Krell Industries MD10 User's Manual
Contents
1. ma MD 10 OWNER S REFERENCE mm A INTRODUCTION Congratulations on your purchase of the MD 10 CD Transcription turntable and welcome to the KRELL family of audio components You have joined a select group of listeners who enjoy only the finest in music reproduction We are dedicated to the development of technologically advanced components for the reproduction of digitally recorded music and continuing the Krell tradition of performance through leading edge tech nology This Owner s Reference 15 divided into several sections each designed to perform a different function Basic installation operation and a Question and Answer section are included where answers to common questions are provided Should you have any questions or suggestions lease feel free to contact your authorized dealer or the RELL staff for assistance In the unlikely event that your MD 10 should require service you will be pleased to know that it is backed by a comprehensive Customer Satisfaction policy and one of the most advanced service facilities in the industry For detailed information on the terms and conditions of ser vice please consult your warranty registration card or your authorized KRELL Distributor B TABLE OF CONTENTS 3 UNPACKING AND ASSEMBLY 4 DUST COVER INSTALLATION 6 BASIC INSTALLATION AND CONNECTIONS 9 OPERATION OF THE CD TRANSPORT 11 REMOTE CONTROL 12 TRACK AND FTS PROGRAMMING 15 MAINTENANCE 16 QUESTIONS AND ANSWERS 12. either fibre optic or coaxial digital inputs Which output should I use on the MD 10 A While a high quality coaxial will quite well we recommend glass fibre optic cable due to its ability to completely isolate the grounding planes between the transport and processor and its resistance to RF interfer ence If an AT amp T or AES EBU input is available we recommend one of these interfaces be utilized Q When listening to certain discs I hear skipping noises Is there something wrong with the MD 10 A Due to the accuracy of the laser reading system in the MD 10 discs must be kept reasonably clean If the disc 1S perl reat it could be because of excessive dirt or fingerprints Clean the disc and retry If the disc still skips try several others If it is only the first disc that is Skipping the disc may need to be replaced If the unit mistracks on several discs contact your Krell dealer or distributor Q I can not seem to get the FTS Se emotes feature to program my discs is there something wrong A Make sure the disc you wish to program is indexed or read by the machine before you start your program Refer to the FTS programming instructions in this refer ence Make sure when you are playing FTS encoded discs that the FTS button is pressed and the display reads FTS If the sequence is altered the MD 10 can not cor rectly correlate the FTS information Q Do you recommend I leave the MD 10 ON at all times A
3. Yes These circuits are most accurate and stable when left to idle when not in use In fact discrete faster when cycled ON and OFF The MD 10 will sound better and last longer if left ON NOTE You should disconnect the AC cord from the wall outlet before any electrical storms or if you plan to be away from your home for prolonged periods of time Q Will the MD 10 play if the dust cover is fully raised A Certainly The unit will function perfectly even with the dust cover removed 16 Q Due to the exposed nature of the laser assembly is there a possibility of damage through laser radiation A No There is an optical sensor under the CD when it is positioned on the transport hub This allows the MD 10 to prohibit the laser from turning on when it is not cov ered with a CD I own many CDs that have CD Rings on them Am I able to use these discs with the MD 10 A Yes The MD 10 will accept discs with CD Rings Due to their very low mass they will not damage the MD 10 s transport While we can neither affirm nor deny the benefits derived from the use of CD Rings we do not feel that type of disc equilibrium device is required the MD 10 when properly used with our CD Stabi izer CAUTION We strongly advise against the use of any type of additional disc stabilizer These items add too mass to the laser servo system and may burn out the drive Q Do you recommend the use of Cones o
4. the remote control should be changed when the transport is no longer understanding or cor rectly responding to the commands sent from the unit Remove the four socketcap screws from the back portion of the remote control Remove the back plate to expose the battery storage compartment Refer to the polarity drawing while inserting the batteries Replace the back plate and insert the four socketcap screws FUSE INSTALLATION AND REMOVAL If the MD 10 does not seem to power up unplug the unit from the AC wall socket and check the fuse 1 Locate the fuse holder on the back of the unit labled FUSE Turn the fuse holder counter clockwise and gently pull the fuse free from the chassis 2 Check to make sure the foil in the center of the fuse is still connected If you are still unsure measure the fuse with an ohm meter to determine if it is intact The MD 10 uses a 1 amp fast blow fuse at 115v and a 5 amp fast blow fuse at 220v Should the fuse need replacing use only the fuse specified 3 Place the fuse into the receptacle and push and turn ently clockwise until the fuse holder is fully seated the unit into AC wall socket and press the Power utton CAUTION Should the MD 10 not power up and continously blow fuses unplug the unit from the AC wall outlet and contact your Krell dealer or distributor 15 FC NVNOLLNIVIA www J QUESTIONS AND ANSWERS Q My Digital to Analog processor will accommodate
