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TROUBLESHOOTING GUIDE  

15

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

CAUSE

• No AC power

• Power Switch turned off
• Weak batteries
• Blocked sensor

• Disc upside down

•Poor connections

• Wrong source connected

• Disc may be damaged
• Surface vibrations 

• Incorrect input

• Various

SOLUTION

• Make certain AC power cord is plugged into 

a live outlet.

• 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.

• Reload disc with label side facing up.

• Make certain connections are secure and made

to the correct (e.g.,

CD

) input.

• Select CD source on receiver or preamp.

• Try another disc.
• Isolate the unit from vibration by placing it on a

firm surface or move it further away from speakers.

• Make certain that the analog 

Audio Outputs

of the 

HD750 are connected to a line level audio input, NOT to a
digital audio or phono input.

• Turn the unit off and on again. If the problem persists, turn the

AC power to the HD750 off and on.

Summary of Contents for HD750

Page 1: ...easurement 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 t...

Page 2: ...HD750 CD Player OWNER S MANUAL Power for the Digital Revolution...

Page 3: ...panel controls and rear panel connections certain conventions have been used EXAMPLE bold type indicates a specific remote control or front panel button or rear panel connection jack EXAMPLE bold type...

Page 4: ...utboard Digital to Analog Converters Sophisticated Programming Features to Automatically Play Tracks in Preprogrammed or Random Order Intro Search to Automatically Scan a Brief Portion of Each Track t...

Page 5: ...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 ca...

Page 6: ...structions on programming the HD750 9 Intro Button Press this button to put the HD750 in the Intro Scan mode When you press the button the unit will play the first 10 seconds of each track on the disc...

Page 7: ...preamplifier 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...

Page 8: ...AY 7 8 9 CLEAR TRACK NO OFF ON A B POWER i h k j d l E m f g n e c a b F q Power Off Power On Numeric Controls Program Button Clear Button Repeat Button Repeat A B Button Skip Buttons Search Buttons P...

Page 9: ...ment 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 butt...

Page 10: ...ing it on the remote and sliding it back towards the top of the remote NOTE When replacing batteries always replace both at the same time When the unit will not be used for an extended period of time...

Page 11: ...Play To play a disc first turn the HD750 on using the Power Switch 1 on the front panel or the Power On button 1 on the remote control When the unit is turned off to Standby press ing any button on t...

Page 12: ...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...

Page 13: ...the disc The Skip buttons may be used when the HD750 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 4 9 must b...

Page 14: ...mber shown at the right side is not programmed yet now you can change the track number with the Skip buttons 7 7 or the Numeric buttons 2 as described above and add it to the program list by pressing...

Page 15: ...of tracks To program the unit for A B play first locate the point on the disc where you wish to begin the repeated section At that point press the Repeat A B button 6 The REPEAT indicators will light...

Page 16: ...tain AC power cord is plugged into a live outlet Turn on Power Switch Install fresh batteries observing polarity indications Remove obstructions from the front panel sensor or connect a remote sensor...

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