AKG CD Player with HDCD Decoding HD 755
Contents
1. switched outlet it is important to remember that the host product must be turned on in order for the HD 755 to operate INSTALLATION 9 Installation To prevent possible damage to your speakers and other components in your audio system it is important that ALL components including the HD 755 and your receiver or preamp and ampli fiers are turned off and unplugged from their AC power source when installing any new compo nent Connecting the HD 755 to your audio system is simple Using standard RCA to RCA interconnect cords connect the left and right Audio Output jacks on the rear panel to the CD input jacks on your receiver surround processor or preampli fier If your system includes an optional external digital to analog converter or if you are using a receiver or other processor that has the capabili ty to decode PCM digital input signals connect the Digital Output jack to the Coaxial Digital input on the decoder Make certain to use a coaxial style interconnect cable as standard audio cables will not perform as well Install two AA batteries by turning the remote over so that you are holding the bottom side up Press lightly on the embossed arrow on the cover and gently slide the cover towards you in the direction of the arrow Insert the batteries inside the compartment being careful to follow the and polarity indications at the bottom of the compartment Replace the cover by placing it on the rem2. Place a disc in the tray following the instructions shown above Operation Loading and Unloading Discs To load a disc first turn the unit on if not so already by pressing the Power Switch Jj on the front panel or the Power On button on the remote then press the Open Close button A taking care to make certain that the space in front of the drawer is not obstructed Note that if the drawer is blocked when attempting to open it it will automatically stop the motor for opening the tray after 10 seconds and an ERROR message will appear in the front display to protect the mechanism When the unit is turned off to Standby pressing any button on the front panel will turn the unit on When Play button E on the front or on the remote is pressed the unit will automatically turn on and start playing the disc actually loaded Load the disc in the tray with the printed label side facing up Make certain that the disc is cen tered in the tray Either 12cm 5 or 8cm 3 discs may be used When an 8cm disc is played it should be carefully centered within the smaller ridges inside the cassette drawer Labeled Surface To retract the drawer back into the player after loading a disc press the Open Close button E AX When the drawer is closed the display will indicate the total number of tracks on the disc and the total running time of the disc The drawer will also close when the Play button is pressed The draw
3. pause the play of a disc press the Pause button Z Note that a Pause indication will appear in the display to remind you that the disc is paused Press either the Play Pause button EJ D or the Pause button to resume normal play To stop the disc press the Stop Clear button EJ GD When the Stop button is pressed the display again will show the total number of tracks and total running time of the disc To remove a disc from the player press the Open Close button F4 To prevent dirt and dust trom entering the unit do not leave the disc tray open To place the unit in a Standby mode press the Power Switch J on the front panel or the Power Off button on the remote The display will show a STANDBY message for a moment and the Status Mode Indicator PJ will glow orange indicating that the unit is off but ready to accept a Power On command from the remote If the disc drawer is open it will automatically close when the unit is placed in the Standby mode This ensures that the unit will not be harmed trom dust dirt or inadvertent damage to the drawer mechanism Intro Search This feature lets you locate a track by playing the first 10 seconds of each track up from the track playing or selected actually When the Intro button J on the front panel is pressed the unit will play only 10 seconds of each track and then automatically move to the next track When you have reached a track that you wish to listen to in its
4. CDs Full compatibility with CD R and CD RW format to play finalized recordable and erasable discs without problems CLASS 1 LASER PRODUCT _CAUTION _ RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL The lightning flash with arrowhead The exclamation point within an equilateral triangle is intended to alert the user to the presence of important Operating and maintenance servicing instructions in the literature accompanying the appliance symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk High Definition Compatible Digital and Pacific Microsonics are either registered trademarks or trademarks of Pacific Microsonics inc in the United States and or ot electric Shock 10 persons WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO other countries HDCD System manufactured under RAIN OR MOISTURE INTRODUCTION 3 license from Pacific Microsonics Inc Unpacking The carton and shipping materials used to pro tect your new HD 755 during shipment were specially designed to cushion it from shock and vibration We suggest that you save the carton and packing
