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YAMAHA CA-610 Manual

1. O i U I 0 TYPE B MODEL TYPE E MODEL yw Gwm doe ya a 1 1 1 a ae p Models have ine lie selector shown inside the dotted line see Page 5 4 baa s 1 Speaker System gt THE CA 610 WITH lt ONA a Po L 75 on BUH f FO i i a x CED CEDYRN LE sjeu L ane Ri Reel Tape Deck k B Speaker System Is have DIN RE 7 MASS SIFAT 380 U SEG 50 Ola A NIPPON GAKKI CO LT i i F a i 1 B Speaker System ble Unit FR S HR RY HYF HYFFNFNYHFRHFFA ATH RW YA YF FFF YF FFFAFAIFFFYFFRLHNY RI 0 5 3
2. RF 0 EEAS YAA a F 0 r 728 WWW 2 me ys o eu a op be PA Pa ha efo yn fyn Y Ry rn mo fe onv bev LEFT upper socket and the right hand to the RIGHT lower socket Turntables are usually provided with a third GROUND line Be sure to connect this to the GND terminal screwing down the retaining nut firmly To enjoy record audition turn the INPUT SELECTOR switch to PHONO turn the VOLUME well down and gently lower the cartridge stylus to the record surface Raise the volume to the normal listening level and note the setting If you leave the volume normally at this setting the AUDIO MUTING switch should be used to reduce volume when lowering the cartridge Do WOT lower the cartridge at normal or high volumes or you may damage your speakers Use the SUBSONIC FILTER to cut out any iow frequency rumble and use the BASS and TREBLE controls to give the most acceptable tonal balance At low listening volumes the LOUD NESS switch will give a more natural tonal balance in the ON position lever and the wire end will be full
3. ddd Bon A 3 FD MER BALANCER Front Panel and Controls Rear Panel and Connection 4 Comprehensive Operating Controls and Functions With the CA 610 you can listen to any one source while recording any other or while dubbing from one tape deck to another Also you can isolate the CA 610 from the effects of tape deck input impedance when recordings are not actually taking place by using the Rec Out Off position 5 Precise Continuous Volume Control Plus 46 The muting switch offers instant reductions in listening volume of 20dB and the volume control is an extremely precise continuous type in balance within 1dB from O to 70dB 85 Many Extras are Standard The list of extra features includes comprehensive protective circuits provision for two speaker systems loudness switch for low level listening subsonic rumble switch and stereo mono mode switch etc K TT T TTT T T TT vv F B re mr rr IR r r r r rh rh hr rr rr rr rr rr r r r r r rr rr rr rr rr rra r r rr ra pe r pa r re ru pep ut YAMAHA offers you thanks and congratulations on your choice of the CA 610 pre main amplifier Product of research directed at making the best possible audio performance available to the widest range of enthusiasts the CA 610 is currently setting new standards for tts class 1
4. High Power and Low Distortion With a generous minimum rms output power fo 40 Watts per channel both channels driven from 20Hz to 20kHz into 8 ohm speakers and no more than 0 05 distortion CA 610 performance is exceptional And the same low distortion is preserved right down to 250 mW a tremendous power distortion range At 20 Watts distortion drops to 0 01 and 0 005 at TkHz 2 Fuli Range Power Output Meters The separate meters for L and R hand channels cover the whole range from 0 01 Watt to 100 Watts in one unswitched range a valuable feature that lets you know how much power your speakers are handling 3 Special Low Distortion NFB Tone Controls Tone controls typically only contribute 0 008 to distortion from 20Hz ta 20kHz and there are separate defeat switches for bass and treble controls so that you can check the effect of tone control settings NF sare oa ra rr rr r r r r ho r hu hus YO CYW Keep this manual in a safe place for future reference and refer to it frequently until you are perfectly familiar with all CA 610 controls and functions If your CA 610 has a voltage selector before you plug in the AC supply check that it is set to your local voltage If not properly set turn the knob to the correct position Volt age settings 110 120 130 220 230 and 240 V Canadian models are set for 117 2 alone and