5. 8 SPECIFICATIONS 19 WARRANTY AND SERVICE INFORMATION C UNPACKING AND ASSEMBLY 1 Open the box and remove the top layer of protective foam The following items will now be visible Dust Cover encased in a protective sleeve 1 CD Stabilizer AC power cord 1 MD 10 RC Remote Control 1 Packet containing the Owner s Reference and warranty Car NOTE If any of these items are not included please contact your authorized dealer immediately for assis tance 2 Remove the layer of foam containing these items and set it aside for later use Carefully remove the MD 10 from its box and remove the protective plastic wrap NOTE Save all packing materials If you must ship your MD 10 in the future repack the unit in its original pack aging to revent transit damage If the unit is returned to L for service please send the cover and the remote control unit CAUTION Do not remove the acrylic dust cover from its protective sleeve at this time This cover is extremely delicate and can be permanently scarred if mishandled Please follow the instructions provided in this Reference for safe installation 3 D DUST COVER INSTALLATION 1 Looking at the front of the MD 10 locate the two black hinge block assemblies on the rear left and right corners Refer to location diagram 2 Locate the hinge pin on the back of each hinge block and pull them out gently until they are fully extended 3 epon the flap only on the pro
6. ELL DIGITAL INC 35 HIGGINS DRIVE MILFORD CT 06460 wu SALES 203 874 3139 FAX 203 878 8373 COPYRIGHT 1992 KRELL DIGITAL INC MD109209
7. O PLAY AN FTS DISC 1 Press the FTS button on the remote or front panel before you press PLAY 2 The FTS indicator on the display will flash 3 While it is flashing press the PLAY button and the MD 10 will play only the tracks in FTS memory If you do not wish to play only the FTS selected tracks on a disc press Play with out pressing the FTS button first The entire disc will now play 13 ee NAITO Gw wwwsi TO ERASE FTS PROGRAM MEMORY NOTE FTS memory can only be erased via the front panel controls The remote control cannot erase FTS memory NOTE The disc does not have to be on the MD 10 to erase FTS memory Erasure can be completed with no disc on the drive spindle 1 Press the FTS button on the front panel Hold the button in while pressing the forward or backward track select You will notice the machine is scrolling FTS designation numbers Once you have found the FTS designation number you want to erase press the STOP button and the program will be erased 14 I MAINTENANCE Because of its superb build quality the MD 10 requires little maintenance Should the unit become excessivly dirty clean the lens assembly with a camera lens brush made of a soft material like camel hair The acrylic top and dust cover should be cleaned with the polishing t provided Read the directions on the containers for best polishing results REMOTE CONTROL BATTERY INSTALLATION AND REMOVAL The batteries in
8. ce 2 Connect the free end of the fibre optic cable to the termination labeled TimeSync Ext clock on the back of your Krell digital to analog converter NOLLVTIVLSNI 3 Connect your digital interlink between the transport and digital to analog converter if not already connected 4 Select a digital source and press the TimeSync button on the front of your CELATO analog converter The corresponding led will illuminate indicating the TimeSync is locked Should the TimeSync LED flash this means the TimeSync clock has not locked and re resetting Select any other digital input on the igital to analog converter and then reselect the input you wish to use The oo LED will now be steady and the clock will be locked OPERATION OF THE CD TRANSPORT 1 Turn the CD transport ON by pressing the Power button The display will illuminate Select a disc and it on the spindle label side up Put the disc stabi izer on the center of the CD so it fits securely on the drive spindle CAUTIONS Never operate the CD transport without the disc stabilizer This can result in damage to the transport or your valuable compact discs b Never place the disc stabilizer where the cover may accidentally close on it and damage the cover c Do not use any disc stabilizing tool besides the Krell CD Stabilizer This device has been specially machined to precisely match the CD transport Failure to heed this warning may cau