5. HD 755 CD Player OWNER S MANUAL harman kardon HD755 0 ee 9 Phones Level harman kardon Power for the Digital Revolution Table of Contents Typographic Conventions Introduction Information Unpacking Front Panel Controls Rear Panel Connections Remote Control Functions Installation Operation Loading and Unloading Discs Normal Play HDCD Discs Play Headphone Listening Display Dim Time Display Search Skip Intro Search 13 Programmed Play Operation 13 Programmed Play 13 Checking Program Contents 13 Clearing Programs 14 Repeat Play 15 Troubleshooting Guide 16 Technical Specifications Declaration of Conformity C We Harman Consumer International 2 route de Tours 72500 Ch teau du Loir FRANCE declare in own responsibility that the product described in this owner s manual is in compliance with technical standards EN 60065 1993 EN 55013 A12 8 1994 EN 55022 5 1995 EN 55020 12 1994 EN 61000 3 2 4 1995 EN 61000 3 3 1 1995 ha Carsten Olesen Harman Kardon Europe 01 04 Typographic Conventions In order to help you use this manual with the remote control front panel controls and rear panel connections certain conventions have been used EXAMPLE bold type indicates a specific remote con
6. Sigma Oversampling 8 Times Digital Filter Discrete Analog Output Section Error Correction CIRC System Frequency Response 20 Hz 20 kHz 0 1dB Total Harmonic Distortion THD lt 0 006 1kHz Dynamic Range 96 dB Signal to Noise Ratio 98 dBA Channel Separation 90 dB Line Output Level 1 0 V 2 0 V with HDCD General Power Requirement 230V 50 Hz Power Consumption lt 10 Watts On Dimensions Height 110mm 5 1 Width 440mm 17 3 Depth 325mm 15 2 Weight 4 4 kg Depth measurement includes knobs buttons and connection jacks Height measurement includes feet and chassis All features and specifications are subject to change without notice Harman Kardon is a registered trademark and Power for the digital revolution is a trademark of Harman Kardon Inc HocD High Definition Compatible Digital and Pacific Microsonics are either registered trademarks or trademarks of Pacific Microsonics inc in the United States and or other countries HDCD System manufactured under license trom Pacific Microsonics Inc h a r m a n ka rd 0 n H A Harman International Company 250 Crossways Park Drive Woodbury New York 11797 www harmankardon com Harman Consumer International 2 route de Tours 72500 Chateau du Loir France 2004 Harman Kardon Incorporated Part 5100 755000 000
7. a disc in a particular order See page 13 for complete instructions on programming the HD 755 KJ Intro Button Press this button to put the HD 755 in the Intro Scan mode When you press the button the unit will play the first 10 seconds of each track on the disc and then move to the next track Press the button again to defeat the function and continue full play of the current track See page 12 for more information Hi Random Button Press this button to have all of the tracks played in a random order See page 10 for more information fil Repeat Button Press this button once to repeat only the track currently being played Press it again to continually repeat all tracks on a disc See page 14 for more information Front Panel Controls id Ei harman kardon 4755 HocbD Power Phones Phones Level 412 EJ Power Switch FJ Status Mode Indicator EJ Remote Sensor Window EJ Play Pause Button E Stop al Search Buttons Power Switch Press this switch to apply power to the HD 755 Then the Status Mode Indicator light PJ surrounding the switch will turn blue Note that the unit may also be turned on by pressing any other button on the front panel or remote control Press the Power Switch FJ Status Mode Indicator When the HD 755 is in the ON mode this indicator will glow blue When the unit has been placed in the Standby mode by pressing the Power Swit
8. button EJ and start the procedure again with Program EJ IMPORTANT NOTE Tracks programmed as described above in chapter Programmed Play can be played repeatedly too When you press Repeat fk once after a program is created the PROGRAM indicator must be lit otherwise press Program and the program step indication P O lis not lit otherwise press Stop once the REPEAT 1 indicator will light and the track currently selected or playing will be repeated continuously If Repeat is pressed twice REPEAT ALL will be displayed all programmed tracks will be played subsequently and the sequence will be repeated continuously until the Stop button is pressed PROGRAMMED PLAY OPERATION 13 Once a program list has been entered press the Play button Pf to begin listening to the sequence After the entire program has been played the HD 755 will stop As long as the Stop button EJ p has not been pressed twice and the PROGRAM indicator remains lit you may repeat the programmed play sequence again by pressing the Play button 0 A program can be edited even after it was com pleted by pressing the Stop button Ej once Each time you press the Program button EJ the track number and program step number will be displayed in the programmed order but with steady tracks numbers not blink ing in contrast to the programming mode As soon as the track number starts blinking the appropriate program step number shown at t