5. Fi reproduction of TV sound for 8 track stereo cartridge tapes for short wave radio reproduction or for high output level PHONO cartridges ceramic or other types your dealer will advise It can also be used with a microphone mixing amp for live stereo recordings if you have a tape deck 150 mV rms Level impedance 150 mvj 02 12 dB boost cut at 50 Hz 10 dB boost cut at 10 kHz 9 dB at 50 Hz 5 dB at 10 kHz 3 dB at 25 Hz 12 dB oct 20 8 4 Cs 29 Transistors 13 Diodes plus 3 Zener Diodes 120 V AC 60 Hz Canada 110 120 130 220 230 240 V 50 60 Hz Other Areas A195 watts 350 watts max via spare AC outlets 435 x 150 x 298 mm 17 1 8 x 6 x 11 3 4 8 kg 17 6 Ib Specifications subject to change without notice cCIFICATIONS Phono dynamic margin at 1 kHz 0 1 THD Output terminals Tape Rec Out 4 2 Tone controls Bass Treble Loudness control With volume at 31 db Subsonic 7 Audio muting Semiconductors Power supply Power consumption Dimensions Wx H x D Weight AM AND 50 50 watts into 4 ohms 40 40 watts into 8 ohms 0 05 or less at rated output 0 05 or less at rated output 10 Hz to 50 kHz Better than 50 A B or A B by front panel switch 4 to 16 ohms A or B B to 16 ohms B 4 to 16 ohms 90 8 0 Sensitivity imnedance 2 5 mV 50 kf 150 mV 50 3 150 80 kO N BLOCK 87 SPECIFICATIONS Continuous minimum
6. from tape deck 1 to deck 2 set the REC OUT SELECTOR to TAPE 1 P 2 The signal played back from 1 will be recordable on 2 If deck 2 is a three head type the quality of the recording can be monitored while it is being made by selecting TAPE 2 with the INPUT SELECTOR switch Similarly use the TAPE 2 p 1 position for dubbing in the reverse direction Tone and other controls have no effect upon the signal being recorded Corrections to tonal balance etc must be made during playback Only LINE INPUT and OUTPUT pin jack con nections are shown but where the DIN REC PB connector sockets are available they may be used instead in the same way with the one DIN plug replacing all four pin olugs Two tape decks 1 and 2 can be connected to the CA 610 at the same time Any input source can be recorded on either 1 or 2 or on both at the same time Copying dubbing from 1 to 2 or from 2 to f is possible and you are not restricted to listening to the source you are recording You can for instance listen to the TUNER while dubbing a friend s tape or listen to a record while recording an FM program for later audition Using standard pin plug cables connect the LINE OUTPUT terminals on the tape deck to the t TAPE PB terminals and the LINE INPUT terminals on the tape deck to the 1 REC OUT terminals Repeat with terminals 2 when you connect a second deck Be careful to connect left and right hand channels cor
7. or alcohol to remove traces of dirt Wipe only with a soft slightly damp cloth Do not assume your CA 610 is faulty before checking the Trouble Shooting list on page 11 for common operating errors T 3 AUDIO MUTING Fa La gmn NORM 20 di 5 70 This offers a straight 20 dB reduction in signal level i e to one tenth the power without having to adjust the VOLUME control Use it when switching between different program sources low ering the phono cartridge onto the record etc If your normal listening level has the VOLUME at about the 3 position switch the AUDIO MUT ING to 20 dB and turn the VOLUME back up to compensate this gives better results Be careful however not to return AUDIO MUTING to NORMAL without reducing the VOLUME again 7 CRUTPUT LEVEL o 2 ay r ant TE 7G 2 i T any os Sia SMALL Lan ces Jn NWY YD di ae Tn BATH DT Te Ra 47 rappers cerem PEED OLIT SELELI TOW es PO SLBA SOE Muga Pr pa E ma BELEG YF uw N t y Fawn ua ia oft x the main electrical supply has been connected if it goes out with the POWER switch still ON this can mean that the power fuse has blown WEOLURNT
8. switch enables you to cut out low frequency rumble which can arise from warped records ete Since it has hardly any effect on audible fregu encies above 25 Hz it can be left ON permanently with virtually no ill effects on normal audition SELECTOR This switch is used to select the program source of your choice whether PHONO TUNER one of two tape decks 1 or 2 or AUX for 8 track BALANCE Control This controls the balance between the L and R stereo channels It should normally be set at the central O position turn it to the right clockwise to make the sound appear to come from the right hand speakers and to the left counter clockwise to emphasize the sound from the left hand speakers aa In the ON position this gives a more natural quality of sound at low listening volumes It boosts the extreme low and high frequencies to compensate for our ears reduced sensitivity to these frequencies at low volumes It should be switched OFF when listening at high loud levels DLFTISLIT LEVEL Meters These sensitive wide range meters measure the output power for each channel from 0 to 100 watts The minimum continuous rms output power of the CA 610 is 40 watts per channel with both channels driven into 8 ohms but peak power can considerably exceed this The watt reading is correct for 8 ohm speakers but should be multi plied by two for 4 ohm speakers and divided by two for 16 o
