Sony Walkman WM-D6C User's Manual
Contents
1. SONY IL 4 STEREO CASSETTE CORDER M D6C OPERATING INSTRUCTIONS Please read this operating manual thoroughly before operating this high quality electronic unit so that you can obtain the maximum en joyment from it This manual should be retained for future ref erence and used to answer your operational questions as they arise WALKMAN PROFESSIONAL WALKMAN is a trademark of Sony Corporation 1983 by Sony Corporation OWNER S RECORD The model number is located at the rear and the serial number is located in the battery compartment Record the serial number in the space pro vided below Refer to these numbers whenever you call upon your Sony dealer regarding this product Mode No WM D6C Serial No INFORMATION This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the2. It may create a traffic hazard and is illegal in some areas It can also be potentially dangerous to play your headsets at high volume while walking especially at pedestrian crossings You should exercise extreme caution or discontinue use in potentilally hazardous situations Preventing hearing damage Do not use headphones at high volume Hearing experts advise against continuous loud and extended play If you experience a ringing in your ears reduce volume or discontinue use Caring for others Keep the volume at a moderate level This will allow you to hear outside sounds and to be considerate to the people around you The record button cannot be depressed in the following cases Never depress the but ton forcibly No cassette in the cassette compartment The cassette inserted has had the tabs removed If you have any question or problem concern ing your set that is not covered in this man ual please consult the nearest Sony Service Station authorized to service tape recorders BATTERY INSERTION Insert four batteries size AA IEC designation R6 with correct polarity referring to the illustration below orange dot Note When the set is not to be used for a long period of time or is to be operated exten sively on other power sources remove the batteries to avoid set damage caused by bat tery leakage and corrosion Battery life D _ _ _ aaea F continuous
3. continuous recording playback type of cassette TYPE TYPE IV batteries Sony AM3 N alkaline batteries Sony SUM 3 NS batteries hours To check the battery condition press any of the function buttons and set the peak battery indication selector to BATT The bottom most LED will glow showing battery condi tion If the indicator glows faintly replace all batteries at once The life of other type batteries or batteries 4 of other manufacturers may be different CASSETTE INSERTION Take up any slack in the tape with a thick pencil and insert a cassette with the desired side up Avoid touching the tape surface ee PLAYBACK CONNECTION For pl h For playback through the headphones or playback through speakers Amplifier stereo headphones equipped with stereo miniplug supplied es R L to TAPE or AUX white plug to red plug to left channel right channel to HEADPHONES supplied connecting cord OPERATION peak battery indication selector to PEAK 1 Insert a cassette 5 Adjust the volume of the headphones with 2 Set the TAPE selector to the appropriate the HEADPHONE VOLUME control position Adjust the volume of the speakers with 3 For Dolby B type NR processed tape set the volume control of the amplifier the DOLBY NR selector to B TYPE For Dolby C type NR processed tape set it To stop the tape during playback press the to C TYPE 2g
4. mechanism In playback or recording mode tape motion stops at the end of the tape and the locked buttons will return to the original position automatically In fast forward or rewind mode however the locked button wil not be released automati cally Be sure to press the amp 8g button to re lease it One touch review function During recording you can listen to the mate rial just recorded with this function While recording when the lt REVIEW button is depressed only the RECORD button will be released and the tape will be rewound By releasing the amp REVIEW button the recorder will go into the playback mode 10 Instant edit function During playback simply depress the 6 RECORD button and the recorder will im mediately change to the recording mode This function is convenient for correcting a previously recorded portion Peak battery indicatay and indication selector To observe the input level during recording or recorded level during playback set this selec tor to PEAK The indicator will show the input level or the recorded level for either the left or right chan nel whichever is higher at that instant To check the battery condition set the selec tor to BATT The bottom most LED will light to show the battery condition If the indicator glows faintly replace all batteries at once When the selector is set to OFF no LED will light up E Tape counter for indexing the tape contents Befor