9. ch jj on the front or the Off button on the remote the display will read STANDBY for a moment then the indicator will glow orange indicating that the unit is still connected to the AC main supply and is ready to be turned on EJ Remote Sensor Window The sensor behind this window receives commands from the remote control Keep this area clear if you wish to use the HD 755 with a remote control EJ Play Pause Button Press this button to start the playback of a CD If the CD drawer is open pressing this button will automatically close the drawer When a disc is playing press this button once to momentarily stop a disc When the button is pressed again the disc will resume play at the point it was stopped EJ Stop Button Press this button to stop the disc currently being played During programming functions this button is also used to exit the program mode see page 13 AC INPUT AC 230V 50Hz 20W MODEL NO HD755 HARMAN KARDON NORTHRIDGE CALIFORNIA U S A MADE IN CHINA 4 o O O AC Power Cord Remote Control Output Connect this jack to the input of another compatible Harman Kardon remote controlled device to have the remote sensor on the HD 755 provide signals to other products AC Power Cord Connect this plug to an AC outlet If the outlet is switch controlled make c
10. d headphones to this jack for private listen ing IZ Open Close Press this button to open or close the disc drawer The drawer may also be closed by pressing the Play button EJ or by gently pressing the edge of the drawer However we do not recommend pushing the drawer as damage to the transport mechanism may result IH Information Display This display provides details about the operation of the HD 755 3 HDCD Indicator This LED will light auto matically when a CD with HDCD encoding is playing No further action is needed to enjoy the benefits of HDCD see page 10 Important Note When the unit is turned off to Standby pressing any button on the front panel will turn the unit on When Play EJ on the front or on the remote is pressed the unit will automatically turn on and start playing the disc actually loaded FRONT PANEL CONTROLS 5 Skip Buttons EJ Program Button EJ intro Button EA Random Button Gil Repeat Button fA Headphones Level J Search Buttons Press one of these buttons to search forward B gt B gt or backwards lt lt through a disc to locate a particular portion of the selection Holding the buttons pressed will increase the search speed after 3 seconds see page 12 Skip Buttons Press one of these buttons to move to the next track Bpl or to move back to the same or previous track ma e see page 12 EJ Program Button This button is used to program the playback of
11. e it with a clean soft dry cloth If necessary wipe it with a soft cloth dampened with mild soapy water then a fresh cloth with clean water Wipe dry im mediately with a dry cloth NEVER use benzene thinner alcohol or any other volatile cleaning agent Do not use abrasive cleaners as they may damage the finish of metal parts Avoid spraying insecticide near the unit Moving The Unit Before moving the unit be certain to disconnect any interconnection cords with other compo nents and make certain that you disconnect the unit trom the AC outlet Information Important Safety Information Verify Line Voltage Before Use Your HD 755 has been designed for use with 230 volt AC current Connection to a line voltage other than that for which it is intended can create a safety and fire hazard and may damage the unit If you have any questions about the voltage requirements for your specific model or about the line voltage in your area contact your selling dealer before plugging the unit into a wall outlet Do Not Use Extension Cords We do not recommend that extension cords be used with this product As with all electrical devices do not run power cords under rugs or carpets or place heavy objects on them Damaged power cords should be replaced immediately by an authorized service depot with cords meeting factory specifications Handle The AC Power Cord Gently When disconnecting the power cord from an AC outlet always pu
12. entirety press the Intro button again to resume normal operation When the Intro feature is activated the INTRO indicator will illuminate in the Information Display fj to remind you that Intro Search is in use Skip To move from one track on the disc to another during play mode press one of the Skip buttons Pressing the Forward Skip button p gt P will move you forwards through the disc one track at a time while pressing the Reverse Skip button Ha once will move you back to the start of the actual track as long as lt 1 second of the track has elapsed and pressing it multiple times will move you back one track at a time Holding any Skip button pressed will fastly scan through all tracks on the disc The Skip buttons may be used when the HD 755 is either playing or stopped If the unit is stopped the Skip buttons may be used to locate the first track to be played The Play button EJ C must be pressed to begin play If the Skip buttons are used while the unit is already play ing as described above the audio output will stop while the new track is located and play will automatically resume after the Skip button is released If the Skip buttons are pressed when program play is in use see page 13 the unit will move from one programmed track to another Operation Search If you wish to quickly scan through a disc to locate a particular passage or program press the Search buttons J The Forward Search b