9. E Control Use this control to give the volume of sound that you require Always start with the control turned fully to the left counter clockwise at the O position and then turn to the right clockwise to increase the volume to the level you require FRONT PAN BREAKERS amp 4 panam 3 08 a d M x I j j 3 1 j t 1 d 1 Y RA LS 1 zz TALE u j 7 1 sppe I i di a emser Sua Rca SS CEEE EIEE 22 2222 21122221221 ES E3 ES PREGA SI STARS IRRITERET rqe Y YR Y H t t PHONES POWER ON OFF Switch Switch ON to connect the main electrical supply The CA 610 will remain silent for a few seconds while the speakers are protected from the pops and clicks that can occur immediately after switch ing ON O POWER LED Indicator With the POWER switch in the ON position this light emitting diode will illuminate indicating that tape cartridge short wave radio etc O STEREO MONG Mode Selector you listen to stereo programs monaurally It is useful in setting the BALANCE control just switch to MONO and adjust BAL ANCE so that the sound comes from mid way between the left and right speakers REC OUT SELECTOR This switch selects which of the programs connect ed to the CA 610 will be recorded H works independently of the INPUT SELECTOR so that you ca
10. ack cables from your turntable a G 6 ndd SS a rere ee Ye te ke YNN r pa r r pe rr K KI ra r rr r r r r r r rr r Ah hu hu r rr hu rr r r ra r r r r pr r dieu pe pr hu Ah Ra hh Pa A as ha ATA a Pa Re Ra hu Ra hh ru r ru ru hu Ra hr ru ru r r rr pur r hu he r ru e ha hu u hu ha ju ha hu Re A S Re i VOLTAGE SELECTOR p AU OUTLE S we DY 6 HAMANMATSU JAPAN 1 YfOtu MAK YY AL uu 000 rr rr rr rr rr rr I r r rr 2 31 ne 2 ES a 6 DODE A fy 1 AKER Gh VANAH NS SERIES 2 DA D16 20 0 77 8 60780 47 r NIPPON BAKKE DO LTD HAM AMATSES 0 WGA ay BISAT yv INS ie TAT YW anan cube op mcn Bn 09 TADA TEDATA TADA Papa DATASETS TATARSTAN TATA BS TATA 7 Po DNE iyn a A PEED ERR
11. ck and make good Set to give correct stereo balance Sound will be restored as soon as the fault clears If the fault persists switch OFF and wait briefly before switching ON again fuse and contact service rep if it blows again Reverse the connections to one speaker not both Plug in firmly replacing the faulty shielding if necessary Check and make good the GND ground wire Increase the separation between turntable unit and speakers avoiding locations directly in line with the speakers Reduce the VOLUME first then switch AUDIO MUT ING OFF Switch OFF except at low listening levels Either the pin plugs from the phono cartridge are not Cause power line not plugged into supply socket AC main fuse has blown a T U l e am mecer U UU U UU aaa Y Volume set TQ eco INPUT SELECTOR in wrong position input pin plugs incorrectly inserted loose or discon nected Speaker connections faulty SPEAKER switch in OFF position Speaker connections faulty input connections faulty Balance control not properly adjusted The protective circuit nas detected Vi DO at the Saa aya speaker terminals and disconne
12. cted them AC main fuse has blown Speaker phase polarity connections incorrect i firmly plugged into the input sockets or the braided 5 O O Sn shielding wire is defective This is caused by acoustic feedback from the speakers to the phone cartridge stylus The AUDIO MUTING switch is ON without having to call a service representative Fault No power although POWER switch is ON POWER LED unlit No sound although power is connected Sound comes only or mainly from either L or speaker Sound suddenly ceases during audition Aloud humming is heard instead of the record when attempting phono audition The VOLUME cannot be raised during record The LOUDNESS switch i is s ON audition without a loud booming noise Bass and treble freguencies are unnatural anc exaggerated SINCE 1887 NIPPON GAKKI CO LTD HAMAMATSU JAPAN
13. en listening only to headphones which should be plugged into the front panel jack socket The speakers are not automatically disconnected by plugging in the headphones and must be switched OFF separa tely Use speakers which are rated to take the full 40 watts of CA 610 output power or set the VOLUME and or MUTING switch so that the rated maximum speaker input power is not ex ceeded as indicated on the meter readings Re member that with 4 ohm speakers the reading must be doubled Le if the meters read 20 watts the real power is 40 watts and halved for 16 ohm speakers Making the Speaker Connections 1 Strip the insulated covering from the speaker connecting cable for approx half an inch and twist any stray ends together If possible apply solder to the exposed half inch Push the lever beneath the terminal as shown in the diagram and align the inner and outer terminal holes Then insert the wire fully home Release the e ou III II I PATA LI I I NNN NN I A NN 2 TAATAAN AAAA TATANTA cl 7 7 7 iya program source and the tape deck 1 and or 2 being used To dub a recording