9. ce is required we recommend using an AT amp T fibre optic data link or an AES EBU balanced data link as they are more suited to long distance runs ae 5 Once you have found a location for the unit adjust the Sse adjustable towers to make the MD 10s surface level A bubble level is conveniently mounted in the black acrylic to allowing for easy level adjustment Adjust each of the four suspension towers until the bubble in the level is centered Counter clockwise rotation raises the towers and clockwise rota tion lowers the towers NOTE The adjustable suspension towers are only for fine adjustment and can not compensate for gross surface irregularities 6 Connect the AC power cord to the back of the unit the power cord is secured plug the cord into an AC outlet 7 Press the POWER button on the front panel The dis play will illuminate and the transport will now be active NOTE While the MD 10 has superb regulation and does not require a dedicated AC circuit we strongly advise against any connections through extension cords or mul tiple AC adaptors High quality 15 amp grounded AC strips are acceptable 8 Connect the Digital Output from the MD 10 to a Krell Digital Processor or other compatible digital to analog audio processor The MD 10 is with industry standard Fibre Optic Coaxial RCA AT amp T wide bandwidth Fibre Optic ST type and AES EBU XLR output connectors NOTE Care should be taken in s
10. ded discs Stores selected tracks in memory Starts play from the beginning once disc has finishe 2 The MD 10 remote control has a 10 digit keypad The int allows for direct access to specific tracks Punch e track number you want and press Play the track you selected will begin playing The direct access keypad is convenient for track and FTS programming 11 Hee ALONA eee H TRACK PROGRAMMING The remote control or the front panel of the MD 10 can be used to program specific tracks on a disc to be played in the order you choose The MD 10 can store up to 20 selections per program 1 Select the track number which will start the sequence into the keypad then push the PROGRAM or PROGR button A P will appear next to the track number 2 Enter the rest of the track selections in your program in the same manner remembering to push the program button after each track selected 3 Once you have finished your programming push the PROGRAM or PROGR button again ending the program sequence The machine will then review the tracks you have selected 4 Press the PLAY button and the program will begin While the program is running you can Pause Search and select tracks within the program You can start a track playing from the beginning by pressing the Play button ress STOP only to defeat or erase the program func tion 5 Press the REPEAT button and the machine will play your selected t
11. electing the type of cable used to link the MD 10 to your processor We recommend both the AT amp T Fibre Optic due to its supe rior bandwidth and signal isolation properties and the AES EBU format due to its higher voltage transmission and noise rejection due to balanced format CAUTION The MD 10 is a CD Transport only It is not designed to connect directly to any preamp or analog signal processor The MD 10 is equipped with a special termination a tem called TimeSync TimeSync is a system that locks the clock between the MD 10 and specific Krell digital to analog processors This connection is labeled SPECIAL on the back of the MD 10 The termination is via an AT amp T fibre optic cable only and is used in con junction with any of the other digital links like the AT amp T or AES EBU NOTE The TimeSync system can only be utilized with certain Krell digital to analog converters and will not work with any other make or model Please consult your dealer or the Krell staff for specific information NOTE The TimeSync output can not be used as an addi tional digital output TIMES YNC CONNECTION The TimeSync system is terminated via an AT amp T ST fibre optic cable 1 Connect the AT amp T fibre optic cable to the termination labeled SPECIAL on the MD 10 Make sure the small key at the top of the fibre optic cable is upright and fits smoothly into the AT amp T receptacle twist the collar clockwise to lock the cable in pla
12. nside the MD 10 The MD 10 has a limited warranty of three years parts and labor on transport related parts five years parts and labor on electronic parts Return freight is included in the warranty The warranty peros begins on the date of urchase and is activated with the return of the enclosed arranty Card and a copy of the Sales receipt Please return the warranty card immediately after successful installation and operation are completed The warranty for Krell products is valid only in the coun try to which they were originally shipped and at the factory If you think there are problems with your unit please contact your dealer distributor or the factory immediately The operating voltage of this unit is determined by the factory and can only be ae by an authorize KRELL distributer or the KRELL factory Any unautho rized voltage conversion will void the warranty Should the operating voltage of your MD 10 require changing contact KRELL Industries Please do not return any unit to KRELL for repair with out first calling to discuss the problem and to obtain a Return Authorization number Freight to the factory or distributor is your responsibility Return freight to you will be paid by the factory or distributor Any unautho rized ipa on updates or modifications performed to the unit will void the warranty 19 ee OAAS mw r 0 I RELL K Z DIGITAL INC N Sa oO KR