13. er will close and the disc will start playing the first track 10 OPERATION Headphone Listening You may listen to the output of the HD 755 through headphones by plugging a set of stan dard headphones with a 6 3 mm headphone plug into the front panel Headphones Jack fe The volume of the headphone output may be adjusted with the Headphones Level knob IA Note that changing the headphone level will not change the volume for the main audio output This is a fixed output and it is changed using the volume control on your receiver preamplifier or surround processor Display Dim In some situations it may be desirable to reduce the brightness of the display or to turn it off completely To do this press the Display button on the remote once to dim the display to half brightness Press it again to turn the display off A third press will return the display to normal level Time Display The HD 755 s time display is capable of showing a wide range of information about a CD In normal operation the display will show the total running time of a CD after the disc is first put in the unit When the disc is played the display will show the running time of a track in play Each time the track changes the time display will reset to L O L C and begin to increase again as the new track plays To view the time remaining on an individual track press the Time button 9 on the remote once The display will now show the time left in t
14. ertain that the switch is in the ON position RISK OF ELECTRIC SHOCK DO NOT OPEN SHOCK HAZARD DO NOT OPEN AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR SERIAL NO HDCD and High Definition Compatible Digital are registered trademarks of Pacific Microsonics Inc Remote Control Input Remote Control Output 6 Remote Control Input Connect the output of a remote infrared sensor or the remote control output of another compati ble Harman Kardon product This will enable the remote control system to operate even when the front panel Remote Sensor fk is blocked It will also allow use of the HD 755 with optional external control systems WARNING To REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE CLASS 1 LASER PRODUCT Rear Panel Connections O DIGITAL OUTPUT OCD LU Digital Output Audio Outputs Digital Output Connect this jack to the coaxial digital input of an external digital to analog converter for direct access to the digital signals of the HD 755 DO NOT connect this jack to the standard audio inputs of any device Audio Outputs Connect these jacks to the CD audio inputs of your receiver surround processor or preamplifier 6 REAR PANEL CONNECTIONS Remote Control Functions D Power Off Power On 6 Numeric Controls Program Button Clear Button Repeat Button Repeat A gt B B
15. he right side is not programmed yet now you can change the track number with the Skip buttons or the Numeric buttons as described above and add it to the program list by pressing the Program button EJ Pressing the Stop button Eq p twice will return to normal mode and the PROGRAM indicator will go out but the program will stay in memory and can be recalled easily by pressing the Program button But pressing the Clear button see below or opening the disc drawer by pressing Open Close FAQS will erase the program information from the unit s memory Checking Program Contents To check the contents of a program while the unit is stopped at first note that the PROGRAM indicator is lit otherwise press Program and the program step indication P O 1 just below the PROGRAM indicator is not lit otherwise press Stop once Each time the Check button B is pressed now the Information Display will step through each of the programmed tracks Programmed Play Operation The HD 755 s advanced programming capability enables you to select certain tracks to preset the order in which these tracks play and to clear specific programmed tracks after the program was made Programmed Play Programmed play allows you to program up to 32 tracks into the HD 755 s memory To begin programming the HD 755 press the Program button EJ The PROGRAM indicator will light in the Information Display f the number D L will blink below
16. he track in play and a will light in front of the time display as a reminder of the 0 status To view the total time remaining to play on the disc press the Time button again a number greater than the formerly shown track remaining time except the last track of the disc is played will appear in the display again with a in front When the Time button is pressed again the display will return to show the running time of the track in play Note When a program is played see page 13 all time modes are selectable too except the total time remaining on the disc OPERATION 11 Note that the unit is not removed from AC main power when it is in the Standby mode but its power consumption is reduced to a low value To remove the AC power completely trom the unit its Power Cord must be plugged into a switch controlled AC outlet that is turned off We recommend to use the switched AC outlet on the rear side of a receiver or amplifier When that AC outlet will be turned on the HD 755 will always turn to the Standby mode even if it was on before the AC power was removed H5CD HDCD Discs Play HDCD which stands for High Definition Compatible Digital is a sophisticated process that enables the HD 755 to deliver outstanding digital to analog decoding no matter what type of CD is played When a disc with the HDCD logo is played the HD 755 is able to take advantage of the special recording process that is
