Sherwood D-480 User's Manual
Contents
1. gt MUSIC SEARCH PROGRAMMING e The automatic music search function automatically skips other programs finds and starts playback from the desired program m z Q mn T Up to 20th program before or after the present program can be searched quickly During playback press the button the desired number of times Example When listening to the second program before or after the present program The second program can be searched quickly and and played back Automatic music search function might not operate as expected if The length of the blank space between two musics is less than 4 seconds The noise level of the blank space is very high The overall recorded volume level of the music is very low RECORDING Load a tape to be recorded into DECK A Select the reverse mode REVERSE EJECT h h 3 Recording of a single side LD CAD Recording of both sides e When selecting recording of both sides and recording first on the reverse side recording is made only on that side e Be sure the erase protection taps on the cassette tapes are in place When recording with DOLBY NR system select the desired DOLBY NR system DONR B C OFF b Select the program source to be recorded Press the RECORD RECORD MUTING button2. DIGILINK REC INPUT JACKS Connect the cords between the REC INPUT jacks of this unit and the REC OUTPUT jacks of your amplifier PLAY OUTPUT JACKS Connect the cords between the PLAY OUTPUT jacks of this unit and the PLAY INPUT jacks of your amplifier DIGI LINK JACKS Connect this jack to the DIGI LINK jack of Sherwood component such as R125 R325 etc bearing the DIGI LINK Ill or II mark to control this unit remotely by DIGI LINK system AC INPUT CORD Plug this cord into the switched AC outlet of amplifier or a household AC outlet UNSWITCHED AC OUTLET REGIONAL OPTION Power always flows to this outlet regardless of whether this unit is switched ON or OFF if power flows through the AC input cord of this unit NOTE The equipment whose power consumption exceeds 100 watts should not be connected Front Panel Controls E Front Panel Controls ENGLISH 23 4 8 24 23 AUTO REVERSE is i LAI um AUTO REVERSE q gt EOI 0D E EU lt gt NOR LE HX PRO JA RECORD amp PLAY AUTO TAPE SELECTOR PLAY AUTO TAPE SELECTOR 14 1 9 8111720 2 18 2 191016 SSETTE DECK D 480 COUNTER 4 RESET A B MODE TAPE SIZE MEMO
3. Start CD syncro recording CD SYN REC CJ CD SYN lt A b gt FEE 20 10 6 3 o 3 4 6 RI The CD is selected automatically on the amplifier DIGI LINK Ill receiver If 8 seconds elapses after starting recording the CD player starts play automatically NOTE Only when the erase protection taps on the cassette tapes are in place CD synchro record function will be operated During CD synchro recording if other program source on the receiver is selected the unit stops CD synchro recording and starts recording the selected program source DUBBING FROM DECK B to DECK A Open the cassette door by pressing the Select the reverse mode EJECT button and load a blank cassette tape into DECK A and prerecorded cassette tape into DECK B REVERSE t Recording of a single side LO C Recording of both sides ENGLISH Press the DUBBING MODE button to To stop dubbing select the normal or high speed 1 5 times normal speed dubbing m z Q E mn T High quality sound will be obtained in the nomal speed dubbing mode DUBBING NORMAL HIGH Then dubbing will start NOTE During dubbing the Dolby NR is automatically set to OFF and the recorded tape can be dubbed as it is During dubbing do not change the speed If so tape click noise may
4. OPERATING INSTRUCTIONS gt Tf HXPRO B a 3 JA RECORD 8 PLAY AUTO TAPE A Double Cassette Deck Sherwood NEWCASTLE 9505555555 6666669696 m z Q z mn T Unpacking and installation Congratulations on your purchase Your new high fidelity Integrated Cassette Deck is designed to deliver maximum enjoyment and years of trouble free service Please take a few moments to read this manual thoroughly It will explain the features and operation of your Unit and help a trouble free installation Please unpack your Cassette Deck carefully We recommend that you save the carton and packing material They will be helpful if you ever need to move your unit and may be required if you ever need to return it for service Your Cassette Deck is designed to be placed in a horizontal position and it is important to allow at least two inches of space behind your unit for adequate ventilation and cabling convenience To avoid early damage never place the unit near radiators in front of heating vents in direct sunlight of in excessively humid or dusty location Connect your complementary components as illustrated in the following section This symbol is intended to alert the user to the presence of unisulated CAUTION dangerous voltage within the RISK OF ELECTRIC SHOCK product s enclosure that may be of DO NOTSEEN sufficient magnitude to constitute a risk of electric shock to pers
