allow programmable balancing of the out put levels of Channels and Envelope Generator 1114118 8 11111 amp Il 172 tu E 5 2 wn o KEY OFF Operations LFO SPEED EG ATTACK MODULATION DEPTH TIME TIME DEPTH LFO Low Frequency Oscillator PROGRAMMABLE PARAMI The CS70M features both programmable and non programmable low frequency oscillators designed to produce broad range of LFO modulation effects The programmable LFO includes SINE and SAW TOOTH modulation plus GLIDE whieh changes the pitch at the beginning of each note SAMPLE HOLD and a RING MODULATOR These various effects are simultaneously assignable to the FCA vand to the PULSE WIDTH of the square wave FINE This is a non programmable fine adjustment knob for the LFO speed The speed set by the SPEED lever may be adjusted over a range of 10 with this control Since this FINE control
54. the sound source The symmetrical square wave is A Operations MIS uu PROGRAMMABLE PARAMETERS YAMAHA CSS i ed DUAL CHANNEL POLYPHONIC SYNTHESIZER rich in odd harmonies and resembles the timbre of The PW lever operates only when thel Lswitch E wind Instruments such as the clarinet By changing ls turned to select a square wave as the sound the duty cycle with the PW knob even order source waveform When the switch is turned harmanics can be added giving wide variety af off no change is made in tone regardless of the timbres The and 6 switches can be turned on setting of this lever simultaneously ln this case a combination of both wavetornms will result NOISE Raise the NOISE lever from to 10 to add noise to the sound source This white noise has unitorm fre quency components throughout the audio spectrum i and is suitable for generating the sounds of wind Amplitude Tim j eines rime waves trains etc B FEET and II The FEET select switches are located an the lower left of the panel The status of the FEET switch Amplitude o 4 can be programmed into the memory Tha CS 0M covers a range of 5 octaves with its 61 keys By using the FEET switch the range be changed as shown e When the power switch is turned on the synthe below sizer is automatically set to L square wave e When both the sawtooth w
55. tion effect can be controlled with foot controller When the foot controller is plugged inta this jack the MODULATION wheel on the 1611 sida of tha keyboard 15 disabled See 30 9 BRILLIANCE Brilliance can also be controlled with the FC 3A foot controller VOLUME Overall output volume can be adjusted FOOT SW Thee 3 jacks are for use with optional FC 4 foot switches for the control of sustain portamento and the bullt in polyphonic sequencer 11 SEQUENCER Sequencer playback can be automatically started and stopped by footswitch When the PLAY switch lt see page 25 is turned on the foot switch is pressed the sequencer starts Depressing the foot switch a second time stops the sequencer and turns off the PLAY switch indicator 2 PORTAMENTO Portamenta glissando can be switched on and off The length of rhe portamento can be adjusted with the TIME lever amp see page 29 18 SUSTAIN The sustain effect can be switched on and off with this switch The length of the sustain can be adjusted with the SUSTAIN lever See page 29 16 1 1915 Connect to symphonic ensembles such as the SE 30 or SK50D Connect to solo synthe the C56 515 CS20M CS40M Re tar to the operating manual of the synthesizer to be connected tor detalls SOLO OUTPUT SOLO OUTPUT has two output phone jacks which provide control voltage indicating the pitch of the highest
56. u have completed your programming depress and hold the WRITE switch B then depress the program memory button to save your voicing data in the memory location of your choice 3 4 5 6 WRITE SWITCH UIA La 77 While depressing the WRITE button push the program selector Pushing a program select button twice causes its indicator to flash showing that the EDIT mode described in the following is active Pushing the program select button again deactivates the EDIT mode and the indicator stops flashing Write Call Edit CALL Recalling a previous programmed voice 1 Depress the program selection switch of the desired voice 6 1 e x p r 8 v 3 10 at 12 14 PN MANUAL i c S m sa Press an arbitrary program selection switch t doesn t matter if the PGM switch is set to LOCK 1 If you in the NORMAL mode two program memory voices may be selected one for the CHAN NEL output the other for CHANNEL If you are monitoring the output of the CS70M in stereo these two voices will be heard separate channels 2 When the MODE switch is set to SPLIT any two program memory buttons in the 1 8 group and any two program memories in the 9 15 group can be selected simultaneously These voices then will correspond to performance in the lower and upper ranges of the keyboard respectively 3 f the SEQUENCER is in use PLAY butt
57. voice card into the reader writer The program memory LED s which were illuminated will now go off and the keyboard will not trigger the VCO s 3 Press the program memory button of the memory location into which you want to transfer the voice data 7 9 10 11 12 13 tt OY HH 4 Insert the card slightly further into the card reader 5 The card will be read and returned and the LED indicator will again be lit Remove the card If a data error occurs during the loading process the LED on the program memory button will flash quickly remove the card and perform the LOAD procedure again If the card will not load when tried a second time the magnetic voice card may defective or the data on the card may have been scrambled by a magnetic field Try another card to insure that the card reader is operating properly Program select switch flashes Flashes Lights continuously 6 a pm TEE Store or load finished Remove card Error occurred Do store or load again RECORD PLAY POLYPHONIC SEQUENCER The POLYPHONIC SEQUENCER is a sophisticated system that functions almost like an extra pair of hand in live performance situations Each of the four Se quencer memory banks can store separete note rhythm patterns all with six note polyphonic capablity The SEQUENCER functions in a manner just like the board it provides multiple control voltage and trigger information to the VCO s VCF
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