17. ll the plug never pull the cord If you do not intend to use the unit for any considerable length of time disconnect the plug from the AC outlet Do Not Open The Cabinet There are no user serviceable components inside this product Opening the cabinet may present a shock hazard and any modification to the prod uct will void your guarantee If water or any metal object such as a paper clip wire or a staple accidentally falls inside the unit discon nect it from the AC power source immediately and consult an authorized service station CAUTION The HD 755 uses a laser system To prevent direct exposure to the laser beam do not open the cabinet enclosure or defeat any of the safety mechanisms provided for your protec tion DO NOT STARE INTO THE LASER BEAM To ensure proper use of this product please read this owner s manual carefully and retain it for future use Should the unit require maintenance or repair please contact your local Harman Kardon service station Refer servicing to qualified personnel only 4 INFORMATION IE Headphones Jack EZ Open Close I Information Display A HDCD Indicator IA Headphones Level Turn this knob to increase or decrease the volume level for head phones connected to the HD 556 Headphones Jack E Note that changing this level will not change the sound level for the unit s main output as that remains constant k Headphones Jack Connect a set of stan dar
18. materials for use in shipping if you move or should the unit ever need repair To minimize the size of the carton in storage you may wish to flatten it This is done by care fully slitting the tape seams on the bottom and collapsing the carton down to a more two dimensional appearance Other cardboard inserts may be stored in the same manner Packing materials that cannot be collapsed should be saved along with the carton in a plastic bag If you do not wish to save the packaging materials please note that the carton and other sections of the shipping protection are recyclable Please respect the environment and discard those materials at a local recycling center Installation Location m To assure proper operation and to avoid the potential for safety hazards place the unit on a firm and level surface When placing the unit on a shelf be certain that the shelf and any mounting hardware can support the weight of the product m Make certain that proper space is provided both above and below the unit for ventilation If this product will be installed in a cabinet or other enclosed area make certain that there is sufficient air movement within the cabinet m Do not place the unit directly on a carpeted surface Avoid installation in extremely hot or cold locations or an area that is exposed to direct sunlight or heating equipment Avoid moist or humid locations Cleaning When the unit gets dirty wip
19. n At that point press the Repeat A B button The REPEAT indicators will light in the Information Display and an A indica tor to show that the program process has started Let the disc continue to play or press the Search gt gt button A or Skip gt gt button FA on the front or remote until you have reached the end of the section to be repeated When the end point is reached press the Repeat A B button again Note that the REPEAT and A B indicators will now be illuminated Repeat Play Operation Repeat Play The HD 755 s programming system enables you to repeat either a single track the entire disc respectively all programmed tracks or a specially programmed passage that you select Repeat One Track To repeat the track in play press the Repeat button 1 once When the unit is in Stop mode press Repeat once select the track to be repeated with the Skip or Numeric buttons as described on page 10 and press Play EJ The REPEAT and 1 indicators will light and the track will continue to play over and over again continuously If the track is changed by pressing the Skip buttons FA while the Repeat func tion is in use the newly selected track will be repeated To stop the repeat play press the Stop button Eq p or press the Repeat but ton fel until the REPEAT indicator goes out 14 REPEAT PLAY OPERATION SOLUTION e Make certain AC power cord is plugged into a live outlet e Turn on Power S
20. o the beginning of the selected passage and continue to play the section over and over To resume normal play press the Repeat A B button 4 again The REPEAT and A B indica tors will go out and the rest of the disc will play normally IMPORTANT Note Tracks programmed as described before in chapter Programmed Play can be repeated too When you press Repeat Gil once after a program is created the PROGRAM indicator must be lit otherwise press Program and the program step indication P O dis not lit otherwise press Stop once the REPEAT 1 indicator will light and the track currently selected or playing will be repeated continuously If Repeat is pressed twice REPEAT ALL will be displayed all programmed tracks will be played subsequently and the sequence will be repeated continuously until Stop is pressed Repeat All Tracks To repeat all of the tracks on a disc press the Repeat button O until the REPEAT and ALL indicators light up When you see these indi cators the entire disc or all programmed tracks will play through to the end and then start again from the beginning The disc will play continually until the Stop button Eq is pressed Repeat A B The HD 755 may be programmed to repeat any section within a track or a complete passage or program that includes material in a series of tracks To program the unit for A B play first locate the point on the disc where you wish to begin the repeated sectio