5. nN o 3 The type of a tape loaded is detected automatically by the auto tape selector and recording bias and equalization are set automatically according to the characteristics of the tape such as normal chrome or metal tape If the tape is recorded with Dolby NR system select the corresponding Dolby NR system DONR B C OFF t Each time this button is pressed the Dolby NR system changes as follows DOLBY B DOLBY C OFF On commercial pre recorded cassette tapes if Dolby NR or pg appears but Dolby C is not specified the tapes are recorded with the Dolby B NR Select your desired reverse mode REVERSE w Each time REVERSE MODE button is pressed mode changes as follows ENGLISH E One side play or recording Side A gt STOP Side B STOP TA Side A gt Side B gt STOP Side B Side A gt STOP Continuous Auto Reverse Mode Side A gt Side B Side A e To use relay play load the cassette tapes into DECK A and B and press the RELAY PLAY button RELAY PLAY w The relay patterns are different according to the reverse mode Refer to the followings Example When starting the forward playback at DECK B Deck B Side A Deck A Side A Deck B Side A gt Side B Deck A Side A Side B 0 Deck B Side A side B Deck A Side A Side B Deck B continuous relay play Start playback To stop playback
6. ER D lby Dolby NR OFF t 97 Dolby B 1048 Pi Dolby B OL 20 50 100 200 500 1000 2000 5000 10000 20000 Response dB MOTA Ys 0 PERAR aa cuk 20 100 200 500 1000 2000 5000 10000 20000 Noise Level dB Frequency Hz Frequency Hz Dolby noise reduction and HX Pro headroom extension manufactured under license from Dolby Laboratories Licensing Corporation HX Pro originated by Bang and Olufsen Dolby the double D symbol and HX Pro are trademarks of Dolby Laboratories Licensing Corporation NOTES ON CASSETTE TAPE ENGLISH Before loading a cassette tape take up the slack in the tape to prevent it from becoming entangled around the capstan e After the recording has been finished remove the tab to prevent the recorded contents from being erased or recored on accidently For side B For side A To rerecord after tabs have been removed cover with adhesive tape Do not store the tapes in direct sunlight or near equipment that generates heat Keep the tapes away from any magnetic fields Do not touch the tape surface Store the tapes in their cases after use Dust can cause contamination of the heads resulting in noise CLEANING THE HEAD SECTION Clean the head section about every 10 hours of use Use a commercially available head cleaning tape For better recordings you should clean the head section before every recording After
7. cleaning the head section do not load a tape until the cleared section is completely dry DEMAGNETIZING THE HEAD Demagnetize the recording playback head about every 10 hours of use with a commercially avaiable demagnetizer so that the magnetized head may not cause the sound to be deteriorated I 2 l 0 pa Lu Troubleshooting Guide If your unit does not perform as expected consult the table below to see if the problem can be corrected before seeking help from your dealer or our service organization PROBLEM POSSIBLE CAUSE REMEDY No power The AC input cord is disconnected e Connect the cord securely e The POWER switch is not pressed e Press the POWER switch to ON completely No sound Unrecorded tape is loaded Load the recorded tape e Incorrect connections e Incorrect operation of the amplifier e Make connections correctly e Operate the amplifier correctly Distorted or abnormal sound e Dirty head e Incorrect selection of the Dolby NR system The tape is stretched or wrinkled e Clean the head e Select the corresponding Dolby NR system or OFF e Replace the tape Vibrating sound e Dirty capstans or pinch rollers The tape is irregularly wound e Clean the capstans or pinch rollers e Wind the tape by advancing or rewinding rapidly Too noisy Magnetized head e Demagnetize the head e Poor connections e Check the connections and c