14. have no voltage selector hsp STSL FF be ae oY TTT III DO DO DO DO DO TA DA TA TA DA TA TA DA DATA Da Ta Pa Pa Da Na Pa Pa Pa Pa Pa Pa Pa Pa MMMM NNT NT NTN MMM NTN D MA DA TA TA DA TA NA NENA RR PERI NS a ERNE SE E NE NE SENI HE PENE ICE EI Do not attempt to carry out internal adjust ments or repairs Leave this to your local service representative Note that the muting circuit keeps the CA G10 silent for several seconds after switching ON to prevent the pops and clicks that can sometimes occur g gt Q If your CA 610 is provided with spare AC outlets on the rear panel make sure that the units you connect do not reguire more power than the outlets are rated to provide Always check the main VOLUME setting before returning the AUDIO MUTING switch to NORMAL The sudden increase in level is enough to damage some speakers with the 40 watts rms per channel which the CA 610 provides if the level was too high to start with TION READ THIS 1 The CA 610 is a high performance pre main amplifier combining high output power with a full range of controls This manual is required reading if you are to get the best from it Do not drop or otherwise jar the CA 610 which is a precision instrument 4 Do not mount the CA 610 where it will be exposed to direct sunlight excessive heat moisture or dust Do not use chemical solvents such as benzene
15. hm speakers BASS Tone Control With DEFEAT This enables you to emphasize low frequency D 2 8 Sy nu MY YNTAU NY TATA MATA MATA TATA MATA NUTA NAPA aya NT PATA PATA tapa a PAPA PADA PAPA TAPADA TT t ap ALX Terminals Use these terminals to connect a second tuner or other item of audio equipment etc See P 9 TAPE 7 2 PB ane met OUT Terminals A total of two tape decks can be attached to these input and output terminals Model Type E see Page 7 is provided with DIN REC PB sockets These are an alternative and are convenient if you have a tape deck with similar sockets and the necessary connecting cable and plugs When either DIN socket is in use the corresponding pin ter minals cannot be used When not actually record ing protect the CA G10 against any effect of Unused tape deck input impedances by setting the RECORD OUT SELECTOR to REC OUT OFF Recording will of course be impossible SPEAKER A S Output Terminals The upper set of terminals should be used first for your A speakers keeping the lower set for a second set B O 22 A TL Ee a ES If your CA 610 is provided with spare AC OUT LET sockets they are not available in certain areas you can plug in other items of audio equipment One socket is switched by the CA 610 POWER switch and is suitable for tuners and other low power units requiring up t
16. n listen to one program while recording any other or record directly from one tape deck to another At the OFF position the CA G10 is completely disconnected electrically from the tape recording terminals ee ESA CEFR With this you can select either or both of two separate stereo pairs of speakers or switch both OFF to enjoy headphone listening BPriONES Jack Socket Plugging in headphones does not switch off the speakers automatically so use the OFF position of the SPEAKER switch if necessary This switch lets sounds rhythm section etc or to reduce them if your speakers sound boomy Turning to the right increases the bass response and turning to the left reduces it The tone control only works when the DEFEAT switch is in the ON position At DEFEAT the tone control is bypassed You can compare directly the effect with and without the tone control by using this switch TREBLE Tone Control With DEFEAT This works similarly for the upper treble fre guencies Sometimes turning slightly to the left to reduce treble response can cut out unwanted hiss noise or record scratch although turning too far will g ve an unnatural or muffled sound Turning to the right increases high frequency response to compensate for absorption by soft furnishings curtains etc The DEFEAT control works in exactly the same way as the BASS defeat J DLHGEGCORNHIC FILTER Switch This