21. ote and sliding it back towards the top of the remote Pressing the Open Close button once a disc has been carefully seated will close the disc drawer while the message GLOSING will appear in the information display As soon as the tray is closed the display will show the message TRACKING while the table of content TOC of the disc is read Note that particulary with CD RW discs this tracking may take some time due to the reflectibility and data structure different from normal discs Afterwards the Information Display will show the total number of tracks on a disc and the total running time of the disc TRACK MIN SEC Ie 08 The drawer will also close when the Play button is pressed The drawer will close and the disc will start playing the first track To play all of the tracks on the disc in order press the Play button f D A play indication B will appear in the Information Display Bj To play all of the tracks in random order press the Random button 6 then the Play button EJ D The RANDOM indicator will light when that mode is in use Random can be acti vated also while a track is playing When Random is activated while programmed play is in use see page 13 all programmed tracks will be played in random order You may also select a specific track by pressing the Skip buttons FA until the wished track number is displayed see page 12 The track may also be selected directly by entering the
22. splay lights off completely Another press will return the display to normal brightness Clear Button Press this button to remove selected or all tracks from the programmed sequence See page 13 for complete information on programming the HD 755 Repeat Button Press this button once to repeat only the track that is currently being played and note that the REPEAT and ONE indi cators will light in the Information Display Press the button a second time so that the REPEAT and ALL indicators are illuminated to repeat all tracks on the disc See page 14 for more information on Repeat Play Repeat A gt B Button Press this button to repeat a segment of the disc Press the button once to mark the start of the portion to be repeat ed Press it again at the end of the desired sequence The marked passage will play continu ously until the Stop button p is pressed See page 14 for more information on Repeat Play Skip Buttons Press one of these buttons to move to the next track BB or to move back to the previous track Haf See page 12 Search Buttons Press one of these but tons to search forward or backwards lt q through a disc to locate a particular por tion of the selection being played Holding the buttons pressed for some seconds will increase the search speed see page 12 Play Button Press this button to start the playback of a CD If the CD drawer is open pressing this button will au
23. the Track indicator showing the track number selected and 01 will appear in the Information Display replacing the track time This indicates that you are about to program the first track You may now begin to enter the tracks in the order in which you wish to have them play To select a track on the disc press the Numeric buttons corresponding to the desired track be certain to enter the second number of two digit numbers within two seconds after the first number was entered You may also use the Skip buttons FA to select a track When the track is selected press the Program button EJ Note that the program step indication on the right side of the Information Display will change to P Oe You may now select another track for the next program step following the instruction shown above When the track is selected press the Program button EJ again Repeat this procedure for each program step until you have completed the desired programming Press the Stop button Eq p once to complete a pro gram sequence or press Play EJ to begin immediate play of a program sequence If the maximum of 32 program steps is reached the program step indication at the right side of the Information Display will go out and the disc and track that have been programmed as the first program step will be shown Once the Repeat A B button is pressed for the second time to complete the program ming the HD 755 will automatically go t