8. the equipment operates satisfactorily does not imply that the power point is earthed and that the installation is completely safe For your safety if in any doubt about the effective earthing of the power point consult a qualified electrician PAN EUROPEAN UNIFIED VOLTAGE All units are suitable for use on supplies 220 240 V AC FOR OTHER COUNTRIES 110 V 220 V FOR YOUR SAFETY Units shipped to countries other than the above countries are equipped with an AC voltage selector switch on the rear panel Refer to the following paragraph for the proper setting of this switch AC VOLTAGE SELECTION This unit operates on 110 220 V AC The AC voltage selector switch on the rear panel is set to the voltage that prevails in the area to which the unit is shipped Before connecting the power cord to your AC outlet make sure that the setting position of this switch matches your line voltage If not it must be set to your voltage in accordance with the following direction AC voltage selector switch AC 220 V AC 110 V Move switch lever to match your line voltage with a small screwdriver or other pointed tool ENGLISH Rear Panel Connections Do not plug the AC input cord into the AC outlet when making connections Be sure to connect the white plugs to the L Left and the red plugs to the R Right jacks when making connections m z Q mn T
9. 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 e Consult the dealer or an experienced radio TV technician for help CAUTION Any changes or modifications in construction of this device which are not expressly approved by the party respoonsible for compliance could void the user s authority to operate the equipment Read this Before Operating Your Unit FOR THE U S A AND CANADA 120 V FOR YOUR SAFETY Units shipped to the U S A and Canada are designed for operation on 120 V AC only Safety precaution for a polarized AC plug However some products may be supplied with a non polarized plug CAUTION To prevent electric shock do not use this polarized plug with an extension cord receptacle or other outlet unless the blades can be fully inserted to prevent blade exposure FOR AUSTRALIA AND EUROPE 220 V 230 V 240 V OR OUR A Units shipped to Australia are designed for operation on 240 V AC only To ensure safe operation the three pin plug supplied must be inserted only into a standard three pin power point which is effectively earthed through the normal household wiring Extension cords used with the equipment must be three core and be correctly wired to provide connection to earth Wrongly wired extension cords are a major cause of fatalities The fact that
10. RY DKINRB C 0FF O OO RELAY PLAY REVERSE DUBBING U 0__ CDSYNREC EJECT lt AUT T F NORMAL HIGH V UD 4 a y a y HX A RECORD amp PLAY AU POWER REC LEVEL REC BALANCE m O o io E R m z Q mn T POWER SWITCH Press this switch to turn the power on and press again to turn the power off For system operation plug the AC input cord into the switched AC outlet on amplifier or receiver keep the POWER switch ON and control power ON OFF with the main POWER switch on the amplifier or receiver HEADPHONE JACK Stereo headphones with a standard 1 4 inch plug can be plugged into this jack for private listening REWIND and FAST FORWARD BUTTONS lt lt and p gt Press the button to rewind or advance the tape rapidly For AMS Automatic Music Search press this button during playback REVERSE PLAY BUTTON Press this button to play back the reverse side of the tape FORWARD PLAY BUTTON Press this button to play back the forward side of the tape STOP BUTTON E Press this button to stop a tape RECORD RECORD MUTING BUTTON e O DECK A only Press this button and this unit will be in r
11. as is thus added at the optimum rate for both high and low frequencies The unit incorporates the Dolby HX Pro system which automatically adjusts the bias for nomal CrO2 and metal tapes at both channels independently Since the system is automatically engaged during the recording process only the audiophile can enjoy the full benefits of any tape without worrying about proper adjustment of switches and encoding decoding controls 250uW M 0 5 zy 2 E 10 A Dolby HX PRO ON 15 Dolby HX PRO OFF 20 10 100 1k 10k Frequency dB PRINCIPLE OF DOLBY NR SYSTEM The Dolby NR system functions so that it automatically increases recording levels of medium and high frequencies when the recording signal level is lower than the specified level encoding and automatically reduces the output level to the normal level during playback decoding In this way the tape hiss noise is remarkably reduced without affecting the sound quality The Dolby NR system used in your cassette deck improves S N ratio by about 5 dB at 1kHz and about 10 dB at 10 kHz B type and by about 20 dB on the most frequency range in C type Furthemore C type has the anti saturation network which reduces the affects of high frequency saturation improving high range frequency response Characteristics of Dolby B C type Noise Reduction Effect
