HD 755 CD Player OWNER’S MANUAL HD 755 Power for the Digital Revolution®
Table of Contents 2 3 4 4 5 6 7 9 10 10 10 11 11 11 11 12 12 12 13 13 13 13 14 15 16 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 Programmed Play Operation Programmed Play Checking Program Contents Clearing Programs Repeat Play Troubleshooting Guide Technical Specifications De
Introduction Thank you for choosing Harman Kardon HD 755 CD player. The HD 755 is an exceptionally well-engineered product that offers high performance and ease of use. We ask that you take a few minutes to read through this Owner’s Manual to familiarize yourself with the controls and functions. This brief investment of time will yield dividends in the form of years of listening pleasure.
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.
Front-Panel Controls ^3 1 2 1 2 3 4 5 6 % 9 ! ) 8 $ # @ Power Switch Status Mode Indicator Remote Sensor Window Play/Pause Button Stop Search Buttons 1 Power Switch: Press this switch to apply power to the HD 755. Then the Status Mode Indicator light 2 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 1.
Rear-Panel Connections £ ™ ¢ ¡ ∞ ¡ Digital Output ™ Audio Outputs £ Remote Control Input ¢ Remote Control Output ∞ AC Power Cord ¡ Digital Output: Connect this jack to the coaxial digital input of an external digital-toanalog 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. £ Remote Control Input: Connect the output of a remote infrared sensor or the remote control output of another compatible Harman Kardon product.
Remote Control Functions POWER DISPLAY q F + OFF ON + + + b a TRACK NO.
Remote Control Functions 0 Power Off: Press this button to put the unit in the Standby mode. 1 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 2 should glow orange (See page 11 for more information). The unit will also turn on when any other button on the front panel or emote control is pressed. 2 Numeric Controls: Press these buttons to select a specific track on a disc.
Installation 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.
Operation Loading and Unloading Discs To load a disc, first turn the unit on (if not so already) by pressing the Power Switch 1 on the front panel or the Power On button 1 on the remote, then press the Open/Close button $ F taking care to make certain that the space in front of the drawer is not obstructed.
Operation While the disc is playing, the track being played will show as a number in the middle of the display 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 at the start of each new track. To momentarily pause the play of a disc, press the Pause button 4 B. Note that a Pause indication ± will appear in the display to remind you that the disc is paused.
Operation Search Skip Intro Search If you wish to quickly scan through a disc to locate a particular passage or program, press the Search buttons 6 8. The Forward Search button — plays the disc forward in high speed, while the Reverse Search button ‚ 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.
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 8 3.
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 !5 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 4 9.
Troubleshooting Guide TROUBLE SHOOTING GUIDE SYMPTOM CAUSE SOLUTION No lights on Front Panel • No AC power • Make certain AC power cord is plugged into a live outlet. Remote does not appear to operate • Power Switch turned off • Weak batteries • Blocked sensor • Turn on Power Switch. • Install fresh batteries, observing polarity indications. • Remove obstructions from the front panel sensor or connect a remote sensor to the Remote In jack on the rear panel.
Technical Specifications Signal Format Sampling Frequency HDCD Processing D/A Conversion Oversampling 44.1kHz Burr Brown PCM1732 Multi-Level Delta-Sigma 8 Times (Digital Filter) Discrete Analog Output Section Error Correction Frequency Response Total Harmonic Distortion (THD) Dynamic Range Signal-to-Noise Ratio Channel Separation Line-Output Level CIRC System 20 Hz – 20 kHz +0/-1dB <0.006% @1kHz 96 dB 98 dBA 90 dB 1.0 V, 2.