24. tomatically close the drawer D Stop Press this button to stop the disc currently being played or to escape from the program mode see page 13 for complete infor mation Remote Control Functions Power Off Press this button to put the unit in the Standby mode Power On Press this button to turn on the HD 755 Note that in order for the Power On button to operate AC power must be applied to the unit and the Status Mode Indicator PJ should glow orange See page 11 for more infor mation The unit will also turn on when any other button on the front panel or emote control is pressed Numeric Controls Press these buttons to select a specific track on a disc The unit will immediately search for the track and begin to play it For tracks 1 through 9 on a disc you need only press the desired number For tracks 10 and above the second digit of the number must be entered within two seconds of the first digit See page 10 for more information These buttons are also used to enter track numbers into the memory for pre programmed play lists See page 13 for complete information on programming the HD 755 Program Button Press this button to begin the process of programming the HD 755 to play the tracks on a disc in a specific order Once the button is pressed enter each of the desired track numbers in quick succession using the Numeric Controls When you have entered the tracks to be played press the Play bu
25. track number via the Numeric Controls simply enter the track number by pressing the buttons that correspond to the desired track Note that when a two digit track number is being entered the second digit of the number must be pressed within two seconds of the first digit After the track is selected press the Play button EJ To remove a disc from the player press the Open Close button X The drawer will open allowing the disc to be removed Disc Handling Notes When loading or unloading discs it is best to hold them by the edges While Compact Discs are very reliable rough handling may damage them Avoid scratching the bottom non printed side of discs or any handling which will leave fingerprints To avoid damage to the disc and player always seat discs so that they are centered in the tray Do not lift the player while the disc tray is opening or closing as this may cause the disc to unseat from the tray and possibly jam Normal Play To play a disc first turn the HD 755 on using the Power Switch Jj on the front panel or the Power On button on the remote control When the unit is turned off to Standby press ing any button on the front panel will turn the unit on When Play button Pf D on the front or on the remote is pressed the unit will automatically turn on and start playing the disc actually loaded To load or change a disc open the disc drawer by pressing the Open Close button M
26. trol or front panel button or rear panel connection jack EXAMPLE bold type indicates a message in the front panel information display EI number in a square indicates a specific front panel control number in an oval indicates a button or indicator on the remote number in a circle indicates a rear panel connection 2 TABLE OF CONTENS Introduction Thank you for choosing Harman Kardon Description and Features HD 755 CD player Digital Output for Direct Connection to The HD 755 is an exceptionally well engineered Outboard Digital to Analog Converters product that offers high performance and ease of use W Sophisticated Programming Features to Automatically Play Tracks in Preprogrammed We ask that you take a few minutes to read or Random Order through this Owner s Manual to familiarize your self with the controls and functions This brief Intro Search to Automatically Scan a Brief investment of time will yield dividends in the Portion of Each Track to Quickly Locate Your form of years of listening pleasure Favorite Selections If you have any questions about this product its E Decoding Provides Superior installation or operation please contact your Reproduction of All CDs Whether HDCD dealer as they are your best source of local Encoded or Not When HDCD Encoded Discs information Are Played Special Circuitry Reveals Detail and Fidelity Not Possible in Ordinary
27. tton 40 to begin the programmed sequence See page 13 for complete information on programming the HD 755 8 REMOTE CONTROL FUNCTIONS NOTE When replacing batteries always replace both at the same time When the unit will not be used for an extended period of time it is also a good idea to remove the batteries so that the potential for corrosion or damage is avoided If the HD 755 is installed behind a cabinet or other obstruction that may block the path between the front panel Remote Sensor kk and the location of the remote an optional external IR sensor may be used Connect the sensor to the Remote IR In Jack on the rear panel This jack may also be connected to the IR Output jack of another compatible Harman Kardon component or a compatible IR system remote product You may also use the IR Sensor in the HD 755 to send commands to other compatible remote controlled products Connect the Remote IR Out jack to the input of the other product or system Connect the power to a nonswitched AC wall outlet or to the accessory outlet on the rear of another audio device in your system and you are ready to go NOTE When using the accessory outlet on another product to power the HD 755 make cer tain that it has the compatibility to power a device that draws at least 14 watts of current in addition to being able to handle the require ments of the other devices that may be plugged into the accessory outlets If you use a