13. r other damp ing feet with the MD 10 A Due to the extraordinary rigidity of our machining and internal damping we do not feel that the MD 10 requires additional mass coupling or isolation If you wish to use an after market isolation device you may do so without fear of MD 10 Any device which affixes permanently to the chassis or requires a breach of the external chassis will void the warranty NOTE Before any type of after market device is to be utilized in conjunction with the MD 10 please consult your dealer or the Krell staff for assistance Q Can I use more than one digital output at the same time A Yes The MD 10 can drive up to four different digital to analog converters Q Will the MD 10 play CD singles A Yes the MD 10 will play CD singles 17 maw SUMHASNV ANV SNOLIST1O mw K SPECIFICATIONS TRANSPORT Modified Philips CDM 4 PRO with Hall effect motor swing arm design LASER Single Beam with glass lens OUTPUT only in industry standard SPDIF format 1 FIBRE OPTIC via standard interface COAXIAL via RCA connector 1 AT amp T via ST connector 1 AES EBU via XLR connector 1 SPECIAL Optional TimeSync via ST connector REMOTE CONTROL Wireless infrared DIMENSIONS 19 0 wide 12 5 deep 6 0 high cover closed 15 0 high with cover open WEIGHT 20 pounds unit only 34 pounds in box 18 L WARRANTY AND SERVICE INFORMATION There are no user serviceable parts i
14. racks over again in the same order they were programmed 6 To cancel your program push the STOP button FTS MEMORY FTS or Favorite Track Selection is a feature that enables you to store desired tracks on a CD in a specific order into the memory of the MD 10 Once you have pro grammed a disc with FTS the machine will give that specific CD a reference number The machine remembers this information and will play the tracks you have se lected for that CD with a simple command The machine can also play the entire disc should you choose 12 FTS PROGRAMMING To program tracks in the FTS memory NOTE Before you begin disc to be programmed on the unit and press PLAY Once the unit reads the table of contents and displays the disc s playing time press STOP You can now begin programming the FT memory 1 Program the selections in the standard form described above 2 After you have programmed the tracks press the FTS button on the front panel or on the remote control The FTS indicator in the display will flash 3 While the indicator is press the PROGRAM button The machine will then display a number on the screen briefly This is the FTS designation number When this number appears the FTS programming is complete NOTE You may want to label the disc you programmed with the FTS designation number so it can easily be erased or changed in the future 4 You can now start playing your FTS programmed disc T
15. se damage to the laser transport 2 The functions of the front panel buttons that control the transport are described below POWER Turns unit ON or OFF STOP Stops the disc from playing PLAY Starts the disc playing at track 1 will also restart play of the current track PAUSE Temporarily stops play of current track TRACK lt Reverse track select TRACK gt l Forward track select INDEX lt Reverse index select INDEX gt l Forward index select SEARCH lt Fast reverse search SEARCH gt l Fast forward search FTS Programs FTS memory will also play FTS encoded discs PROGRAM Stores selected tracks in memory REPEAT Starts play from the beginning once disc has finished 9 ee NOL Tid w sw wasa 3 Select a track on the CD to play with the remote con trol or via the front panel and press the Play button The music will now begin 10 G REMOTE CONTROL 1 The operating functions of the Remote Control are described below POWER STOP PLAY PAUSE TRACK k TRACK gt l INDEX I lt INDEX gt l SEARCH I lt SEARCH gt l FTS PROGRAM RPT Turns unit ON or OFF Stops the disc from playing Starts the disc playing at track 1 will also restart play of the current track Temporarily stops play of current track Reverse track select Forward track select Reverse index select Forward index select Fast reverse search Fast forward search Programs FTS memory will also play FTS enco
16. tective sleeve and locate the three cover pins 4 Place the cover over the unit and insert the cover into the hinge block assemblies with the cover in the fully upright position Make sure all three pins are in there proper receptacles Refer to location diagram on page 5 5 Lock the cover into the hinge blocks by pushing the pins into them until they are fully seated 6 Gently pull the cover forward and let it go allowing the cover to slowly descend CAUTION Do not push the dust cover down Its damp ing system allows a slow descent and can be damaged if force is applied 7 Remove the protective sleeve 1 Dust cover 2 Hinge block 3 Adjustable suspension tower 4 Transport 5 Hinge pin 6 Cover pin 7 Bubble level 10 LOCATION DIAGRAM E BASIC INSTALLATION AND CONNECTIONS 1 Place the unit on a clean level surface away from excessive heat moisture or light Ideally the MD 10 should be placed on the top of an audio component cabi net or other open air rigid platform 2 The MD 10 may be placed in a cabinet It will require 17 0 inches of vertical clearance between the bottom and top shelves for proper operation of the cover 3 If space is limited the MD 10 can be operated without its dust cover Six inches vertical clearance is adequate to allow convenient access to the disc transport area 4 The location of the unit should be within 2 meters of the digital signal proeessor If a distan
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