5. button For non Dolby NR processed tape set it to To rewind the tape press the t 4 REVIEW OFF button 4 Depress the PLAY button Playback will To advance the tape rapidly press the DR begin CUE button SPEED TUNE SELECTOR AND CONTROL The playback speed can be adjusted to tune the pitch of a tape recorded on another tape recorder Set the SPEED TUNE selector to ON and turn the SPEED TUNE cofrtrol to F fast or S slow For normal tape speed set it to OFF When the RECORD button is pressed this selector is automatically set to the OFF posi tion TO DUPLICATE ONTO ANOTHER TAPE RECORDER Use the supplied connecting cord or an optional RK G129HG or RK G136HG connecting cord another tape WM D6C recorder RK G129HG dde QR LINE OUT mi O RK G136HG LINE IN RECORDING CONNECTION For microphone recording For recording from other a Stereo component ECM 909A electret condenser Stereo microphone optional R A Na Cy to LINE IN supplied connecting cord red plug toR Tape deck to LINE OUT Amplifier to REC OUT white plug to L Notes To connect a stereo microphone with two L and R miniplugs or two microphones with a miniplug use an optional PC 239S plug adaptor This set supplies power to the ECM 909A from the MIC jack When you use the ECM 909A remove the battery inside the ECM 909A OPERATION h Insert a cassette 2 Set the TAPE selector to the appropriate p
6. e recording push the reset button to set the counter to 000 Make a note of the fig ures to help you locate later a desired pro gram on the tape To prevent accidental erasure Break out the small tabs on the rear of the cassette The RECORD button cannot be depressed if a cassette with its tabs broken out is used To reuse a cassette for recording after the tabs have been removed simply cover the slots with a small piece of cello phane or vinyl tape f gt cellophane tape To make a blank erasure 1 Insert a cassette 2 Ensure that nothing is connected to the LINE IN and MIC jacks 3 Set the REC LEVEL control to minimum 4 Depress the RECORD button HOW TO USE THE CARRYING CASE AND SHOULDER STRAP MAINTENANCE CLEANING THE HEADS Clean the heads after every 10 hours of use to enjoy optimum hi fi stereo sound moisten a cotton swab or a soft clos with denatured alcohol and gently wipe the parts shown below record playback head pinch roller capstan erase head DEMAGNETIZING THE HEADS Either prolonged use or an accidental con tact with a piece of magnetized steel screw driver scissors etc will magnetize the heads causing an increase in tape noise In such an event demagnetize the heads using a commercially available head demagnetizer CLEANING THE CASING Clean the casing with a soft cloth slightly moistened with water or a mild detergent solution Do not use solven
7. equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Warning You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment w TABLE OF CONTENTS Features aeara a rer ere ps ead 3 Precautions 2 reserare Pa deme ya 3 Battery insertion sees 4 Cassette insertion 5 Playback tete ote LEID YR T 6 Recording icc te d db E ROI ONES 8 Other power SOUICES ssssesen 9 Functions to make recording playback yap 10 How to use the carrying case and shoulder strap 2 eee eee eee e eens 11 Maintenance ssesssssee ee 12 Specifications sse 12 Parts identification ac 14 FEATURES Quartz lock capstan servo system assures accurate and stable tape speed in addition to the conventional B type Dolby NR system the WM D6C employs the C type Dolby NR system which reduces tape noise twice as effectively as the B type system Speed control adjusts the tape speed accurately approx 4 in the playback mode DC DC converter boosts the lo
8. n 12V car battery Power output Dimensions 181x40x95 mm w h d 714 x 14x 3Y inches including projecting parts Weight Approx 640 g 11b 7 oz including batteries Supplied accessories Stereo headphones 1 Connecting cord 1 Carrying case and shoulder strap 1 set Design and specifications subject to change without notice OPTIONAL ACCESSORIES AC power adaptor AC D4HG Car battery cord DCC 120A Electret condenser stereo microphone with stero miniplug ECM 909A Stereo headphones MDR 94 MDR CD550 Connecting cord RK G129HG stereo miniplug to two phono plugs RK G136HG stereo miniplug to stero mini plug Plug adaptor PC 239S stereo miniplug to two minijacks Continued trouble free operation of any tape recorder is dependent on the quality of the cassettes used in conjunotion with it The use of Sony cassettes is recommended for high quality recording and trouble free opera tion Your dealer may not handle some of the above listed optional accessories Please ask the dealer for detailed information about the optional accessories available in your country 13 PARTS IDENTIFICATION Peak battery indicator and indication selector Tape counter and reset button DOLBY NR selector TAPE selector REC LEVEL recording level control O RECORD button MIC ATT microphone attenuator switch Q MIC PLUG IN POWER jack stereo mini jack HEADPHONES jack 14 p II pau