28. used in the creation of HDCD discs Although HDCD discs are playable on any CD player when they are played on a unit such as the HD 755 the special circuitry delivers audio with extraordinary fidelity stun ning resolution and the highest possible overall quality The HDCD process effectively cancels the additive distortions caused by artifacts of the A D and D A conversion processes and simul tanously provides additional data to reduce the subtractive distortions resulting from insufficient data present in the 44 1 kHz 16 bit PCM sam pling standard of the compact disc format No special adjustment is required to play an HDCD disc Simply play the disc as you would any other CD and the HD 755 will automatically sense that it is an HDCD recording The HDCD Indicator j 3 will illuminate on the front panel to remind you that an HDCD disc is playing It is important to note that the HDCD process is completely compatible with standard recordings Its high quality digital filter and digital to analog circuitry provides enhanced playback even from all standard CD audio discs Operation While the disc is playing the track being played will show as a number in the middle of the dis play just below the word TRACK The elapsed time of the track being played will also appear in the display see figure page 10 As a disc plays the track numbers will change and the time will reset to 7 0 0 at the start of each new track To momentarily
29. utton Skip Buttons Search Buttons 60 Button Stop Button Pause Button Random Button Time Button Check Button Open Close Button Display Button POWER OFF 66 898 6696 Q HD 755 harman kardon REMOTE CONTROL FUNCTIONS 7 Pause Button Press this button once to momentarily stop a disc When the button is pressed again the disc will resume play at the point it was stopped Random Button Press this button to have all of the tracks played in a random order See page 10 for more information Time Button Press this button to select the time display In normal operation the display will show the running time of a track being played Press the button once to check the time remaining for the track in play Press the button a third time to view the total play time remain ing for the disc in play See page 11 Check Button Press this button to check the order of tracks programmed into the HD 755 s memory See page 13 for complete information on programming the HD 755 Open Close Press this button to open or close the disc drawer The drawer may also be closed by pressing the Play button EJ or by gently pressing the edge of the drawer However we do not recommend pushing the drawer as damage to the transport mechanism may result Display Button Press this button once to dim the front panel display to half brightness Press it again to turn the di
30. utton B gt plays the disc forward in high speed while the Reverse Search button lt lt plays the disc backwards in high speed Holding the buttons pressed will tripple the search speed after 3 seconds When the desired part of the disc is heard release the Search button to resume normal play speed 12 OPERATION Clearing Programs To clear a single track from the program list press the Program button EJ until the track to be deleted from the program sequence appears in the Information Display gj When the track number appears press the Clear once the track selected will be deleted and the track number will be replaced by the next programmed one Now you can delete that track too with the Clear button or press the Stop button Ej and again the Program EJ button to select lower track numbers to be deleted When the unit is stopped and the program step indication P O Lis not lit otherwise press Stop once but the PROGRAM indicator is still lit otherwise press Program EJ you may clear the entire contents of a program by pressing the Clear button Important Note When you ve pressed the Program button EJ once or several times and the track number on the left starts blinking the appropriate program step number e g P 08 shown at the right display side is not programmed yet Do not continue to press the Program button now otherwise the track selected will be memorized too If you re in doubt press Stop
31. witch e Install fresh batteries observing polarity indications e Remove obstructions from the front panel sensor or connect a remote sensor to the Remote In jack on the rear panel e Reload disc with label side facing up e Make certain connections are secure and made to the correct e g CD input e Select CD source on receiver or preamp e Try another disc e Isolate the unit from vibration by placing it on a firm surface or move it further away from speakers e Make certain that the analog Audio Outputs of the HD 755 are connected to a line level audio input NOT to a digital audio or phono input e Turn the unit off and on again If the problem persists turn the AC power to the HD 755 off and on TROUBLESHOOTING GUIDE 15 CAUSE e No AC power e Power Switch turned off e Weak batteries e Blocked sensor e Disc upside down ePoor connections e Wrong source connected e Disc may be damaged e Surface vibrations e Incorrect input e Various Troubleshooting Guide TROUBLE SHOOTING GUIDE SYMPTOM No lights on Front Panel Remote does not appear to operate Front panel lights but CD does not play Play indicator lights but no sound is heard Sound skips or stutters during play Sound is continually distorted ERROR lights up continuously in the display Technical Specifications Signal Format Sampling Frequency 4 HDCD Processing Burr Brown 2 D A Conversion Multi Level Delta
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