12. be recorded During dubbing the settings of the REC LEVEL and the REC BALANCE controls are ignored SELECTING A COUNTER MODE There are two kinds of counter mode tape counter time counter for displaying the elapsed recording or playback time Select the desired counter mode Example When selecting the time counter 3 6 gt 0 M Hall 11911 Ill Hell Ie 4 I PII ll I Il 3 6 oga Hell 1811 19 III Will Net O O e Each time this button is pressed the counter mode changes as follows TIME COUNTER mode TAPE COUNTER TIME COUNTER SELECTING A TAPE LENGTH Select the corresponding tape length according to the loaded tape TAPE SIZE y W Example In case of 60 minute tape 6 age TNT 1811 13 IEII Wall 18 e Each time this button is pressed the tape length changes as follows gt C 60 C 90 C120 73 DO 3 6 Ega AT 11811 19 JO Wim 18 During playback or recording the elapsed recording or playback time are displayed The time counter is not actually a clock so that the displayed time is not exactly equal to the actual elapsed time RESETTING TO 0000 OR 00 min 00 sec e In each counter mode press the COUNTER RESET button to reset to 0000 or OO min 00 sec Example In the tape count
13. ecording pause mode To start recording press the FORWARD PLAY or REVERSE PLAY button PAUSE BUTTON 11 DECK A only Press this button to temporarily stop playing back or recording or dubbing To restart the tape Press the PLAY button REVERSE MODE BUTTON Press this button to select the desired reverse mode when playing back or recording RELAY PLAY BUTTON Press this button and the deck relays to play from Deck A to Deck B or vice versa Use this function with the REVERSE MODE button 2 REC LEVEL CONTROL Use this control to adjust the recording level 9 REC BALANCE CONTROL Use this control to adjust the balance of the right and left recording level NORMAL SPEED DUBBING BUTTON Press this button to set to Normal Speed Dubbing Mode HIGH SPEED DUBBING BUTTON Press this button to set to High Speed Dubbing Mode CD SYNCHRO RECORDING BUTTON Press this button to use the CD SYNCHRO RECORDING function TAPE SIZE BUTTON Press this button to select the tape length for displaying the elapsed time when playing back or recording 9 MEMORY BUTTON Press this button to memorize the specific point on the tape oo NR B C OFF BUTTON Press this button to select the Dolby B type or C type NR system when playing back or recording COUNTER RESET BUTTON Press this button to reset the counter to 0000 or 00 min 00 sec ENGLISH DECK A B COUNTER SELECTOR BUTTON Press this button to select w
14. er mode Press the MEMORY button to memorize the desired counter number or time MEMORY O e The unit will automatically returns to the memorized position when the FAST FORWARD or REWIND button is pressed This function is helpful to listen to the desired intervals repeatedly e Press again to cancel RF Moll 1811 ND JO Will Net I EN O 3 6 15 ENGLISH m z Q mn T DOLBY HX PROFESSIONAL HEAD ROOM EXTENSION DOLBY HX PRO 1 Dolby HX PRO is a professional recording bias system which are now available in some home cassette recorders that improving dynamic range and signal clarity for life like sound quality When recording audio signals which contain high frequency components these components influence the bias and decrease the high recording frequencies If the amount of the bias is high high frequencies are decreased while the amount of the bias is low high frequencies are increased resulting in high distortion The Dolby HX Pro system responds to high or low frequencies to regulate the oscilation of the bias level added to the recording head thus providing a stable effective bias to the audio signals being recorded When an audio signal contains a large number of high frequency components the bias is held to a low value and deterioration of high frequencies is avoided where as for low frequencies the bias is added at a fixed rate Bi