9. nstruction manual of the car battery cord x Notes When the AC power adaptor or the car battery cord is connected to the DC IN 6V jack the internal batteies if present are automatically disconnected Use only the AC D4HG AC power adaptor or DCC 120A car battery cord Do not use any other AC power adaptor or car battery cord FUNCTIONS TO MAKE RECORDING PLAYBACK EASY MIC ATT attenuator switch The microphone attenuator is useful for re cording a large input signat on location like rock music or recording with a microphone very close to the source without overloading the recorder amplifier Normally set this switch to the O dB position Set it to the 20 dB position to avoid overloading the amplifier of the recorder when you make a live recording with high input signals The 20dB position attenuates the input level by 20dB Cue and review function During playback you may skip over unneces sary portions of the tape by pressing the Pr CUE button or repeat a certain portion of the tape by pressing the lt q REVIEW button The sound is muted during this function When the P9 CUE or lt q REVIEW button is released the recorder will automatically re turn to the playback mode IJ pause button Depress the tl button to stop the tape for a moment in playback or recording mode To re start press the button again to release it To stop the tape for an extended time use the 2 button Automatic shut off
10. osition 3 For recording with Dolby B type NR pro cess set the DOLBY NR selector to B TYPE For recording with Dolby C type NR process set it to C TYPE For record ing without Dolby NR process set it to OFF l 4 Adjust the recording level following steps 4 to 7 Set the peak battery indication selector to PEAK Depress the Ii button Depress the RECORD button Adjust the REC LEVEL control referring to the level meter 8 Press the Il button again to release the pause mode Recording will begin To listen to the sound being recorded connect the headphones NOG To stop recording press the amp button Recording levels for metal CrO and normal tapes are different When recording with metal tapes the level meter should peak at about 6dB For CrO and normal tapes the peak level should be about 3dB The peak battery indicator will show the highest peak at the time for either the left or right channel whichever is higher at that instant OTHER POWER SOURCES HOUSE CURRENT Use the Sony AC D4HG AC power adaptor optional First connect the adaptor to DC IN 6V jack and then to a wall outlet Before connecting be sure to read the in struction manual for the adaptor 12V CAR BATTERY Use the Sony DCC 120A car battery cord optional and connect the DC IN 6V jack on the set to the cigarette lighter socket of a car Set the voltage selector of the DCC 120A to 6V For further details refer to the i
11. se button gt gt fast forward CUE button O lt 4 rewind REVIEW button D gt PLAY playback button p 4B eject stop button B HEADPHONE VOLUME control p LINE IN jack LINE OUT jack p SPEED TUNE selector and control D DC IN 6V jack
12. ts such as alco hol benzine or thinner as they may mar the finish of the casing 12 SPECIFICATIONS Recording system 4 track 2 channel stereo Wow and flutter 0 14 DIN 0 04 WRMS NAB Tape speed deviation 0 3 speed tuning OFF Speed tuner variations Approx 4 Frequency response DOLBY NR OFF With TYPE IV cassette 40 15 000 Hz 3 dB With TYPE li cassette 40 15 000 Hz 3 dB With TYPE cassette 40 15 000 Hz x 3 dB S N NAB at peak level DOLBY NR C TYPE IV cassette 71 dB TYPE II cassette 71 dB TYPE I cassette 67 dB DOLBY NR B TYPE IV cassette 65 dB TYPE II cassette 65 dB TYPE cassette 61 dB DOLBY NR OFF TYPE IV cassette 58 dB TYPE I cassette 58 dB TYPE cassette 54 dB Total harmonic distorsion 0 9 with TYPE IV cassette MIC PLUG IN POWER stereo minijack x 1 0 25 mV with low impedance microphone LINE IN stereo minijack x 1 77 5 mV 47 kilohms Inputs Outputs LINE OUT stereo minijack x4 output level 0 25 V less than 4 7 kilonms e Headphones stereo minijack x1 load impedance 8 300 ohms Headphones l 30 mW 30 mW at 10 harmonic distortion load impedance 32 ohms Battery life See page 4 Power requirements 6V dc four batteries size AA IEC designation R6 External power input jack required power 6 V dc accepts Sony AC D4HG AC power adaptor optional for use on 120 V ac 60 Hz or Sony DCC 120A car battery cord optional for use o
13. w voltage of DC 6V and maintains sufficient power Amorphous head for recording playback provides a wider dynamic range and a more extended frequency response Tape selector for optimum recording with standard tapes as well as high performance tapes Microphone attenuator eliminates the dis tortion which may be caused by high level input signal MIC PLUG IN POWER jack can supply power to an ECM 909A electret condenser Stereo microphone optional e Three different power sources batteries house current and 12 V car battery 5 LED peak battery indicator shows both the peak level and the battery strength Stereo minijacks can be used for connect ing to audio components Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol OO are trademarks of Dolby Laboratories Licensing Corporation PRECAUTIONS Operate the set only on 6V dc Do not leave the set near heat sources such as radiators or airducts or in a place subject to direct sunlight excessive dust moisture rain or mechanical shock e Should any liquid or solid object fall into the set remove the batteries and disconnect the ac power adaptor or the car battery cord and have the set checked by qualified person nel before operating it any further On headphones Road safety Do not use headphones while driving cycling or operating any motorized vehicle
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