17. o 150 watts The other two are unswitched and can only deliver a total of 200 watts DO NOT exceed these limits J 6 YARANA NS SERIES MODEL GA 10 120 VOLTS 198 WATTS 507801 A z IPPON GAKKI OD LTD HAMAMATSU JAPAN unit to these terminals the left channel sockets are uppermost for all CA 610 input terminals All conventional moving magnet induced magnet etc phono cartridges are suitable Your dealer can advise See P 8 TUNER Inputs Connect your FM or other tuner to these termi nals If it has an adjustable output level adjust this so that the volume does not change abruptly when switching from PHONO to TUNER See P 9 TATATATATU NT WW YDAN SYDD DDYDD DAF THAT DAE PEPE DEYD DDOD DYWOD SYDD TAD DEDIDWFYDETEDOD a oe TYPE A MODEL OOM WARNING TO PREVE NT AN ran am HAZARN ag NOY EXPOSE THI CAUTION OO NO 1 00 6 THESE CREWS SEE SIDE GAL i M GND Ground Terminal Ground terminals of turntable units and other components used with the CA 610 should be connected to this GND terminal particularly if there is any audible hum problem Consult your local electrical dealer if you require detailed advice PHONG Inputs Connect the pin j
18. rectly To enjoy tape audition set the INPUT SELEC TOR to TAPE or 2 as the case may be and operate your tape recorder for playback All tone and other controls on the CA 610 can be used to give the most acceptabie tonal balance To make a tape recording on deck 1 2 or both set the REC OUT SELECTOR to the program source you wish to record PHONO TUNER or AUX Recording will then be possible on deck f and or 2 If you have a three head tape deck most reel to reel decks have three heads but very few cassette decks do you will be able to monitor the recording quality comparing it directly with the original source by switching the INPUT SELECTOR switch between the same Connect the tuner output terminals to the CA 610 tuner input jack sockets using the pin plug cable provided Make sure that the left and right hand outputs are connected to the proper input sockets To enjoy tuner audition turn the INPUT SELECTOR switch to TUNER and operate the tuner to receive FM or AM broadcasts H your tuner generates unpleasant inter station noise use the AUDIO MUTING switch to reduce this while you are tuning If your tuner is provided with output level adjustment use this so that there is no significant change in listening volume when switching the INPUT SELECTOR between TUNER and PHONO settings This is a spare input for any stereo source and has 150 mV sensitivity the same as the TUNER input Use it for Hi
19. rms power both channels driven at rated distortion from 20 Hz to 20 kHz Total harmonic distortion THD intermodulation distortion Power bandwidth IHF both channels driven Damping factor Output terminals Speaker impedance Headphone impedance Signal to noise ratio IHF A network AUX Residual noise Pre main amp 8 ohms Input terminals Phono Tuner Aux Tape PB 1 2 11000 900000 CF br I gga ry gh qe ry fe rh r rrq r peh r ga r he r ra A r rr rr r refa PPa has a Pa a Pas ha has ha ha Pe as ha hat Pe Ams II I PPT 4 Ra Ru Hu hu hu Fu uu uu DYFNAF AY YY EQ NA wenyn yn 6759 EURGPI PEAKER SW POWER SW w Wm I dI HY a Sait GASH ET jm EU H 2 amp SM ed A f ie Wi 2 TROUBLE Before assuming that your CA 610 is faulty check the following trouble shooting list which details corrective action you can take yourself ud MW inte cue cocks WW ae Replace fuse and contact service rep if it blows again Turn up VOLUME Check and change as necessary Check and insert fully in the correct positions Check and make good Set to correct position A B or A Bh Check and make good Che
20. y and firmly gripped making a perfect connection 2 Use the upper A speaker terminals first Be careful that the terminals identified by the and signs above them are connected with the and terminals on the speakers A mistake in this polarity can result in poor bass response and defective stereo image Also be sure to connect the left hand speaker to the LEFT speaker terminals and the right hand to the RIGHT terminals 3 Repeat this with the lower B terminals if a second pair of speakers is to be connected In all cases make sure that connections are fully and firmly made or you may not be able to get any sound from one or more speakers eS GUIR NG ES EG Hai N E RARE AEE PHH 8 S NG RUT E RR EE OT The output cable from the turntable unit should be connected to the PHONO terminals Plug the pin jacks attached to the cables firmly into the terminal sockets making sure that the left hand cartridge output is connected to the The CA 610 can handle two sets of stereo speakers A and B with selection of either both or neither by the SPEAKERS switch on the front panel The CA 610 is designed for speakers with impedances between 4 and 16 ohms when con nected to either A or B terminals If both A and B speakers are operated at the same time however please use only 8 to 16 ohm speakers Use the OFF position wh

YAMAHA CA-610 Manual

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