15. g the tape characteristics The optimum recording level depends on the type of music to be recorded and also on the type of tape used Generally adjust the recording level so that the level meters indicate around the O dB point for normal or chrome tapes or the 3 dB point for metal tapes at the highest signal level m z Q mn T e e i i OO dB OO 20 10 6 3 O 3 6 E EE TE EE TE EE ES Proper setting for normal or chrome tapes o e e AD RNE G ES A A O E TE TE ES Proper setting for metal tapes u EE dA GO SZ a is e E TE TE TE ES Too low of setting too noise o mua Ww AS O Ad Z Z es TR E TE TE TE ES Too high of setting distorted sound e In the recording pause mode press the RECORD RECORD MUTING button again eo The unit will make 4 seconds of blank space then enter the recording pause mode 12 RECORDING A CD AUTOMATICALLY When this unit is connected to a Sherwood DIGI LINK Ill CD player controlled remotely by the DIGI LINK system the CD Synchro record function can be operated Before starting CD synchro recording adjust the recording level and the balance Repeat steps 1 2 3 and 4 of RECORDING According to the tape length edit the Procedure tracks to be recorded on the CD player referring to the operating instructions of that
16. hich deck to be counted The tape detection indicator blinks 4 times COUNTER MODE BUTTON Press this button to select the tape or time counter mode CASSETTE DOOR Press the EJECT button of the corresponding DECK to open the cassette door when the deck is in the stop mode The door can be easily dismounted by pushing it up and then taking it out toward the front after opening the door EJECT BUTTON Press this button to open the cassette door FLUORESCENT DISPLAY OA BOO O O W O W D A HIGH SPEED DUBBING INDICATOR RECORDING INDECATOR DOLBY NR INDICATORS DECK A TAPE TRANSPORT INDICATORS NORMAL SPEED DUBBING INDICATOR REVERSE MODE INDICATOR DECK B TAPE DETECTION INDICATOR DECK B TAPE TRANSPORT INDICATORS COUNTER DISPLAY LEVEL METER DISPLAY DECK A TAPE DETECTION INDICATOR MPX FILTER INDICATOR RELAY PLAY INDICATOR CD SYNCHRO RECORDING INDICATOR MEMORY INDICATOR m z Q mn T Operations PLAYING BACK TAPES Press the POWER switch to turn the power on Insert the cassette with exposed tape side facing down To close the cassette door push the door until it locks shut EJECT b According to the type of the tape loaded you will see the following display Auto Tape Selector Normal tape NOR is displayed Chrome tape CR is displayed as Metal tape ME is displayed mei
17. onnect all cords securely Norecording The tabs have been removed e Cover with the adhesive tape e The REC LEVEL control is set to 0 e Dirty head e Set the REC LEVEL control properly e Clean the head Specifications M GENERAL Power Requirement yy z A ee ead Baa es 120 V 60 Hz Power Consumpt On 4 14 A a AA AA OPONY OE penta ar i cu atado de EL 16 W PDimiensions W o A D e alii 440 x 125 x 245 mm 17 113 X 4 15 16 X 9 5 8 inches Wa a dde AA 5 8 Kg 12 8 lbs Note Specifications and design subject to change without notice for improvements ENGLISH 5707 04683 004 0 9007018996
18. ons CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK This symbol is intended to alert the NO USER SERVICEABLE PARTS INSIDE user to the presence of important operating and maintenance servicing instructions in the literature accom panying the appliance To prevent electric shock do not use this polarzed plug with an extension cord receptacle or other outlet unless To prevent fire or shock hazard do not expose the blades can be fully inserted to prevent blade the unit to rain or moisture exposure REFER SERVICING TO QUALIFIED SERVICE PERSONNEL FCC 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 interterence 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 the equpment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e
19. to enter the recording pause mode eo SS 4 gt Recordable on both sides Il gt Recordable on front side 4 Recordable on back side Adjust the recording level with the REC LEVEL control see page 10 Adjust the balance of the right and left recording level with the REC BALANCE control REC BALANCE In general set this control to the center position Listen to the program source and adjust the recording level and the balance Press the PLAY button to start recording To temporarily stop recording 00 eo CD SYN REC pa To restart recording press the corresponding PLAY button To stop recording b ENGLISH RECORDING LEVEL ADJUSTMENT The most important factor for good recording result is the recording level adjustment If the recording level is set at maximum the signal to noise ratio S N and the dynamic range range of sound volume will improve but if it is set too high the sound quality will deteriorate On the contrary when the recording level is set too low in order to avoid distortion tape hiss noise becomes too evident Even among tapes of the same type the tape characteristics may differ according to maker and kind It is therefore important to determine the optimum recording level for each tape used in order to obtain good recordings by fully utilizin
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